fix: add normal-based diffuse lighting so cube is visible as 3D

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- Fragment shader: directional light dot(normal, lightDir) with 0.2 ambient
- Vertex shader: pass normal through mat3(model) to fragment
- Same-color faces now have different shading based on orientation

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emil28092005

2026-06-18 12:39:51 +03:00

parent d6bd1807cf

commit d6ca80c678

4 changed files with 6 additions and 1 deletions

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src/Engine.Graphics.Vulkan/Shaders/triangle.vert.spv

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