three
Version:
JavaScript 3D library
51 lines (31 loc) • 1.08 kB
JavaScript
console.warn( "THREE.BlendShader: 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." );
/**
* Blend two textures
*/
THREE.BlendShader = {
uniforms: {
"tDiffuse1": { value: null },
"tDiffuse2": { value: null },
"mixRatio": { value: 0.5 },
"opacity": { value: 1.0 }
},
vertexShader: [
"varying vec2 vUv;",
"void main() {",
" vUv = uv;",
" gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );",
"}"
].join( "\n" ),
fragmentShader: [
"uniform float opacity;",
"uniform float mixRatio;",
"uniform sampler2D tDiffuse1;",
"uniform sampler2D tDiffuse2;",
"varying vec2 vUv;",
"void main() {",
" vec4 texel1 = texture2D( tDiffuse1, vUv );",
" vec4 texel2 = texture2D( tDiffuse2, vUv );",
" gl_FragColor = opacity * mix( texel1, texel2, mixRatio );",
"}"
].join( "\n" )
};