Doodle3D-Slicer/three.js-master/examples/js/postprocessing/FilmPass.js
2015-06-12 15:58:26 +02:00

62 lines
1.5 KiB
JavaScript
Executable File

/**
* @author alteredq / http://alteredqualia.com/
*/
THREE.FilmPass = function ( noiseIntensity, scanlinesIntensity, scanlinesCount, grayscale ) {
if ( THREE.FilmShader === undefined )
console.error( "THREE.FilmPass relies on THREE.FilmShader" );
var shader = THREE.FilmShader;
this.uniforms = THREE.UniformsUtils.clone( shader.uniforms );
this.material = new THREE.ShaderMaterial( {
uniforms: this.uniforms,
vertexShader: shader.vertexShader,
fragmentShader: shader.fragmentShader
} );
if ( grayscale !== undefined ) this.uniforms.grayscale.value = grayscale;
if ( noiseIntensity !== undefined ) this.uniforms.nIntensity.value = noiseIntensity;
if ( scanlinesIntensity !== undefined ) this.uniforms.sIntensity.value = scanlinesIntensity;
if ( scanlinesCount !== undefined ) this.uniforms.sCount.value = scanlinesCount;
this.enabled = true;
this.renderToScreen = false;
this.needsSwap = true;
this.camera = new THREE.OrthographicCamera( -1, 1, 1, -1, 0, 1 );
this.scene = new THREE.Scene();
this.quad = new THREE.Mesh( new THREE.PlaneBufferGeometry( 2, 2 ), null );
this.scene.add( this.quad );
};
THREE.FilmPass.prototype = {
render: function ( renderer, writeBuffer, readBuffer, delta ) {
this.uniforms[ "tDiffuse" ].value = readBuffer;
this.uniforms[ "time" ].value += delta;
this.quad.material = this.material;
if ( this.renderToScreen ) {
renderer.render( this.scene, this.camera );
} else {
renderer.render( this.scene, this.camera, writeBuffer, false );
}
}
};