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three

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JavaScript 3D library

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/** * Technicolor Shader * Simulates the look of the two-strip technicolor process popular in early 20th century films. * More historical info here: http://www.widescreenmuseum.com/oldcolor/technicolor1.htm * Demo here: http://charliehoey.com/technicolor_shader/shader_test.html */ var TechnicolorShader = { uniforms: { "tDiffuse": { value: null } }, vertexShader: [ "varying vec2 vUv;", "void main() {", " vUv = uv;", " gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );", "}" ].join( "\n" ), fragmentShader: [ "uniform sampler2D tDiffuse;", "varying vec2 vUv;", "void main() {", " vec4 tex = texture2D( tDiffuse, vec2( vUv.x, vUv.y ) );", " vec4 newTex = vec4(tex.r, (tex.g + tex.b) * .5, (tex.g + tex.b) * .5, 1.0);", " gl_FragColor = newTex;", "}" ].join( "\n" ) }; export { TechnicolorShader };