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https://github.com/tengge1/ShadowEditor.git
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80 lines
1.7 KiB
JavaScript
80 lines
1.7 KiB
JavaScript
/**
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* @author sunag / http://www.sunag.com.br/
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*/
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THREE.Math1Node = function( a, method ) {
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THREE.TempNode.call( this );
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this.a = a;
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this.method = method || THREE.Math1Node.SIN;
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};
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THREE.Math1Node.RAD = 'radians';
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THREE.Math1Node.DEG = 'degrees';
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THREE.Math1Node.EXP = 'exp';
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THREE.Math1Node.EXP2 = 'exp2';
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THREE.Math1Node.LOG = 'log';
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THREE.Math1Node.LOG2 = 'log2';
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THREE.Math1Node.SQRT = 'sqrt';
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THREE.Math1Node.INV_SQRT = 'inversesqrt';
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THREE.Math1Node.FLOOR = 'floor';
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THREE.Math1Node.CEIL = 'ceil';
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THREE.Math1Node.NORMALIZE = 'normalize';
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THREE.Math1Node.FRACT = 'fract';
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THREE.Math1Node.SAT = 'saturate';
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THREE.Math1Node.SIN = 'sin';
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THREE.Math1Node.COS = 'cos';
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THREE.Math1Node.TAN = 'tan';
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THREE.Math1Node.ASIN = 'asin';
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THREE.Math1Node.ACOS = 'acos';
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THREE.Math1Node.ARCTAN = 'atan';
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THREE.Math1Node.ABS = 'abs';
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THREE.Math1Node.SIGN = 'sign';
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THREE.Math1Node.LENGTH = 'length';
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THREE.Math1Node.NEGATE = 'negate';
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THREE.Math1Node.INVERT = 'invert';
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THREE.Math1Node.prototype = Object.create( THREE.TempNode.prototype );
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THREE.Math1Node.prototype.constructor = THREE.Math1Node;
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THREE.Math1Node.prototype.getType = function( builder ) {
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switch ( this.method ) {
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case THREE.Math1Node.LENGTH:
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return 'fv1';
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}
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return this.a.getType( builder );
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};
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THREE.Math1Node.prototype.generate = function( builder, output ) {
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var material = builder.material;
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var type = this.getType( builder );
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var result = this.a.build( builder, type );
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switch ( this.method ) {
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case THREE.Math1Node.NEGATE:
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result = '(-' + result + ')';
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break;
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case THREE.Math1Node.INVERT:
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result = '(1.0-' + result + ')';
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break;
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default:
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result = this.method + '(' + result + ')';
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break;
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}
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return builder.format( result, type, output );
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};
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