mirror of
https://github.com/tengge1/ShadowEditor.git
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122 lines
2.3 KiB
JavaScript
122 lines
2.3 KiB
JavaScript
/**
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* @author sunag / http://www.sunag.com.br/
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*/
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import { TempNode } from '../core/TempNode.js';
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function Math3Node( a, b, c, method ) {
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TempNode.call( this );
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this.a = a;
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this.b = b;
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this.c = c;
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this.method = method;
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}
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Math3Node.MIX = 'mix';
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Math3Node.CLAMP = 'clamp';
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Math3Node.REFRACT = 'refract';
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Math3Node.SMOOTHSTEP = 'smoothstep';
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Math3Node.FACEFORWARD = 'faceforward';
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Math3Node.prototype = Object.create( TempNode.prototype );
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Math3Node.prototype.constructor = Math3Node;
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Math3Node.prototype.nodeType = "Math3";
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Math3Node.prototype.getType = function ( builder ) {
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var a = builder.getTypeLength( this.a.getType( builder ) );
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var b = builder.getTypeLength( this.b.getType( builder ) );
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var c = builder.getTypeLength( this.c.getType( builder ) );
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if ( a > b && a > c ) {
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return this.a.getType( builder );
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} else if ( b > c ) {
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return this.b.getType( builder );
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}
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return this.c.getType( builder );
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};
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Math3Node.prototype.generate = function ( builder, output ) {
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var a, b, c,
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al = builder.getTypeLength( this.a.getType( builder ) ),
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bl = builder.getTypeLength( this.b.getType( builder ) ),
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cl = builder.getTypeLength( this.c.getType( builder ) ),
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type = this.getType( builder );
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// optimzer
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switch ( this.method ) {
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case Math3Node.REFRACT:
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a = this.a.build( builder, type );
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b = this.b.build( builder, type );
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c = this.c.build( builder, 'f' );
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break;
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case Math3Node.MIX:
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a = this.a.build( builder, type );
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b = this.b.build( builder, type );
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c = this.c.build( builder, cl === 1 ? 'f' : type );
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break;
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default:
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a = this.a.build( builder, type );
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b = this.b.build( builder, type );
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c = this.c.build( builder, type );
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break;
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}
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return builder.format( this.method + '( ' + a + ', ' + b + ', ' + c + ' )', type, output );
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};
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Math3Node.prototype.copy = function ( source ) {
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TempNode.prototype.copy.call( this, source );
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this.a = source.a;
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this.b = source.b;
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this.c = source.c;
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this.method = source.method;
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};
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Math3Node.prototype.toJSON = function ( meta ) {
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var data = this.getJSONNode( meta );
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if ( ! data ) {
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data = this.createJSONNode( meta );
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data.a = this.a.toJSON( meta ).uuid;
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data.b = this.b.toJSON( meta ).uuid;
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data.c = this.c.toJSON( meta ).uuid;
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data.method = this.method;
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}
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return data;
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};
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export { Math3Node };
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