webvr js meetup initial commit

node_modules/three/examples/js/nodes/utils/SwitchNode.js

@@ -0,0 +1,72 @@
+/**
+ * @author sunag / http://www.sunag.com.br/
+ */
+
+THREE.SwitchNode = function( node, components ) {
+
+	THREE.GLNode.call( this );
+
+	this.node = node;
+	this.components = components || 'x';
+
+};
+
+THREE.SwitchNode.prototype = Object.create( THREE.GLNode.prototype );
+THREE.SwitchNode.prototype.constructor = THREE.SwitchNode;
+
+THREE.SwitchNode.prototype.getType = function( builder ) {
+
+	return builder.getFormatFromLength( this.components.length );
+
+};
+
+THREE.SwitchNode.prototype.generate = function( builder, output ) {
+
+	var type = this.node.getType( builder );
+	var inputLength = builder.getFormatLength( type ) - 1;
+
+	var node = this.node.build( builder, type );
+
+	if ( inputLength > 0 ) {
+
+		// get max length
+
+		var outputLength = 0;
+		var components = builder.colorToVector( this.components );
+
+		var i, len = components.length;
+
+		for ( i = 0; i < len; i ++ ) {
+
+			outputLength = Math.max( outputLength, builder.getIndexByElement( components.charAt( i ) ) );
+
+		}
+
+		if ( outputLength > inputLength ) outputLength = inputLength;
+
+		// split
+
+		node += '.';
+
+		for ( i = 0; i < len; i ++ ) {
+
+			var elm = components.charAt( i );
+			var idx = builder.getIndexByElement( components.charAt( i ) );
+
+			if ( idx > outputLength ) idx = outputLength;
+
+			node += builder.getElementByIndex( idx );
+
+		}
+
+		return builder.format( node, this.getType( builder ), output );
+
+	} else {
+
+		// join
+
+		return builder.format( node, type, output )
+
+	}
+
+};