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48 lines
906 B
JavaScript
Executable File
48 lines
906 B
JavaScript
Executable File
/**
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* @author flimshaw / http://charliehoey.com
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*
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* Technicolor Shader
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* Simulates the look of the two-strip technicolor process popular in early 20th century films.
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* More historical info here: http://www.widescreenmuseum.com/oldcolor/technicolor1.htm
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* Demo here: http://charliehoey.com/technicolor_shader/shader_test.html
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*/
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THREE.TechnicolorShader = {
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uniforms: {
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"tDiffuse": { type: "t", value: null },
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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 sampler2D tDiffuse;",
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"varying vec2 vUv;",
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"void main() {",
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"vec4 tex = texture2D( tDiffuse, vec2( vUv.x, vUv.y ) );",
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"vec4 newTex = vec4(tex.r, (tex.g + tex.b) * .5, (tex.g + tex.b) * .5, 1.0);",
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"gl_FragColor = newTex;",
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"}"
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].join("\n")
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};
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