mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-08-23 05:40:44 +02:00
55 lines
1017 B
JavaScript
55 lines
1017 B
JavaScript
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/**
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* @author alteredq / http://alteredqualia.com/
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*
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* Sepia tone shader
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* based on glfx.js sepia shader
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* https://github.com/evanw/glfx.js
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*/
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THREE.SepiaShader = {
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uniforms: {
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"tDiffuse": { type: "t", value: null },
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"amount": { type: "f", value: 1.0 }
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},
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vertexShader: [
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"varying vec2 vUv;",
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"void main() {",
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"vUv = uv;",
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"gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );",
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"}"
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].join("\n"),
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fragmentShader: [
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"uniform float amount;",
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"uniform sampler2D tDiffuse;",
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"varying vec2 vUv;",
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"void main() {",
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"vec4 color = texture2D( tDiffuse, vUv );",
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"vec3 c = color.rgb;",
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"color.r = dot( c, vec3( 1.0 - 0.607 * amount, 0.769 * amount, 0.189 * amount ) );",
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"color.g = dot( c, vec3( 0.349 * amount, 1.0 - 0.314 * amount, 0.168 * amount ) );",
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"color.b = dot( c, vec3( 0.272 * amount, 0.534 * amount, 1.0 - 0.869 * amount ) );",
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"gl_FragColor = vec4( min( vec3( 1.0 ), color.rgb ), color.a );",
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"}"
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].join("\n")
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};
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