leftRightCheck

# call checkObstacleLFR to get an obstacle array
# DO NOT call checkObstacle. It's called by checkObstacleLFR
# put the distance you want as the parameter
def checkObstacle(thresholdDistance, Direction):
	if Direction == "Forward":
		Distance = getObstacle("middle")
	elif Direction == "Left":
		turnLeft(0.5,1.5)
		Distance = getObstacle("middle")
		turnRight(0.5,1.5)
	elif Direction == "Right":
		turnRight(0.5,1.5)
		Distance = getObstacle("middle")
		turnLeft(0.5,1.5)
	else:
		return 1
	if Distance < thresholdDistance:
		return 0
	else:
		return 1
	
def checkObstacleLFR(thresholdDistance):
	a = [0,0,0]
	a[0] = checkObstacle(thresholdDistance,"Left")
	a[2] = checkObstacle(thresholdDistance,"Right")
	a[1] = checkObstacle(thresholdDistance,"Forward")
	return a