detecting gallery direction changes

direction_change.cs

float current = 0;
		if( isHorizontal ) current = transform.localPosition.x;
		else current = -transform.localPosition.y;
		float max = 0;
		if( isHorizontal ) max = CellWidth+Spacing;
		else max = CellHeight+Spacing;
		
		//detect left/right direction changes
		if (current < _last) {
			Debug.Log("Moving Left");
			if (currentDirection != direction.Left) {
				Debug.Log("CHANGED DIRECTION TO THE LEFT");
				currentDirection = direction.Left;
			}
		} else if (current > _last) {
			Debug.Log("Moving Right");
			if (currentDirection != direction.Right) {
				Debug.Log("CHANGED DIRECTION TO THE RIGHT");
				currentDirection = direction.Right;
			}
		}