diff options
author | Frederico Linhares <fred@linhares.blue> | 2023-06-14 17:16:37 -0300 |
---|---|---|
committer | Frederico Linhares <fred@linhares.blue> | 2023-06-17 16:41:47 -0300 |
commit | c4c96f51d36f47a2c7eaefa9f2537cf7ff2c827c (patch) | |
tree | 5aecec86dca4bd69160093d2a969c4a1371113d0 /src/sprite.cpp | |
parent | 482d53c89c90ee2a74d14c1a3e6c2fdab4ce0004 (diff) |
feat Add z index when rendering sprites
* src/sprite.cpp: Add a new parameter to sprites to define the z index
of the image being rendered.
* src/vk/graphics_pipeline_2d_solid.cpp: Sort may not be the most
efficient algorithm, but it is easier to implement. If this code becomes
slow, it can be optimized with little or no changes to the Ruby
interface.
Diffstat (limited to 'src/sprite.cpp')
-rw-r--r-- | src/sprite.cpp | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/src/sprite.cpp b/src/sprite.cpp index 8f25f03..dba9e22 100644 --- a/src/sprite.cpp +++ b/src/sprite.cpp @@ -1,5 +1,5 @@ /* - * Copyright 2022 Frederico de Oliveira Linhares + * Copyright 2022-2023 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. @@ -63,17 +63,17 @@ cg_cSprite_draw(mrb_state *mrb, mrb_value self) { mrb_value view_value; VK::View2D *view_2d; - mrb_float x, y, w, h; + mrb_float x, y, w, h, z_index{0.0}; auto ptr = (std::shared_ptr<VK::Sprite>*)DATA_PTR(self); - mrb_get_args(mrb, "offff", &view_value, &x, &y, &w, &h); + mrb_get_args(mrb, "offff|f", &view_value, &x, &y, &w, &h, &z_index); view_2d = cg_cView_to_view_2d(mrb, view_value); glm::vec4 rect(x, y, x + w, y + h); - auto &positions = view_2d->sprites_to_draw[ - cg_core.vk_swapchain->current_frame][*ptr]; - positions.push_back(rect); + auto &sprites_to_draw = view_2d->sprites_to_draw[ + cg_core.vk_swapchain->current_frame]; + sprites_to_draw.emplace_back(*ptr, rect, z_index); return self; } @@ -88,5 +88,6 @@ cg_sprite_init(mrb_state *mrb) MRB_SET_INSTANCE_TT(cg_cSprite, MRB_TT_DATA); mrb_define_method( mrb, cg_cSprite, "initialize", cg_cSprite_initialize, MRB_ARGS_REQ(5)); - mrb_define_method(mrb, cg_cSprite, "draw", cg_cSprite_draw, MRB_ARGS_REQ(5)); + mrb_define_method(mrb, cg_cSprite, "draw", cg_cSprite_draw, MRB_ARGS_REQ(5)| + MRB_ARGS_OPT(1)); } |