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make colormap respect color

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numzero 2025-11-25 14:51:49 +03:00
parent 059e98c3e3
commit ca460bc0d9
1 changed files with 5 additions and 4 deletions
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9
src/render/colormap.wgsl
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@ -14,9 +14,10 @@ struct Varying {
@group(0) @binding(0) var<uniform> look: LookParams;
fn colormap(light: f32) -> vec3f {
let brightness = 3. * (1. - 1. / (1. + light));
return vec3(brightness, brightness - 1., brightness - 2.);
fn colormap(light: vec3f) -> vec3f {
let avg = dot(light, vec3f(1. / 3.));
let scale = 1. / (1. + avg);
return scale * light;
}
@vertex
@ -28,5 +29,5 @@ fn on_vertex(in: Vertex) -> Varying {
@fragment
fn on_fragment(in: Varying) -> @location(0) vec4f {
return vec4f(colormap(in.color.x), 1.0);
return vec4f(colormap(in.color.rgb), in.color.a);
}