public Vector3 pointOnBezier(float aProgress,bool aMovingLeft,bool aMovingRight) {
		if (nextPoint == null&&loopPoint==null) {
			return this.transform.position;
		}

		Vector3 ret = new Vector3 ();
		if (loopPoint != null) {
			return handleLoopPoint (aProgress);
		} else
		if (!aMovingLeft && !aMovingRight) {
			return notMovingLeftOrRight (aProgress);
		}
		if (aMovingLeft) {
			return handleMovingLeft (aProgress);
		}
		if (aMovingRight) {
			return handleMovingRight (aProgress);
		}
		return ret;
	}
	private Vector3 handleLoopPoint(float aProgress) {
		Vector3 ret = new Vector3 ();
		if (controlPointStandard == null) {
			controlPointStandard = new GameObject ("CP");
			controlPointStandard.transform.SetParent (this.transform);
			this.controlPointStandard.transform.position = this.transform.position + ((this.loopPoint.transform.position - this.transform.position) / 2);

		}

		ret.x = (1 - aProgress) * (1 - aProgress) * this.transform.position.x + 2 * (1 - aProgress) * aProgress * this.controlPoint.x + aProgress * aProgress * this.loopPoint.transform.position.x;
		ret.z = (1 - aProgress) * (1 - aProgress) * this.transform.position.z + 2 * (1 - aProgress) * aProgress * this.controlPoint.z + aProgress * aProgress * this.loopPoint.transform.position.z;
		ret.y = this.transform.position.y;
		return ret;
	}
	private Vector3 handleMovingRight(float aProgress) {
		Vector3 ret = new Vector3 ();
		if (futureRightPoint == null) {
			findFutureRightPoint ();
		}
		if (futureRightPoint != null) {
			Vector3 rightControlPoint = this.transform.position + ((futureRightPoint.transform.position - this.transform.position) / 2);
			ret.x = (1 - aProgress) * (1 - aProgress) * this.transform.position.x + 2 * (1 - aProgress) * aProgress * rightControlPoint.x + aProgress * aProgress * futureRightPoint.transform.position.x;
			ret.z = (1 - aProgress) * (1 - aProgress) * this.transform.position.z + 2 * (1 - aProgress) * aProgress * rightControlPoint.z + aProgress * aProgress * futureRightPoint.transform.position.z;
			ret.y = this.transform.position.y;
		}
		return ret;
	}
	private Vector3 handleMovingLeft(float aProgress) {
		Vector3 ret = new Vector3 ();
		if (futureLeftPoint == null) {
			findFutureLeftPoint ();
		}
		if (futureLeftPoint != null) {
			Vector3 leftControlPoint = this.transform.position + ((futureLeftPoint.transform.position - this.transform.position) / 2);

			ret.x = (1 - aProgress) * (1 - aProgress) * this.transform.position.x + 2 * (1 - aProgress) * aProgress * leftControlPoint.x + aProgress * aProgress * futureLeftPoint.transform.position.x;
			ret.z = (1 - aProgress) * (1 - aProgress) * this.transform.position.z + 2 * (1 - aProgress) * aProgress * leftControlPoint.z + aProgress * aProgress * futureLeftPoint.transform.position.z;
			ret.y = this.transform.position.y;
		}
		return ret;
	}
	private Vector3 notMovingLeftOrRight(float aProgress) {
		Vector3 ret = new Vector3 ();
		if (controlPointStandard == null) {
			controlPointStandard = new GameObject ("CP");
			controlPointStandard.transform.SetParent (this.transform);
			this.controlPointStandard.transform.position = this.transform.position + ((this.nextPoint.transform.position - this.transform.position) / 2);

		}
		ret.x = (1 - aProgress) * (1 - aProgress) * this.transform.position.x + 2 * (1 - aProgress) * aProgress * this.controlPoint.x + aProgress * aProgress * this.nextPoint.transform.position.x;
		ret.z = (1 - aProgress) * (1 - aProgress) * this.transform.position.z + 2 * (1 - aProgress) * aProgress * this.controlPoint.z + aProgress * aProgress * this.nextPoint.transform.position.z;
		ret.y = this.transform.position.y;
		return ret;
	}