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/**
* @author sunag / http://www.sunag.com.br/
*/
import { NodeMaterial } from '../materials/NodeMaterial.js';
import { ScreenNode } from '../inputs/ScreenNode.js';
function NodePostProcessing( renderer, renderTarget ) {
if ( renderTarget === undefined ) {
var parameters = {
minFilter: THREE.LinearFilter,
magFilter: THREE.LinearFilter,
format: THREE.RGBAFormat,
stencilBuffer: false
};
var size = renderer.getDrawingBufferSize( new THREE.Vector2() );
renderTarget = new THREE.WebGLRenderTarget( size.width, size.height, parameters );
}
this.renderer = renderer;
this.renderTarget = renderTarget;
this.output = new ScreenNode();
this.material = new NodeMaterial();
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 ), this.material );
this.quad.frustumCulled = false; // Avoid getting clipped
this.scene.add( this.quad );
this.needsUpdate = true;
}
NodePostProcessing.prototype = {
constructor: NodePostProcessing,
render: function ( scene, camera, frame ) {
if ( this.needsUpdate ) {
this.material.dispose();
this.material.fragment.value = this.output;
this.material.build();
if ( this.material.uniforms.renderTexture ) {
this.material.uniforms.renderTexture.value = this.renderTarget.texture;
}
this.needsUpdate = false;
}
frame.setRenderer( this.renderer )
.setRenderTexture( this.renderTarget.texture );
this.renderer.setRenderTarget( this.renderTarget );
this.renderer.render( scene, camera );
frame.updateNode( this.material );
this.renderer.setRenderTarget( null );
this.renderer.render( this.scene, this.camera );
},
setSize: function ( width, height ) {
this.renderTarget.setSize( width, height );
this.renderer.setSize( width, height );
},
copy: function ( source ) {
this.output = source.output;
},
toJSON: function ( meta ) {
var isRootObject = ( meta === undefined || typeof meta === 'string' );
if ( isRootObject ) {
meta = {
nodes: {}
};
}
if ( meta && ! meta.post ) meta.post = {};
if ( ! meta.post[ this.uuid ] ) {
var data = {};
data.uuid = this.uuid;
data.type = "NodePostProcessing";
meta.post[ this.uuid ] = data;
if ( this.name !== "" ) data.name = this.name;
if ( JSON.stringify( this.userData ) !== '{}' ) data.userData = this.userData;
data.output = this.output.toJSON( meta ).uuid;
}
meta.post = this.uuid;
return meta;
}
};
export { NodePostProcessing };
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