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feat(renderer2d): added a simple draw order to the Renderer2D which can be defined by the draw_index in the Render2D component

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This commit is contained in:
lisk77 2025-10-25 01:43:34 +02:00
parent dab38c1e32
commit ca47efba42
2 changed files with 33 additions and 3 deletions
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15
crates/comet_renderer/src/renderer2d.rs
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@ -686,7 +686,15 @@ impl<'a> Renderer2D<'a> {
return;
}
let entities = scene.get_entities_with(vec![Transform2D::type_id(), Render2D::type_id()]);
let mut entities =
scene.get_entities_with(vec![Transform2D::type_id(), Render2D::type_id()]);
entities.sort_by(|&a, &b| {
let ra = scene.get_component::<Render2D>(a).unwrap();
let rb = scene.get_component::<Render2D>(b).unwrap();
ra.draw_index().cmp(&rb.draw_index())
});
let texts =
scene.get_entities_with(vec![Transform2D::type_id(), comet_ecs::Text::type_id()]);
@ -713,8 +721,9 @@ impl<'a> Renderer2D<'a> {
let region = t_region.unwrap();
let (dim_x, dim_y) = region.dimensions();
let half_width = dim_x as f32 * 0.5;
let half_height = dim_y as f32 * 0.5;
let scale = renderer_component.scale();
let half_width = dim_x as f32 * 0.5 * scale.x();
let half_height = dim_y as f32 * 0.5 * scale.y();
let buffer_size = vertex_buffer.len() as u16;