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three

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JavaScript 3D library

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console.warn( "THREE.SepiaShader: As part of the transition to ES6 Modules, the files in 'examples/js' were deprecated in May 2020 (r117) and will be deleted in December 2020 (r124). You can find more information about developing using ES6 Modules in https://threejs.org/docs/#manual/en/introduction/Installation." ); /** * Sepia tone shader * based on glfx.js sepia shader * https://github.com/evanw/glfx.js */ THREE.SepiaShader = { uniforms: { "tDiffuse": { value: null }, "amount": { value: 1.0 } }, vertexShader: [ "varying vec2 vUv;", "void main() {", " vUv = uv;", " gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );", "}" ].join( "\n" ), fragmentShader: [ "uniform float amount;", "uniform sampler2D tDiffuse;", "varying vec2 vUv;", "void main() {", " vec4 color = texture2D( tDiffuse, vUv );", " vec3 c = color.rgb;", " color.r = dot( c, vec3( 1.0 - 0.607 * amount, 0.769 * amount, 0.189 * amount ) );", " color.g = dot( c, vec3( 0.349 * amount, 1.0 - 0.314 * amount, 0.168 * amount ) );", " color.b = dot( c, vec3( 0.272 * amount, 0.534 * amount, 1.0 - 0.869 * amount ) );", " gl_FragColor = vec4( min( vec3( 1.0 ), color.rgb ), color.a );", "}" ].join( "\n" ) };