var Plane = function (size){
	
	if (size === undefined){
		size = 10;
	}

	this.pointsArray = [
		this.make3DPoint(-size,size,0),
		this.make3DPoint(size,size,0),
		this.make3DPoint(size,-size,0),
		this.make3DPoint(-size,-size,0)
	];
		
};

Plane.prototype = new DisplayObject3D();