Emil_Shanaty/Cortex_Engine
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revert: back to triangle with 3D rotation + depth buffer

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- Hardcoded triangle (RGB vertices) with index buffer
- 3D rotation: RotateZ * RotateX
- Depth buffer + UBO + push constant model matrix retained
- Camera at z=-3, perspective FOV 45°
This commit is contained in:
emil28092005
2026-06-18 12:44:06 +03:00
parent e740cf1214
commit d620bd537f
1 changed files with 12 additions and 6 deletions
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src/Engine.Graphics.Vulkan/VulkanRenderer.cs
+12 -6
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@@ -39,14 +39,20 @@ internal sealed unsafe class VulkanRenderer : IRenderer, Engine.Graphics.IScreen
_frameResources = new VulkanFrameResources(ctx.Device, ctx.GraphicsQueueFamilyIndex,
swapchain.ImageCount, ctx, _pipeline.DescriptorSetLayout);
var mesh = LoadMesh("Content/cube.obj");
_indexCount = (uint)mesh.Indices.Length;
var vertices = new Vertex[]
{
new(new Vector3(-0.5f, -0.5f, 0.0f), new Vector3(1.0f, 0.0f, 0.0f), new Vector3(0, 0, 1)),
new(new Vector3( 0.5f, -0.5f, 0.0f), new Vector3(0.0f, 1.0f, 0.0f), new Vector3(0, 0, 1)),
new(new Vector3( 0.0f, 0.5f, 0.0f), new Vector3(0.0f, 0.0f, 1.0f), new Vector3(0, 0, 1)),
};
var indices = new uint[] { 0, 1, 2 };
_indexCount = 3;
_vertexBuffer = new VulkanVertexBuffer(ctx.Device, ctx.PhysicalDevice,
_frameResources.CommandPool, ctx.GraphicsQueue, ctx, mesh.Vertices);
_frameResources.CommandPool, ctx.GraphicsQueue, ctx, vertices);
_indexBuffer = new VulkanIndexBuffer(ctx.Device, _frameResources.CommandPool,
ctx.GraphicsQueue, ctx, mesh.Indices);
ctx.GraphicsQueue, ctx, indices);
}
private static Mesh LoadMesh(string path)
@@ -189,7 +195,7 @@ internal sealed unsafe class VulkanRenderer : IRenderer, Engine.Graphics.IScreen
Vk.vkCmdBindIndexBuffer(cmd, _indexBuffer.Buffer, 0, 0);
var angle = _totalTime;
var model = Matrix4x4.CreateRotationY(angle) * Matrix4x4.CreateRotationX(angle * 0.5f);
var model = Matrix4x4.CreateRotationZ(angle) * Matrix4x4.CreateRotationX(angle * 0.3f);
Vk.vkCmdPushConstants(cmd, _pipeline.PipelineLayout, VkShaderStageFlags.Vertex, 0, 64, &model);
Vk.vkCmdDrawIndexed(cmd, _indexCount, 1, 0, 0, 0);
@@ -267,7 +273,7 @@ internal sealed unsafe class VulkanRenderer : IRenderer, Engine.Graphics.IScreen
{
var aspect = (float)_swapchain.Extent.Width / (float)_swapchain.Extent.Height;
var proj = Matrix4x4.CreatePerspectiveFieldOfView(MathF.PI / 4f, aspect, 0.1f, 100f);
var view = Matrix4x4.CreateLookAt(new Vector3(0, 0, -2), Vector3.Zero, Vector3.UnitY);
var view = Matrix4x4.CreateLookAt(new Vector3(0, 0, -3), Vector3.Zero, Vector3.UnitY);
return view * proj;
}