mirror of
https://github.com/tengge1/ShadowEditor.git
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90 lines
1.6 KiB
JavaScript
90 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.ConstNode = function( src, useDefine ) {
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THREE.TempNode.call( this );
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this.eval( src || THREE.ConstNode.PI, useDefine );
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};
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THREE.ConstNode.PI = 'PI';
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THREE.ConstNode.PI2 = 'PI2';
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THREE.ConstNode.RECIPROCAL_PI = 'RECIPROCAL_PI';
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THREE.ConstNode.RECIPROCAL_PI2 = 'RECIPROCAL_PI2';
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THREE.ConstNode.LOG2 = 'LOG2';
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THREE.ConstNode.EPSILON = 'EPSILON';
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THREE.ConstNode.prototype = Object.create( THREE.TempNode.prototype );
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THREE.ConstNode.prototype.constructor = THREE.ConstNode;
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THREE.ConstNode.prototype.getType = function( builder ) {
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return builder.getTypeByFormat( this.type );
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};
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THREE.ConstNode.prototype.eval = function( src, useDefine ) {
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src = ( src || '' ).trim();
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var name, type, value;
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var rDeclaration = /^([a-z_0-9]+)\s([a-z_0-9]+)\s?\=?\s?(.*?)(\;|$)/i;
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var match = src.match( rDeclaration );
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this.useDefine = useDefine;
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if ( match && match.length > 1 ) {
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type = match[ 1 ];
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name = match[ 2 ];
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value = match[ 3 ];
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} else {
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name = src;
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type = 'fv1';
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}
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this.name = name;
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this.type = type;
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this.value = value;
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};
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THREE.ConstNode.prototype.build = function( builder, output ) {
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if ( output === 'source' ) {
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if ( this.value ) {
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if ( this.useDefine ) {
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return '#define ' + this.name + ' ' + this.value;
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}
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return 'const ' + this.type + ' ' + this.name + ' = ' + this.value + ';';
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}
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} else {
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builder.include( this );
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return builder.format( this.name, this.getType( builder ), output );
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}
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};
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THREE.ConstNode.prototype.generate = function( builder, output ) {
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return builder.format( this.name, this.getType( builder ), output );
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};
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