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feat: render 2 rotating cubes side by side

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- Push constant changed from float angle (4B) to mat4 model (64B)
- Two draw calls with different model matrices (x=-1.5 and x=+1.5)
- Both cubes rotate around Y axis at 0.2 rad/s
- 0 validation errors
This commit is contained in:
emil28092005
2026-06-18 13:20:22 +03:00
parent 567d88825d
commit edfcf33578
4 changed files with 12 additions and 13 deletions
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src/Engine.Graphics.Vulkan/VulkanRenderer.cs
+8 -2
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@@ -188,9 +188,15 @@ internal sealed unsafe class VulkanRenderer : IRenderer, Engine.Graphics.IScreen
Vk.vkCmdBindIndexBuffer(cmd, _indexBuffer.Buffer, 0, 1);
float angle = _totalTime * 0.2f;
Vk.vkCmdPushConstants(cmd, _pipeline.PipelineLayout, VkShaderStageFlags.Vertex, 0, 4, &angle);
var angle = _totalTime * 0.2f;
var rot = Matrix4x4.CreateRotationY(angle);
var model1 = Matrix4x4.CreateTranslation(-1.5f, 0, 0) * rot;
Vk.vkCmdPushConstants(cmd, _pipeline.PipelineLayout, VkShaderStageFlags.Vertex, 0, 64, &model1);
Vk.vkCmdDrawIndexed(cmd, _indexCount, 1, 0, 0, 0);
var model2 = Matrix4x4.CreateTranslation(1.5f, 0, 0) * rot;
Vk.vkCmdPushConstants(cmd, _pipeline.PipelineLayout, VkShaderStageFlags.Vertex, 0, 64, &model2);
Vk.vkCmdDrawIndexed(cmd, _indexCount, 1, 0, 0, 0);
Vk.vkCmdEndRendering(cmd);