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add the old "lighting" thingy

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griffi-gh 2024-05-13 23:56:31 +02:00
parent db05b0902d
commit e7d81ce7cc
1 changed files with 11 additions and 1 deletions
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12
kubi/shaders/world.wgsl
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@ -39,10 +39,20 @@ var s_diffuse: sampler;
@fragment
fn fs_main(in: VertexOutput) -> @location(0) vec4<f32> {
let color: vec4<f32> = textureSample(t_diffuse, s_diffuse, in.uv, in.tex_index);
// not actual lighting; makes it easier to distinguish unlit faces
let light: f32 =
abs(in.normal.x) + .85 *
abs(in.normal.y) + .65 *
abs(in.normal.z);
let color: vec4<f32> =
textureSample(t_diffuse, s_diffuse, in.uv, in.tex_index)
* vec4<f32>(light, light, light, 1.0);
if (color.a < 0.5) {
discard;
}
return color;
}