refa Rename graphical engine to BluCat

97 files changed, 737 insertions, 737 deletions

diff --git a/src/binary_reader.hpp b/src/binary_reader.hpp
index 5dbff54..e09c13a 100644
--- a/src/binary_reader.hpp
+++ b/src/binary_reader.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -17,7 +17,7 @@
 #include <cstdint>
 #include <string>
 
-#include "vk/core.hpp"
+#include "blucat/core.hpp"
 
 class BinaryReader
 {
diff --git a/src/vk/animation.cpp b/src/blucat/animation.cpp
index fec038e..b4daeef 100644
--- a/src/vk/animation.cpp
+++ b/src/blucat/animation.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,7 +16,7 @@
 
 #include "animation.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 Bone::Bone(glm::mat4 offset_matrix):
diff --git a/src/vk/animation.hpp b/src/blucat/animation.hpp
index 46dd5bc..c789c5e 100644
--- a/src/vk/animation.hpp
+++ b/src/blucat/animation.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,15 +14,15 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_ANIMATION_H
-#define CANDY_GEAR_VK_ANIMATION_H 1
+#ifndef CANDY_GEAR_BLUCAT_ANIMATION_H
+#define CANDY_GEAR_BLUCAT_ANIMATION_H 1
 
 #include <vector>
 
 #include "core.hpp"
 #include "animation/frame.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 struct Bone
@@ -48,4 +48,4 @@ struct Animation
 
 }
 
-#endif /* CANDY_GEAR_VK_ANIMATION_H */
+#endif /* CANDY_GEAR_BLUCAT_ANIMATION_H */
diff --git a/src/vk/animation/frame.hpp b/src/blucat/animation/frame.hpp
index 953a6a6..a1d5f39 100644
--- a/src/vk/animation/frame.hpp
+++ b/src/blucat/animation/frame.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,14 +14,14 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_FRAME_H
-#define CANDY_GEAR_VK_FRAME_H 1
+#ifndef CANDY_GEAR_BLUCAT_FRAME_H
+#define CANDY_GEAR_BLUCAT_FRAME_H 1
 
 #include <vector>
 
 #include "../core.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 template<typename T>
@@ -82,4 +82,4 @@ struct Channel
 };
 
 }
-#endif /* CANDY_GEAR_VK_FRAME_H */
+#endif /* CANDY_GEAR_BLUCAT_FRAME_H */
diff --git a/src/vk/base_buffer.cpp b/src/blucat/base_buffer.cpp
index 0846b20..762c89a 100644
--- a/src/vk/base_buffer.cpp
+++ b/src/blucat/base_buffer.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,7 +16,7 @@
 
 #include "base_buffer.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 const CommandChain BaseBuffer::loader{
diff --git a/src/vk/base_buffer.hpp b/src/blucat/base_buffer.hpp
index 0f3e513..03b838c 100644
--- a/src/vk/base_buffer.hpp
+++ b/src/blucat/base_buffer.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,14 +14,14 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_BASE_BUFFER_H
-#define CANDY_GEAR_VK_BASE_BUFFER_H 1
+#ifndef CANDY_GEAR_BLUCAT_BASE_BUFFER_H
+#define CANDY_GEAR_BLUCAT_BASE_BUFFER_H 1
 
 #include "../command.hpp"
 #include "core.hpp"
 #include "device.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 class BaseBuffer
@@ -53,4 +53,4 @@ class BaseBuffer
 
 }
 
-#endif /* CANDY_GEAR_VK_BASE_BUFFER_H */
+#endif /* CANDY_GEAR_BLUCAT_BASE_BUFFER_H */
diff --git a/src/vk/character.cpp b/src/blucat/character.cpp
index e5eb87f..c13ffef 100644
--- a/src/vk/character.cpp
+++ b/src/blucat/character.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -27,16 +27,16 @@ namespace
 
 struct CharacterBuilder
 {
-  VK::Character *character;
+  BluCat::Character *character;
   FT_Face face;
   uint32_t character_code;
 
   CharacterBuilder(
-    VK::Character *character, FT_Face face, uint32_t character_code);
+    BluCat::Character *character, FT_Face face, uint32_t character_code);
 };
 
 CharacterBuilder::CharacterBuilder(
-  VK::Character *character, FT_Face face, uint32_t character_code):
+  BluCat::Character *character, FT_Face face, uint32_t character_code):
   character{character},
   face{face},
   character_code{character_code}
@@ -104,7 +104,7 @@ load_image(void *obj)
     }
   }
 
-  VK::SourceBuffer source_image_buffer{
+  BluCat::SourceBuffer source_image_buffer{
     cg_core.vk_device_with_swapchain, source_image_raw.data(),
     image_size};
 
@@ -116,7 +116,7 @@ load_image(void *obj)
       vk_extent3d.height = self->face->glyph->bitmap.rows;
       vk_extent3d.depth = 1;
 
-      VK::Image::create(
+      BluCat::Image::create(
         cg_core.vk_device_with_swapchain,
 	&self->character->image,
 	&self->character->device_memory,
@@ -126,7 +126,7 @@ load_image(void *obj)
 	VK_IMAGE_TILING_OPTIMAL,
 	VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT);
     }
-    catch(VK::Image::Error error)
+    catch(BluCat::Image::Error error)
     {
       throw CommandError{error.what()};
     }
@@ -136,11 +136,11 @@ load_image(void *obj)
     auto queue_family{cg_core.vk_device_with_swapchain->
       get_queue_family_with_presentation()};
     auto queue{queue_family->get_queue()};
-    VK::CommandPool command_pool{queue_family, 1};
+    BluCat::CommandPool command_pool{queue_family, 1};
     VkCommandBuffer vk_command_buffer{command_pool.command_buffers[0]};
 
     queue.submit_one_time_command(vk_command_buffer, [&](){
-      VK::Image::move_image_state(
+      BluCat::Image::move_image_state(
         vk_command_buffer, self->character->image, VK_FORMAT_R8G8B8A8_UNORM,
         0, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_UNDEFINED,
         VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, VK_PIPELINE_STAGE_HOST_BIT,
@@ -162,7 +162,7 @@ load_image(void *obj)
         vk_command_buffer, source_image_buffer.buffer, self->character->image,
         VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &image_copy);
 
-      VK::Image::move_image_state(
+      BluCat::Image::move_image_state(
         vk_command_buffer, self->character->image, VK_FORMAT_R8G8B8A8_UNORM,
         VK_ACCESS_TRANSFER_WRITE_BIT, VK_ACCESS_SHADER_READ_BIT,
         VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
@@ -191,7 +191,7 @@ const CommandChain loader{
 
 }
 
-namespace VK
+namespace BluCat
 {
 
 Character::Character(FT_Face face, uint32_t character_code)
diff --git a/src/vk/character.hpp b/src/blucat/character.hpp
index 82ada49..43cc765 100644
--- a/src/vk/character.hpp
+++ b/src/blucat/character.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_CHARACTER_H
-#define CANDY_GEAR_VK_CHARACTER_H 1
+#ifndef CANDY_GEAR_BLUCAT_CHARACTER_H
+#define CANDY_GEAR_BLUCAT_CHARACTER_H 1
 
 #include <ft2build.h>
 #include FT_FREETYPE_H
@@ -24,7 +24,7 @@
 
 #include <vector>
 
-namespace VK
+namespace BluCat
 {
 
 struct Character
@@ -46,4 +46,4 @@ struct Character
 
 }
 
-#endif /* CANDY_GEAR_VK_CHARACTER_H */
+#endif /* CANDY_GEAR_BLUCAT_CHARACTER_H */
diff --git a/src/vk/command_pool.cpp b/src/blucat/command_pool.cpp
index 3af62c1..898d7ae 100644
--- a/src/vk/command_pool.cpp
+++ b/src/blucat/command_pool.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,7 +16,7 @@
 
 #include "command_pool.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 const CommandChain CommandPool::loader{
diff --git a/src/vk/command_pool.hpp b/src/blucat/command_pool.hpp
index 68ab7a6..aa23387 100644
--- a/src/vk/command_pool.hpp
+++ b/src/blucat/command_pool.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_COMMAND_POOL_H
-#define CANDY_GEAR_VK_COMMAND_POOL_H 1
+#ifndef CANDY_GEAR_BLUCAT_COMMAND_POOL_H
+#define CANDY_GEAR_BLUCAT_COMMAND_POOL_H 1
 
 #include <vector>
 
@@ -23,7 +23,7 @@
 #include "core.hpp"
 #include "device.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 class CommandPool
@@ -56,4 +56,4 @@ private:
 
 }
 
-#endif /* CANDY_GEAR_VK_COMMAND_POOL_H */
+#endif /* CANDY_GEAR_BLUCAT_COMMAND_POOL_H */
diff --git a/src/vk/core.hpp b/src/blucat/core.hpp
index 736b8bb..169e3bc 100644
--- a/src/vk/core.hpp
+++ b/src/blucat/core.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_CORE_H
-#define CANDY_GEAR_VK_CORE_H 1
+#ifndef CANDY_GEAR_BLUCAT_CORE_H
+#define CANDY_GEAR_BLUCAT_CORE_H 1
 
 // GLM uses some definitions to control their behavior, so you should not
 // include it directly. Instead, use this header.
@@ -31,4 +31,4 @@
 
 #include <vulkan/vulkan.h>
 
-#endif /* CANDY_GEAR_VK_CORE_H */
+#endif /* CANDY_GEAR_BLUCAT_CORE_H */
diff --git a/src/vk/descriptor_set_layout.cpp b/src/blucat/descriptor_set_layout.cpp
index 8a2f4ef..0fc5208 100644
--- a/src/vk/descriptor_set_layout.cpp
+++ b/src/blucat/descriptor_set_layout.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -26,7 +26,7 @@ namespace
 void
 load_world(void *obj)
 {
-  auto self = static_cast<VK::DescriptorSetLayout*>(obj);
+  auto self = static_cast<BluCat::DescriptorSetLayout*>(obj);
 
   std::array<VkDescriptorSetLayoutBinding, 2> set_layouts{};
   set_layouts[0].binding = 0;
@@ -58,7 +58,7 @@ load_world(void *obj)
 void
 unload_world(void *obj)
 {
-  auto self = static_cast<VK::DescriptorSetLayout*>(obj);
+  auto self = static_cast<BluCat::DescriptorSetLayout*>(obj);
 
   vkDestroyDescriptorSetLayout(
     cg_core.vk_device_with_swapchain->device, self->world, nullptr);
@@ -67,7 +67,7 @@ unload_world(void *obj)
 void
 load_view(void *obj)
 {
-  auto self = static_cast<VK::DescriptorSetLayout*>(obj);
+  auto self = static_cast<BluCat::DescriptorSetLayout*>(obj);
 
   std::array<VkDescriptorSetLayoutBinding, 1> layout_bindings{};
 
@@ -94,7 +94,7 @@ load_view(void *obj)
 void
 unload_view(void *obj)
 {
-  auto self = static_cast<VK::DescriptorSetLayout*>(obj);
+  auto self = static_cast<BluCat::DescriptorSetLayout*>(obj);
 
   vkDestroyDescriptorSetLayout(
     cg_core.vk_device_with_swapchain->device, self->view, nullptr);
@@ -103,7 +103,7 @@ unload_view(void *obj)
 void
 load_texture(void *obj)
 {
-  auto self = static_cast<VK::DescriptorSetLayout*>(obj);
+  auto self = static_cast<BluCat::DescriptorSetLayout*>(obj);
 
   std::array<VkDescriptorSetLayoutBinding, 1> layout_bindings{};
 
@@ -131,7 +131,7 @@ load_texture(void *obj)
 void
 unload_texture(void *obj)
 {
-  auto self = static_cast<VK::DescriptorSetLayout*>(obj);
+  auto self = static_cast<BluCat::DescriptorSetLayout*>(obj);
 
   vkDestroyDescriptorSetLayout(
     cg_core.vk_device_with_swapchain->device, self->texture, nullptr);
@@ -140,7 +140,7 @@ unload_texture(void *obj)
 void
 load_model(void *obj)
 {
-  auto self = static_cast<VK::DescriptorSetLayout*>(obj);
+  auto self = static_cast<BluCat::DescriptorSetLayout*>(obj);
 
   std::array<VkDescriptorSetLayoutBinding, 1> layout_bindings;
   layout_bindings[0].binding = 0;
@@ -166,7 +166,7 @@ load_model(void *obj)
 void
 unload_model(void *obj)
 {
-  auto self = static_cast<VK::DescriptorSetLayout*>(obj);
+  auto self = static_cast<BluCat::DescriptorSetLayout*>(obj);
 
   vkDestroyDescriptorSetLayout(
     cg_core.vk_device_with_swapchain->device, self->model, nullptr);
@@ -181,7 +181,7 @@ const CommandChain loader{
 
 }
 
-namespace VK
+namespace BluCat
 {
 
 DescriptorSetLayout::DescriptorSetLayout()
diff --git a/src/vk/descriptor_set_layout.hpp b/src/blucat/descriptor_set_layout.hpp
index 242d2fa..144a137 100644
--- a/src/vk/descriptor_set_layout.hpp
+++ b/src/blucat/descriptor_set_layout.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,12 +14,12 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_DESCRIPTOR_SET_LAYOUT_H
-#define CANDY_GEAR_VK_DESCRIPTOR_SET_LAYOUT_H 1
+#ifndef CANDY_GEAR_BLUCAT_DESCRIPTOR_SET_LAYOUT_H
+#define CANDY_GEAR_BLUCAT_DESCRIPTOR_SET_LAYOUT_H 1
 
 #include "core.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 struct DescriptorSetLayout
@@ -35,4 +35,4 @@ struct DescriptorSetLayout
 
 }
 
-#endif /* CANDY_GEAR_VK_DESCRIPTOR_SET_LAYOUT_H */
+#endif /* CANDY_GEAR_BLUCAT_DESCRIPTOR_SET_LAYOUT_H */
diff --git a/src/vk/destination_buffer.cpp b/src/blucat/destination_buffer.cpp
index 5c55fd2..ea5f31e 100644
--- a/src/vk/destination_buffer.cpp
+++ b/src/blucat/destination_buffer.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,7 +18,7 @@
 
 #include "command_pool.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 DestinationBuffer::DestinationBuffer(
diff --git a/src/vk/destination_buffer.hpp b/src/blucat/destination_buffer.hpp
index 9b42af3..8c098ab 100644
--- a/src/vk/destination_buffer.hpp
+++ b/src/blucat/destination_buffer.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,15 +14,15 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_DESTINATION_BUFFER_H
-#define CANDY_GEAR_VK_DESTINATION_BUFFER_H 1
+#ifndef CANDY_GEAR_BLUCAT_DESTINATION_BUFFER_H
+#define CANDY_GEAR_BLUCAT_DESTINATION_BUFFER_H 1
 
 #include "base_buffer.hpp"
 #include "core.hpp"
 #include "source_buffer.hpp"
 #include "queue_family.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 struct DestinationBuffer: public BaseBuffer
@@ -51,4 +51,4 @@ struct DestinationBuffer: public BaseBuffer
 
 }
 
-#endif /* CANDY_GEAR_VK_DESTINATION_BUFFER_H */
+#endif /* CANDY_GEAR_BLUCAT_DESTINATION_BUFFER_H */
diff --git a/src/vk/device.cpp b/src/blucat/device.cpp
index 78baa53..cf21fa4 100644
--- a/src/vk/device.cpp
+++ b/src/blucat/device.cpp
@@ -61,7 +61,7 @@ create_shader_module(VkDevice vk_device, const char *filename)
 }
 }
 
-namespace VK
+namespace BluCat
 {
 
 Device::Device(VkPhysicalDevice vk_physical_device, bool with_swapchain)
diff --git a/src/vk/device.hpp b/src/blucat/device.hpp
index e52a143..bcfca4d 100644
--- a/src/vk/device.hpp
+++ b/src/blucat/device.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_DEVICE_H
-#define CANDY_GEAR_VK_DEVICE_H 1
+#ifndef CANDY_GEAR_BLUCAT_DEVICE_H
+#define CANDY_GEAR_BLUCAT_DEVICE_H 1
 
 #include <cstdlib>
 #include <vector>
@@ -23,7 +23,7 @@
 #include "core.hpp"
 #include "queue_family.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 struct Device
@@ -66,4 +66,4 @@ public:
 
 }
 
-#endif /* CANDY_GEAR_VK_DEVICE_H */
+#endif /* CANDY_GEAR_BLUCAT_DEVICE_H */
diff --git a/src/vk/font.cpp b/src/blucat/font.cpp
index cb01a51..4195b57 100644
--- a/src/vk/font.cpp
+++ b/src/blucat/font.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,7 +18,7 @@
 
 #include "../core.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 Font::Font(const char* font_path, int font_size)
diff --git a/src/vk/font.hpp b/src/blucat/font.hpp
index b654183..1b9be69 100644
--- a/src/vk/font.hpp
+++ b/src/blucat/font.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,15 +14,15 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_FONT_H
-#define CANDY_GEAR_VK_FONT_H 1
+#ifndef CANDY_GEAR_BLUCAT_FONT_H
+#define CANDY_GEAR_BLUCAT_FONT_H 1
 
 #include <memory>
 #include <unordered_map>
 
 #include "character.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 struct Font
@@ -39,4 +39,4 @@ struct Font
 
 }
 
-#endif /* CANDY_GEAR_VK_FONT_H */
+#endif /* CANDY_GEAR_BLUCAT_FONT_H */
diff --git a/src/vk/framebuffer.cpp b/src/blucat/framebuffer.cpp
index 4104554..e761ff2 100644
--- a/src/vk/framebuffer.cpp
+++ b/src/blucat/framebuffer.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -24,7 +24,7 @@ namespace
 void
 load_depth_image(void *obj)
 {
-  auto self = static_cast<VK::Framebuffer*>(obj);
+  auto self = static_cast<BluCat::Framebuffer*>(obj);
 
   VkExtent3D extent3d{};
   extent3d.width = cg_core.display_width;
@@ -33,7 +33,7 @@ load_depth_image(void *obj)
 
   try
   {
-    VK::Image::create(
+    BluCat::Image::create(
       cg_core.vk_device_with_swapchain,
       &self->depth_image,
       &self->depth_image_memory,
@@ -44,7 +44,7 @@ load_depth_image(void *obj)
       VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT
       );
   }
-  catch(VK::Image::Error error)
+  catch(BluCat::Image::Error error)
   {
     std::string error_message{"Failed to create depth image → "};
     error_message += error.what();
@@ -55,7 +55,7 @@ load_depth_image(void *obj)
 void
 unload_depth_image(void *obj)
 {
-  auto self = static_cast<VK::Framebuffer*>(obj);
+  auto self = static_cast<BluCat::Framebuffer*>(obj);
 
   vkDestroyImage(
     cg_core.vk_device_with_swapchain->device, self->depth_image,
@@ -68,16 +68,16 @@ unload_depth_image(void *obj)
 void
 load_depth_image_view(void *obj)
 {
-  auto self = static_cast<VK::Framebuffer*>(obj);
+  auto self = static_cast<BluCat::Framebuffer*>(obj);
 
   try
   {
-    VK::Image::create_view(
+    BluCat::Image::create_view(
       cg_core.vk_device_with_swapchain, &self->depth_image_view,
       self->depth_image,
       VK_FORMAT_D32_SFLOAT, VK_IMAGE_ASPECT_DEPTH_BIT);
   }
-  catch(VK::Image::Error error)
+  catch(BluCat::Image::Error error)
   {
     std::string error_message{"Failed to create depth image view → "};
     error_message += error.what();
@@ -88,7 +88,7 @@ load_depth_image_view(void *obj)
 void
 unload_depth_image_view(void *obj)
 {
-  auto self = static_cast<VK::Framebuffer*>(obj);
+  auto self = static_cast<BluCat::Framebuffer*>(obj);
 
   vkDestroyImageView(
     cg_core.vk_device_with_swapchain->device, self->depth_image_view, nullptr);
@@ -97,7 +97,7 @@ unload_depth_image_view(void *obj)
 void
 load_3d(void *obj)
 {
-  auto self = static_cast<VK::Framebuffer*>(obj);
+  auto self = static_cast<BluCat::Framebuffer*>(obj);
 
   self->pipeline_3d.resize(cg_core.vk_swapchain->images_count);
   for (auto i{0}; i < cg_core.vk_swapchain->images_count; i++)
@@ -127,7 +127,7 @@ load_3d(void *obj)
 void
 unload_3d(void *obj)
 {
-  auto self = static_cast<VK::Framebuffer*>(obj);
+  auto self = static_cast<BluCat::Framebuffer*>(obj);
 
   for(auto framebuffer: self->pipeline_3d)
     vkDestroyFramebuffer(
@@ -137,7 +137,7 @@ unload_3d(void *obj)
 void
 load_2d(void *obj)
 {
-  auto self = static_cast<VK::Framebuffer*>(obj);
+  auto self = static_cast<BluCat::Framebuffer*>(obj);
 
   self->pipeline_2d.resize(cg_core.vk_swapchain->images_count);
   for (auto i{0}; i < cg_core.vk_swapchain->images_count; i++)
@@ -166,7 +166,7 @@ load_2d(void *obj)
 void
 unload_2d(void *obj)
 {
-  auto self = static_cast<VK::Framebuffer*>(obj);
+  auto self = static_cast<BluCat::Framebuffer*>(obj);
 
   for(auto framebuffer: self->pipeline_2d)
     vkDestroyFramebuffer(
@@ -182,7 +182,7 @@ const CommandChain loader{
 
 }
 
-namespace VK
+namespace BluCat
 {
 
 Framebuffer::Framebuffer()
diff --git a/src/vk/framebuffer.hpp b/src/blucat/framebuffer.hpp
index 2867fa1..32968a6 100644
--- a/src/vk/framebuffer.hpp
+++ b/src/blucat/framebuffer.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,14 +14,14 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_FRAMEBUFFER_H
-#define CANDY_GEAR_VK_FRAMEBUFFER_H 1
+#ifndef CANDY_GEAR_BLUCAT_FRAMEBUFFER_H
+#define CANDY_GEAR_BLUCAT_FRAMEBUFFER_H 1
 
 #include <vector>
 
 #include "core.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 struct Framebuffer
@@ -40,4 +40,4 @@ struct Framebuffer
 
 }
 
-#endif /* CANDY_GEAR_VK_FRAMEBUFFER_H */
+#endif /* CANDY_GEAR_BLUCAT_FRAMEBUFFER_H */
diff --git a/src/vk/graphics_pipeline_2d_solid.cpp b/src/blucat/graphics_pipeline_2d_solid.cpp
index f914594..28b19b6 100644
--- a/src/vk/graphics_pipeline_2d_solid.cpp
+++ b/src/blucat/graphics_pipeline_2d_solid.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -28,7 +28,7 @@ namespace
 void
 load_pipeline(void *obj)
 {
-  auto self = static_cast<VK::GraphicsPipeline2DSolid*>(obj);
+  auto self = static_cast<BluCat::GraphicsPipeline2DSolid*>(obj);
 
   VkPipelineShaderStageCreateInfo vert_shader_stage_info{};
   vert_shader_stage_info.sType =
@@ -207,7 +207,7 @@ load_pipeline(void *obj)
 void
 unload_pipeline(void *obj)
 {
-  auto self = static_cast<VK::GraphicsPipeline2DSolid*>(obj);
+  auto self = static_cast<BluCat::GraphicsPipeline2DSolid*>(obj);
 
   vkDestroyPipeline(
     cg_core.vk_device_with_swapchain->device, self->graphic_pipeline, nullptr);
@@ -219,7 +219,7 @@ const CommandChain loader{
 
 }
 
-namespace VK
+namespace BluCat
 {
 
 GraphicsPipeline2DSolid::GraphicsPipeline2DSolid()
diff --git a/src/vk/graphics_pipeline_2d_solid.hpp b/src/blucat/graphics_pipeline_2d_solid.hpp
index eac825f..eae54ae 100644
--- a/src/vk/graphics_pipeline_2d_solid.hpp
+++ b/src/blucat/graphics_pipeline_2d_solid.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_GRAPHICS_PIPELINE_2D_SOLID_H
-#define CANDY_GEAR_VK_GRAPHICS_PIPELINE_2D_SOLID_H 1
+#ifndef CANDY_GEAR_BLUCAT_GRAPHICS_PIPELINE_2D_SOLID_H
+#define CANDY_GEAR_BLUCAT_GRAPHICS_PIPELINE_2D_SOLID_H 1
 
 #include <memory>
 
@@ -23,7 +23,7 @@
 #include "command_pool.hpp"
 #include "view_2d.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 struct GraphicsPipeline2DSolid
@@ -41,4 +41,4 @@ struct GraphicsPipeline2DSolid
 
 }
 
-#endif /* CANDY_GEAR_VK_GRAPHICS_PIPELINE_2D_SOLID_H */
+#endif /* CANDY_GEAR_BLUCAT_GRAPHICS_PIPELINE_2D_SOLID_H */
diff --git a/src/vk/graphics_pipeline_2d_solid_layout.cpp b/src/blucat/graphics_pipeline_2d_solid_layout.cpp
index 11d080b..7b537a2 100644
--- a/src/vk/graphics_pipeline_2d_solid_layout.cpp
+++ b/src/blucat/graphics_pipeline_2d_solid_layout.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -27,7 +27,7 @@ namespace
 void
 load_pipeline(void *obj)
 {
-  auto self = static_cast<VK::GraphicsPipeline2DSolidLayout*>(obj);
+  auto self = static_cast<BluCat::GraphicsPipeline2DSolidLayout*>(obj);
 
   std::array<VkDescriptorSetLayout, 2> set_layouts{
     cg_core.vk_descriptor_set_layout->view,
@@ -37,7 +37,7 @@ load_pipeline(void *obj)
   std::array<VkPushConstantRange, 1> push_constants;
   push_constants[0].stageFlags = VK_SHADER_STAGE_VERTEX_BIT;
   push_constants[0].offset = 0;
-  push_constants[0].size = sizeof(VK::UDOVector4D);
+  push_constants[0].size = sizeof(BluCat::UDOVector4D);
 
   VkPipelineLayoutCreateInfo pipeline_layout_info{};
   pipeline_layout_info.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
@@ -55,7 +55,7 @@ load_pipeline(void *obj)
 void
 unload_pipeline(void *obj)
 {
-  auto self = static_cast<VK::GraphicsPipeline2DSolidLayout*>(obj);
+  auto self = static_cast<BluCat::GraphicsPipeline2DSolidLayout*>(obj);
 
   vkDestroyPipelineLayout(
     cg_core.vk_device_with_swapchain->device, self->pipeline, nullptr);
@@ -67,7 +67,7 @@ const CommandChain loader{
 
 }
 
-namespace VK
+namespace BluCat
 {
 
 GraphicsPipeline2DSolidLayout::GraphicsPipeline2DSolidLayout()
diff --git a/src/vk/graphics_pipeline_2d_solid_layout.hpp b/src/blucat/graphics_pipeline_2d_solid_layout.hpp
index 0bb9de8..77172be 100644
--- a/src/vk/graphics_pipeline_2d_solid_layout.hpp
+++ b/src/blucat/graphics_pipeline_2d_solid_layout.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,12 +14,12 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_GRAPHICS_PIPELINE_2D_LAYOUT_H
-#define CANDY_GEAR_VK_GRAPHICS_PIPELINE_2D_LAYOUT_H 1
+#ifndef CANDY_GEAR_BLUCAT_GRAPHICS_PIPELINE_2D_LAYOUT_H
+#define CANDY_GEAR_BLUCAT_GRAPHICS_PIPELINE_2D_LAYOUT_H 1
 
 #include "core.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 struct GraphicsPipeline2DSolidLayout
@@ -32,4 +32,4 @@ struct GraphicsPipeline2DSolidLayout
 
 }
 
-#endif /* CANDY_GEAR_VK_GRAPHICS_PIPELINE_2D_LAYOUT_H */
+#endif /* CANDY_GEAR_BLUCAT_GRAPHICS_PIPELINE_2D_LAYOUT_H */
diff --git a/src/vk/graphics_pipeline_2d_wired.cpp b/src/blucat/graphics_pipeline_2d_wired.cpp
index ef43cd1..192a9d6 100644
--- a/src/vk/graphics_pipeline_2d_wired.cpp
+++ b/src/blucat/graphics_pipeline_2d_wired.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -29,7 +29,7 @@ namespace
 void
 load_indexes(void *obj)
 {
-  auto self = static_cast<VK::GraphicsPipeline2DWired*>(obj);
+  auto self = static_cast<BluCat::GraphicsPipeline2DWired*>(obj);
 
   self->queue_family =
     cg_core.vk_device_with_swapchain->get_queue_family_with_graphics();
@@ -37,9 +37,9 @@ load_indexes(void *obj)
   std::array<uint32_t, 4> indexes{0, 1, 2, 3};
   void *indexes_data{indexes.data()};
   size_t indexes_size{sizeof(indexes[0]) * indexes.size()};
-  VK::SourceBuffer source_index_buffer{
+  BluCat::SourceBuffer source_index_buffer{
     self->queue_family->device, indexes_data, indexes_size};
-  self->index_buffer = new VK::DestinationBuffer{
+  self->index_buffer = new BluCat::DestinationBuffer{
     self->queue_family, &source_index_buffer,
     VK_BUFFER_USAGE_INDEX_BUFFER_BIT};
 }
@@ -47,7 +47,7 @@ load_indexes(void *obj)
 void
 unload_indexes(void *obj)
 {
-  auto self = static_cast<VK::GraphicsPipeline2DWired*>(obj);
+  auto self = static_cast<BluCat::GraphicsPipeline2DWired*>(obj);
 
   delete self->index_buffer;
 }
@@ -55,7 +55,7 @@ unload_indexes(void *obj)
 void
 load_pipeline(void *obj)
 {
-  auto self = static_cast<VK::GraphicsPipeline2DWired*>(obj);
+  auto self = static_cast<BluCat::GraphicsPipeline2DWired*>(obj);
 
   VkPipelineShaderStageCreateInfo vert_shader_stage_info{};
   vert_shader_stage_info.sType =
@@ -218,7 +218,7 @@ load_pipeline(void *obj)
 void
 unload_pipeline(void *obj)
 {
-  auto self = static_cast<VK::GraphicsPipeline2DWired*>(obj);
+  auto self = static_cast<BluCat::GraphicsPipeline2DWired*>(obj);
 
   vkDestroyPipeline(
     cg_core.vk_device_with_swapchain->device, self->graphic_pipeline, nullptr);
@@ -231,7 +231,7 @@ const CommandChain loader{
 
 }
 
-namespace VK
+namespace BluCat
 {
 
 GraphicsPipeline2DWired::GraphicsPipeline2DWired()
diff --git a/src/vk/graphics_pipeline_2d_wired.hpp b/src/blucat/graphics_pipeline_2d_wired.hpp
index 932ed61..32d965b 100644
--- a/src/vk/graphics_pipeline_2d_wired.hpp
+++ b/src/blucat/graphics_pipeline_2d_wired.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,15 +14,15 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_GRAPHICS_PIPELINE_2D_WIRED_H
-#define CANDY_GEAR_VK_GRAPHICS_PIPELINE_2D_WIRED_H 1
+#ifndef CANDY_GEAR_BLUCAT_GRAPHICS_PIPELINE_2D_WIRED_H
+#define CANDY_GEAR_BLUCAT_GRAPHICS_PIPELINE_2D_WIRED_H 1
 
 #include <memory>
 
 #include "core.hpp"
 #include "view_2d.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 struct GraphicsPipeline2DWired
@@ -44,4 +44,4 @@ struct GraphicsPipeline2DWired
 
 }
 
-#endif /* CANDY_GEAR_VK_GRAPHICS_PIPELINE_2D_WIRED_H */
+#endif /* CANDY_GEAR_BLUCAT_GRAPHICS_PIPELINE_2D_WIRED_H */
diff --git a/src/vk/graphics_pipeline_2d_wired_layout.cpp b/src/blucat/graphics_pipeline_2d_wired_layout.cpp
index 10e2b50..eaa6af7 100644
--- a/src/vk/graphics_pipeline_2d_wired_layout.cpp
+++ b/src/blucat/graphics_pipeline_2d_wired_layout.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -28,7 +28,7 @@ namespace
 void
 load_pipeline(void *obj)
 {
-  auto self = static_cast<VK::GraphicsPipeline2DWiredLayout*>(obj);
+  auto self = static_cast<BluCat::GraphicsPipeline2DWiredLayout*>(obj);
 
   std::array<VkDescriptorSetLayout, 1> set_layouts{
     cg_core.vk_descriptor_set_layout->view
@@ -37,11 +37,11 @@ load_pipeline(void *obj)
   std::array<VkPushConstantRange, 2> push_constants;
   push_constants[0].stageFlags = VK_SHADER_STAGE_VERTEX_BIT;
   push_constants[0].offset = 0;
-  push_constants[0].size = sizeof(VK::UDOVector4D);
+  push_constants[0].size = sizeof(BluCat::UDOVector4D);
 
   push_constants[1].stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT;
-  push_constants[1].offset = sizeof(VK::UDOVector4D);
-  push_constants[1].size = sizeof(VK::UDOVector3D);
+  push_constants[1].offset = sizeof(BluCat::UDOVector4D);
+  push_constants[1].size = sizeof(BluCat::UDOVector3D);
 
   VkPipelineLayoutCreateInfo pipeline_layout_info{};
   pipeline_layout_info.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
@@ -59,7 +59,7 @@ load_pipeline(void *obj)
 void
 unload_pipeline(void *obj)
 {
-  auto self = static_cast<VK::GraphicsPipeline2DWiredLayout*>(obj);
+  auto self = static_cast<BluCat::GraphicsPipeline2DWiredLayout*>(obj);
 
   vkDestroyPipelineLayout(
     cg_core.vk_device_with_swapchain->device, self->pipeline, nullptr);
@@ -71,7 +71,7 @@ const CommandChain loader{
 
 }
 
-namespace VK
+namespace BluCat
 {
 
 GraphicsPipeline2DWiredLayout::GraphicsPipeline2DWiredLayout()
diff --git a/src/vk/graphics_pipeline_2d_wired_layout.hpp b/src/blucat/graphics_pipeline_2d_wired_layout.hpp
index 004f009..d447230 100644
--- a/src/vk/graphics_pipeline_2d_wired_layout.hpp
+++ b/src/blucat/graphics_pipeline_2d_wired_layout.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,12 +14,12 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_GRAPHICS_PIPELINE_2D_WIRED_LAYOUT_H
-#define CANDY_GEAR_VK_GRAPHICS_PIPELINE_2D_WIRED_LAYOUT_H 1
+#ifndef CANDY_GEAR_BLUCAT_GRAPHICS_PIPELINE_2D_WIRED_LAYOUT_H
+#define CANDY_GEAR_BLUCAT_GRAPHICS_PIPELINE_2D_WIRED_LAYOUT_H 1
 
 #include "core.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 struct GraphicsPipeline2DWiredLayout
@@ -32,4 +32,4 @@ struct GraphicsPipeline2DWiredLayout
 
 }
 
-#endif /* CANDY_GEAR_VK_GRAPHICS_PIPELINE_2D_LAYOUT_H */
+#endif /* CANDY_GEAR_BLUCAT_GRAPHICS_PIPELINE_2D_LAYOUT_H */
diff --git a/src/vk/graphics_pipeline_3d.cpp b/src/blucat/graphics_pipeline_3d.cpp
index 2a1fec1..c1b60a6 100644
--- a/src/vk/graphics_pipeline_3d.cpp
+++ b/src/blucat/graphics_pipeline_3d.cpp
@@ -30,7 +30,7 @@ namespace
 void
 load_pipeline(void *obj)
 {
-  auto self = static_cast<VK::GraphicsPipeline3D*>(obj);
+  auto self = static_cast<BluCat::GraphicsPipeline3D*>(obj);
 
   VkPipelineShaderStageCreateInfo vert_shader_stage_info = {};
   vert_shader_stage_info.sType =
@@ -61,7 +61,7 @@ load_pipeline(void *obj)
 
   VkVertexInputBindingDescription vertex_input_binding{};
   vertex_input_binding.binding = 0;
-  vertex_input_binding.stride = sizeof(VK::StaticMeshVertex);
+  vertex_input_binding.stride = sizeof(BluCat::StaticMeshVertex);
   vertex_input_binding.inputRate = VK_VERTEX_INPUT_RATE_VERTEX;
 
   std::array<VkVertexInputAttributeDescription, 3> vertex_attribute{};
@@ -69,17 +69,17 @@ load_pipeline(void *obj)
   vertex_attribute[0].location = 0;
   vertex_attribute[0].binding = 0;
   vertex_attribute[0].format = VK_FORMAT_R32G32B32_SFLOAT;
-  vertex_attribute[0].offset = offsetof(VK::StaticMeshVertex, position);
+  vertex_attribute[0].offset = offsetof(BluCat::StaticMeshVertex, position);
   // Normal.
   vertex_attribute[1].location = 1;
   vertex_attribute[1].binding = 0;
   vertex_attribute[1].format = VK_FORMAT_R32G32B32_SFLOAT;
-  vertex_attribute[1].offset = offsetof(VK::StaticMeshVertex, normal);
+  vertex_attribute[1].offset = offsetof(BluCat::StaticMeshVertex, normal);
   // Texture coordinate.
   vertex_attribute[2].location = 2;
   vertex_attribute[2].binding = 0;
   vertex_attribute[2].format = VK_FORMAT_R32G32_SFLOAT;
-  vertex_attribute[2].offset = offsetof(VK::StaticMeshVertex, texture_coord);
+  vertex_attribute[2].offset = offsetof(BluCat::StaticMeshVertex, texture_coord);
 
   VkPipelineVertexInputStateCreateInfo vertex_input_info = {};
   vertex_input_info.sType =
@@ -229,7 +229,7 @@ load_pipeline(void *obj)
 void
 unload_pipeline(void *obj)
 {
-  auto self = static_cast<VK::GraphicsPipeline3D*>(obj);
+  auto self = static_cast<BluCat::GraphicsPipeline3D*>(obj);
 
   vkDestroyPipeline(
     cg_core.vk_device_with_swapchain->device, self->graphic_pipeline, nullptr);
@@ -241,7 +241,7 @@ const CommandChain loader{
 
 }
 
-namespace VK
+namespace BluCat
 {
 
 GraphicsPipeline3D::GraphicsPipeline3D()
@@ -297,7 +297,7 @@ GraphicsPipeline3D::draw(
         vkCmdDrawIndexed(
           draw_command_buffer, static_mesh->index_count, 1, 0, 0, 0);
 
-	VK::UDOStaticModel udo_static_model{};
+	BluCat::UDOStaticModel udo_static_model{};
 	udo_static_model.base_matrix = translation_matrix * rotation_matrix;
 	instance->uniform_buffers[image_index].copy_data(&udo_static_model);
       }
diff --git a/src/vk/graphics_pipeline_3d.hpp b/src/blucat/graphics_pipeline_3d.hpp
index bfe034d..de0c422 100644
--- a/src/vk/graphics_pipeline_3d.hpp
+++ b/src/blucat/graphics_pipeline_3d.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_GRAPHICS_PIPELINE_3D_H
-#define CANDY_GEAR_VK_GRAPHICS_PIPELINE_3D_H 1
+#ifndef CANDY_GEAR_BLUCAT_GRAPHICS_PIPELINE_3D_H
+#define CANDY_GEAR_BLUCAT_GRAPHICS_PIPELINE_3D_H 1
 
 #include <memory>
 
@@ -23,7 +23,7 @@
 #include "command_pool.hpp"
 #include "view_3d.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 struct GraphicsPipeline3D
@@ -40,4 +40,4 @@ struct GraphicsPipeline3D
 
 }
 
-#endif /* CANDY_GEAR_VK_GRAPHICS_PIPELINE_3D_H */
+#endif /* CANDY_GEAR_BLUCAT_GRAPHICS_PIPELINE_3D_H */
diff --git a/src/vk/graphics_pipeline_3d_layout.cpp b/src/blucat/graphics_pipeline_3d_layout.cpp
index c316518..b2a54d6 100644
--- a/src/vk/graphics_pipeline_3d_layout.cpp
+++ b/src/blucat/graphics_pipeline_3d_layout.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -27,7 +27,7 @@ namespace
 void
 load_pipeline(void *obj)
 {
-  auto self = static_cast<VK::GraphicsPipeline3DLayout*>(obj);
+  auto self = static_cast<BluCat::GraphicsPipeline3DLayout*>(obj);
 
   std::array<VkDescriptorSetLayout, 4> set_layouts{
     cg_core.vk_descriptor_set_layout->world,
@@ -51,7 +51,7 @@ load_pipeline(void *obj)
 void
 unload_pipeline(void *obj)
 {
-  auto self = static_cast<VK::GraphicsPipeline3DLayout*>(obj);
+  auto self = static_cast<BluCat::GraphicsPipeline3DLayout*>(obj);
 
   vkDestroyPipelineLayout(
     cg_core.vk_device_with_swapchain->device, self->pipeline, nullptr);
@@ -63,7 +63,7 @@ const CommandChain loader{
 
 }
 
-namespace VK
+namespace BluCat
 {
 
 GraphicsPipeline3DLayout::GraphicsPipeline3DLayout()
diff --git a/src/vk/graphics_pipeline_3d_layout.hpp b/src/blucat/graphics_pipeline_3d_layout.hpp
index 4b2b9b9..2b44dac 100644
--- a/src/vk/graphics_pipeline_3d_layout.hpp
+++ b/src/blucat/graphics_pipeline_3d_layout.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,12 +14,12 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_GRAPHICS_PIPELINE_3D_LAYOUT_H
-#define CANDY_GEAR_VK_GRAPHICS_PIPELINE_3D_LAYOUT_H 1
+#ifndef CANDY_GEAR_BLUCAT_GRAPHICS_PIPELINE_3D_LAYOUT_H
+#define CANDY_GEAR_BLUCAT_GRAPHICS_PIPELINE_3D_LAYOUT_H 1
 
 #include "core.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 struct GraphicsPipeline3DLayout
@@ -32,4 +32,4 @@ struct GraphicsPipeline3DLayout
 
 }
 
-#endif /* CANDY_GEAR_VK_GRAPHICS_PIPELINE_3D_LAYOUT_H */
+#endif /* CANDY_GEAR_BLUCAT_GRAPHICS_PIPELINE_3D_LAYOUT_H */
diff --git a/src/vk/graphics_pipeline_3d_skeletal.cpp b/src/blucat/graphics_pipeline_3d_skeletal.cpp
index 6bd1713..b039c00 100644
--- a/src/vk/graphics_pipeline_3d_skeletal.cpp
+++ b/src/blucat/graphics_pipeline_3d_skeletal.cpp
@@ -30,7 +30,7 @@ namespace
 void
 load_pipeline(void *obj)
 {
-  auto self = static_cast<VK::GraphicsPipeline3DSkeletal*>(obj);
+  auto self = static_cast<BluCat::GraphicsPipeline3DSkeletal*>(obj);
 
   VkPipelineShaderStageCreateInfo vert_shader_stage_info = {};
   vert_shader_stage_info.sType =
@@ -61,7 +61,7 @@ load_pipeline(void *obj)
 
   VkVertexInputBindingDescription vertex_input_binding{};
   vertex_input_binding.binding = 0;
-  vertex_input_binding.stride = sizeof(VK::SkeletalMeshVertex);
+  vertex_input_binding.stride = sizeof(BluCat::SkeletalMeshVertex);
   vertex_input_binding.inputRate = VK_VERTEX_INPUT_RATE_VERTEX;
 
   std::array<VkVertexInputAttributeDescription, 5> vertex_attribute{};
@@ -69,27 +69,27 @@ load_pipeline(void *obj)
   vertex_attribute[0].location = 0;
   vertex_attribute[0].binding = 0;
   vertex_attribute[0].format = VK_FORMAT_R32G32B32_SFLOAT;
-  vertex_attribute[0].offset = offsetof(VK::SkeletalMeshVertex, position);
+  vertex_attribute[0].offset = offsetof(BluCat::SkeletalMeshVertex, position);
   // Normal.
   vertex_attribute[1].location = 1;
   vertex_attribute[1].binding = 0;
   vertex_attribute[1].format = VK_FORMAT_R32G32B32_SFLOAT;
-  vertex_attribute[1].offset = offsetof(VK::SkeletalMeshVertex, normal);
+  vertex_attribute[1].offset = offsetof(BluCat::SkeletalMeshVertex, normal);
   // Texture coordinate.
   vertex_attribute[2].location = 2;
   vertex_attribute[2].binding = 0;
   vertex_attribute[2].format = VK_FORMAT_R32G32_SFLOAT;
-  vertex_attribute[2].offset = offsetof(VK::SkeletalMeshVertex, texture_coord);
+  vertex_attribute[2].offset = offsetof(BluCat::SkeletalMeshVertex, texture_coord);
   // Bones ids.
   vertex_attribute[3].location = 3;
   vertex_attribute[3].binding = 0;
   vertex_attribute[3].format = VK_FORMAT_R32G32B32A32_SINT;
-  vertex_attribute[3].offset = offsetof(VK::SkeletalMeshVertex, bone_ids);
+  vertex_attribute[3].offset = offsetof(BluCat::SkeletalMeshVertex, bone_ids);
   // Bones weights.
   vertex_attribute[4].location = 4;
   vertex_attribute[4].binding = 0;
   vertex_attribute[4].format = VK_FORMAT_R32G32B32A32_SFLOAT;
-  vertex_attribute[4].offset = offsetof(VK::SkeletalMeshVertex, bone_weights);
+  vertex_attribute[4].offset = offsetof(BluCat::SkeletalMeshVertex, bone_weights);
 
   VkPipelineVertexInputStateCreateInfo vertex_input_info = {};
   vertex_input_info.sType =
@@ -239,7 +239,7 @@ load_pipeline(void *obj)
 void
 unload_pipeline(void *obj)
 {
-  auto self = static_cast<VK::GraphicsPipeline3DSkeletal*>(obj);
+  auto self = static_cast<BluCat::GraphicsPipeline3DSkeletal*>(obj);
 
   vkDestroyPipeline(
     cg_core.vk_device_with_swapchain->device, self->graphic_pipeline, nullptr);
@@ -251,7 +251,7 @@ const CommandChain loader{
 
 }
 
-namespace VK
+namespace BluCat
 {
 
 GraphicsPipeline3DSkeletal::GraphicsPipeline3DSkeletal()
@@ -307,7 +307,7 @@ GraphicsPipeline3DSkeletal::draw(
 			vkCmdDrawIndexed(
 				draw_command_buffer, skeletal_mesh->index_count, 1, 0, 0, 0);
 
-			VK::UDOSkeletalModel udo_skeletal_model{};
+			BluCat::UDOSkeletalModel udo_skeletal_model{};
 			instance->tick(cg_core.delta_time);
 			udo_skeletal_model.base_matrix = translation_matrix * rotation_matrix;
 			std::copy(instance->bone_transforms.begin(),
diff --git a/src/vk/graphics_pipeline_3d_skeletal.hpp b/src/blucat/graphics_pipeline_3d_skeletal.hpp
index 027b42e..430d2ec 100644
--- a/src/vk/graphics_pipeline_3d_skeletal.hpp
+++ b/src/blucat/graphics_pipeline_3d_skeletal.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_GRAPHICS_PIPELINE_3D_SKELETAL_H
-#define CANDY_GEAR_VK_GRAPHICS_PIPELINE_3D_SKELETAL_H 1
+#ifndef CANDY_GEAR_BLUCAT_GRAPHICS_PIPELINE_3D_SKELETAL_H
+#define CANDY_GEAR_BLUCAT_GRAPHICS_PIPELINE_3D_SKELETAL_H 1
 
 #include <memory>
 
@@ -23,7 +23,7 @@
 #include "command_pool.hpp"
 #include "view_3d.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 struct GraphicsPipeline3DSkeletal
@@ -40,4 +40,4 @@ struct GraphicsPipeline3DSkeletal
 
 }
 
-#endif /* CANDY_GEAR_VK_GRAPHICS_PIPELINE_SKELETAL_3D_H */
+#endif /* CANDY_GEAR_BLUCAT_GRAPHICS_PIPELINE_SKELETAL_3D_H */
diff --git a/src/vk/graphics_pipeline_sprite_3d.cpp b/src/blucat/graphics_pipeline_sprite_3d.cpp
index 0a4d520..a71e8bc 100644
--- a/src/vk/graphics_pipeline_sprite_3d.cpp
+++ b/src/blucat/graphics_pipeline_sprite_3d.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -28,7 +28,7 @@ namespace
 
 struct Sprite3DOrder
 {
-  std::shared_ptr<VK::Sprite3D> sprite_3d;
+  std::shared_ptr<BluCat::Sprite3D> sprite_3d;
   float distance;
 };
 
@@ -47,7 +47,7 @@ operator>(const Sprite3DOrder &a, const Sprite3DOrder &b)
 void
 load_pipeline(void *obj)
 {
-  auto self = static_cast<VK::GraphicsPipelineSprite3D*>(obj);
+  auto self = static_cast<BluCat::GraphicsPipelineSprite3D*>(obj);
 
   VkPipelineShaderStageCreateInfo vert_shader_stage_info{};
   vert_shader_stage_info.sType =
@@ -238,7 +238,7 @@ load_pipeline(void *obj)
 void
 unload_pipeline(void *obj)
 {
-  auto self = static_cast<VK::GraphicsPipelineSprite3D*>(obj);
+  auto self = static_cast<BluCat::GraphicsPipelineSprite3D*>(obj);
 
   vkDestroyPipeline(
     cg_core.vk_device_with_swapchain->device, self->graphic_pipeline, nullptr);
@@ -250,7 +250,7 @@ const CommandChain loader{
 
 }
 
-namespace VK
+namespace BluCat
 {
 
 GraphicsPipelineSprite3D::GraphicsPipelineSprite3D()
@@ -277,7 +277,7 @@ GraphicsPipelineSprite3D::draw(
     sprite_3d_order.reserve(
       cg_core.vk_renderer->sprites_3d_to_draw[current_frame].size());
 
-    for(std::shared_ptr<VK::Sprite3D> sprite:
+    for(std::shared_ptr<BluCat::Sprite3D> sprite:
 	  cg_core.vk_renderer->sprites_3d_to_draw[current_frame])
       sprite_3d_order.emplace_back(
 	sprite, glm::distance(*view->camera_position, *sprite->position));
diff --git a/src/vk/graphics_pipeline_sprite_3d.hpp b/src/blucat/graphics_pipeline_sprite_3d.hpp
index eb7aa34..969f905 100644
--- a/src/vk/graphics_pipeline_sprite_3d.hpp
+++ b/src/blucat/graphics_pipeline_sprite_3d.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_GRAPHICS_PIPELINE_SPRITE_3D_H
-#define CANDY_GEAR_VK_GRAPHICS_PIPELINE_SPRITE_3D_H 1
+#ifndef CANDY_GEAR_BLUCAT_GRAPHICS_PIPELINE_SPRITE_3D_H
+#define CANDY_GEAR_BLUCAT_GRAPHICS_PIPELINE_SPRITE_3D_H 1
 
 #include <memory>
 
@@ -24,7 +24,7 @@
 #include "sprite_3d.hpp"
 #include "view_3d.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 struct GraphicsPipelineSprite3D
@@ -41,4 +41,4 @@ struct GraphicsPipelineSprite3D
 
 }
 
-#endif /* CANDY_GEAR_VK_GRAPHICS_PIPELINE_SPRITE_3D_H */
+#endif /* CANDY_GEAR_BLUCAT_GRAPHICS_PIPELINE_SPRITE_3D_H */
diff --git a/src/vk/image.cpp b/src/blucat/image.cpp
index 7d751c8..7f8633f 100644
--- a/src/vk/image.cpp
+++ b/src/blucat/image.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,7 +18,7 @@
 
 #include "../core.hpp"
 
-namespace VK::Image
+namespace BluCat::Image
 {
 
 Error::Error(const std::string &m):
@@ -39,7 +39,7 @@ Error::what() const noexcept
 
 void
 create(
-  VK::Device *device,
+  BluCat::Device *device,
   VkImage *image,
   VkDeviceMemory *image_memory,
   VkFormat format,
@@ -117,7 +117,7 @@ void move_image_state(
 }
 
 void create_view(
-  VK::Device *device,
+  BluCat::Device *device,
   VkImageView *image_view,
   const VkImage &image,
   VkFormat format,
diff --git a/src/vk/image.hpp b/src/blucat/image.hpp
index 4849038..cb6cfd4 100644
--- a/src/vk/image.hpp
+++ b/src/blucat/image.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef BLUE_KITTY_VK_IMAGE_H
-#define BLUE_KITTY_VK_IMAGE_H 1
+#ifndef BLUE_KITTY_BLUCAT_IMAGE_H
+#define BLUE_KITTY_BLUCAT_IMAGE_H 1
 
 #include <memory>
 #include <string>
@@ -23,7 +23,7 @@
 #include "core.hpp"
 #include "device.hpp"
 
-namespace VK::Image
+namespace BluCat::Image
 {
 
 struct Error: public std::exception
@@ -40,7 +40,7 @@ private:
 
 void
 create(
-  VK::Device *device,
+  BluCat::Device *device,
   VkImage *image,
   VkDeviceMemory *image_memory,
   VkFormat format,
@@ -63,11 +63,11 @@ move_image_state(
 
 void
 create_view(
-  VK::Device *device,
+  BluCat::Device *device,
   VkImageView *image_view,
   const VkImage &image,
   VkFormat format,
   VkImageAspectFlags image_aspect_flags);
 }
 
-#endif /* CANDY_GEAR_VK_IMAGE_H */
+#endif /* CANDY_GEAR_BLUCAT_IMAGE_H */
diff --git a/src/vk/light.cpp b/src/blucat/light.cpp
index 5ed07ee..5efc6ec 100644
--- a/src/vk/light.cpp
+++ b/src/blucat/light.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -27,14 +27,14 @@ namespace
 void
 load_world_vert_uniform_buffer(void *obj)
 {
-  auto self = static_cast<VK::Light*>(obj);
+  auto self = static_cast<BluCat::Light*>(obj);
 
   try
   {
     self->ub_world_vert.reserve(cg_core.vk_swapchain->images_count);
     for(auto i{0}; i < cg_core.vk_swapchain->images_count; i++)
       self->ub_world_vert.emplace_back(
-	cg_core.vk_device_with_swapchain, sizeof(VK::UDOWorld3D_Vert));
+	cg_core.vk_device_with_swapchain, sizeof(BluCat::UDOWorld3D_Vert));
   }
   catch(const std::exception& e)
   {
@@ -45,7 +45,7 @@ load_world_vert_uniform_buffer(void *obj)
 void
 unload_world_vert_uniform_buffer(void *obj)
 {
-  auto self = static_cast<VK::Light*>(obj);
+  auto self = static_cast<BluCat::Light*>(obj);
 
   self->ub_world_vert.clear();
 }
@@ -53,14 +53,14 @@ unload_world_vert_uniform_buffer(void *obj)
 void
 load_world_frag_uniform_buffer(void *obj)
 {
-  auto self = static_cast<VK::Light*>(obj);
+  auto self = static_cast<BluCat::Light*>(obj);
 
   try
   {
     self->ub_world_frag.reserve(cg_core.vk_swapchain->images_count);
     for(auto i{0}; i < cg_core.vk_swapchain->images_count; i++)
       self->ub_world_frag.emplace_back(
-	cg_core.vk_device_with_swapchain, sizeof(VK::UDOWorld3D_Frag));
+	cg_core.vk_device_with_swapchain, sizeof(BluCat::UDOWorld3D_Frag));
   }
   catch(const std::exception& e)
   {
@@ -71,7 +71,7 @@ load_world_frag_uniform_buffer(void *obj)
 void
 unload_world_frag_uniform_buffer(void *obj)
 {
-  auto self = static_cast<VK::Light*>(obj);
+  auto self = static_cast<BluCat::Light*>(obj);
 
   self->ub_world_frag.clear();
 }
@@ -79,7 +79,7 @@ unload_world_frag_uniform_buffer(void *obj)
 void
 load_descriptor_pool(void *obj)
 {
-  auto self = static_cast<VK::Light*>(obj);
+  auto self = static_cast<BluCat::Light*>(obj);
 
   uint32_t uniform_buffers_count =
     self->ub_world_vert.size() + self->ub_world_vert.size();
@@ -105,7 +105,7 @@ load_descriptor_pool(void *obj)
 void
 unload_descriptor_pool(void *obj)
 {
-  auto self = static_cast<VK::Light*>(obj);
+  auto self = static_cast<BluCat::Light*>(obj);
 
   vkDestroyDescriptorPool(
     cg_core.vk_device_with_swapchain->device, self->descriptor_pool,
@@ -115,7 +115,7 @@ unload_descriptor_pool(void *obj)
 void
 load_descriptor_sets_world(void *obj)
 {
-  auto self = static_cast<VK::Light*>(obj);
+  auto self = static_cast<BluCat::Light*>(obj);
 
   std::vector<VkDescriptorSetLayout> layouts(
     cg_core.vk_swapchain->images_count,
@@ -137,19 +137,19 @@ load_descriptor_sets_world(void *obj)
 void
 load_resources_to_descriptor_sets(void *obj)
 {
-  auto self = static_cast<VK::Light*>(obj);
+  auto self = static_cast<BluCat::Light*>(obj);
 
   for(auto i{0}; i < cg_core.vk_swapchain->images_count; i++)
   {
     VkDescriptorBufferInfo world_vert_info{};
     world_vert_info.buffer = self->ub_world_vert[i].buffer;
     world_vert_info.offset = 0;
-    world_vert_info.range = sizeof(VK::UDOWorld3D_Vert);
+    world_vert_info.range = sizeof(BluCat::UDOWorld3D_Vert);
 
     VkDescriptorBufferInfo world_frag_info{};
     world_frag_info.buffer = self->ub_world_frag[i].buffer;
     world_frag_info.offset = 0;
-    world_frag_info.range = sizeof(VK::UDOWorld3D_Frag);
+    world_frag_info.range = sizeof(BluCat::UDOWorld3D_Frag);
 
     std::array<VkWriteDescriptorSet, 2> write_descriptors{};
     write_descriptors[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
@@ -189,7 +189,7 @@ const CommandChain loader{
 
 }
 
-namespace VK
+namespace BluCat
 {
 
 Light::Light()
diff --git a/src/vk/light.hpp b/src/blucat/light.hpp
index 80e44c7..7e1d3a1 100644
--- a/src/vk/light.hpp
+++ b/src/blucat/light.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,13 +14,13 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_LIGHT_H
-#define CANDY_GEAR_VK_LIGHT_H 1
+#ifndef CANDY_GEAR_BLUCAT_LIGHT_H
+#define CANDY_GEAR_BLUCAT_LIGHT_H 1
 
 #include "core.hpp"
 #include "uniform_buffer.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 struct Light
@@ -38,4 +38,4 @@ struct Light
 
 }
 
-#endif /* CANDY_GEAR_VK_LIGHT_H */
+#endif /* CANDY_GEAR_BLUCAT_LIGHT_H */
diff --git a/src/vk/qoi.cpp b/src/blucat/qoi.cpp
index bc0caab..663e4e9 100644
--- a/src/vk/qoi.cpp
+++ b/src/blucat/qoi.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -92,7 +92,7 @@ color_hash(const RGBA &colors)
 
 }
 
-namespace VK::QOI
+namespace BluCat::QOI
 {
 
 Image::Image(const char *file_path, uint8_t channels):
diff --git a/src/vk/qoi.hpp b/src/blucat/qoi.hpp
index 8a8688f..cd33205 100644
--- a/src/vk/qoi.hpp
+++ b/src/blucat/qoi.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,7 +16,7 @@
 
 #include <cstdint>
 
-namespace VK::QOI
+namespace BluCat::QOI
 {
   struct Header
   {
diff --git a/src/vk/queue.cpp b/src/blucat/queue.cpp
index deb59ba..c00d874 100644
--- a/src/vk/queue.cpp
+++ b/src/blucat/queue.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,11 +18,11 @@
 
 #include "queue_family.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 Queue::Queue(
-  VK::QueueFamily *queue_family, VkQueue queue, int queue_index):
+  BluCat::QueueFamily *queue_family, VkQueue queue, int queue_index):
   queue_family{queue_family},
   queue{queue},
   queue_index{queue_index}
diff --git a/src/vk/queue.hpp b/src/blucat/queue.hpp
index 955daa5..a71dc9d 100644
--- a/src/vk/queue.hpp
+++ b/src/blucat/queue.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,18 +14,18 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_QUEUE_H
-#define CANDY_GEAR_VK_QUEUE_H 1
+#ifndef CANDY_GEAR_BLUCAT_QUEUE_H
+#define CANDY_GEAR_BLUCAT_QUEUE_H 1
 
 #include "core.hpp"
 
-namespace VK
+namespace BluCat
 {
 class QueueFamily;
 
 struct Queue
 {
-  friend class VK::QueueFamily;
+  friend class BluCat::QueueFamily;
 
   Queue(const Queue &t) = delete;
   Queue& operator=(const Queue &t) = delete;
@@ -42,10 +42,10 @@ struct Queue
   ~Queue();
 
 private:
-  VK::QueueFamily *queue_family;
+  BluCat::QueueFamily *queue_family;
   int queue_index;
 
-  Queue(VK::QueueFamily *queue_family, VkQueue queue, int queue_index);
+  Queue(BluCat::QueueFamily *queue_family, VkQueue queue, int queue_index);
 };
 
 template<typename T> void
@@ -79,4 +79,4 @@ Queue::submit_one_time_command(
 
 }
 
-#endif /* CANDY_GEAR_VK_QUEUE_H */
+#endif /* CANDY_GEAR_BLUCAT_QUEUE_H */
diff --git a/src/vk/queue_family.cpp b/src/blucat/queue_family.cpp
index d917c13..32aaf4b 100644
--- a/src/vk/queue_family.cpp
+++ b/src/blucat/queue_family.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,11 +22,11 @@
 
 #include "../core.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 QueueFamily::QueueFamily(
-  VK::Device *device, uint32_t family_index,
+  BluCat::Device *device, uint32_t family_index,
   const VkQueueFamilyProperties &queue_family_properties):
   queue_mutex{}
 {
diff --git a/src/vk/queue_family.hpp b/src/blucat/queue_family.hpp
index 83efc00..2486316 100644
--- a/src/vk/queue_family.hpp
+++ b/src/blucat/queue_family.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_QUEUE_FAMILY_H
-#define CANDY_GEAR_VK_QUEUE_FAMILY_H 1
+#ifndef CANDY_GEAR_BLUCAT_QUEUE_FAMILY_H
+#define CANDY_GEAR_BLUCAT_QUEUE_FAMILY_H 1
 
 #include <mutex>
 #include <vector>
@@ -23,7 +23,7 @@
 #include "core.hpp"
 #include "queue.hpp"
 
-namespace VK
+namespace BluCat
 {
 class Device;
 
@@ -41,12 +41,12 @@ class QueueFamily
   std::vector<QueueState> queue_states;
 
 public:
-  VK::Device *device;
+  BluCat::Device *device;
 
   uint32_t family_index;
   VkQueueFamilyProperties family_properties;
 
-  QueueFamily(VK::Device *device, uint32_t family_index,
+  QueueFamily(BluCat::Device *device, uint32_t family_index,
 	      const VkQueueFamilyProperties &queue_family_properties);
 
   Queue
@@ -55,4 +55,4 @@ public:
 
 }
 
-#endif /* CANDY_GEAR_VK_QUEUE_FAMILY_H */
+#endif /* CANDY_GEAR_BLUCAT_QUEUE_FAMILY_H */
diff --git a/src/vk/rectangle.cpp b/src/blucat/rectangle.cpp
index dc18c45..34f844d 100644
--- a/src/vk/rectangle.cpp
+++ b/src/blucat/rectangle.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,7 +16,7 @@
 
 #include "rectangle.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 const int Rectangle::VertexCount{4};
diff --git a/src/vk/rectangle.hpp b/src/blucat/rectangle.hpp
index faee927..876508c 100644
--- a/src/vk/rectangle.hpp
+++ b/src/blucat/rectangle.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_RECTANGLE_H
-#define CANDY_GEAR_VK_RECTANGLE_H 1
+#ifndef CANDY_GEAR_BLUCAT_RECTANGLE_H
+#define CANDY_GEAR_BLUCAT_RECTANGLE_H 1
 
 #include <vector>
 
@@ -24,7 +24,7 @@
 #include "queue_family.hpp"
 #include "uniform_buffer.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 struct Rectangle
@@ -39,4 +39,4 @@ struct Rectangle
 
 }
 
-#endif /* CANDY_GEAR_VK_RECTANGLE_H */
+#endif /* CANDY_GEAR_BLUCAT_RECTANGLE_H */
diff --git a/src/vk/render_pass.cpp b/src/blucat/render_pass.cpp
index 799cde4..0eb30e3 100644
--- a/src/vk/render_pass.cpp
+++ b/src/blucat/render_pass.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -26,7 +26,7 @@ namespace
 void
 load_3d(void *obj)
 {
-  auto self = static_cast<VK::RenderPass*>(obj);
+  auto self = static_cast<BluCat::RenderPass*>(obj);
 
   std::array<VkAttachmentDescription, 2> attachments{};
   // Color attachment.
@@ -103,7 +103,7 @@ load_3d(void *obj)
 void
 unload_3d(void *obj)
 {
-  auto self = static_cast<VK::RenderPass*>(obj);
+  auto self = static_cast<BluCat::RenderPass*>(obj);
 
   vkDestroyRenderPass(
     cg_core.vk_device_with_swapchain->device, self->pipeline_3d, nullptr);
@@ -112,7 +112,7 @@ unload_3d(void *obj)
 void
 load_2d(void *obj)
 {
-  auto self = static_cast<VK::RenderPass*>(obj);
+  auto self = static_cast<BluCat::RenderPass*>(obj);
 
   std::array<VkAttachmentDescription, 1> attachments{};
   // Color attachment.
@@ -174,7 +174,7 @@ load_2d(void *obj)
 void
 unload_2d(void *obj)
 {
-  auto self = static_cast<VK::RenderPass*>(obj);
+  auto self = static_cast<BluCat::RenderPass*>(obj);
 
   vkDestroyRenderPass(
     cg_core.vk_device_with_swapchain->device, self->pipeline_2d, nullptr);
@@ -187,7 +187,7 @@ const CommandChain loader{
 
 }
 
-namespace VK
+namespace BluCat
 {
 
 RenderPass::RenderPass()
diff --git a/src/vk/render_pass.hpp b/src/blucat/render_pass.hpp
index 2f96062..196ce97 100644
--- a/src/vk/render_pass.hpp
+++ b/src/blucat/render_pass.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,12 +14,12 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_RENDER_PASS_H
-#define CANDY_GEAR_VK_RENDER_PASS_H 1
+#ifndef CANDY_GEAR_BLUCAT_RENDER_PASS_H
+#define CANDY_GEAR_BLUCAT_RENDER_PASS_H 1
 
 #include "core.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 struct RenderPass
@@ -33,4 +33,4 @@ struct RenderPass
 
 }
 
-#endif /* CANDY_GEAR_VK_RENDER_PASS_H */
+#endif /* CANDY_GEAR_BLUCAT_RENDER_PASS_H */
diff --git a/src/vk/renderer.cpp b/src/blucat/renderer.cpp
index 0f7f804..75822e0 100644
--- a/src/vk/renderer.cpp
+++ b/src/blucat/renderer.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -27,7 +27,7 @@ namespace
 void
 load_descriptor_pool(void *obj)
 {
-  auto self = static_cast<VK::Renderer*>(obj);
+  auto self = static_cast<BluCat::Renderer*>(obj);
 
   uint32_t uniform_buffer_count = 0;
   for(auto &view : self->views_3d)
@@ -61,7 +61,7 @@ load_descriptor_pool(void *obj)
 void
 unload_descriptor_pool(void *obj)
 {
-  auto self = static_cast<VK::Renderer*>(obj);
+  auto self = static_cast<BluCat::Renderer*>(obj);
 
   for(auto &view : self->views_3d) view->unload_descriptor_sets();
   for(auto &view : self->views_2d) view->unload_descriptor_sets();
@@ -74,7 +74,7 @@ unload_descriptor_pool(void *obj)
 void
 load_queue_family(void *obj)
 {
-  auto self = static_cast<VK::Renderer*>(obj);
+  auto self = static_cast<BluCat::Renderer*>(obj);
 
   self->queue_family =
     cg_core.vk_device_with_swapchain->get_queue_family_with_presentation();
@@ -83,7 +83,7 @@ load_queue_family(void *obj)
 void
 load_command_pool(void *obj)
 {
-  auto self = static_cast<VK::Renderer*>(obj);
+  auto self = static_cast<BluCat::Renderer*>(obj);
 
   VkCommandPoolCreateInfo create_info{};
   create_info.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
@@ -99,10 +99,10 @@ load_command_pool(void *obj)
 void
 unload_command_pool(void *obj)
 {
-  auto self = static_cast<VK::Renderer*>(obj);
+  auto self = static_cast<BluCat::Renderer*>(obj);
 
   vkWaitForFences(cg_core.vk_device_with_swapchain->device,
-		  VK::Swapchain::max_frames_in_flight,
+		  BluCat::Swapchain::max_frames_in_flight,
 		  cg_core.vk_swapchain->in_flight_fences.data(), VK_TRUE,
 		  std::numeric_limits<uint64_t>::max());
   vkDestroyCommandPool(
@@ -112,7 +112,7 @@ unload_command_pool(void *obj)
 void
 load_draw_command_buffer(void *obj)
 {
-  auto self = static_cast<VK::Renderer*>(obj);
+  auto self = static_cast<BluCat::Renderer*>(obj);
 
   // FIXME: 3 is a magical number, triple buffering.
   self->draw_command_buffers.resize(3);
@@ -139,7 +139,7 @@ const CommandChain loader{
 
 }
 
-namespace VK
+namespace BluCat
 {
 
 Renderer::Renderer(std::vector<std::shared_ptr<View2D>> views_2d,
@@ -275,7 +275,7 @@ Renderer::draw()
 				image_index);
 
 			{ // Update view uniform buffers
-				VK::UDOView3D ubo_view_3d{};
+				BluCat::UDOView3D ubo_view_3d{};
 
 				// View matrix.
 				glm::mat4 translation_matrix{1.0f};
diff --git a/src/vk/renderer.hpp b/src/blucat/renderer.hpp
index 96d25ba..d23ebe5 100644
--- a/src/vk/renderer.hpp
+++ b/src/blucat/renderer.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_RENDERER_H
-#define CANDY_GEAR_VK_RENDERER_H 1
+#ifndef CANDY_GEAR_BLUCAT_RENDERER_H
+#define CANDY_GEAR_BLUCAT_RENDERER_H 1
 
 #include <initializer_list>
 #include <memory>
@@ -31,7 +31,7 @@
 #include "view_2d.hpp"
 #include "view_3d.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 struct Renderer
@@ -69,4 +69,4 @@ struct Renderer
 
 }
 
-#endif /* CANDY_GEAR_VK_RENDERER_H */
+#endif /* CANDY_GEAR_BLUCAT_RENDERER_H */
diff --git a/src/vk/skeletal_mesh.cpp b/src/blucat/skeletal_mesh.cpp
index b65d27d..baea635 100644
--- a/src/vk/skeletal_mesh.cpp
+++ b/src/blucat/skeletal_mesh.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -29,19 +29,19 @@ namespace
 struct MeshBuilder
 {
   std::string mesh_path;
-  VK::SkeletalMesh *mesh;
+  BluCat::SkeletalMesh *mesh;
 
-  MeshBuilder(VK::SkeletalMesh *m, std::string mp);
-  MeshBuilder(VK::SkeletalMesh *m, const char* mp);
+  MeshBuilder(BluCat::SkeletalMesh *m, std::string mp);
+  MeshBuilder(BluCat::SkeletalMesh *m, const char* mp);
 };
 
-MeshBuilder::MeshBuilder(VK::SkeletalMesh *m, std::string mp):
+MeshBuilder::MeshBuilder(BluCat::SkeletalMesh *m, std::string mp):
   mesh{m},
   mesh_path{mp}
 {
 }
 
-MeshBuilder::MeshBuilder(VK::SkeletalMesh *m, const char *mp):
+MeshBuilder::MeshBuilder(BluCat::SkeletalMesh *m, const char *mp):
   MeshBuilder{m, std::string(mp)}
 {
 }
@@ -58,7 +58,7 @@ load_mesh(void *obj)
 
   { // Load vertexes.
     auto vertex_count{input.read_ui32()};
-    std::vector<VK::SkeletalMeshVertex> vertexes{vertex_count};
+    std::vector<BluCat::SkeletalMeshVertex> vertexes{vertex_count};
 
     for(auto i{0}; i < vertex_count; i++)
     {
@@ -66,20 +66,20 @@ load_mesh(void *obj)
       vertexes[i].normal = input.read_vec3();
       vertexes[i].texture_coord = input.read_vec2();
 
-      for(auto ii{0}; ii < VK::SKELETAL_MESH_MAX_NUM_OF_INFLUENCING_BONES;
+      for(auto ii{0}; ii < BluCat::SKELETAL_MESH_MAX_NUM_OF_INFLUENCING_BONES;
 	  ii++)
 	vertexes[i].bone_ids[ii] = input.read_ui32();
 
-      for(auto ii{0}; ii < VK::SKELETAL_MESH_MAX_NUM_OF_INFLUENCING_BONES;
+      for(auto ii{0}; ii < BluCat::SKELETAL_MESH_MAX_NUM_OF_INFLUENCING_BONES;
 	  ii++)
 	vertexes[i].bone_weights[ii] = input.read_float();
     }
 
     void *vertexes_data{vertexes.data()};
     size_t vertexes_size = sizeof(vertexes[0]) * vertexes.size();
-    self->mesh->source_vertex_buffer = new VK::SourceBuffer{
+    self->mesh->source_vertex_buffer = new BluCat::SourceBuffer{
       self->mesh->queue_family->device, vertexes_data, vertexes_size};
-    self->mesh->vertex_buffer = new VK::DestinationBuffer{
+    self->mesh->vertex_buffer = new BluCat::DestinationBuffer{
       self->mesh->queue_family, self->mesh->source_vertex_buffer,
       VK_BUFFER_USAGE_VERTEX_BUFFER_BIT};
   }
@@ -93,9 +93,9 @@ load_mesh(void *obj)
 
     void *indexes_data{indexes.data()};
     size_t indexes_size{sizeof(indexes[0]) * indexes.size()};
-    VK::SourceBuffer source_index_buffer{
+    BluCat::SourceBuffer source_index_buffer{
       self->mesh->queue_family->device, indexes_data, indexes_size};
-    self->mesh->index_buffer = new VK::DestinationBuffer{
+    self->mesh->index_buffer = new BluCat::DestinationBuffer{
       self->mesh->queue_family, &source_index_buffer,
       VK_BUFFER_USAGE_INDEX_BUFFER_BIT};
   }
@@ -118,7 +118,7 @@ load_mesh(void *obj)
       auto ticks_per_second{input.read_double()};
 
       auto num_bone_transforms{input.read_ui32()};
-      std::vector<VK::BoneTransform> *bone_transforms =
+      std::vector<BluCat::BoneTransform> *bone_transforms =
 	&(self->mesh->animations[i].bone_transforms);
       bone_transforms->resize(num_bone_transforms);
       for(uint32_t bone_transform_index{0};
@@ -127,7 +127,7 @@ load_mesh(void *obj)
 	auto bone_id{input.read_ui32()};
 
 	auto num_positions{input.read_ui32()};
-	VK::Channel<glm::vec3> *positions =
+	BluCat::Channel<glm::vec3> *positions =
 	  &((*bone_transforms)[bone_transform_index].positions);
 	for(auto position_key_index{0}; position_key_index < num_positions;
 	    position_key_index++)
@@ -139,7 +139,7 @@ load_mesh(void *obj)
 	}
 
 	auto num_rotations{input.read_ui32()};
-	VK::Channel<glm::quat> *rotations =
+	BluCat::Channel<glm::quat> *rotations =
 	  &((*bone_transforms)[bone_transform_index].rotations);
 	for(auto rotation_key_index{0}; rotation_key_index < num_rotations;
 	    rotation_key_index++)
@@ -151,7 +151,7 @@ load_mesh(void *obj)
 	}
 
 	auto num_scales{input.read_ui32()};
-	VK::Channel<glm::vec3> *scales =
+	BluCat::Channel<glm::vec3> *scales =
 	  &((*bone_transforms)[bone_transform_index].scales);
 	for(auto scaling_key_index{0}; scaling_key_index < num_scales;
 	    scaling_key_index++)
@@ -181,7 +181,7 @@ static const CommandChain loader{
 
 }
 
-namespace VK
+namespace BluCat
 {
 
 SkeletalMesh::SkeletalMesh(std::string mesh_path)
diff --git a/src/vk/skeletal_mesh.hpp b/src/blucat/skeletal_mesh.hpp
index 7fc8334..8b7d0fe 100644
--- a/src/vk/skeletal_mesh.hpp
+++ b/src/blucat/skeletal_mesh.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_SKELETAL_MESH_H
-#define CANDY_GEAR_VK_SKELETAL_MESH_H 1
+#ifndef CANDY_GEAR_BLUCAT_SKELETAL_MESH_H
+#define CANDY_GEAR_BLUCAT_SKELETAL_MESH_H 1
 
 #include <string>
 #include <vector>
@@ -27,7 +27,7 @@
 #include "uniform_buffer.hpp"
 #include "texture.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 struct SkeletalMesh
@@ -49,4 +49,4 @@ struct SkeletalMesh
 
 }
 
-#endif /* CANDY_GEAR_VK_SKELETAL_MESH_H */
+#endif /* CANDY_GEAR_BLUCAT_SKELETAL_MESH_H */
diff --git a/src/vk/skeletal_mesh_vertex.hpp b/src/blucat/skeletal_mesh_vertex.hpp
index b5bba3d..533c2ab 100644
--- a/src/vk/skeletal_mesh_vertex.hpp
+++ b/src/blucat/skeletal_mesh_vertex.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,12 +14,12 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_SKELETAL_MESH_VERTEX_H
-#define CANDY_GEAR_VK_SKELETAL_MESH_VERTEX_H 1
+#ifndef CANDY_GEAR_BLUCAT_SKELETAL_MESH_VERTEX_H
+#define CANDY_GEAR_BLUCAT_SKELETAL_MESH_VERTEX_H 1
 
 #include "core.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 // This variable define the maximum ammount of bones that can influence a
@@ -39,4 +39,4 @@ struct SkeletalMeshVertex
 
 }
 
-#endif /* CANDY_GEAR_VK_SKELETAL_MESH_VERTEX_H */
+#endif /* CANDY_GEAR_BLUCAT_SKELETAL_MESH_VERTEX_H */
diff --git a/src/vk/skeletal_model.cpp b/src/blucat/skeletal_model.cpp
index d2739c4..8761bc8 100644
--- a/src/vk/skeletal_model.cpp
+++ b/src/blucat/skeletal_model.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -25,14 +25,14 @@ namespace
 void
 load_uniform_buffers(void *obj)
 {
-  auto self = static_cast<VK::SkeletalModel*>(obj);
+  auto self = static_cast<BluCat::SkeletalModel*>(obj);
 
   try
   {
     self->uniform_buffers.reserve(cg_core.vk_swapchain->images_count);
     for(auto i{0}; i < cg_core.vk_swapchain->images_count; i++)
       self->uniform_buffers.emplace_back(
-	cg_core.vk_device_with_swapchain, sizeof(VK::UDOSkeletalModel));
+	cg_core.vk_device_with_swapchain, sizeof(BluCat::UDOSkeletalModel));
   }
   catch(const std::exception& e)
   {
@@ -43,7 +43,7 @@ load_uniform_buffers(void *obj)
 void
 unload_uniform_buffers(void *obj)
 {
-  auto self = static_cast<VK::SkeletalModel*>(obj);
+  auto self = static_cast<BluCat::SkeletalModel*>(obj);
 
   self->uniform_buffers.clear();
 }
@@ -51,7 +51,7 @@ unload_uniform_buffers(void *obj)
 void
 load_descriptor_set_pool(void *obj)
 {
-  auto self = static_cast<VK::SkeletalModel*>(obj);
+  auto self = static_cast<BluCat::SkeletalModel*>(obj);
 
   std::array<VkDescriptorPoolSize, 1> descriptor_pool_sizes{};
   descriptor_pool_sizes[0].type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
@@ -75,7 +75,7 @@ load_descriptor_set_pool(void *obj)
 void
 unload_descriptor_set_pool(void *obj)
 {
-  auto self = static_cast<VK::SkeletalModel*>(obj);
+  auto self = static_cast<BluCat::SkeletalModel*>(obj);
 
   vkDestroyDescriptorPool(
     self->skeletal_mesh->queue_family->device->device, self->descriptor_pool,
@@ -85,7 +85,7 @@ unload_descriptor_set_pool(void *obj)
 void
 load_descriptor_sets(void *obj)
 {
-  auto self = static_cast<VK::SkeletalModel*>(obj);
+  auto self = static_cast<BluCat::SkeletalModel*>(obj);
 
   std::vector<VkDescriptorSetLayout> layouts(
     cg_core.vk_swapchain->images_count,
@@ -107,14 +107,14 @@ load_descriptor_sets(void *obj)
 void
 load_buffers_to_descriptor_sets(void *obj)
 {
-  auto self = static_cast<VK::SkeletalModel*>(obj);
+  auto self = static_cast<BluCat::SkeletalModel*>(obj);
 
   for(auto i{0}; i < self->uniform_buffers.size(); i++)
   {
     VkDescriptorBufferInfo buffer_info{};
     buffer_info.buffer = self->uniform_buffers[i].buffer;
     buffer_info.offset = 0;
-    buffer_info.range = sizeof(VK::UDOSkeletalModel);
+    buffer_info.range = sizeof(BluCat::UDOSkeletalModel);
 
     std::array<VkWriteDescriptorSet, 1> write_descriptors{};
     write_descriptors[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
@@ -142,7 +142,7 @@ static const CommandChain loader{
 
 }
 
-namespace VK
+namespace BluCat
 {
 
 SkeletalModel::SkeletalModel(
@@ -171,7 +171,7 @@ SkeletalModel::~SkeletalModel()
 void
 SkeletalModel::tick(float delta)
 {
-  VK::Animation *current_animation =
+  BluCat::Animation *current_animation =
     &this->skeletal_mesh->animations[this->animation_index];
 
   { // update time
@@ -179,7 +179,7 @@ SkeletalModel::tick(float delta)
     if(this->animation_time > current_animation->final_time)
     {
       this->animation_time -= current_animation->final_time;
-      for(VK::BoneTransform &bone_transform:
+      for(BluCat::BoneTransform &bone_transform:
 	    current_animation->bone_transforms)
       {
 	bone_transform.positions.current_index = 0;
@@ -191,7 +191,7 @@ SkeletalModel::tick(float delta)
 
   for(int i{0}; i < current_animation->bone_transforms.size(); i++)
   {
-    VK::BoneTransform *bone_transform = &current_animation->bone_transforms[i];
+    BluCat::BoneTransform *bone_transform = &current_animation->bone_transforms[i];
 
     auto position{bone_transform->positions.interpolate(
 	this->animation_time,
diff --git a/src/vk/skeletal_model.hpp b/src/blucat/skeletal_model.hpp
index db54ac9..cd3685e 100644
--- a/src/vk/skeletal_model.hpp
+++ b/src/blucat/skeletal_model.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_SKELETAL_MODEL_H
-#define CANDY_GEAR_VK_SKELETAL_MODEL_H 1
+#ifndef CANDY_GEAR_BLUCAT_SKELETAL_MODEL_H
+#define CANDY_GEAR_BLUCAT_SKELETAL_MODEL_H 1
 
 #include <memory>
 #include <vector>
@@ -23,7 +23,7 @@
 #include "core.hpp"
 #include "skeletal_mesh.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 struct SkeletalModel
@@ -52,4 +52,4 @@ struct SkeletalModel
 
 }
 
-#endif /* CANDY_GEAR_VK_SKELETAL_MODEL_H */
+#endif /* CANDY_GEAR_BLUCAT_SKELETAL_MODEL_H */
diff --git a/src/vk/source_buffer.cpp b/src/blucat/source_buffer.cpp
index f8f1aee..41c40b9 100644
--- a/src/vk/source_buffer.cpp
+++ b/src/blucat/source_buffer.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,7 +18,7 @@
 
 #include <cstring>
 
-namespace VK
+namespace BluCat
 {
 
 SourceBuffer::SourceBuffer(Device *device, void *data, size_t data_size)
@@ -31,7 +31,7 @@ SourceBuffer::SourceBuffer(Device *device, void *data, size_t data_size)
 
   try
   {
-    VK::BaseBuffer::loader.execute(static_cast<VK::BaseBuffer*>(this));
+    BluCat::BaseBuffer::loader.execute(static_cast<BluCat::BaseBuffer*>(this));
   }
   catch(const CommandError &command_error)
   {
@@ -71,7 +71,7 @@ SourceBuffer::operator=(SourceBuffer &&that)
 
 SourceBuffer::~SourceBuffer()
 {
-  VK::BaseBuffer::loader.revert(static_cast<VK::BaseBuffer*>(this));
+  BluCat::BaseBuffer::loader.revert(static_cast<BluCat::BaseBuffer*>(this));
 }
 
 void
diff --git a/src/vk/source_buffer.hpp b/src/blucat/source_buffer.hpp
index 440e561..dd52acc 100644
--- a/src/vk/source_buffer.hpp
+++ b/src/blucat/source_buffer.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,12 +14,12 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_SOURCE_BUFFER_H
-#define CANDY_GEAR_VK_SOURCE_BUFFER_H 1
+#ifndef CANDY_GEAR_BLUCAT_SOURCE_BUFFER_H
+#define CANDY_GEAR_BLUCAT_SOURCE_BUFFER_H 1
 
 #include "base_buffer.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 struct SourceBuffer: public BaseBuffer
@@ -42,4 +42,4 @@ struct SourceBuffer: public BaseBuffer
 
 }
 
-#endif /* CANDY_GEAR_VK_SOURCE_BUFFER_H */
+#endif /* CANDY_GEAR_BLUCAT_SOURCE_BUFFER_H */
diff --git a/src/vk/sprite.cpp b/src/blucat/sprite.cpp
index 95e11a3..a275df8 100644
--- a/src/vk/sprite.cpp
+++ b/src/blucat/sprite.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -27,13 +27,13 @@ namespace
 
 struct SpriteBuilder
 {
-  VK::Sprite *sprite;
+  BluCat::Sprite *sprite;
   glm::vec4 &rect;
 
-  SpriteBuilder(VK::Sprite *sprite, glm::vec4 &rect);
+  SpriteBuilder(BluCat::Sprite *sprite, glm::vec4 &rect);
 };
 
-SpriteBuilder::SpriteBuilder(VK::Sprite *sprite, glm::vec4 &rect):
+SpriteBuilder::SpriteBuilder(BluCat::Sprite *sprite, glm::vec4 &rect):
   sprite{sprite},
   rect{rect}
 {
@@ -47,7 +47,7 @@ load_mesh(void *obj)
   self->sprite->queue_family =
     cg_core.vk_device_with_swapchain->get_queue_family_with_graphics();
 
-  glm::vec2 rect[VK::Sprite::vertex_count]{
+  glm::vec2 rect[BluCat::Sprite::vertex_count]{
     glm::vec2{self->rect.x, self->rect.y},
     glm::vec2{self->rect.x, self->rect.w},
     glm::vec2{self->rect.z, self->rect.y},
@@ -56,10 +56,10 @@ load_mesh(void *obj)
 
   void *vertexes_data{&rect};
   static const size_t vertexes_size =
-    sizeof(glm::vec2) * VK::Sprite::vertex_count;
-  self->sprite->source_buffer = new VK::SourceBuffer{
+    sizeof(glm::vec2) * BluCat::Sprite::vertex_count;
+  self->sprite->source_buffer = new BluCat::SourceBuffer{
     self->sprite->queue_family->device, vertexes_data, vertexes_size};
-  self->sprite->vertex_buffer = new VK::DestinationBuffer{
+  self->sprite->vertex_buffer = new BluCat::DestinationBuffer{
     self->sprite->queue_family, self->sprite->source_buffer,
     VK_BUFFER_USAGE_VERTEX_BUFFER_BIT};
 }
@@ -79,7 +79,7 @@ static const CommandChain loader{
 
 }
 
-namespace VK
+namespace BluCat
 {
 
 Sprite::Sprite(std::shared_ptr<Texture> texture, glm::vec4 &rect):
diff --git a/src/vk/sprite.hpp b/src/blucat/sprite.hpp
index 791144e..6252d00 100644
--- a/src/vk/sprite.hpp
+++ b/src/blucat/sprite.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_SPRITE_H
-#define CANDY_GEAR_VK_SPRITE_H 1
+#ifndef CANDY_GEAR_BLUCAT_SPRITE_H
+#define CANDY_GEAR_BLUCAT_SPRITE_H 1
 
 #include <memory>
 #include <unordered_map>
@@ -27,7 +27,7 @@
 #include "uniform_buffer.hpp"
 #include "texture.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 struct Sprite
@@ -47,4 +47,4 @@ struct Sprite
 
 }
 
-#endif /* CANDY_GEAR_VK_SPRITE_H */
+#endif /* CANDY_GEAR_BLUCAT_SPRITE_H */
diff --git a/src/vk/sprite_3d.cpp b/src/blucat/sprite_3d.cpp
index 66199f1..6fa6d49 100644
--- a/src/vk/sprite_3d.cpp
+++ b/src/blucat/sprite_3d.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -25,14 +25,14 @@ namespace
 void
 load_uniform_buffers(void *obj)
 {
-  auto self = static_cast<VK::Sprite3D*>(obj);
+  auto self = static_cast<BluCat::Sprite3D*>(obj);
 
   try
   {
     self->uniform_buffers.reserve(cg_core.vk_swapchain->images_count);
     for(auto i{0}; i < cg_core.vk_swapchain->images_count; i++)
       self->uniform_buffers.emplace_back(
-	cg_core.vk_device_with_swapchain, sizeof(VK::UDOSprite3D));
+	cg_core.vk_device_with_swapchain, sizeof(BluCat::UDOSprite3D));
   }
   catch(const std::exception& e)
   {
@@ -43,7 +43,7 @@ load_uniform_buffers(void *obj)
 void
 unload_uniform_buffers(void *obj)
 {
-  auto self = static_cast<VK::Sprite3D*>(obj);
+  auto self = static_cast<BluCat::Sprite3D*>(obj);
 
   self->uniform_buffers.clear();
 }
@@ -51,7 +51,7 @@ unload_uniform_buffers(void *obj)
 void
 load_descriptor_set_pool(void *obj)
 {
-  auto self = static_cast<VK::Sprite3D*>(obj);
+  auto self = static_cast<BluCat::Sprite3D*>(obj);
 
   std::array<VkDescriptorPoolSize, 1> descriptor_pool_sizes{};
   descriptor_pool_sizes[0].type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
@@ -75,7 +75,7 @@ load_descriptor_set_pool(void *obj)
 void
 unload_descriptor_set_pool(void *obj)
 {
-  auto self = static_cast<VK::Sprite3D*>(obj);
+  auto self = static_cast<BluCat::Sprite3D*>(obj);
 
   vkDestroyDescriptorPool(
     self->queue_family->device->device, self->descriptor_pool, nullptr);
@@ -83,7 +83,7 @@ unload_descriptor_set_pool(void *obj)
 void
 load_descriptor_sets(void *obj)
 {
-  auto self = static_cast<VK::Sprite3D*>(obj);
+  auto self = static_cast<BluCat::Sprite3D*>(obj);
 
   std::vector<VkDescriptorSetLayout> layouts(
     cg_core.vk_swapchain->images_count,
@@ -105,14 +105,14 @@ load_descriptor_sets(void *obj)
 void
 load_buffers_to_descriptor_sets(void *obj)
 {
-  auto self = static_cast<VK::Sprite3D*>(obj);
+  auto self = static_cast<BluCat::Sprite3D*>(obj);
 
   for(auto i{0}; i < self->uniform_buffers.size(); i++)
   {
     VkDescriptorBufferInfo buffer_info{};
     buffer_info.buffer = self->uniform_buffers[i].buffer;
     buffer_info.offset = 0;
-    buffer_info.range = sizeof(VK::UDOSprite3D);
+    buffer_info.range = sizeof(BluCat::UDOSprite3D);
 
     VkDescriptorImageInfo image_info{};
     image_info.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
@@ -145,11 +145,11 @@ static const CommandChain loader{
 
 }
 
-namespace VK
+namespace BluCat
 {
 
 Sprite3D::Sprite3D(
-    std::shared_ptr<VK::Sprite> sprite, std::shared_ptr<glm::vec3> position,
+    std::shared_ptr<BluCat::Sprite> sprite, std::shared_ptr<glm::vec3> position,
     glm::vec2 size):
   sprite{sprite},
   position{position},
diff --git a/src/vk/sprite_3d.hpp b/src/blucat/sprite_3d.hpp
index 2059606..dd0f16e 100644
--- a/src/vk/sprite_3d.hpp
+++ b/src/blucat/sprite_3d.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,13 +14,13 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_SPRITE_3D_H
-#define CANDY_GEAR_VK_SPRITE_3D_H 1
+#ifndef CANDY_GEAR_BLUCAT_SPRITE_3D_H
+#define CANDY_GEAR_BLUCAT_SPRITE_3D_H 1
 
 #include "core.hpp"
 #include "sprite.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 struct Sprite3D
@@ -43,4 +43,4 @@ struct Sprite3D
 
 }
 
-#endif /* CANDY_GEAR_VK_SPRITE_3D_H */
+#endif /* CANDY_GEAR_BLUCAT_SPRITE_3D_H */
diff --git a/src/vk/sprite_to_draw.cpp b/src/blucat/sprite_to_draw.cpp
index 76ee847..9013adb 100644
--- a/src/vk/sprite_to_draw.cpp
+++ b/src/blucat/sprite_to_draw.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,7 +16,7 @@
 
 #include "sprite_to_draw.hpp"
 
-namespace VK
+namespace BluCat
 {
   SpriteToDraw::SpriteToDraw(
     std::shared_ptr<Sprite> sprite, const glm::vec4 &position, float z_index):
diff --git a/src/vk/sprite_to_draw.hpp b/src/blucat/sprite_to_draw.hpp
index 84effff..fb46eac 100644
--- a/src/vk/sprite_to_draw.hpp
+++ b/src/blucat/sprite_to_draw.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,15 +14,15 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_SPRITES_TO_DRAW_H
-#define CANDY_GEAR_VK_SPRITES_TO_DRAW_H 1
+#ifndef CANDY_GEAR_BLUCAT_SPRITES_TO_DRAW_H
+#define CANDY_GEAR_BLUCAT_SPRITES_TO_DRAW_H 1
 
 #include <memory>
 
 #include "core.hpp"
 #include "sprite.hpp"
 
-namespace VK
+namespace BluCat
 {
   struct SpriteToDraw
   {
@@ -41,4 +41,4 @@ namespace VK
   operator>(const SpriteToDraw &a, const SpriteToDraw &b);
 }
 
-#endif /* CANDY_GEAR_VK_SPRITES_TO_DRAW_H */
+#endif /* CANDY_GEAR_BLUCAT_SPRITES_TO_DRAW_H */
diff --git a/src/vk/static_mesh.cpp b/src/blucat/static_mesh.cpp
index 29034df..ab45ca9 100644
--- a/src/vk/static_mesh.cpp
+++ b/src/blucat/static_mesh.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -29,19 +29,19 @@ namespace
 struct MeshBuilder
 {
   std::string mesh_path;
-  VK::StaticMesh *mesh;
+  BluCat::StaticMesh *mesh;
 
-  MeshBuilder(VK::StaticMesh *m, std::string mp);
-  MeshBuilder(VK::StaticMesh *m, const char* mp);
+  MeshBuilder(BluCat::StaticMesh *m, std::string mp);
+  MeshBuilder(BluCat::StaticMesh *m, const char* mp);
 };
 
-MeshBuilder::MeshBuilder(VK::StaticMesh *m, std::string mp):
+MeshBuilder::MeshBuilder(BluCat::StaticMesh *m, std::string mp):
   mesh{m},
   mesh_path{mp}
 {
 }
 
-MeshBuilder::MeshBuilder(VK::StaticMesh *m, const char *mp):
+MeshBuilder::MeshBuilder(BluCat::StaticMesh *m, const char *mp):
   MeshBuilder{m, std::string(mp)}
 {
 }
@@ -58,7 +58,7 @@ load_mesh(void *obj)
 
   { // Load vertexes.
     auto vertex_count{input.read_ui32()};
-    std::vector<VK::StaticMeshVertex> vertexes{vertex_count};
+    std::vector<BluCat::StaticMeshVertex> vertexes{vertex_count};
 
     for(auto i{0}; i < vertex_count; i++)
     {
@@ -69,9 +69,9 @@ load_mesh(void *obj)
 
     void *vertexes_data{vertexes.data()};
     size_t vertexes_size = sizeof(vertexes[0]) * vertexes.size();
-    self->mesh->source_vertex_buffer = new VK::SourceBuffer{
+    self->mesh->source_vertex_buffer = new BluCat::SourceBuffer{
       self->mesh->queue_family->device, vertexes_data, vertexes_size};
-    self->mesh->vertex_buffer = new VK::DestinationBuffer{
+    self->mesh->vertex_buffer = new BluCat::DestinationBuffer{
       self->mesh->queue_family, self->mesh->source_vertex_buffer,
       VK_BUFFER_USAGE_VERTEX_BUFFER_BIT};
   }
@@ -85,9 +85,9 @@ load_mesh(void *obj)
 
     void *indexes_data{indexes.data()};
     size_t indexes_size{sizeof(indexes[0]) * indexes.size()};
-    VK::SourceBuffer source_index_buffer{
+    BluCat::SourceBuffer source_index_buffer{
       self->mesh->queue_family->device, indexes_data, indexes_size};
-    self->mesh->index_buffer = new VK::DestinationBuffer{
+    self->mesh->index_buffer = new BluCat::DestinationBuffer{
       self->mesh->queue_family, &source_index_buffer,
       VK_BUFFER_USAGE_INDEX_BUFFER_BIT};
   }
@@ -109,7 +109,7 @@ static const CommandChain loader{
 
 }
 
-namespace VK
+namespace BluCat
 {
 
 StaticMesh::StaticMesh(std::string mesh_path)
diff --git a/src/vk/static_mesh.hpp b/src/blucat/static_mesh.hpp
index 0ab38b2..0efcfc1 100644
--- a/src/vk/static_mesh.hpp
+++ b/src/blucat/static_mesh.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_STATIC_MESH_H
-#define CANDY_GEAR_VK_STATIC_MESH_H 1
+#ifndef CANDY_GEAR_BLUCAT_STATIC_MESH_H
+#define CANDY_GEAR_BLUCAT_STATIC_MESH_H 1
 
 #include <string>
 #include <vector>
@@ -26,7 +26,7 @@
 #include "uniform_buffer.hpp"
 #include "texture.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 struct StaticMesh
@@ -45,4 +45,4 @@ struct StaticMesh
 
 }
 
-#endif /* CANDY_GEAR_VK_STATIC_MESH_H */
+#endif /* CANDY_GEAR_BLUCAT_STATIC_MESH_H */
diff --git a/src/vk/static_mesh_vertex.hpp b/src/blucat/static_mesh_vertex.hpp
index 7a91fe4..025ad63 100644
--- a/src/vk/static_mesh_vertex.hpp
+++ b/src/blucat/static_mesh_vertex.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,12 +14,12 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_STATIC_MESH_VERTEX_H
-#define CANDY_GEAR_VK_STATIC_MESH_VERTEX_H 1
+#ifndef CANDY_GEAR_BLUCAT_STATIC_MESH_VERTEX_H
+#define CANDY_GEAR_BLUCAT_STATIC_MESH_VERTEX_H 1
 
 #include "core.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 struct StaticMeshVertex
@@ -31,4 +31,4 @@ struct StaticMeshVertex
 
 }
 
-#endif /* CANDY_GEAR_VK_STATIC_MESH_VERTEX_H */
+#endif /* CANDY_GEAR_BLUCAT_STATIC_MESH_VERTEX_H */
diff --git a/src/vk/static_model.cpp b/src/blucat/static_model.cpp
index ef53155..e3c6482 100644
--- a/src/vk/static_model.cpp
+++ b/src/blucat/static_model.cpp
@@ -25,14 +25,14 @@ namespace
 void
 load_uniform_buffers(void *obj)
 {
-  auto self = static_cast<VK::StaticModel*>(obj);
+  auto self = static_cast<BluCat::StaticModel*>(obj);
 
   try
   {
     self->uniform_buffers.reserve(cg_core.vk_swapchain->images_count);
     for(auto i{0}; i < cg_core.vk_swapchain->images_count; i++)
       self->uniform_buffers.emplace_back(
-	cg_core.vk_device_with_swapchain, sizeof(VK::UDOStaticModel));
+	cg_core.vk_device_with_swapchain, sizeof(BluCat::UDOStaticModel));
   }
   catch(const std::exception& e)
   {
@@ -43,7 +43,7 @@ load_uniform_buffers(void *obj)
 void
 unload_uniform_buffers(void *obj)
 {
-  auto self = static_cast<VK::StaticModel*>(obj);
+  auto self = static_cast<BluCat::StaticModel*>(obj);
 
   self->uniform_buffers.clear();
 }
@@ -51,7 +51,7 @@ unload_uniform_buffers(void *obj)
 void
 load_descriptor_set_pool(void *obj)
 {
-  auto self = static_cast<VK::StaticModel*>(obj);
+  auto self = static_cast<BluCat::StaticModel*>(obj);
 
   std::array<VkDescriptorPoolSize, 1> descriptor_pool_sizes{};
   descriptor_pool_sizes[0].type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
@@ -75,7 +75,7 @@ load_descriptor_set_pool(void *obj)
 void
 unload_descriptor_set_pool(void *obj)
 {
-  auto self = static_cast<VK::StaticModel*>(obj);
+  auto self = static_cast<BluCat::StaticModel*>(obj);
 
   vkDestroyDescriptorPool(
     self->static_mesh->queue_family->device->device, self->descriptor_pool,
@@ -85,7 +85,7 @@ unload_descriptor_set_pool(void *obj)
 void
 load_descriptor_sets(void *obj)
 {
-  auto self = static_cast<VK::StaticModel*>(obj);
+  auto self = static_cast<BluCat::StaticModel*>(obj);
 
   std::vector<VkDescriptorSetLayout> layouts(
     cg_core.vk_swapchain->images_count,
@@ -107,14 +107,14 @@ load_descriptor_sets(void *obj)
 void
 load_buffers_to_descriptor_sets(void *obj)
 {
-  auto self = static_cast<VK::StaticModel*>(obj);
+  auto self = static_cast<BluCat::StaticModel*>(obj);
 
   for(auto i{0}; i < self->uniform_buffers.size(); i++)
   {
     VkDescriptorBufferInfo buffer_info{};
     buffer_info.buffer = self->uniform_buffers[i].buffer;
     buffer_info.offset = 0;
-    buffer_info.range = sizeof(VK::UDOStaticModel);
+    buffer_info.range = sizeof(BluCat::UDOStaticModel);
 
     std::array<VkWriteDescriptorSet, 1> write_descriptors{};
     write_descriptors[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
@@ -142,7 +142,7 @@ static const CommandChain loader{
 
 }
 
-namespace VK
+namespace BluCat
 {
 
 StaticModel::StaticModel(
diff --git a/src/vk/static_model.hpp b/src/blucat/static_model.hpp
index 72f4fac..68c5ea1 100644
--- a/src/vk/static_model.hpp
+++ b/src/blucat/static_model.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_STATIC_MODEL_H
-#define CANDY_GEAR_VK_STATIC_MODEL_H 1
+#ifndef CANDY_GEAR_BLUCAT_STATIC_MODEL_H
+#define CANDY_GEAR_BLUCAT_STATIC_MODEL_H 1
 
 #include <memory>
 #include <vector>
@@ -23,7 +23,7 @@
 #include "core.hpp"
 #include "static_mesh.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 struct StaticModel
@@ -46,4 +46,4 @@ struct StaticModel
 
 }
 
-#endif /* CANDY_GEAR_VK_STATIC_MODEL_H */
+#endif /* CANDY_GEAR_BLUCAT_STATIC_MODEL_H */
diff --git a/src/vk/swapchain.cpp b/src/blucat/swapchain.cpp
index 2c67ebd..1e521e4 100644
--- a/src/vk/swapchain.cpp
+++ b/src/blucat/swapchain.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -26,7 +26,7 @@ namespace
 void
 load_swapchain(void *obj)
 {
-  auto self = static_cast<VK::Swapchain*>(obj);
+  auto self = static_cast<BluCat::Swapchain*>(obj);
 
   // Surface formats.
   uint32_t vk_surface_format_count;
@@ -80,7 +80,7 @@ load_swapchain(void *obj)
 void
 unload_swapchain(void *obj)
 {
-  auto self = static_cast<VK::Swapchain*>(obj);
+  auto self = static_cast<BluCat::Swapchain*>(obj);
 
   delete[] self->images;
   vkDestroySwapchainKHR(
@@ -90,7 +90,7 @@ unload_swapchain(void *obj)
 void
 load_image_view(void *obj)
 {
-  auto self = static_cast<VK::Swapchain*>(obj);
+  auto self = static_cast<BluCat::Swapchain*>(obj);
 
   self->image_views = new VkImageView[self->images_count];
   for(auto i{0}; i < self->images_count; i++)
@@ -120,7 +120,7 @@ load_image_view(void *obj)
 void
 unload_image_view(void *obj)
 {
-  auto self = static_cast<VK::Swapchain*>(obj);
+  auto self = static_cast<BluCat::Swapchain*>(obj);
 
   for(auto i{0}; i < self->images_count; i++)
     vkDestroyImageView(
@@ -130,7 +130,7 @@ unload_image_view(void *obj)
 void
 load_frame_sync(void *obj)
 {
-  auto self = static_cast<VK::Swapchain*>(obj);
+  auto self = static_cast<BluCat::Swapchain*>(obj);
 
   self->image_available_semaphores.resize(self->max_frames_in_flight);
   self->render_finished_semaphores.resize(self->max_frames_in_flight);
@@ -164,7 +164,7 @@ load_frame_sync(void *obj)
 void
 unload_frame_sync(void *obj)
 {
-  auto self = static_cast<VK::Swapchain*>(obj);
+  auto self = static_cast<BluCat::Swapchain*>(obj);
 
   vkDeviceWaitIdle(cg_core.vk_device_with_swapchain->device);
 
@@ -187,7 +187,7 @@ const CommandChain loader{
 
 }
 
-namespace VK
+namespace BluCat
 {
 
 Swapchain::Swapchain():
diff --git a/src/vk/swapchain.hpp b/src/blucat/swapchain.hpp
index a5ade81..979fe08 100644
--- a/src/vk/swapchain.hpp
+++ b/src/blucat/swapchain.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,13 +14,13 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_SWAPCHAIN_H
-#define CANDY_GEAR_VK_SWAPCHAIN_H 1
+#ifndef CANDY_GEAR_BLUCAT_SWAPCHAIN_H
+#define CANDY_GEAR_BLUCAT_SWAPCHAIN_H 1
 
 #include "core.hpp"
 #include "../command.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 struct Swapchain
@@ -44,4 +44,4 @@ struct Swapchain
 
 }
 
-#endif /* CANDY_GEAR_VK_SWAPCHAIN_H */
+#endif /* CANDY_GEAR_BLUCAT_SWAPCHAIN_H */
diff --git a/src/vk/texture.cpp b/src/blucat/texture.cpp
index a4cac40..1213528 100644
--- a/src/vk/texture.cpp
+++ b/src/blucat/texture.cpp
@@ -35,7 +35,7 @@ create_vulkan_image(
   vk_extent3d.height = height;
   vk_extent3d.depth = 1;
 
-  VK::Image::create(
+  BluCat::Image::create(
     cg_core.vk_device_with_swapchain,
     image,
     device_memory,
@@ -48,24 +48,24 @@ create_vulkan_image(
 
 struct ImageBuilder
 {
-  VK::Texture *texture;
+  BluCat::Texture *texture;
 };
 
 struct ImageTextureBuilder: public ImageBuilder
 {
   std::string texture_path;
 
-  ImageTextureBuilder(VK::Texture *t, std::string tp);
-  ImageTextureBuilder(VK::Texture *t, const char* tp);
+  ImageTextureBuilder(BluCat::Texture *t, std::string tp);
+  ImageTextureBuilder(BluCat::Texture *t, const char* tp);
 };
 
-ImageTextureBuilder::ImageTextureBuilder(VK::Texture *t, std::string tp):
+ImageTextureBuilder::ImageTextureBuilder(BluCat::Texture *t, std::string tp):
   texture_path{tp}
 {
   this->texture = t;
 }
 
-ImageTextureBuilder::ImageTextureBuilder(VK::Texture *t, const char* tp):
+ImageTextureBuilder::ImageTextureBuilder(BluCat::Texture *t, const char* tp):
   ImageTextureBuilder{t, std::string(tp)}
 {
 }
@@ -76,7 +76,7 @@ load_image(void *obj)
   auto self = static_cast<ImageTextureBuilder*>(obj);
 
   const int num_channels = 4; // all images are converted to RGBA
-  VK::QOI::Image qoi_image(self->texture_path.c_str(), num_channels);
+  BluCat::QOI::Image qoi_image(self->texture_path.c_str(), num_channels);
   uint8_t *pixels;
 
   { // Load file image from file.
@@ -90,7 +90,7 @@ load_image(void *obj)
   // Load file image into a vulkan buffer.
   size_t image_size{static_cast<size_t>(
       qoi_image.header.width * qoi_image.header.height * num_channels)};
-  VK::SourceBuffer source_image_buffer{
+  BluCat::SourceBuffer source_image_buffer{
     cg_core.vk_device_with_swapchain, pixels, image_size};
 
   { // Create vulkan image.
@@ -103,7 +103,7 @@ load_image(void *obj)
         self->texture->height,
         self->texture->mip_levels);
     }
-    catch(VK::Image::Error error)
+    catch(BluCat::Image::Error error)
     {
       throw CommandError{error.what()};
     }
@@ -113,11 +113,11 @@ load_image(void *obj)
   {
     auto queue_family = self->texture->queue_family;
     auto queue{queue_family->get_queue()};
-    VK::CommandPool command_pool{queue_family, 1};
+    BluCat::CommandPool command_pool{queue_family, 1};
     VkCommandBuffer vk_command_buffer{command_pool.command_buffers[0]};
 
     queue.submit_one_time_command(vk_command_buffer, [&](){
-      VK::Image::move_image_state(
+      BluCat::Image::move_image_state(
 	vk_command_buffer, self->texture->image, VK_FORMAT_R8G8B8A8_UNORM,
 	0, VK_ACCESS_TRANSFER_WRITE_BIT,
 	VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
@@ -139,7 +139,7 @@ load_image(void *obj)
 	vk_command_buffer, source_image_buffer.buffer, self->texture->image,
 	VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &image_copy);
 
-      VK::Image::move_image_state(
+      BluCat::Image::move_image_state(
 	vk_command_buffer, self->texture->image, VK_FORMAT_R8G8B8A8_UNORM,
 	VK_ACCESS_TRANSFER_WRITE_BIT, VK_ACCESS_SHADER_READ_BIT,
 	VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
@@ -209,12 +209,12 @@ load_view(void *obj)
 
   try
   {
-    VK::Image::create_view(
+    BluCat::Image::create_view(
       cg_core.vk_device_with_swapchain, &self->texture->view,
       self->texture->image,
       VK_FORMAT_R8G8B8A8_UNORM, VK_IMAGE_ASPECT_COLOR_BIT);
   }
-  catch(VK::Image::Error error)
+  catch(BluCat::Image::Error error)
   {
     throw CommandError{error.what()};
   }
@@ -238,9 +238,9 @@ const CommandChain image_loader{
 struct CharacterToDraw
 {
   int pos_x;
-  std::shared_ptr<VK::Character> character;
+  std::shared_ptr<BluCat::Character> character;
 
-  CharacterToDraw(int x, std::shared_ptr<VK::Character> character):
+  CharacterToDraw(int x, std::shared_ptr<BluCat::Character> character):
     pos_x{x},
     character{character}
     {};
@@ -248,12 +248,12 @@ struct CharacterToDraw
 
 struct TextTextureBuilder: public ImageBuilder
 {
-  VK::Font *font;
+  BluCat::Font *font;
   const char* str;
   uint32_t max_bearing_y;
   std::vector<CharacterToDraw> chars_to_draw;
 
-  TextTextureBuilder(VK::Texture *texture, VK::Font *font, const char* str):
+  TextTextureBuilder(BluCat::Texture *texture, BluCat::Font *font, const char* str):
     font{font},
     str{str}
     {
@@ -267,7 +267,7 @@ load_text_proportions(void *obj)
   auto self = static_cast<TextTextureBuilder*>(obj);
 
   uint32_t texture_width{0}, texture_descender{0};
-  auto unicode_text{VK::Character::str_to_unicode(self->str)};
+  auto unicode_text{BluCat::Character::str_to_unicode(self->str)};
 
   auto first_image{self->font->character(unicode_text[0])};
   if(first_image->bearing_x < 0) texture_width = - first_image->bearing_x;
@@ -277,7 +277,7 @@ load_text_proportions(void *obj)
 
   // FIXME: I need to test several different fonts to find all bugs in this
   // code.
-  std::shared_ptr<VK::Character> char_image{};
+  std::shared_ptr<BluCat::Character> char_image{};
   { // Calculate image size
     int max_height;
     for(auto char_code : unicode_text)
@@ -330,7 +330,7 @@ load_text_image(void *obj)
       pixels[image_coord + 3] = 0; // Alpha
     }
   }
-  VK::SourceBuffer source_image_buffer{
+  BluCat::SourceBuffer source_image_buffer{
     cg_core.vk_device_with_swapchain, pixels.data(), image_size};
 
   { // Create vulkan image.
@@ -343,7 +343,7 @@ load_text_image(void *obj)
         self->texture->height,
         self->texture->mip_levels);
     }
-    catch(VK::Image::Error error)
+    catch(BluCat::Image::Error error)
     {
       throw CommandError{error.what()};
     }
@@ -353,11 +353,11 @@ load_text_image(void *obj)
     auto queue_family{
       cg_core.vk_device_with_swapchain->get_queue_family_with_presentation()};
     auto queue{queue_family->get_queue()};
-    VK::CommandPool command_pool{queue_family, 1};
+    BluCat::CommandPool command_pool{queue_family, 1};
     VkCommandBuffer vk_command_buffer{command_pool.command_buffers[0]};
 
     queue.submit_one_time_command(vk_command_buffer, [&](){
-      VK::Image::move_image_state(
+      BluCat::Image::move_image_state(
 	vk_command_buffer, self->texture->image, VK_FORMAT_R8G8B8A8_UNORM,
 	0, VK_ACCESS_TRANSFER_WRITE_BIT,
 	VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
@@ -410,7 +410,7 @@ load_text_image(void *obj)
           1, &image_copy);
       }
 
-      VK::Image::move_image_state(
+      BluCat::Image::move_image_state(
 	vk_command_buffer, self->texture->image, VK_FORMAT_R8G8B8A8_UNORM,
 	VK_ACCESS_TRANSFER_WRITE_BIT, VK_ACCESS_SHADER_READ_BIT,
 	VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
@@ -431,7 +431,7 @@ const CommandChain text_loader{
 void
 load_descriptor_set_pool(void *obj)
 {
-  auto self = static_cast<VK::Texture*>(obj);
+  auto self = static_cast<BluCat::Texture*>(obj);
 
   std::array<VkDescriptorPoolSize, 1> descriptor_pool_sizes{};
   descriptor_pool_sizes[0].type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
@@ -455,7 +455,7 @@ load_descriptor_set_pool(void *obj)
 void
 unload_descriptor_set_pool(void *obj)
 {
-  auto self = static_cast<VK::Texture*>(obj);
+  auto self = static_cast<BluCat::Texture*>(obj);
 
   vkDestroyDescriptorPool(
     self->queue_family->device->device, self->descriptor_pool, nullptr);
@@ -464,7 +464,7 @@ unload_descriptor_set_pool(void *obj)
 void
 load_descriptor_sets(void *obj)
 {
-  auto self = static_cast<VK::Texture*>(obj);
+  auto self = static_cast<BluCat::Texture*>(obj);
 
   std::vector<VkDescriptorSetLayout> layouts(
     cg_core.vk_swapchain->images_count,
@@ -486,7 +486,7 @@ load_descriptor_sets(void *obj)
 void
 load_data_to_descriptor_sets(void *obj)
 {
-  auto self = static_cast<VK::Texture*>(obj);
+  auto self = static_cast<BluCat::Texture*>(obj);
 
   for(auto i{0}; i < cg_core.vk_swapchain->images_count; i++)
   {
@@ -521,7 +521,7 @@ const CommandChain descriptor_loader{
 
 }
 
-namespace VK
+namespace BluCat
 {
 
 Texture::Texture(Font *font, const char* str)
diff --git a/src/vk/texture.hpp b/src/blucat/texture.hpp
index 22711eb..bee61e6 100644
--- a/src/vk/texture.hpp
+++ b/src/blucat/texture.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_TEXTURE_H
-#define CANDY_GEAR_VK_TEXTURE_H 1
+#ifndef CANDY_GEAR_BLUCAT_TEXTURE_H
+#define CANDY_GEAR_BLUCAT_TEXTURE_H 1
 
 #include <string>
 
@@ -23,7 +23,7 @@
 #include "font.hpp"
 #include "queue_family.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 struct Texture
diff --git a/src/vk/uniform_buffer.cpp b/src/blucat/uniform_buffer.cpp
index dd61898..4b6194a 100644
--- a/src/vk/uniform_buffer.cpp
+++ b/src/blucat/uniform_buffer.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -19,7 +19,7 @@
 #include <cstring>
 #include <stdexcept>
 
-namespace VK
+namespace BluCat
 {
 
 UniformBuffer::UniformBuffer(Device *device, VkDeviceSize data_size)
diff --git a/src/vk/uniform_buffer.hpp b/src/blucat/uniform_buffer.hpp
index e978894..2131ee1 100644
--- a/src/vk/uniform_buffer.hpp
+++ b/src/blucat/uniform_buffer.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_UNIFORM_BUFFER_H
-#define CANDY_GEAR_VK_UNIFORM_BUFFER_H 1
+#ifndef CANDY_GEAR_BLUCAT_UNIFORM_BUFFER_H
+#define CANDY_GEAR_BLUCAT_UNIFORM_BUFFER_H 1
 
 #include <memory>
 
@@ -23,7 +23,7 @@
 
 #include "base_buffer.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 // FIXME: this class need to delete or create custom copy constructors!
@@ -46,4 +46,4 @@ public:
 
 }
 
-#endif /* CANDY_GEAR_VK_UNIFORM_BUFFER_H */
+#endif /* CANDY_GEAR_BLUCAT_UNIFORM_BUFFER_H */
diff --git a/src/vk/uniform_data_object.hpp b/src/blucat/uniform_data_object.hpp
index 5cc22cb..d2292b1 100644
--- a/src/vk/uniform_data_object.hpp
+++ b/src/blucat/uniform_data_object.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,13 +14,13 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_UNIFORM_DATA_OBJECT_H
-#define CANDY_GEAR_VK_UNIFORM_DATA_OBJECT_H 1
+#ifndef CANDY_GEAR_BLUCAT_UNIFORM_DATA_OBJECT_H
+#define CANDY_GEAR_BLUCAT_UNIFORM_DATA_OBJECT_H 1
 
 #include "core.hpp"
 #include "skeletal_mesh_vertex.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 // UDO = "uniform data object"
@@ -77,4 +77,4 @@ struct UDOSprite3D
 
 }
 
-#endif /* CANDY_GEAR_VK_UNIFORM_DATA_OBJECT_H */
+#endif /* CANDY_GEAR_BLUCAT_UNIFORM_DATA_OBJECT_H */
diff --git a/src/vk/view_2d.cpp b/src/blucat/view_2d.cpp
index c628a18..f27b4c4 100644
--- a/src/vk/view_2d.cpp
+++ b/src/blucat/view_2d.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -27,14 +27,14 @@ namespace
 void
 load_2d_uniform_buffer(void *obj)
 {
-  auto self = static_cast<VK::View2D*>(obj);
+  auto self = static_cast<BluCat::View2D*>(obj);
 
   try
   {
     self->ub_2d.reserve(cg_core.vk_swapchain->images_count);
     for(auto i{0}; i < cg_core.vk_swapchain->images_count; i++)
       self->ub_2d.emplace_back(
-	cg_core.vk_device_with_swapchain, sizeof(VK::UDOView2D));
+	cg_core.vk_device_with_swapchain, sizeof(BluCat::UDOView2D));
   }
   catch(const std::exception& e)
   {
@@ -45,7 +45,7 @@ load_2d_uniform_buffer(void *obj)
 void
 unload_2d_uniform_buffer(void *obj)
 {
-  auto self = static_cast<VK::View2D*>(obj);
+  auto self = static_cast<BluCat::View2D*>(obj);
 
   self->ub_2d.clear();
 }
@@ -53,7 +53,7 @@ unload_2d_uniform_buffer(void *obj)
 void
 load_descriptor_sets_2d(void *obj)
 {
-  auto self = static_cast<VK::View2D*>(obj);
+  auto self = static_cast<BluCat::View2D*>(obj);
 
   std::vector<VkDescriptorSetLayout> layouts(
     cg_core.vk_swapchain->images_count,
@@ -75,14 +75,14 @@ load_descriptor_sets_2d(void *obj)
 void
 load_resources_to_descriptor_sets_2d(void *obj)
 {
-  auto self = static_cast<VK::View2D*>(obj);
+  auto self = static_cast<BluCat::View2D*>(obj);
 
   for(auto i{0}; i < self->ub_2d.size(); i++)
   {
     VkDescriptorBufferInfo view_2d_info{};
     view_2d_info.buffer = self->ub_2d[i].buffer;
     view_2d_info.offset = 0;
-    view_2d_info.range = sizeof(VK::UDOView2D);
+    view_2d_info.range = sizeof(BluCat::UDOView2D);
 
     std::array<VkWriteDescriptorSet, 1> write_descriptors{};
     write_descriptors[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
@@ -99,7 +99,7 @@ load_resources_to_descriptor_sets_2d(void *obj)
       cg_core.vk_device_with_swapchain->device, write_descriptors.size(),
       write_descriptors.data(), 0, nullptr);
 
-    VK::UDOView2D ubo_view_2d;
+    BluCat::UDOView2D ubo_view_2d;
     ubo_view_2d.proj = glm::ortho(
       0.0f, self->projection_width,
       0.0f, self->projection_height,
@@ -110,7 +110,7 @@ load_resources_to_descriptor_sets_2d(void *obj)
 
 }
 
-namespace VK
+namespace BluCat
 {
 
 const CommandChain View2D::loader{
diff --git a/src/vk/view_2d.hpp b/src/blucat/view_2d.hpp
index ead21e2..b369334 100644
--- a/src/vk/view_2d.hpp
+++ b/src/blucat/view_2d.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_VIEW_2D_H
-#define CANDY_GEAR_VK_VIEW_2D_H 1
+#ifndef CANDY_GEAR_BLUCAT_VIEW_2D_H
+#define CANDY_GEAR_BLUCAT_VIEW_2D_H 1
 
 #include <memory>
 #include <unordered_map>
@@ -25,7 +25,7 @@
 #include "sprite_to_draw.hpp"
 #include "rectangle.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 struct View2D
@@ -57,4 +57,4 @@ protected:
 
 }
 
-#endif /* CANDY_GEAR_VK_VIEW_2D_H */
+#endif /* CANDY_GEAR_BLUCAT_VIEW_2D_H */
diff --git a/src/vk/view_3d.cpp b/src/blucat/view_3d.cpp
index 273874c..4b7b959 100644
--- a/src/vk/view_3d.cpp
+++ b/src/blucat/view_3d.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -27,14 +27,14 @@ namespace
 void
 load_3d_uniform_buffer(void *obj)
 {
-  auto self = static_cast<VK::View3D*>(obj);
+  auto self = static_cast<BluCat::View3D*>(obj);
 
   try
   {
     self->ub_3d.reserve(cg_core.vk_swapchain->images_count);
     for(auto i{0}; i < cg_core.vk_swapchain->images_count; i++)
       self->ub_3d.emplace_back(
-	cg_core.vk_device_with_swapchain, sizeof(VK::UDOView3D));
+	cg_core.vk_device_with_swapchain, sizeof(BluCat::UDOView3D));
   }
   catch(const std::exception& e)
   {
@@ -45,7 +45,7 @@ load_3d_uniform_buffer(void *obj)
 void
 unload_3d_uniform_buffer(void *obj)
 {
-  auto self = static_cast<VK::View3D*>(obj);
+  auto self = static_cast<BluCat::View3D*>(obj);
 
   self->ub_3d.clear();
 }
@@ -53,7 +53,7 @@ unload_3d_uniform_buffer(void *obj)
 void
 load_descriptor_sets_3d(void *obj)
 {
-  auto self = static_cast<VK::View3D*>(obj);
+  auto self = static_cast<BluCat::View3D*>(obj);
 
   std::vector<VkDescriptorSetLayout> layouts(
     cg_core.vk_swapchain->images_count,
@@ -75,14 +75,14 @@ load_descriptor_sets_3d(void *obj)
 void
 load_resources_to_descriptor_sets_3d(void *obj)
 {
-  auto self = static_cast<VK::View3D*>(obj);
+  auto self = static_cast<BluCat::View3D*>(obj);
 
   for(auto i{0}; i < self->ub_3d.size(); i++)
   {
     VkDescriptorBufferInfo view_3d_info{};
     view_3d_info.buffer = self->ub_3d[i].buffer;
     view_3d_info.offset = 0;
-    view_3d_info.range = sizeof(VK::UDOView3D);
+    view_3d_info.range = sizeof(BluCat::UDOView3D);
 
     std::array<VkWriteDescriptorSet, 1> write_descriptors{};
     write_descriptors[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
@@ -112,7 +112,7 @@ const CommandChain descriptor_sets_loader{
 
 }
 
-namespace VK
+namespace BluCat
 {
 
 View3D::View3D(
@@ -135,7 +135,7 @@ View3D::load_descriptor_sets(VkDescriptorPool descriptor_pool)
 {
   if(this->descriptor_pool != VK_NULL_HANDLE) return;
 
-  auto parent = dynamic_cast<VK::View2D*>(this);
+  auto parent = dynamic_cast<BluCat::View2D*>(this);
   this->descriptor_pool = descriptor_pool;
   View2D::descriptor_sets_loader.execute(parent);
   ::descriptor_sets_loader.execute(this);
@@ -146,7 +146,7 @@ View3D::unload_descriptor_sets()
 {
   if(this->descriptor_pool == VK_NULL_HANDLE) return;
 
-  auto parent = dynamic_cast<VK::View2D*>(this);
+  auto parent = dynamic_cast<BluCat::View2D*>(this);
   this->descriptor_pool = VK_NULL_HANDLE;
   ::descriptor_sets_loader.revert(this);
   View2D::descriptor_sets_loader.revert(parent);
diff --git a/src/vk/view_3d.hpp b/src/blucat/view_3d.hpp
index c5a803b..05cae6b 100644
--- a/src/vk/view_3d.hpp
+++ b/src/blucat/view_3d.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,12 +14,12 @@
  * limitations under the License.
  */
 
-#ifndef CANDY_GEAR_VK_VIEW_3D_H
-#define CANDY_GEAR_VK_VIEW_3D_H 1
+#ifndef CANDY_GEAR_BLUCAT_VIEW_3D_H
+#define CANDY_GEAR_BLUCAT_VIEW_3D_H 1
 
 #include "view_2d.hpp"
 
-namespace VK
+namespace BluCat
 {
 
 struct View3D: public View2D
@@ -45,4 +45,4 @@ struct View3D: public View2D
 
 }
 
-#endif /* CANDY_GEAR_VK_VIEW_3D_H */
+#endif /* CANDY_GEAR_BLUCAT_VIEW_3D_H */
diff --git a/src/candy_gear.cpp b/src/candy_gear.cpp
index 426db4b..78bb716 100644
--- a/src/candy_gear.cpp
+++ b/src/candy_gear.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -42,8 +42,8 @@ cg_mCandyGear_set_views(mrb_state *mrb, mrb_value self)
   mrb_value *array;
   mrb_int array_len;
 
-  std::vector<std::shared_ptr<VK::View2D>> views_2d;
-  std::vector<std::shared_ptr<VK::View3D>> views_3d;
+  std::vector<std::shared_ptr<BluCat::View2D>> views_2d;
+  std::vector<std::shared_ptr<BluCat::View3D>> views_3d;
 
   cg_m = mrb_module_get(mrb, "CandyGear");
   cg_cView2D = mrb_class_get_under(mrb, cg_m, "View2D");
@@ -54,12 +54,12 @@ cg_mCandyGear_set_views(mrb_state *mrb, mrb_value self)
   {
     if(mrb_obj_is_kind_of(mrb, array[i], cg_cView2D))
     {
-      auto v = (std::shared_ptr<VK::View2D>*)DATA_PTR(array[i]);
+      auto v = (std::shared_ptr<BluCat::View2D>*)DATA_PTR(array[i]);
       views_2d.push_back(*v);
     }
     else if(mrb_obj_is_kind_of(mrb, array[i], cg_cView3D))
     {
-      auto v = (std::shared_ptr<VK::View3D>*)DATA_PTR(array[i]);
+      auto v = (std::shared_ptr<BluCat::View3D>*)DATA_PTR(array[i]);
       views_3d.push_back(*v);
     }
   }
@@ -68,7 +68,7 @@ cg_mCandyGear_set_views(mrb_state *mrb, mrb_value self)
   if(views_2d.size() > 0 || views_3d.size() > 0)
   {
     delete cg_core.vk_renderer;
-    cg_core.vk_renderer = new VK::Renderer({views_2d, views_3d});
+    cg_core.vk_renderer = new BluCat::Renderer({views_2d, views_3d});
   }
 
   return self;
diff --git a/src/core.cpp b/src/core.cpp
index 1aeb111..f524e36 100644
--- a/src/core.cpp
+++ b/src/core.cpp
@@ -258,7 +258,7 @@ unload_font_library(void *obj)
 }
 
 void
-load_vk_instance(void *obj)
+load_blucat_instance(void *obj)
 {
   std::vector<const char*> vk_extensions;
   std::vector<const char*> vk_required_layers_names;
@@ -397,7 +397,7 @@ load_vk_instance(void *obj)
 }
 
 void
-unload_vk_instance(void *obj)
+unload_blucat_instance(void *obj)
 {
   vkDestroyInstance(cg_core.vk_instance, nullptr);
 }
@@ -422,14 +422,14 @@ unload_window_surface(void *obj)
 
 #ifdef DEBUG
 void
-load_vk_debug_callback(void *obj)
+load_blucat_debug_callback(void *obj)
 {
   PFN_vkCreateDebugUtilsMessengerEXT debug_messenger;
 
   // A Vulkan instance extension named VK_EXT_debug_utils and a Vulkan instance
   // layer named VK_LAYER_LUNARG_standard_validation are required to enable
   // this callback. These instance extension and instance layer are loaded at
-  // Instance::load_vk_instance.
+  // Instance::load_blucat_instance.
   VkDebugUtilsMessengerCreateInfoEXT create_info;
   create_info.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT;
   create_info.pNext = nullptr;
@@ -455,7 +455,7 @@ load_vk_debug_callback(void *obj)
 }
 
 void
-unload_vk_debug_callback(void *obj)
+unload_blucat_debug_callback(void *obj)
 {
   PFN_vkDestroyDebugUtilsMessengerEXT debug_messenger;
 
@@ -468,7 +468,7 @@ unload_vk_debug_callback(void *obj)
 #endif
 
 void
-load_vk_devices(void *obj)
+load_blucat_devices(void *obj)
 {
   uint32_t devices_count;
   std::vector<VkPhysicalDevice> vk_physical_devices;
@@ -502,15 +502,15 @@ load_vk_devices(void *obj)
 }
 
 void
-unload_vk_devices(void *obj)
+unload_blucat_devices(void *obj)
 {
   cg_core.vk_devices.clear();
 }
 
 static void
-load_vk_swapchain(void *obj)
+load_blucat_swapchain(void *obj)
 {
-  try { cg_core.vk_swapchain = new VK::Swapchain(); }
+  try { cg_core.vk_swapchain = new BluCat::Swapchain(); }
   catch(const CommandError &error)
   {
     std::string error_message{"Failed to create swapchain → "};
@@ -520,17 +520,17 @@ load_vk_swapchain(void *obj)
 }
 
 void
-unload_vk_swapchain(void *obj)
+unload_blucat_swapchain(void *obj)
 {
   delete cg_core.vk_swapchain;
 }
 
 void
-load_vk_framebuffer(void *obj)
+load_blucat_framebuffer(void *obj)
 {
   try
   {
-    cg_core.vk_framebuffer = new VK::Framebuffer();
+    cg_core.vk_framebuffer = new BluCat::Framebuffer();
   }
   catch(const CommandError &e)
   {
@@ -539,17 +539,17 @@ load_vk_framebuffer(void *obj)
 }
 
 void
-unload_vk_framebuffer(void *obj)
+unload_blucat_framebuffer(void *obj)
 {
   delete cg_core.vk_framebuffer;
 }
 
 void
-load_vk_render_pass(void *obj)
+load_blucat_render_pass(void *obj)
 {
   try
   {
-    cg_core.vk_render_pass = new VK::RenderPass();
+    cg_core.vk_render_pass = new BluCat::RenderPass();
   }
   catch(const CommandError &e)
   {
@@ -558,17 +558,17 @@ load_vk_render_pass(void *obj)
 }
 
 void
-unload_vk_render_pass(void *obj)
+unload_blucat_render_pass(void *obj)
 {
   delete cg_core.vk_render_pass;
 }
 
 void
-load_vk_descriptor_set_layout(void *obj)
+load_blucat_descriptor_set_layout(void *obj)
 {
   try
   {
-    cg_core.vk_descriptor_set_layout = new VK::DescriptorSetLayout();
+    cg_core.vk_descriptor_set_layout = new BluCat::DescriptorSetLayout();
   }
   catch(const CommandError &e)
   {
@@ -577,18 +577,18 @@ load_vk_descriptor_set_layout(void *obj)
 }
 
 void
-unload_vk_descriptor_set_layout(void *obj)
+unload_blucat_descriptor_set_layout(void *obj)
 {
   delete cg_core.vk_descriptor_set_layout;
 }
 
 void
-load_vk_graphics_pipeline_3d_layout(void *obj)
+load_blucat_graphics_pipeline_3d_layout(void *obj)
 {
   try
   {
     cg_core.vk_graphics_pipeline_3d_layout =
-      new VK::GraphicsPipeline3DLayout();
+      new BluCat::GraphicsPipeline3DLayout();
   }
   catch(const CommandError &e)
   {
@@ -597,18 +597,18 @@ load_vk_graphics_pipeline_3d_layout(void *obj)
 }
 
 void
-unload_vk_graphics_pipeline_3d_layout(void *obj)
+unload_blucat_graphics_pipeline_3d_layout(void *obj)
 {
   delete cg_core.vk_graphics_pipeline_3d_layout;
 }
 
 void
-load_vk_graphics_pipeline_2d_solid_layout(void *obj)
+load_blucat_graphics_pipeline_2d_solid_layout(void *obj)
 {
   try
   {
     cg_core.vk_graphics_pipeline_2d_solid_layout =
-      new VK::GraphicsPipeline2DSolidLayout();
+      new BluCat::GraphicsPipeline2DSolidLayout();
   }
   catch(const CommandError &e)
   {
@@ -617,18 +617,18 @@ load_vk_graphics_pipeline_2d_solid_layout(void *obj)
 }
 
 void
-unload_vk_graphics_pipeline_2d_solid_layout(void *obj)
+unload_blucat_graphics_pipeline_2d_solid_layout(void *obj)
 {
   delete cg_core.vk_graphics_pipeline_2d_solid_layout;
 }
 
 void
-load_vk_graphics_pipeline_2d_wired_layout(void *obj)
+load_blucat_graphics_pipeline_2d_wired_layout(void *obj)
 {
   try
   {
     cg_core.vk_graphics_pipeline_2d_wired_layout =
-      new VK::GraphicsPipeline2DWiredLayout();
+      new BluCat::GraphicsPipeline2DWiredLayout();
   }
   catch(const CommandError &e)
   {
@@ -637,17 +637,17 @@ load_vk_graphics_pipeline_2d_wired_layout(void *obj)
 }
 
 void
-unload_vk_graphics_pipeline_2d_wired_layout(void *obj)
+unload_blucat_graphics_pipeline_2d_wired_layout(void *obj)
 {
   delete cg_core.vk_graphics_pipeline_2d_wired_layout;
 }
 
 void
-load_vk_light(void *obj)
+load_blucat_light(void *obj)
 {
   try
   {
-    cg_core.vk_light = new VK::Light();
+    cg_core.vk_light = new BluCat::Light();
   }
   catch(const CommandError &e)
   {
@@ -656,18 +656,18 @@ load_vk_light(void *obj)
 }
 
 void
-unload_vk_light(void *obj)
+unload_blucat_light(void *obj)
 {
   delete cg_core.vk_light;
 }
 
 void
-load_vk_graphics_pipeline_3d(void *obj)
+load_blucat_graphics_pipeline_3d(void *obj)
 {
   try
   {
     cg_core.vk_graphics_pipeline_3d =
-      std::make_unique<VK::GraphicsPipeline3D>();
+      std::make_unique<BluCat::GraphicsPipeline3D>();
   }
   catch(const CommandError &e)
   {
@@ -676,18 +676,18 @@ load_vk_graphics_pipeline_3d(void *obj)
 }
 
 void
-unload_vk_graphics_pipeline_3d(void *obj)
+unload_blucat_graphics_pipeline_3d(void *obj)
 {
   cg_core.vk_graphics_pipeline_3d = nullptr;
 }
 
 void
-load_vk_graphics_pipeline_3d_skeletal(void *obj)
+load_blucat_graphics_pipeline_3d_skeletal(void *obj)
 {
   try
   {
     cg_core.vk_graphics_pipeline_3d_skeletal =
-      std::make_unique<VK::GraphicsPipeline3DSkeletal>();
+      std::make_unique<BluCat::GraphicsPipeline3DSkeletal>();
   }
   catch(const CommandError &e)
   {
@@ -696,18 +696,18 @@ load_vk_graphics_pipeline_3d_skeletal(void *obj)
 }
 
 void
-unload_vk_graphics_pipeline_3d_skeletal(void *obj)
+unload_blucat_graphics_pipeline_3d_skeletal(void *obj)
 {
   cg_core.vk_graphics_pipeline_3d_skeletal = nullptr;
 }
 
 void
-load_vk_graphics_pipeline_sprite_3d(void *obj)
+load_blucat_graphics_pipeline_sprite_3d(void *obj)
 {
   try
   {
     cg_core.vk_graphics_pipeline_sprite_3d =
-      std::make_unique<VK::GraphicsPipelineSprite3D>();
+      std::make_unique<BluCat::GraphicsPipelineSprite3D>();
   }
   catch(const CommandError &e)
   {
@@ -716,18 +716,18 @@ load_vk_graphics_pipeline_sprite_3d(void *obj)
 }
 
 void
-unload_vk_graphics_pipeline_sprite_3d(void *obj)
+unload_blucat_graphics_pipeline_sprite_3d(void *obj)
 {
   cg_core.vk_graphics_pipeline_sprite_3d = nullptr;
 }
 
 void
-load_vk_graphics_pipeline_2d_solid(void *obj)
+load_blucat_graphics_pipeline_2d_solid(void *obj)
 {
   try
   {
     cg_core.vk_graphics_pipeline_2d_solid =
-      std::make_unique<VK::GraphicsPipeline2DSolid>();
+      std::make_unique<BluCat::GraphicsPipeline2DSolid>();
   }
   catch(const CommandError &e)
   {
@@ -736,18 +736,18 @@ load_vk_graphics_pipeline_2d_solid(void *obj)
 }
 
 void
-unload_vk_graphics_pipeline_2d_solid(void *obj)
+unload_blucat_graphics_pipeline_2d_solid(void *obj)
 {
   cg_core.vk_graphics_pipeline_2d_solid = nullptr;
 }
 
 void
-load_vk_graphics_pipeline_2d_wired(void *obj)
+load_blucat_graphics_pipeline_2d_wired(void *obj)
 {
   try
   {
     cg_core.vk_graphics_pipeline_2d_wired =
-      std::make_unique<VK::GraphicsPipeline2DWired>();
+      std::make_unique<BluCat::GraphicsPipeline2DWired>();
   }
   catch(const CommandError &e)
   {
@@ -756,13 +756,13 @@ load_vk_graphics_pipeline_2d_wired(void *obj)
 }
 
 void
-unload_vk_graphics_pipeline_2d_wired(void *obj)
+unload_blucat_graphics_pipeline_2d_wired(void *obj)
 {
   cg_core.vk_graphics_pipeline_2d_wired = nullptr;
 }
 
 void
-load_vk_renderer(void *obj)
+load_blucat_renderer(void *obj)
 {
   try
   {
@@ -770,9 +770,9 @@ load_vk_renderer(void *obj)
       0.f, 0.f,
       static_cast<float>(cg_core.display_width),
       static_cast<float>(cg_core.display_height));
-    cg_core.vk_renderer = new VK::Renderer(
+    cg_core.vk_renderer = new BluCat::Renderer(
       {},
-      {std::make_shared<VK::View3D>(region, region.z, region.w)});
+      {std::make_shared<BluCat::View3D>(region, region.z, region.w)});
   }
   catch(const CommandError &e)
   {
@@ -781,7 +781,7 @@ load_vk_renderer(void *obj)
 }
 
 void
-unload_vk_renderer(void *obj)
+unload_blucat_renderer(void *obj)
 {
   delete cg_core.vk_renderer;
 }
@@ -818,33 +818,33 @@ const CommandChain cg_sCore::loader{
   {&load_sdl_open_audio, &unload_sdl_open_audio},
   {&load_window, &unload_window},
   {&load_font_library, &unload_font_library},
-  {&load_vk_instance, &unload_vk_instance},
+  {&load_blucat_instance, &unload_blucat_instance},
   {&load_window_surface, &unload_window_surface},
 #ifdef DEBUG
-  {&load_vk_debug_callback, &unload_vk_debug_callback},
+  {&load_blucat_debug_callback, &unload_blucat_debug_callback},
 #endif
-  {&load_vk_devices, &unload_vk_devices},
-  {&load_vk_swapchain, &unload_vk_swapchain},
-
-  {&load_vk_render_pass, &unload_vk_render_pass},
-  {&load_vk_framebuffer, &unload_vk_framebuffer},
-  {&load_vk_descriptor_set_layout, &unload_vk_descriptor_set_layout},
-  {&load_vk_graphics_pipeline_3d_layout,
-   &unload_vk_graphics_pipeline_3d_layout},
-  {&load_vk_graphics_pipeline_2d_solid_layout,
-   &unload_vk_graphics_pipeline_2d_solid_layout},
-  {&load_vk_graphics_pipeline_2d_wired_layout,
-   &unload_vk_graphics_pipeline_2d_wired_layout},
-  {&load_vk_light, &unload_vk_light},
+  {&load_blucat_devices, &unload_blucat_devices},
+  {&load_blucat_swapchain, &unload_blucat_swapchain},
+
+  {&load_blucat_render_pass, &unload_blucat_render_pass},
+  {&load_blucat_framebuffer, &unload_blucat_framebuffer},
+  {&load_blucat_descriptor_set_layout, &unload_blucat_descriptor_set_layout},
+  {&load_blucat_graphics_pipeline_3d_layout,
+   &unload_blucat_graphics_pipeline_3d_layout},
+  {&load_blucat_graphics_pipeline_2d_solid_layout,
+   &unload_blucat_graphics_pipeline_2d_solid_layout},
+  {&load_blucat_graphics_pipeline_2d_wired_layout,
+   &unload_blucat_graphics_pipeline_2d_wired_layout},
+  {&load_blucat_light, &unload_blucat_light},
   // TODO: finish skeletal mesh animation
-	{&load_vk_graphics_pipeline_3d_skeletal,
-	 &unload_vk_graphics_pipeline_3d_skeletal},
-  {&load_vk_graphics_pipeline_3d, &unload_vk_graphics_pipeline_3d},
-  {&load_vk_graphics_pipeline_sprite_3d,
-   &unload_vk_graphics_pipeline_sprite_3d},
-  {&load_vk_graphics_pipeline_2d_solid, &unload_vk_graphics_pipeline_2d_solid},
-  {&load_vk_graphics_pipeline_2d_wired, &unload_vk_graphics_pipeline_2d_wired},
-
-  {&load_vk_renderer, &unload_vk_renderer},
+	{&load_blucat_graphics_pipeline_3d_skeletal,
+	 &unload_blucat_graphics_pipeline_3d_skeletal},
+  {&load_blucat_graphics_pipeline_3d, &unload_blucat_graphics_pipeline_3d},
+  {&load_blucat_graphics_pipeline_sprite_3d,
+   &unload_blucat_graphics_pipeline_sprite_3d},
+  {&load_blucat_graphics_pipeline_2d_solid, &unload_blucat_graphics_pipeline_2d_solid},
+  {&load_blucat_graphics_pipeline_2d_wired, &unload_blucat_graphics_pipeline_2d_wired},
+
+  {&load_blucat_renderer, &unload_blucat_renderer},
   {&load_mruby_interface, nullptr}
 };
diff --git a/src/core.hpp b/src/core.hpp
index f9e1e80..c351917 100644
--- a/src/core.hpp
+++ b/src/core.hpp
@@ -49,21 +49,21 @@
 #include "log.hpp"
 #include "worker.hpp"
 
-#include "vk/device.hpp"
-#include "vk/descriptor_set_layout.hpp"
-#include "vk/render_pass.hpp"
-#include "vk/framebuffer.hpp"
-#include "vk/graphics_pipeline_2d_solid_layout.hpp"
-#include "vk/graphics_pipeline_2d_wired_layout.hpp"
-#include "vk/light.hpp"
-#include "vk/graphics_pipeline_2d_solid.hpp"
-#include "vk/graphics_pipeline_2d_wired.hpp"
-#include "vk/graphics_pipeline_3d_layout.hpp"
-#include "vk/graphics_pipeline_3d.hpp"
-#include "vk/graphics_pipeline_3d_skeletal.hpp"
-#include "vk/graphics_pipeline_sprite_3d.hpp"
-#include "vk/renderer.hpp"
-#include "vk/swapchain.hpp"
+#include "blucat/device.hpp"
+#include "blucat/descriptor_set_layout.hpp"
+#include "blucat/render_pass.hpp"
+#include "blucat/framebuffer.hpp"
+#include "blucat/graphics_pipeline_2d_solid_layout.hpp"
+#include "blucat/graphics_pipeline_2d_wired_layout.hpp"
+#include "blucat/light.hpp"
+#include "blucat/graphics_pipeline_2d_solid.hpp"
+#include "blucat/graphics_pipeline_2d_wired.hpp"
+#include "blucat/graphics_pipeline_3d_layout.hpp"
+#include "blucat/graphics_pipeline_3d.hpp"
+#include "blucat/graphics_pipeline_3d_skeletal.hpp"
+#include "blucat/graphics_pipeline_sprite_3d.hpp"
+#include "blucat/renderer.hpp"
+#include "blucat/swapchain.hpp"
 
 extern std::random_device random_seed;
 extern std::mt19937 random_number_generator;
@@ -120,25 +120,25 @@ struct cg_sCore
 #endif
 
   // Vulkan devices.
-  std::vector<VK::Device> vk_devices;
-  VK::Device *vk_device_with_swapchain;
-  VK::Swapchain *vk_swapchain;
-
-  VK::Framebuffer *vk_framebuffer;
-  VK::RenderPass *vk_render_pass;
-  VK::DescriptorSetLayout *vk_descriptor_set_layout;
-  VK::GraphicsPipeline3DLayout *vk_graphics_pipeline_3d_layout;
-  VK::GraphicsPipeline2DSolidLayout *vk_graphics_pipeline_2d_solid_layout;
-  VK::GraphicsPipeline2DWiredLayout *vk_graphics_pipeline_2d_wired_layout;
-  VK::Light *vk_light;
-  std::unique_ptr<VK::GraphicsPipeline3D> vk_graphics_pipeline_3d;
-  std::unique_ptr<VK::GraphicsPipeline3DSkeletal>
+  std::vector<BluCat::Device> vk_devices;
+  BluCat::Device *vk_device_with_swapchain;
+  BluCat::Swapchain *vk_swapchain;
+
+  BluCat::Framebuffer *vk_framebuffer;
+  BluCat::RenderPass *vk_render_pass;
+  BluCat::DescriptorSetLayout *vk_descriptor_set_layout;
+  BluCat::GraphicsPipeline3DLayout *vk_graphics_pipeline_3d_layout;
+  BluCat::GraphicsPipeline2DSolidLayout *vk_graphics_pipeline_2d_solid_layout;
+  BluCat::GraphicsPipeline2DWiredLayout *vk_graphics_pipeline_2d_wired_layout;
+  BluCat::Light *vk_light;
+  std::unique_ptr<BluCat::GraphicsPipeline3D> vk_graphics_pipeline_3d;
+  std::unique_ptr<BluCat::GraphicsPipeline3DSkeletal>
   vk_graphics_pipeline_3d_skeletal;
-  std::unique_ptr<VK::GraphicsPipelineSprite3D> vk_graphics_pipeline_sprite_3d;
-  std::unique_ptr<VK::GraphicsPipeline2DSolid> vk_graphics_pipeline_2d_solid;
-  std::unique_ptr<VK::GraphicsPipeline2DWired> vk_graphics_pipeline_2d_wired;
+  std::unique_ptr<BluCat::GraphicsPipelineSprite3D> vk_graphics_pipeline_sprite_3d;
+  std::unique_ptr<BluCat::GraphicsPipeline2DSolid> vk_graphics_pipeline_2d_solid;
+  std::unique_ptr<BluCat::GraphicsPipeline2DWired> vk_graphics_pipeline_2d_wired;
 
-  VK::Renderer *vk_renderer;
+  BluCat::Renderer *vk_renderer;
 
   bool quit_game;
 };
diff --git a/src/font.cpp b/src/font.cpp
index 21559e1..919d271 100644
--- a/src/font.cpp
+++ b/src/font.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,12 +16,12 @@
 
 #include "font.hpp"
 
-#include "vk/font.hpp"
+#include "blucat/font.hpp"
 
 void
 cg_free_font(mrb_state *mrb, void *obj)
 {
-  auto ptr = static_cast<VK::Font*>(obj);
+  auto ptr = static_cast<BluCat::Font*>(obj);
 
   ptr->~Font();
   mrb_free(mrb, ptr);
@@ -33,18 +33,18 @@ cg_font_type = {"CG_Font", cg_free_font};
 static mrb_value
 cg_cFont_initialize(mrb_state *mrb, mrb_value self)
 {
-  VK::Font *ptr;
+  BluCat::Font *ptr;
   const char *font_path;
   mrb_int font_size;
 
   mrb_get_args(mrb, "zi", &font_path, &font_size);
-  ptr = (VK::Font*)DATA_PTR(self);
+  ptr = (BluCat::Font*)DATA_PTR(self);
   if(ptr) mrb_free(mrb, ptr);
-  ptr = (VK::Font*)mrb_malloc(mrb, sizeof(VK::Font));
+  ptr = (BluCat::Font*)mrb_malloc(mrb, sizeof(BluCat::Font));
 
   try
   {
-    new(ptr)VK::Font(font_path, font_size);
+    new(ptr)BluCat::Font(font_path, font_size);
   }
   catch(const std::invalid_argument &e)
   {
diff --git a/src/skeletal_mesh.cpp b/src/skeletal_mesh.cpp
index b9d4b0e..90cbeee 100644
--- a/src/skeletal_mesh.cpp
+++ b/src/skeletal_mesh.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,12 +18,12 @@
 
 #include "orientation_3d.hpp"
 #include "vector_3d.hpp"
-#include "vk/skeletal_mesh.hpp"
+#include "blucat/skeletal_mesh.hpp"
 
 void
 cg_free_skeletal_mesh(mrb_state *mrb, void* obj)
 {
-  auto ptr = static_cast<std::shared_ptr<VK::SkeletalMesh>*>(obj);
+  auto ptr = static_cast<std::shared_ptr<BluCat::SkeletalMesh>*>(obj);
 
   ptr->~shared_ptr();
   mrb_free(mrb, ptr);
@@ -37,16 +37,16 @@ cg_cSkeletalMesh_initialize(mrb_state *mrb, mrb_value self)
 {
   const char *file_path;
 
-  std::shared_ptr<VK::SkeletalMesh> *ptr;
+  std::shared_ptr<BluCat::SkeletalMesh> *ptr;
 
   mrb_get_args(mrb, "z", &file_path);
-  ptr = (std::shared_ptr<VK::SkeletalMesh>*)DATA_PTR(self);
+  ptr = (std::shared_ptr<BluCat::SkeletalMesh>*)DATA_PTR(self);
   if(ptr) mrb_free(mrb, ptr);
-  ptr = (std::shared_ptr<VK::SkeletalMesh>*)mrb_malloc(
-    mrb, sizeof(std::shared_ptr<VK::SkeletalMesh>));
+  ptr = (std::shared_ptr<BluCat::SkeletalMesh>*)mrb_malloc(
+    mrb, sizeof(std::shared_ptr<BluCat::SkeletalMesh>));
 
-  new(ptr)std::shared_ptr<VK::SkeletalMesh>(
-    std::make_shared<VK::SkeletalMesh>(file_path));
+  new(ptr)std::shared_ptr<BluCat::SkeletalMesh>(
+    std::make_shared<BluCat::SkeletalMesh>(file_path));
 
   mrb_data_init(self, ptr, &cg_skeletal_mesh_type);
   return self;
diff --git a/src/skeletal_model.cpp b/src/skeletal_model.cpp
index a8dc62a..3a3596e 100644
--- a/src/skeletal_model.cpp
+++ b/src/skeletal_model.cpp
@@ -20,12 +20,12 @@
 #include "vector_3d.hpp"
 #include "skeletal_mesh.hpp"
 #include "texture.hpp"
-#include "vk/skeletal_model.hpp"
+#include "blucat/skeletal_model.hpp"
 
 void
 cg_free_skeletal_model(mrb_state *mrb, void *obj)
 {
-  auto ptr = static_cast<std::shared_ptr<VK::SkeletalModel>*>(obj);
+  auto ptr = static_cast<std::shared_ptr<BluCat::SkeletalModel>*>(obj);
 
   ptr->~shared_ptr();
   mrb_free(mrb, ptr);
@@ -37,23 +37,23 @@ const struct mrb_data_type cg_skeletal_model_type = {
 static mrb_value
 cg_cSkeletalModel_initialize(mrb_state *mrb, mrb_value self)
 {
-  std::shared_ptr<VK::SkeletalMesh> *skeletal_mesh;
-  std::shared_ptr<VK::Texture> *texture;
+  std::shared_ptr<BluCat::SkeletalMesh> *skeletal_mesh;
+  std::shared_ptr<BluCat::Texture> *texture;
   std::shared_ptr<glm::vec3> *position;
   std::shared_ptr<glm::quat> *orientation;
-  std::shared_ptr<VK::SkeletalModel> *ptr;
+  std::shared_ptr<BluCat::SkeletalModel> *ptr;
 
   mrb_get_args(
     mrb, "dddd", &skeletal_mesh, &cg_skeletal_mesh_type, &texture,
     &cg_texture_type, &position, &cg_vector_3d_type, &orientation,
     &cg_orientation_3d_type);
-  ptr = (std::shared_ptr<VK::SkeletalModel>*)DATA_PTR(self);
+  ptr = (std::shared_ptr<BluCat::SkeletalModel>*)DATA_PTR(self);
   if(ptr) mrb_free(mrb, ptr);
-  ptr = (std::shared_ptr<VK::SkeletalModel>*)mrb_malloc(
-    mrb, sizeof(std::shared_ptr<VK::SkeletalModel>));
+  ptr = (std::shared_ptr<BluCat::SkeletalModel>*)mrb_malloc(
+    mrb, sizeof(std::shared_ptr<BluCat::SkeletalModel>));
 
-  new(ptr)std::shared_ptr<VK::SkeletalModel>(
-    std::make_shared<VK::SkeletalModel>(
+  new(ptr)std::shared_ptr<BluCat::SkeletalModel>(
+    std::make_shared<BluCat::SkeletalModel>(
       *skeletal_mesh, *texture, *position, *orientation));
 
   mrb_data_init(self, ptr, &cg_skeletal_model_type);
@@ -63,7 +63,7 @@ cg_cSkeletalModel_initialize(mrb_state *mrb, mrb_value self)
 static mrb_value
 cg_cSkeletalModel_set_orientation(mrb_state *mrb, mrb_value self)
 {
-  auto ptr = (std::shared_ptr<VK::SkeletalModel>*)DATA_PTR(self);
+  auto ptr = (std::shared_ptr<BluCat::SkeletalModel>*)DATA_PTR(self);
   std::shared_ptr<glm::quat> *orientation;
 
   mrb_get_args(mrb, "d", &orientation, &cg_orientation_3d_type);
@@ -75,7 +75,7 @@ cg_cSkeletalModel_set_orientation(mrb_state *mrb, mrb_value self)
 static mrb_value
 cg_cSkeletalModel_set_position(mrb_state *mrb, mrb_value self)
 {
-  auto ptr = (std::shared_ptr<VK::SkeletalModel>*)DATA_PTR(self);
+  auto ptr = (std::shared_ptr<BluCat::SkeletalModel>*)DATA_PTR(self);
   std::shared_ptr<glm::vec3> *position;
 
   mrb_get_args(mrb, "d", &position, &cg_vector_3d_type);
@@ -87,7 +87,7 @@ cg_cSkeletalModel_set_position(mrb_state *mrb, mrb_value self)
 static mrb_value
 cg_cSkeletalModel_set_animation(mrb_state *mrb, mrb_value self)
 {
-  auto ptr = (std::shared_ptr<VK::SkeletalModel>*)DATA_PTR(self);
+  auto ptr = (std::shared_ptr<BluCat::SkeletalModel>*)DATA_PTR(self);
   mrb_int animation_index;
 
   mrb_get_args(mrb, "i", &animation_index);
@@ -99,7 +99,7 @@ cg_cSkeletalModel_set_animation(mrb_state *mrb, mrb_value self)
 static mrb_value
 cg_cSkeletalModel_draw(mrb_state *mrb, mrb_value self)
 {
-  auto ptr = (std::shared_ptr<VK::SkeletalModel>*)DATA_PTR(self);
+  auto ptr = (std::shared_ptr<BluCat::SkeletalModel>*)DATA_PTR(self);
 
   auto &instances = cg_core.vk_renderer->skeletal_models_to_draw[
     cg_core.vk_swapchain->current_frame][(*ptr)->skeletal_mesh];
diff --git a/src/sprite.cpp b/src/sprite.cpp
index dba9e22..65a49f7 100644
--- a/src/sprite.cpp
+++ b/src/sprite.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -19,12 +19,12 @@
 #include "texture.hpp"
 #include "vector_4d.hpp"
 #include "view_2d.hpp"
-#include "vk/sprite.hpp"
+#include "blucat/sprite.hpp"
 
 void
 cg_free_sprite(mrb_state *mrb, void* obj)
 {
-  auto ptr = static_cast<std::shared_ptr<VK::Sprite>*>(obj);
+  auto ptr = static_cast<std::shared_ptr<BluCat::Sprite>*>(obj);
 
   ptr->~shared_ptr();
   mrb_free(mrb, ptr);
@@ -37,22 +37,22 @@ cg_cSprite_initialize(mrb_state *mrb, mrb_value self)
 {
   mrb_float x, y, w, h;
   glm::vec4 vector_4d;
-  std::shared_ptr<VK::Texture> *texture;
-  std::shared_ptr<VK::Sprite> *ptr;
+  std::shared_ptr<BluCat::Texture> *texture;
+  std::shared_ptr<BluCat::Sprite> *ptr;
 
   mrb_get_args(
     mrb, "dffff", &texture, &cg_texture_type, &x, &y, &w, &h);
-  ptr = (std::shared_ptr<VK::Sprite>*)DATA_PTR(self);
+  ptr = (std::shared_ptr<BluCat::Sprite>*)DATA_PTR(self);
   if(ptr) mrb_free(mrb, ptr);
-  ptr = (std::shared_ptr<VK::Sprite>*)mrb_malloc(
-    mrb, sizeof(std::shared_ptr<VK::Sprite>));
+  ptr = (std::shared_ptr<BluCat::Sprite>*)mrb_malloc(
+    mrb, sizeof(std::shared_ptr<BluCat::Sprite>));
 
   vector_4d.x = x;
   vector_4d.y = y;
   vector_4d.z = w;
   vector_4d.w = h;
-  new(ptr)std::shared_ptr<VK::Sprite>(
-    std::make_shared<VK::Sprite>(*texture, vector_4d));
+  new(ptr)std::shared_ptr<BluCat::Sprite>(
+    std::make_shared<BluCat::Sprite>(*texture, vector_4d));
 
   mrb_data_init(self, ptr, &cg_sprite_type);
   return self;
@@ -62,9 +62,9 @@ static mrb_value
 cg_cSprite_draw(mrb_state *mrb, mrb_value self)
 {
   mrb_value view_value;
-  VK::View2D *view_2d;
+  BluCat::View2D *view_2d;
   mrb_float x, y, w, h, z_index{0.0};
-  auto ptr = (std::shared_ptr<VK::Sprite>*)DATA_PTR(self);
+  auto ptr = (std::shared_ptr<BluCat::Sprite>*)DATA_PTR(self);
 
   mrb_get_args(mrb, "offff|f", &view_value, &x, &y, &w, &h, &z_index);
 
diff --git a/src/sprite_3d.cpp b/src/sprite_3d.cpp
index 3e4e29d..d0e3319 100644
--- a/src/sprite_3d.cpp
+++ b/src/sprite_3d.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,7 +22,7 @@
 void
 cg_free_sprite_3d(mrb_state *mrb, void *obj)
 {
-  auto ptr = static_cast<std::shared_ptr<VK::Sprite3D>*>(obj);
+  auto ptr = static_cast<std::shared_ptr<BluCat::Sprite3D>*>(obj);
 
   ptr->~shared_ptr();
   mrb_free(mrb, ptr);
@@ -34,21 +34,21 @@ const struct mrb_data_type cg_sprite_3d_type = {
 static mrb_value
 cg_cSprite3D_initialize(mrb_state *mrb, mrb_value self)
 {
-  std::shared_ptr<VK::Sprite> *sprite;
+  std::shared_ptr<BluCat::Sprite> *sprite;
   std::shared_ptr<glm::vec3> *position;
   mrb_float w, h;
-  std::shared_ptr<VK::Sprite3D> *ptr;
+  std::shared_ptr<BluCat::Sprite3D> *ptr;
 
   mrb_get_args(mrb, "ddff", &sprite, &cg_sprite_type,
 	       &position, &cg_vector_3d_type, &w, &h);
-  ptr = (std::shared_ptr<VK::Sprite3D>*)DATA_PTR(self);
+  ptr = (std::shared_ptr<BluCat::Sprite3D>*)DATA_PTR(self);
   if(ptr) mrb_free(mrb, ptr);
-  ptr = (std::shared_ptr<VK::Sprite3D>*)mrb_malloc(
-    mrb, sizeof(std::shared_ptr<VK::Sprite3D>));
+  ptr = (std::shared_ptr<BluCat::Sprite3D>*)mrb_malloc(
+    mrb, sizeof(std::shared_ptr<BluCat::Sprite3D>));
 
   glm::vec3 size{w, h, 0.0};
-  new(ptr)std::shared_ptr<VK::Sprite3D>(
-    std::make_shared<VK::Sprite3D>(*sprite, *position, size));
+  new(ptr)std::shared_ptr<BluCat::Sprite3D>(
+    std::make_shared<BluCat::Sprite3D>(*sprite, *position, size));
 
   mrb_data_init(self, ptr, &cg_sprite_3d_type);
   return self;
@@ -57,7 +57,7 @@ cg_cSprite3D_initialize(mrb_state *mrb, mrb_value self)
 static mrb_value
 cg_cSprite3D_draw(mrb_state *mrb, mrb_value self)
 {
-  auto ptr = (std::shared_ptr<VK::Sprite3D>*)DATA_PTR(self);
+  auto ptr = (std::shared_ptr<BluCat::Sprite3D>*)DATA_PTR(self);
 
   auto &sprites_3d_to_draw = cg_core.vk_renderer->sprites_3d_to_draw[
     cg_core.vk_swapchain->current_frame];
diff --git a/src/static_mesh.cpp b/src/static_mesh.cpp
index 17d7be3..3ae616e 100644
--- a/src/static_mesh.cpp
+++ b/src/static_mesh.cpp
@@ -18,12 +18,12 @@
 
 #include "orientation_3d.hpp"
 #include "vector_3d.hpp"
-#include "vk/static_mesh.hpp"
+#include "blucat/static_mesh.hpp"
 
 void
 cg_free_static_mesh(mrb_state *mrb, void* obj)
 {
-  auto ptr = static_cast<std::shared_ptr<VK::StaticMesh>*>(obj);
+  auto ptr = static_cast<std::shared_ptr<BluCat::StaticMesh>*>(obj);
 
   ptr->~shared_ptr();
   mrb_free(mrb, ptr);
@@ -37,16 +37,16 @@ cg_cStaticMesh_initialize(mrb_state *mrb, mrb_value self)
 {
   const char *file_path;
 
-  std::shared_ptr<VK::StaticMesh> *ptr;
+  std::shared_ptr<BluCat::StaticMesh> *ptr;
 
   mrb_get_args(mrb, "z", &file_path);
-  ptr = (std::shared_ptr<VK::StaticMesh>*)DATA_PTR(self);
+  ptr = (std::shared_ptr<BluCat::StaticMesh>*)DATA_PTR(self);
   if(ptr) mrb_free(mrb, ptr);
-  ptr = (std::shared_ptr<VK::StaticMesh>*)mrb_malloc(
-    mrb, sizeof(std::shared_ptr<VK::StaticMesh>));
+  ptr = (std::shared_ptr<BluCat::StaticMesh>*)mrb_malloc(
+    mrb, sizeof(std::shared_ptr<BluCat::StaticMesh>));
 
-  new(ptr)std::shared_ptr<VK::StaticMesh>(
-    std::make_shared<VK::StaticMesh>(file_path));
+  new(ptr)std::shared_ptr<BluCat::StaticMesh>(
+    std::make_shared<BluCat::StaticMesh>(file_path));
 
   mrb_data_init(self, ptr, &cg_static_mesh_type);
   return self;
diff --git a/src/static_model.cpp b/src/static_model.cpp
index eb9e4c9..3dd0c10 100644
--- a/src/static_model.cpp
+++ b/src/static_model.cpp
@@ -20,12 +20,12 @@
 #include "static_mesh.hpp"
 #include "texture.hpp"
 #include "vector_3d.hpp"
-#include "vk/static_model.hpp"
+#include "blucat/static_model.hpp"
 
 void
 cg_free_static_model(mrb_state *mrb, void *obj)
 {
-  auto ptr = static_cast<std::shared_ptr<VK::StaticModel>*>(obj);
+  auto ptr = static_cast<std::shared_ptr<BluCat::StaticModel>*>(obj);
 
   ptr->~shared_ptr();
   mrb_free(mrb, ptr);
@@ -37,23 +37,23 @@ const struct mrb_data_type cg_static_model_type = {
 static mrb_value
 cg_cStaticModel_initialize(mrb_state *mrb, mrb_value self)
 {
-  std::shared_ptr<VK::StaticMesh> *static_mesh;
-  std::shared_ptr<VK::Texture> *texture;
+  std::shared_ptr<BluCat::StaticMesh> *static_mesh;
+  std::shared_ptr<BluCat::Texture> *texture;
   std::shared_ptr<glm::vec3> *position;
   std::shared_ptr<glm::quat> *orientation;
-  std::shared_ptr<VK::StaticModel> *ptr;
+  std::shared_ptr<BluCat::StaticModel> *ptr;
 
   mrb_get_args(
     mrb, "dddd", &static_mesh, &cg_static_mesh_type, &texture,
     &cg_texture_type, &position, &cg_vector_3d_type, &orientation,
     &cg_orientation_3d_type);
-  ptr = (std::shared_ptr<VK::StaticModel>*)DATA_PTR(self);
+  ptr = (std::shared_ptr<BluCat::StaticModel>*)DATA_PTR(self);
   if(ptr) mrb_free(mrb, ptr);
-  ptr = (std::shared_ptr<VK::StaticModel>*)mrb_malloc(
-    mrb, sizeof(std::shared_ptr<VK::StaticModel>));
+  ptr = (std::shared_ptr<BluCat::StaticModel>*)mrb_malloc(
+    mrb, sizeof(std::shared_ptr<BluCat::StaticModel>));
 
-  new(ptr)std::shared_ptr<VK::StaticModel>(
-    std::make_shared<VK::StaticModel>(
+  new(ptr)std::shared_ptr<BluCat::StaticModel>(
+    std::make_shared<BluCat::StaticModel>(
       *static_mesh, *texture, *position, *orientation));
 
   mrb_data_init(self, ptr, &cg_static_model_type);
@@ -63,7 +63,7 @@ cg_cStaticModel_initialize(mrb_state *mrb, mrb_value self)
 static mrb_value
 cg_cStaticModel_set_orientation(mrb_state *mrb, mrb_value self)
 {
-  auto ptr = (std::shared_ptr<VK::StaticModel>*)DATA_PTR(self);
+  auto ptr = (std::shared_ptr<BluCat::StaticModel>*)DATA_PTR(self);
   std::shared_ptr<glm::quat> *orientation;
 
   mrb_get_args(mrb, "d", &orientation, &cg_orientation_3d_type);
@@ -75,7 +75,7 @@ cg_cStaticModel_set_orientation(mrb_state *mrb, mrb_value self)
 static mrb_value
 cg_cStaticModel_set_position(mrb_state *mrb, mrb_value self)
 {
-  auto ptr = (std::shared_ptr<VK::StaticModel>*)DATA_PTR(self);
+  auto ptr = (std::shared_ptr<BluCat::StaticModel>*)DATA_PTR(self);
   std::shared_ptr<glm::vec3> *position;
 
   mrb_get_args(mrb, "d", &position, &cg_vector_3d_type);
@@ -87,8 +87,8 @@ cg_cStaticModel_set_position(mrb_state *mrb, mrb_value self)
 static mrb_value
 cg_cStaticModel_set_texture(mrb_state *mrb, mrb_value self)
 {
-  auto ptr = (std::shared_ptr<VK::StaticModel>*)DATA_PTR(self);
-  std::shared_ptr<VK::Texture> *texture;
+  auto ptr = (std::shared_ptr<BluCat::StaticModel>*)DATA_PTR(self);
+  std::shared_ptr<BluCat::Texture> *texture;
 
   mrb_get_args(mrb, "d", &texture, &cg_texture_type);
   (*ptr)->texture = *texture;
@@ -99,7 +99,7 @@ cg_cStaticModel_set_texture(mrb_state *mrb, mrb_value self)
 static mrb_value
 cg_cStaticModel_draw(mrb_state *mrb, mrb_value self)
 {
-  auto ptr = (std::shared_ptr<VK::StaticModel>*)DATA_PTR(self);
+  auto ptr = (std::shared_ptr<BluCat::StaticModel>*)DATA_PTR(self);
 
   auto &instances = cg_core.vk_renderer->static_models_to_draw[
     cg_core.vk_swapchain->current_frame][(*ptr)->static_mesh];
diff --git a/src/texture.cpp b/src/texture.cpp
index 24cdc95..0bfac25 100644
--- a/src/texture.cpp
+++ b/src/texture.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,12 +18,12 @@
 
 #include "core.hpp"
 #include "font.hpp"
-#include "vk/texture.hpp"
+#include "blucat/texture.hpp"
 
 void
 cg_free_texture(mrb_state *mrb, void* obj)
 {
-  auto *ptr = static_cast<std::shared_ptr<VK::Texture>*>(obj);
+  auto *ptr = static_cast<std::shared_ptr<BluCat::Texture>*>(obj);
 
   ptr->~shared_ptr();
   mrb_free(mrb, ptr);
@@ -48,15 +48,15 @@ cg_cTexture_from_image(mrb_state *mrb, mrb_value self)
 {
   struct mrb_value texture = texture_alloc(mrb, self);
   const char *file_path;
-  std::shared_ptr<VK::Texture> *ptr;
+  std::shared_ptr<BluCat::Texture> *ptr;
 
   mrb_get_args(mrb, "z", &file_path);
-  ptr = (std::shared_ptr<VK::Texture>*)DATA_PTR(texture);
+  ptr = (std::shared_ptr<BluCat::Texture>*)DATA_PTR(texture);
   if(ptr) mrb_free(mrb, ptr);
-  ptr = (std::shared_ptr<VK::Texture>*)mrb_malloc(
-    mrb, sizeof(std::shared_ptr<VK::Texture>));
-  new(ptr)std::shared_ptr<VK::Texture>(
-    std::make_shared<VK::Texture>(file_path));
+  ptr = (std::shared_ptr<BluCat::Texture>*)mrb_malloc(
+    mrb, sizeof(std::shared_ptr<BluCat::Texture>));
+  new(ptr)std::shared_ptr<BluCat::Texture>(
+    std::make_shared<BluCat::Texture>(file_path));
 
   mrb_data_init(texture, ptr, &cg_texture_type);
   return texture;
@@ -68,17 +68,17 @@ cg_cTexture_from_text(mrb_state *mrb, mrb_value self)
   const char *text;
   unsigned int width, height;
   struct mrb_value texture = texture_alloc(mrb, self);
-  VK::Font *font_ptr;
-  std::shared_ptr<VK::Texture> *ptr;
+  BluCat::Font *font_ptr;
+  std::shared_ptr<BluCat::Texture> *ptr;
 
   mrb_get_args(mrb, "dz", &font_ptr, &cg_font_type, &text);
 
-  ptr = (std::shared_ptr<VK::Texture>*)DATA_PTR(texture);
+  ptr = (std::shared_ptr<BluCat::Texture>*)DATA_PTR(texture);
   if(ptr) mrb_free(mrb, ptr);
-  ptr = (std::shared_ptr<VK::Texture>*)mrb_malloc(
-    mrb, sizeof(std::shared_ptr<VK::Texture>));
-  new(ptr)std::shared_ptr<VK::Texture>(
-    std::make_shared<VK::Texture>(font_ptr, text));
+  ptr = (std::shared_ptr<BluCat::Texture>*)mrb_malloc(
+    mrb, sizeof(std::shared_ptr<BluCat::Texture>));
+  new(ptr)std::shared_ptr<BluCat::Texture>(
+    std::make_shared<BluCat::Texture>(font_ptr, text));
 
   mrb_data_init(texture, ptr, &cg_texture_type);
   return texture;
@@ -87,14 +87,14 @@ cg_cTexture_from_text(mrb_state *mrb, mrb_value self)
 static mrb_value
 cg_cTexture_width(mrb_state *mrb, mrb_value self)
 {
-  auto ptr = (std::shared_ptr<VK::Texture>*)DATA_PTR(self);
+  auto ptr = (std::shared_ptr<BluCat::Texture>*)DATA_PTR(self);
   return mrb_int_value(mrb, (*ptr)->width);
 }
 
 static mrb_value
 cg_cTexture_height(mrb_state *mrb, mrb_value self)
 {
-  auto ptr = (std::shared_ptr<VK::Texture>*)DATA_PTR(self);
+  auto ptr = (std::shared_ptr<BluCat::Texture>*)DATA_PTR(self);
   return mrb_int_value(mrb, (*ptr)->height);
 }
 
diff --git a/src/vector_4d.cpp b/src/vector_4d.cpp
index 7bdcbab..ba46bda 100644
--- a/src/vector_4d.cpp
+++ b/src/vector_4d.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -348,7 +348,7 @@ static mrb_value
 cg_cVector4D_draw_rectangle(mrb_state *mrb, mrb_value self)
 {
   mrb_value view_value;
-  VK::View2D *view_2d;
+  BluCat::View2D *view_2d;
   std::shared_ptr<glm::vec3> *color;
   auto ptr = (std::shared_ptr<glm::vec4>*)DATA_PTR(self);
 
@@ -358,7 +358,7 @@ cg_cVector4D_draw_rectangle(mrb_state *mrb, mrb_value self)
 
   glm::vec4 position(
     (*ptr)->x, (*ptr)->y, (*ptr)->x + (*ptr)->z, (*ptr)->y + (*ptr)->w);
-  VK::Rectangle rect{position, (**color)};
+  BluCat::Rectangle rect{position, (**color)};
   auto &rectangles = view_2d->rectangles_to_draw[
     cg_core.vk_swapchain->current_frame];
   rectangles.push_back(rect);
diff --git a/src/view_2d.cpp b/src/view_2d.cpp
index 4a973d6..09cbac1 100644
--- a/src/view_2d.cpp
+++ b/src/view_2d.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -19,13 +19,13 @@
 #include "sprite.hpp"
 #include "vector_4d.hpp"
 #include "view_3d.hpp"
-#include "vk/sprite.hpp"
-#include "vk/view_2d.hpp"
+#include "blucat/sprite.hpp"
+#include "blucat/view_2d.hpp"
 
 void
 cg_free_view_2d(mrb_state *mrb, void* obj)
 {
-  auto ptr = static_cast<std::shared_ptr<VK::View2D>*>(obj);
+  auto ptr = static_cast<std::shared_ptr<BluCat::View2D>*>(obj);
 
   ptr->~shared_ptr();
   mrb_free(mrb, ptr);
@@ -38,35 +38,35 @@ cg_cView2D_initialize(mrb_state *mrb, mrb_value self)
 {
   std::shared_ptr<glm::vec4> *region;
   mrb_float projection_width, projection_height;
-  std::shared_ptr<VK::View2D> *ptr;
+  std::shared_ptr<BluCat::View2D> *ptr;
 
   mrb_get_args(mrb, "dff", &region, &cg_vector_4d_type,
                &projection_width, &projection_height);
-  ptr = (std::shared_ptr<VK::View2D>*)DATA_PTR(self);
+  ptr = (std::shared_ptr<BluCat::View2D>*)DATA_PTR(self);
   if(ptr) mrb_free(mrb, ptr);
-  ptr = (std::shared_ptr<VK::View2D>*)mrb_malloc(
-    mrb, sizeof(std::shared_ptr<VK::View2D>));
+  ptr = (std::shared_ptr<BluCat::View2D>*)mrb_malloc(
+    mrb, sizeof(std::shared_ptr<BluCat::View2D>));
 
-  new(ptr)std::shared_ptr<VK::View2D>(
-    std::make_shared<VK::View2D>(
+  new(ptr)std::shared_ptr<BluCat::View2D>(
+    std::make_shared<BluCat::View2D>(
       *region->get(), projection_width, projection_height));
 
   mrb_data_init(self, ptr, &cg_view_2d_type);
   return self;
 }
 
-VK::View2D*
+BluCat::View2D*
 cg_cView_to_view_2d(mrb_state *mrb, mrb_value view_value)
 {
-  VK::View2D* view_2d;
+  BluCat::View2D* view_2d;
   const mrb_data_type *type = DATA_TYPE(view_value);
 
   if(type == &cg_view_2d_type)
-    view_2d = static_cast<std::shared_ptr<VK::View2D>*>(
+    view_2d = static_cast<std::shared_ptr<BluCat::View2D>*>(
       DATA_PTR(view_value))->get();
   else if (type == &cg_view_3d_type)
-    view_2d = static_cast<VK::View2D*>(
-      static_cast<std::shared_ptr<VK::View3D>*>(
+    view_2d = static_cast<BluCat::View2D*>(
+      static_cast<std::shared_ptr<BluCat::View3D>*>(
         DATA_PTR(view_value))->get());
   else
     mrb_raisef(
diff --git a/src/view_2d.hpp b/src/view_2d.hpp
index f2ff5b6..a18937e 100644
--- a/src/view_2d.hpp
+++ b/src/view_2d.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2023 Frederico de Oliveira Linhares
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,8 +23,8 @@ extern const struct mrb_data_type cg_view_2d_type;
 
 // Receives a mrb_value that points to a View2D or a View3D and returns a
 // pointer to View2D. If the mrb_value points to a View3D, the view will be
-// cast to a VK::View2D.
-VK::View2D*
+// cast to a BluCat::View2D.
+BluCat::View2D*
 cg_cView_to_view_2d(mrb_state *mrb, mrb_value view_value);
 
 void
diff --git a/src/view_3d.cpp b/src/view_3d.cpp
index 7db0015..ddaa3eb 100644
--- a/src/view_3d.cpp
+++ b/src/view_3d.cpp
@@ -20,13 +20,13 @@
 #include "orientation_3d.hpp"
 #include "vector_3d.hpp"
 #include "vector_4d.hpp"
-#include "vk/sprite.hpp"
-#include "vk/view_3d.hpp"
+#include "blucat/sprite.hpp"
+#include "blucat/view_3d.hpp"
 
 void
 cg_free_view_3d(mrb_state *mrb, void* obj)
 {
-  auto ptr = static_cast<std::shared_ptr<VK::View3D>*>(obj);
+  auto ptr = static_cast<std::shared_ptr<BluCat::View3D>*>(obj);
 
   ptr->~shared_ptr();
   mrb_free(mrb, ptr);
@@ -39,17 +39,17 @@ cg_cView3D_initialize(mrb_state *mrb, mrb_value self)
 {
   std::shared_ptr<glm::vec4> *region;
   mrb_float projection_width, projection_height;
-  std::shared_ptr<VK::View3D> *ptr;
+  std::shared_ptr<BluCat::View3D> *ptr;
 
   mrb_get_args(mrb, "dff", &region, &cg_vector_4d_type,
                &projection_width, &projection_height);
-  ptr = (std::shared_ptr<VK::View3D>*)DATA_PTR(self);
+  ptr = (std::shared_ptr<BluCat::View3D>*)DATA_PTR(self);
   if(ptr) mrb_free(mrb, ptr);
-  ptr = (std::shared_ptr<VK::View3D>*)mrb_malloc(
-    mrb, sizeof(std::shared_ptr<VK::View3D>));
+  ptr = (std::shared_ptr<BluCat::View3D>*)mrb_malloc(
+    mrb, sizeof(std::shared_ptr<BluCat::View3D>));
 
-  new(ptr)std::shared_ptr<VK::View3D>(
-    std::make_shared<VK::View3D>(
+  new(ptr)std::shared_ptr<BluCat::View3D>(
+    std::make_shared<BluCat::View3D>(
       *region->get(), projection_width, projection_height));
 
   mrb_data_init(self, ptr, &cg_view_3d_type);
@@ -60,7 +60,7 @@ static mrb_value
 cg_cView3D_set_camera_position(mrb_state *mrb, mrb_value self)
 {
   std::shared_ptr<glm::vec3> *camera_position;
-  auto ptr = (std::shared_ptr<VK::View3D>*)DATA_PTR(self);
+  auto ptr = (std::shared_ptr<BluCat::View3D>*)DATA_PTR(self);
 
   mrb_get_args(mrb, "d", &camera_position, &cg_vector_3d_type);
   (*ptr)->camera_position = (*camera_position);
@@ -72,7 +72,7 @@ static mrb_value
 cg_cView3D_set_camera_orientation(mrb_state *mrb, mrb_value self)
 {
   std::shared_ptr<glm::quat> *camera_orientation;
-  auto ptr = (std::shared_ptr<VK::View3D>*)DATA_PTR(self);
+  auto ptr = (std::shared_ptr<BluCat::View3D>*)DATA_PTR(self);
 
   mrb_get_args(mrb, "d", &camera_orientation, &cg_orientation_3d_type);
   (*ptr)->camera_orientation = (*camera_orientation);
@@ -83,7 +83,7 @@ cg_cView3D_set_camera_orientation(mrb_state *mrb, mrb_value self)
 static mrb_value
 cg_cView3D_get_field_of_view(mrb_state *mrb, mrb_value self)
 {
-  auto ptr = (std::shared_ptr<VK::View3D>*)DATA_PTR(self);
+  auto ptr = (std::shared_ptr<BluCat::View3D>*)DATA_PTR(self);
 
   return mrb_float_value(mrb, (*ptr)->field_of_view);
 
@@ -94,7 +94,7 @@ static mrb_value
 cg_cView3D_set_field_of_view(mrb_state *mrb, mrb_value self)
 {
   mrb_float fov;
-  auto ptr = (std::shared_ptr<VK::View3D>*)DATA_PTR(self);
+  auto ptr = (std::shared_ptr<BluCat::View3D>*)DATA_PTR(self);
 
   mrb_get_args(mrb, "f", &fov);
   (*ptr)->field_of_view = fov;