webvr js meetup initial commit

node_modules/three/examples/js/nodes/ConstNode.js

@@ -0,0 +1,89 @@
+/**
+ * @author sunag / http://www.sunag.com.br/
+ */
+
+THREE.ConstNode = function( src, useDefine ) {
+
+	THREE.TempNode.call( this );
+
+	this.eval( src || THREE.ConstNode.PI, useDefine );
+
+};
+
+THREE.ConstNode.PI = 'PI';
+THREE.ConstNode.PI2 = 'PI2';
+THREE.ConstNode.RECIPROCAL_PI = 'RECIPROCAL_PI';
+THREE.ConstNode.RECIPROCAL_PI2 = 'RECIPROCAL_PI2';
+THREE.ConstNode.LOG2 = 'LOG2';
+THREE.ConstNode.EPSILON = 'EPSILON';
+
+THREE.ConstNode.prototype = Object.create( THREE.TempNode.prototype );
+THREE.ConstNode.prototype.constructor = THREE.ConstNode;
+
+THREE.ConstNode.prototype.getType = function( builder ) {
+
+	return builder.getTypeByFormat( this.type );
+
+};
+
+THREE.ConstNode.prototype.eval = function( src, useDefine ) {
+
+	src = ( src || '' ).trim();
+
+	var name, type, value;
+
+	var rDeclaration = /^([a-z_0-9]+)\s([a-z_0-9]+)\s?\=?\s?(.*?)(\;|$)/i;
+	var match = src.match( rDeclaration );
+
+	this.useDefine = useDefine;
+
+	if ( match && match.length > 1 ) {
+
+		type = match[ 1 ];
+		name = match[ 2 ];
+		value = match[ 3 ];
+
+	} else {
+
+		name = src;
+		type = 'fv1';
+
+	}
+
+	this.name = name;
+	this.type = type;
+	this.value = value;
+
+};
+
+THREE.ConstNode.prototype.build = function( builder, output ) {
+
+	if ( output === 'source' ) {
+
+		if ( this.value ) {
+
+			if ( this.useDefine ) {
+
+				return '#define ' + this.name + ' ' + this.value;
+
+			}
+
+			return 'const ' + this.type + ' ' + this.name + ' = ' + this.value + ';';
+
+		}
+
+	} else {
+
+		builder.include( this );
+
+		return builder.format( this.name, this.getType( builder ), output );
+
+	}
+
+};
+
+THREE.ConstNode.prototype.generate = function( builder, output ) {
+
+	return builder.format( this.name, this.getType( builder ), output );
+
+};