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