( function () {

class DotScreenPass extends THREE.Pass {

constructor( center, angle, scale ) {

super();

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.FullScreenQuad( this.material );

}

render( 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 );

}

}

}

THREE.DotScreenPass = DotScreenPass;

} )();