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/**
* @author sunag / http://www.sunag.com.br/
*/
import { TempNode } from '../core/TempNode.js';
import { PositionNode } from '../accessors/PositionNode.js';
import { OperatorNode } from '../math/OperatorNode.js';
import { TextureNode } from './TextureNode.js';
import { Matrix4Node } from './Matrix4Node.js';
function ReflectorNode( mirror ) {
TempNode.call( this, 'v4' );
if ( mirror ) this.setMirror( mirror );
}
ReflectorNode.prototype = Object.create( TempNode.prototype );
ReflectorNode.prototype.constructor = ReflectorNode;
ReflectorNode.prototype.nodeType = "Reflector";
ReflectorNode.prototype.setMirror = function ( mirror ) {
this.mirror = mirror;
this.textureMatrix = new Matrix4Node( this.mirror.material.uniforms.textureMatrix.value );
this.localPosition = new PositionNode( PositionNode.LOCAL );
this.uv = new OperatorNode( this.textureMatrix, this.localPosition, OperatorNode.MUL );
this.uvResult = new OperatorNode( null, this.uv, OperatorNode.ADD );
this.texture = new TextureNode( this.mirror.material.uniforms.tDiffuse.value, this.uv, null, true );
};
ReflectorNode.prototype.generate = function ( builder, output ) {
if ( builder.isShader( 'fragment' ) ) {
this.uvResult.a = this.offset;
this.texture.uv = this.offset ? this.uvResult : this.uv;
if ( output === 'sampler2D' ) {
return this.texture.build( builder, output );
}
return builder.format( this.texture.build( builder, this.type ), this.type, output );
} else {
console.warn( "THREE.ReflectorNode is not compatible with " + builder.shader + " shader." );
return builder.format( 'vec4( 0.0 )', this.type, output );
}
};
ReflectorNode.prototype.copy = function ( source ) {
InputNode.prototype.copy.call( this, source );
this.scope.mirror = source.mirror;
};
ReflectorNode.prototype.toJSON = function ( meta ) {
var data = this.getJSONNode( meta );
if ( ! data ) {
data = this.createJSONNode( meta );
data.mirror = this.mirror.uuid;
if ( this.offset ) data.offset = this.offset.toJSON( meta ).uuid;
}
return data;
};
export { ReflectorNode };
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