Added the WIP TypeArrayVector3 in examples/js folder.

examples/js/math/TypeArrayVector3.js

@@ -0,0 +1,128 @@
+THREE.TypeArrayVector3 = function ( x, y, z ) {
+
+	this.elements = new Float64Array( 3 );
+	this.set( x, y, z );
+
+};
+
+
+THREE.TypeArrayVector3.prototype = {
+
+	constructor: THREE.TypeArrayVector3,
+
+	get x() {
+
+		return this.elements[ 0 ];
+
+	},
+
+	set x( value ) {
+
+		this.elements[ 0 ] = value;
+
+	},
+
+	get y() {
+
+		return this.elements[ 1 ];
+
+	},
+
+	set y( value ) {
+
+		this.elements[ 1 ] = value;
+
+	},
+
+	get z() {
+
+		return this.elements[ 2 ];
+
+	},
+
+	set z( value ) {
+
+		this.elements[ 2 ] = value;
+
+	},
+
+	set: function ( x, y, z ) {
+
+		var elements = this.elements;
+
+		elements[ 0 ] = x;
+		elements[ 1 ] = y;
+		elements[ 2 ] = z;
+
+		return this;
+
+	},
+
+	copy: function ( v ) {
+
+		var elements = this.elements;
+		var velements = v.elements;
+
+		elements[ 0 ] = velements[ 0 ];
+		elements[ 1 ] = velements[ 1 ];
+		elements[ 2 ] = velements[ 2 ];
+
+		return this;
+
+	},
+
+	add: function ( v ) {
+
+		var elements = this.elements;
+		var velements = v.elements;
+
+		elements[ 0 ] += velements[ 0 ];
+		elements[ 1 ] += velements[ 1 ];
+		elements[ 2 ] += velements[ 2 ];
+
+		return this;
+
+	},
+
+	addVectors: function ( a, b ) {
+
+		var elements = this.elements;
+		var aelements = a.elements;
+		var belements = b.elements;
+
+		elements[ 0 ] = aelements[ 0 ] + belements[ 0 ];
+		elements[ 1 ] = aelements[ 1 ] + belements[ 1 ];
+		elements[ 2 ] = aelements[ 2 ] + belements[ 2 ];
+
+		return this;
+
+	},
+
+	sub: function ( v, w ) {
+
+		var elements = this.elements;
+		var velements = v.elements;
+
+		elements[ 0 ] -= velements[ 0 ];
+		elements[ 1 ] -= velements[ 1 ];
+		elements[ 2 ] -= velements[ 2 ];
+
+		return this;
+
+	},
+
+	subVectors: function ( a, b ) {
+
+		var elements = this.elements;
+		var aelements = a.elements;
+		var belements = b.elements;
+
+		elements[ 0 ] = aelements[ 0 ] - belements[ 0 ];
+		elements[ 1 ] = aelements[ 1 ] - belements[ 1 ];
+		elements[ 2 ] = aelements[ 2 ] - belements[ 2 ];
+
+		return this;
+
+	}
+
+}