ScreenSplit.cs

void Update() {
	if (Input.touchCount > 0) {
		foreach (Touch t in Input.touches) {
			if (t.phase == TouchPhase.Moved) {
				if (t.position.x < Screen.width * 0.5f && handType == HandType.HOUR_HAND) {
					leftCube.SetActive(true);
					rightCube.SetActive(false);
				} else if (t.position.x > Screen.width * 0.5f && handType == HandType.MINUTE_HAND) {
					leftCube.SetActive(false);
					rightCube.SetActive(true);
				}
			}
		}
	}
}