three
Version:
JavaScript 3D library
47 lines (28 loc) • 1.17 kB
JavaScript
console.warn( "THREE.TechnicolorShader: 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." );
/**
* 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
*/
THREE.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" )
};