webvr js meetup initial commit

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

@@ -0,0 +1,69 @@
+/**
+ * @author sunag / http://www.sunag.com.br/
+ */
+
+THREE.JoinNode = function( x, y, z, w ) {
+
+	THREE.TempNode.call( this, 'fv1' );
+
+	this.x = x;
+	this.y = y;
+	this.z = z;
+	this.w = w;
+
+};
+
+THREE.JoinNode.inputs = [ 'x', 'y', 'z', 'w' ];
+
+THREE.JoinNode.prototype = Object.create( THREE.TempNode.prototype );
+THREE.JoinNode.prototype.constructor = THREE.JoinNode;
+
+THREE.JoinNode.prototype.getNumElements = function() {
+
+	var inputs = THREE.JoinNode.inputs;
+	var i = inputs.length;
+
+	while ( i -- ) {
+
+		if ( this[ inputs[ i ] ] !== undefined ) {
+
+			++ i;
+			break;
+
+		}
+
+	}
+
+	return Math.max( i, 2 );
+
+};
+
+THREE.JoinNode.prototype.getType = function( builder ) {
+
+	return builder.getFormatFromLength( this.getNumElements() );
+
+};
+
+THREE.JoinNode.prototype.generate = function( builder, output ) {
+
+	var material = builder.material;
+
+	var type = this.getType( builder );
+	var length = this.getNumElements();
+
+	var inputs = THREE.JoinNode.inputs;
+	var outputs = [];
+
+	for ( var i = 0; i < length; i ++ ) {
+
+		var elm = this[ inputs[ i ] ];
+
+		outputs.push( elm ? elm.build( builder, 'fv1' ) : '0.' );
+
+	}
+
+	var code = ( length > 1 ? builder.getConstructorFromLength( length ) : '' ) + '(' + outputs.join( ',' ) + ')';
+
+	return builder.format( code, type, output );
+
+};