function getNextTargetPoint(){
		if(currentPoint <= pointsArray.length-1){
		// move to point in array
		targetPoint = new Point(pointsArray[currentPoint].x,pointsArray[currentPoint].y)
		}
		else {
		// move to end point
		targetPoint = new Point(parentMC.endPoint.x,parentMC.endPoint.y)
		}
		}