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148 lines
2.7 KiB
148 lines
2.7 KiB
import {
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LinearFilter,
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Mesh,
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OrthographicCamera,
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PlaneGeometry,
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RGBAFormat,
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Scene,
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Vector2,
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WebGLRenderTarget
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} from '../../../../build/three.module.js';
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import { NodeMaterial } from '../materials/NodeMaterial.js';
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import { ScreenNode } from '../inputs/ScreenNode.js';
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class NodePostProcessing {
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constructor( renderer, renderTarget ) {
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if ( renderTarget === undefined ) {
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const parameters = {
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minFilter: LinearFilter,
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magFilter: LinearFilter,
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format: RGBAFormat
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};
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const size = renderer.getDrawingBufferSize( new Vector2() );
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renderTarget = new WebGLRenderTarget( size.width, size.height, parameters );
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}
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this.renderer = renderer;
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this.renderTarget = renderTarget;
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this.output = new ScreenNode();
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this.material = new NodeMaterial();
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this.camera = new OrthographicCamera( - 1, 1, 1, - 1, 0, 1 );
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this.scene = new Scene();
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this.quad = new Mesh( new PlaneGeometry( 2, 2 ), this.material );
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this.quad.frustumCulled = false; // Avoid getting clipped
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this.scene.add( this.quad );
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this.needsUpdate = true;
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}
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render( scene, camera, frame ) {
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if ( this.needsUpdate ) {
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this.material.dispose();
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this.material.fragment.value = this.output;
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this.material.build();
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if ( this.material.uniforms.renderTexture ) {
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this.material.uniforms.renderTexture.value = this.renderTarget.texture;
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}
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this.needsUpdate = false;
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}
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frame.setRenderer( this.renderer )
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.setRenderTexture( this.renderTarget.texture );
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this.renderer.setRenderTarget( this.renderTarget );
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this.renderer.render( scene, camera );
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frame.updateNode( this.material );
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this.renderer.setRenderTarget( null );
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this.renderer.render( this.scene, this.camera );
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}
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setPixelRatio( value ) {
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this.renderer.setPixelRatio( value );
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const size = this.renderer.getSize( new Vector2() );
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this.setSize( size.width, size.height );
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}
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setSize( width, height ) {
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const pixelRatio = this.renderer.getPixelRatio();
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this.renderTarget.setSize( width * pixelRatio, height * pixelRatio );
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this.renderer.setSize( width, height );
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}
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copy( source ) {
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this.output = source.output;
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return this;
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}
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toJSON( meta ) {
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const isRootObject = ( meta === undefined || typeof meta === 'string' );
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if ( isRootObject ) {
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meta = {
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nodes: {}
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};
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}
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if ( meta && ! meta.post ) meta.post = {};
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if ( ! meta.post[ this.uuid ] ) {
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const data = {};
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data.uuid = this.uuid;
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data.type = 'NodePostProcessing';
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meta.post[ this.uuid ] = data;
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if ( this.name !== '' ) data.name = this.name;
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if ( JSON.stringify( this.userData ) !== '{}' ) data.userData = this.userData;
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data.output = this.output.toJSON( meta ).uuid;
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}
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meta.post = this.uuid;
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return meta;
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}
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}
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export { NodePostProcessing };
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