copyShader top-level property
Full-screen textured quad shader
Implementation
Map<String, dynamic> copyShader = {
"uniforms": {
'tDiffuse': {"value": null},
'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 sampler2D tDiffuse;',
'varying vec2 vUv;',
'void main() {',
' vec4 texel = texture2D( tDiffuse, vUv );',
' gl_FragColor = opacity * texel;',
'}'
].join('\n')
};