mirror of
https://github.com/tengge1/ShadowEditor.git
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69 lines
1.6 KiB
JavaScript
69 lines
1.6 KiB
JavaScript
/**
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* @author sunag / http://www.sunag.com.br/
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*/
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THREE.ReflectNode = function( scope ) {
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THREE.TempNode.call( this, 'v3', { unique: true } );
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this.scope = scope || THREE.ReflectNode.CUBE;
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};
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THREE.ReflectNode.CUBE = 'cube';
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THREE.ReflectNode.SPHERE = 'sphere';
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THREE.ReflectNode.VECTOR = 'vector';
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THREE.ReflectNode.prototype = Object.create( THREE.TempNode.prototype );
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THREE.ReflectNode.prototype.constructor = THREE.ReflectNode;
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THREE.ReflectNode.prototype.getType = function( builder ) {
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switch ( this.scope ) {
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case THREE.ReflectNode.SPHERE:
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return 'v2';
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}
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return this.type;
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};
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THREE.ReflectNode.prototype.generate = function( builder, output ) {
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var result;
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switch ( this.scope ) {
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case THREE.ReflectNode.VECTOR:
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builder.material.addFragmentNode( 'vec3 reflectVec = inverseTransformDirection( reflect( -normalize( vViewPosition ), normal ), viewMatrix );' );
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result = 'reflectVec';
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break;
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case THREE.ReflectNode.CUBE:
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var reflectVec = new THREE.ReflectNode( THREE.ReflectNode.VECTOR ).build( builder, 'v3' );
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builder.material.addFragmentNode( 'vec3 reflectCubeVec = vec3( -1.0 * ' + reflectVec + '.x, ' + reflectVec + '.yz );' );
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result = 'reflectCubeVec';
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break;
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case THREE.ReflectNode.SPHERE:
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var reflectVec = new THREE.ReflectNode( THREE.ReflectNode.VECTOR ).build( builder, 'v3' );
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builder.material.addFragmentNode( 'vec2 reflectSphereVec = normalize((viewMatrix * vec4(' + reflectVec + ', 0.0 )).xyz + vec3(0.0,0.0,1.0)).xy * 0.5 + 0.5;' );
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result = 'reflectSphereVec';
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break;
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}
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return builder.format( result, this.getType( this.type ), output );
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};
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