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/**
* @author alteredq / http://alteredqualia.com/
*/
THREE.FilmPass = function ( noiseIntensity, scanlinesIntensity, scanlinesCount, grayscale ) {
THREE.Pass.call( this );
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.fsQuad = new THREE.Pass.FullScreenQuad( this.material );
};
THREE.FilmPass.prototype = Object.assign( Object.create( THREE.Pass.prototype ), {
constructor: THREE.FilmPass,
render: function ( renderer, writeBuffer, readBuffer, deltaTime, maskActive ) {
this.uniforms[ "tDiffuse" ].value = readBuffer.texture;
this.uniforms[ "time" ].value += deltaTime;
if ( this.renderToScreen ) {
renderer.setRenderTarget( null );
this.fsQuad.render( renderer );
} else {
renderer.setRenderTarget( writeBuffer );
if ( this.clear ) renderer.clear();
this.fsQuad.render( renderer );
}
}
} );
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