3D-Demo/jsm/shaders/CopyShader.js

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2022-10-14 16:50:42 +08:00
/**
* Full-screen textured quad shader
*/
const CopyShader = {
uniforms: {
'tDiffuse': { value: null },
'opacity': { value: 1.0 }
},
vertexShader: /* glsl */`
varying vec2 vUv;
void main() {
vUv = uv;
gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
}`,
fragmentShader: /* glsl */`
uniform float opacity;
uniform sampler2D tDiffuse;
varying vec2 vUv;
void main() {
gl_FragColor = texture2D( tDiffuse, vUv );
gl_FragColor.a *= opacity;
}`
};
export { CopyShader };