private void Update()
{
if (!controlTarget)
{
return;
}
foreach (var touch in Input.touches)
{
if (touch.phase == TouchPhase.Began)
{
originalPosition[touch.fingerId] = touch.position;
}
else if (touch.phase == TouchPhase.Ended)
{
originalPosition.Remove(touch.fingerId);
}
}
if (curGesture == GestureControl.OutOfControl)
{
if (Input.touchCount == 0)
{
StopAllCoroutines();
curGesture = GestureControl.NoTouch;
}
}
else if (curGesture == GestureControl.TwoMove || curGesture == GestureControl.TwoRotate || curGesture == GestureControl.TwoScale)
{
if (Input.touchCount != 2)
{
StopAllCoroutines();
curGesture = GestureControl.OutOfControl;
}
}
else if (curGesture == GestureControl.TwoWait)
{
if (Input.touchCount != 2)
{
StopAllCoroutines();
curGesture = GestureControl.OutOfControl;
}
else
{
Vector2 touch1Delta = Input.GetTouch(0).position - originalPosition[Input.GetTouch(0).fingerId];
Vector2 touch2Delta = Input.GetTouch(1).position - originalPosition[Input.GetTouch(1).fingerId];
if (touch1Delta.magnitude > gestureEnableDistanceThreshold && touch2Delta.magnitude > gestureEnableDistanceThreshold)
{
StopAllCoroutines();
if (Vector2.Dot(touch1Delta, touch2Delta) > 0)
{
Vector3 xMov;
Vector3 yMov;
GetRelativeTouch(touch1Delta + touch2Delta, out xMov, out yMov);
if (xMov.sqrMagnitude > yMov.sqrMagnitude)
{
curGesture = GestureControl.TwoRotate;
if (isTwoFingerRotatable)
{
StartCoroutine(OnTwoRotate());
}
}
else
{
curGesture = GestureControl.TwoMove;
if (isTwoFingerDraggable)
{
StartCoroutine(OnTwoMove());
}
}
}
else
{
curGesture = GestureControl.TwoScale;
if (isTwoFingerScalable)
{
StartCoroutine(OnTwoScale());
}
}
}
}
}
else if (curGesture == GestureControl.OneMove)
{
if (Input.touchCount == 2)
{
StopAllCoroutines();
curGesture = GestureControl.TwoWait;
}
else if (Input.touchCount != 1)
{
StopAllCoroutines();
curGesture = GestureControl.OutOfControl;
}
}
else if (curGesture == GestureControl.NoTouch)
{
if (Input.touchCount == 1)
{
curGesture = GestureControl.OneMove;
if (isOneFingerDraggable)
{
StopAllCoroutines();
StartCoroutine(OnOneMove());
}
}
else if (Input.touchCount == 2)
{
curGesture = GestureControl.TwoWait;
StopAllCoroutines();
}
}
if (controlTarget != null)
{
targetCamDistance = (cameraTarget.transform.position - controlTarget.position).magnitude;
}
}