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/**
* @author alteredq / http://alteredqualia.com/
*/
THREE.DotScreenPass = function ( center, angle, scale ) {
THREE.Pass.call( this );
if ( THREE.DotScreenShader === undefined )
console.error( "THREE.DotScreenPass relies on THREE.DotScreenShader" );
var shader = THREE.DotScreenShader;
this.uniforms = THREE.UniformsUtils.clone( shader.uniforms );
if ( center !== undefined ) this.uniforms[ "center" ].value.copy( center );
if ( angle !== undefined ) this.uniforms[ "angle" ].value = angle;
if ( scale !== undefined ) this.uniforms[ "scale" ].value = scale;
this.material = new THREE.ShaderMaterial( {
uniforms: this.uniforms,
vertexShader: shader.vertexShader,
fragmentShader: shader.fragmentShader
} );
this.fsQuad = new THREE.Pass.FullScreenQuad( this.material );
};
THREE.DotScreenPass.prototype = Object.assign( Object.create( THREE.Pass.prototype ), {
constructor: THREE.DotScreenPass,
render: function ( renderer, writeBuffer, readBuffer, deltaTime, maskActive ) {
this.uniforms[ "tDiffuse" ].value = readBuffer.texture;
this.uniforms[ "tSize" ].value.set( readBuffer.width, readBuffer.height );
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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