function Helper( o )
{
	this.enabled = true;
	this.in_editor = true;
	this.in_player = false;
	this.type = Helper.CIRCLE;
	this.color = [1,1,1,1];
	this.size = 1;
	this.fill = false;
	this.always_on_top = true;
	this.vertical = true;

	this._is_visible = false;

	if(o)
		this.configure(o);
}
Spline allows to define splines in 3D
@class Spline
@constructor
@param {Object} object to configure from