docs: function(curve, location) {
  		var cc = _getCurveFunctions(curve.length - 1),
  			_x = 0, _y = 0;
  		for (var i = 0; i < curve.length ; i++) {
  			_x = _x + (curve[i].x * cc[i](location));
  			_y = _y + (curve[i].y * cc[i](location));
  		}
  
  		return {x:_x, y:_y};
  	}