/**
 * @author mr.doob / http://mrdoob.com/
 */
 
var Cube = function (width, height, depth) {
 
	THREE.Geometry.call(this);
 
	var scope = this,
	width_half = width / 2,
	height_half = height / 2,
	depth_half = depth / 2;
 
	v(  width_half,  height_half, -depth_half );
	v(  width_half, -height_half, -depth_half );
	v( -width_half, -height_half, -depth_half );
	v( -width_half,  height_half, -depth_half );
	v(  width_half,  height_half,  depth_half );
	v(  width_half, -height_half,  depth_half );
	v( -width_half, -height_half,  depth_half );
	v( -width_half,  height_half,  depth_half );
 
	f4( 0, 1, 2, 3 );
	f4( 4, 7, 6, 5 );
	f4( 0, 4, 5, 1 );
	f4( 1, 5, 6, 2 );
	f4( 2, 6, 7, 3 );
	f4( 4, 0, 3, 7 );
 
	function v(x, y, z) {
 
		scope.vertices.push( new THREE.Vertex( new THREE.Vector3( x, y, z ) ) );
	}
 
	function f4(a, b, c, d) {
 
		scope.faces.push( new THREE.Face4( a, b, c, d ) );
	}
 
	this.computeCentroids();
	this.computeNormals();
 
}
 
Cube.prototype = new THREE.Geometry();
Cube.prototype.constructor = Cube;