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/**
* @author sunag / http://www.sunag.com.br/
*/
import { NodeMaterial } from '../materials/NodeMaterial.js';
import { TextureNode } from './TextureNode.js';
function RTTNode( width, height, input, options ) {
options = options || {};
this.input = input;
this.clear = options.clear !== undefined ? options.clear : true;
this.renderTarget = new THREE.WebGLRenderTarget( width, height, options );
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.render = true;
TextureNode.call( this, this.renderTarget.texture );
}
RTTNode.prototype = Object.create( TextureNode.prototype );
RTTNode.prototype.constructor = RTTNode;
RTTNode.prototype.nodeType = "RTT";
RTTNode.prototype.build = function ( builder, output, uuid ) {
var rttBuilder = new THREE.NodeBuilder();
rttBuilder.nodes = builder.nodes;
rttBuilder.updaters = builder.updaters;
this.material.fragment.value = this.input;
this.material.build( { builder: rttBuilder } );
return TextureNode.prototype.build.call( this, builder, output, uuid );
};
RTTNode.prototype.updateFramesaveTo = function ( frame ) {
this.saveTo.render = false;
if ( this.saveTo !== this.saveToCurrent ) {
if ( this.saveToMaterial ) this.saveToMaterial.dispose();
var material = new NodeMaterial();
material.fragment.value = this;
material.build();
var scene = new THREE.Scene();
var quad = new THREE.Mesh( new THREE.PlaneBufferGeometry( 2, 2 ), material );
quad.frustumCulled = false; // Avoid getting clipped
scene.add( quad );
this.saveToScene = scene;
this.saveToMaterial = material;
}
this.saveToCurrent = this.saveTo;
frame.renderer.setRenderTarget( this.saveTo.renderTarget );
if ( this.saveTo.clear ) frame.renderer.clear();
frame.renderer.render( this.saveToScene, this.camera );
};
RTTNode.prototype.updateFrame = function ( frame ) {
if ( frame.renderer ) {
// from the second frame
if ( this.saveTo && this.saveTo.render === false ) {
this.updateFramesaveTo( frame );
}
if ( this.render ) {
if ( this.material.uniforms.renderTexture ) {
this.material.uniforms.renderTexture.value = frame.renderTexture;
}
frame.renderer.setRenderTarget( this.renderTarget );
if ( this.clear ) frame.renderer.clear();
frame.renderer.render( this.scene, this.camera );
}
// first frame
if ( this.saveTo && this.saveTo.render === true ) {
this.updateFramesaveTo( frame );
}
} else {
console.warn( "RTTNode need a renderer in NodeFrame" );
}
};
RTTNode.prototype.copy = function ( source ) {
TextureNode.prototype.copy.call( this, source );
this.saveTo = source.saveTo;
};
RTTNode.prototype.toJSON = function ( meta ) {
var data = this.getJSONNode( meta );
if ( ! data ) {
data = THREE.TextureNode.prototype.toJSON.call( this, meta );
if ( this.saveTo ) data.saveTo = this.saveTo.toJSON( meta ).uuid;
}
return data;
};
export { RTTNode };
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