refa Use Vulkan for graphics

This is a partial refactory. Some functionalities implemented in
SDL were removed and need reimplementation.

5 files changed, 60 insertions, 91 deletions

diff --git a/test/models/cube.cgmodel b/test/models/cube.cgmodel
new file mode 100644
index 0000000..1cb35a0
--- /dev/null
+++ b/test/models/cube.cgmodel
diff --git a/test/models/tetrahedron.cgmodel b/test/models/tetrahedron.cgmodel
new file mode 100644
index 0000000..7a1f9b9
--- /dev/null
+++ b/test/models/tetrahedron.cgmodel
diff --git a/test/src/main.rb b/test/src/main.rb
index 9e37faa..31affb8 100644
--- a/test/src/main.rb
+++ b/test/src/main.rb
@@ -12,14 +12,70 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+ROTATION_SPEED = Math::PI/45;
+TRANSLATION_SPEED = 0.5;
+
 def init()
-  $mode = Mode::Collision.new();
+  $texture = CandyGear::Texture.from_image("textures/color_texture.png");
+  $model = CandyGear::Model.new("models/cube.cgmodel", $texture);
+
+  $instances = [
+    CandyGear::Model::Instance.new(
+      $model,
+      5.0, 0.0, 0.0,
+      0.0, 0.0, 0.0),
+    CandyGear::Model::Instance.new(
+      $model,
+      -5.0, 0.0, 0.0,
+      0.0, 0.0, 0.0),
+    CandyGear::Model::Instance.new(
+      $model,
+      0.0, 5.0, 0.0,
+      0.0, 0.0, 0.0),
+    CandyGear::Model::Instance.new(
+      $model,
+      0.0, -5.0, 0.0,
+      0.0, 0.0, 0.0),
+    CandyGear::Model::Instance.new(
+      $model,
+      0.0, 0.0, 5.0,
+      0.0, 0.0, 0.0),
+    CandyGear::Model::Instance.new(
+      $model,
+      0.0, 0.0, -5.0,
+      0.0, 0.0, 0.0)
+  ];
+
+  $camera = CandyGear::Camera.new(0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
+  $camera.use();
 end
 
-def key_down(key) = $mode.controller.key_down(key);
+def key_down(key)
+  case key
+  when CandyGear::Key::I
+    $camera.rotate(ROTATION_SPEED, 0.0, 0.0);
+  when CandyGear::Key::K
+    $camera.rotate(-ROTATION_SPEED, 0.0, 0.0);
+  when CandyGear::Key::J
+    $camera.rotate(0.0, ROTATION_SPEED, 0.0);
+  when CandyGear::Key::L
+    $camera.rotate(0.0, -ROTATION_SPEED, 0.0);
+  when CandyGear::Key::E
+    $camera.translate_by_rotation(0.0, 0.0, -TRANSLATION_SPEED);
+  when CandyGear::Key::D
+    $camera.translate_by_rotation(0.0, 0.0, TRANSLATION_SPEED);
+  when CandyGear::Key::S
+    $camera.translate_by_rotation(-TRANSLATION_SPEED, 0.0, 0.0);
+  when CandyGear::Key::F
+    $camera.translate_by_rotation(TRANSLATION_SPEED, 0.0, 0.0);
+  end
+end
 
-def key_up(key) = $mode.controller.key_up(key);
+def key_up(key)
+end
 
 def quit() = CandyGear.quit();
 
-def tick() = $mode.tick();
+def tick()
+  $instances.each {|i| i.draw();};
+end
diff --git a/test/src/mode/collision.rb b/test/src/mode/collision.rb
deleted file mode 100644
index dddfd5a..0000000
--- a/test/src/mode/collision.rb
+++ /dev/null
@@ -1,87 +0,0 @@
-# Copyright 2022 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.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-module Mode
-  class Collision
-    WINDOW_WIDTH = 640;
-    WINDOW_HEIGHT = 360;
-
-    class Square
-      attr_reader(:rect);
-
-      def initialize(x, y, vertical_direction, horizontal_direction)
-        @rect = CandyGear::Rect.new(x, y, 16, 16);
-        @vertical_direction = vertical_direction;
-        @horizontal_direction = horizontal_direction;
-      end
-
-      def x() = @rect.x;
-      def y() = @rect.y;
-
-      def draw() = @rect.draw_fill();
-
-      def tick()
-        case @vertical_direction
-        when :left
-          @rect.x -= 2;
-          @vertical_direction = :right if @rect.x < 0;
-        when :right
-          @rect.x += 2;
-          if @rect.x > WINDOW_WIDTH - @rect.width() then
-            @vertical_direction = :left;
-          end
-        end
-
-        case @horizontal_direction
-        when :up
-          @rect.y -= 2;
-          @horizontal_direction = :down if @rect.y < 0;
-        when :down
-          @rect.y += 2;
-          if @rect.y > WINDOW_HEIGHT - @rect.height() then
-            @horizontal_direction = :up;
-          end
-        end
-      end
-    end
-
-    def initialize()
-      @normal_color = CandyGear::Color.new(0x99, 0x99, 0x99);
-      @collision_color = CandyGear::Color.new(0x99, 0x33, 0x33);
-      @vertical_align_color = CandyGear::Color.new(0x33, 0x99, 0x33);
-      @horizontal_align_color = CandyGear::Color.new(0x33, 0x33, 0x99);
-
-      @square1 = Square.new(213, 120, :left, :down);
-      @square2 = Square.new(427, 240, :right, :down);
-    end
-
-    def tick()
-      @square1.tick();
-      @square2.tick();
-
-      if @square1.rect.collide?(@square2.rect) then
-        CandyGear::Graphic.set_color(@collision_color);
-      elsif @square1.rect.align_horizontally?(@square2.rect) then
-        CandyGear::Graphic.set_color(@horizontal_align_color);
-      elsif @square1.rect.align_vertically?(@square2.rect) then
-        CandyGear::Graphic.set_color(@vertical_align_color);
-      else
-        CandyGear::Graphic.set_color(@normal_color);
-      end
-
-      @square1.draw();
-      @square2.draw();
-    end
-  end
-end
diff --git a/test/textures/color_texture.png b/test/textures/color_texture.png
new file mode 100644
index 0000000..2c02811
--- /dev/null
+++ b/test/textures/color_texture.png