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Cleanup model shader

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This commit is contained in:
Connor Slade
2025-02-16 11:37:44 -05:00
parent 506c0db84e
commit ce2c5f66b1
1 changed files with 23 additions and 12 deletions
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35
mslicer/src/shaders/model.wgsl
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@@ -1,5 +1,9 @@
@group(0) @binding(0) var<uniform> context: Context; @group(0) @binding(0) var<uniform> context: Context;
const STYLE_NORMAL: u32 = 0;
const STYLE_RANDOM: u32 = 1;
const STYLE_RENDERD: u32 = 2;
struct Context { struct Context {
transform: mat4x4<f32>, transform: mat4x4<f32>,
model_transform: mat4x4<f32>, model_transform: mat4x4<f32>,
@@ -40,21 +44,28 @@ fn frag(in: VertexOutput) -> @location(0) vec4<f32> {
return vec4<f32>(1.0, 0.0, 0.0, 1.0); return vec4<f32>(1.0, 0.0, 0.0, 1.0);
} }
if context.render_style == 0 { switch context.render_style {
return vec4<f32>(normal, 1.0); case STYLE_NORMAL: {
} else if context.render_style == 1 { return vec4<f32>(normal, 1.0);
seed = in.vertex_index; }
return vec4f(rand(), rand(), rand(), 1.0); case STYLE_RANDOM: {
} else { seed = in.vertex_index;
let camera_direction = normalize(context.camera_position + context.camera_target); return vec4f(rand(), rand(), rand(), 1.0);
}
case STYLE_RENDERD: {
let camera_direction = normalize(context.camera_position + context.camera_target);
let diffuse = max(dot(normal, camera_direction), 0.0); let diffuse = max(dot(normal, camera_direction), 0.0);
let reflect_dir = reflect(-camera_direction, normal); let reflect_dir = reflect(-camera_direction, normal);
let specular = pow(max(dot(camera_direction, reflect_dir), 0.0), 32.0); let specular = pow(max(dot(camera_direction, reflect_dir), 0.0), 32.0);
let intensity = (diffuse + specular + 0.1) * context.model_color.rgb; let intensity = (diffuse + specular + 0.1) * context.model_color.rgb;
return vec4<f32>(intensity, context.model_color.a); return vec4<f32>(intensity, context.model_color.a);
}
default: {
return vec4<f32>(0.0);
}
} }
} }