protected virtual void Update()
{
// Get fingers
var fingers = Use.GetFingers();
if (fingers.Count > 1 && onPinch != null)
{
switch (Coordinate)
{
case CoordinateType.OneBasedScale:
{
var scale = LeanGesture.GetPinchScale(fingers);
scale = Mathf.Pow(scale, Multiplier);
onPinch.Invoke(scale);
}
break;
case CoordinateType.OneBasedRatio:
{
var ratio = LeanGesture.GetPinchRatio(fingers);
ratio = Mathf.Pow(ratio, Multiplier);
onPinch.Invoke(ratio);
}
break;
case CoordinateType.ZeroBasedScale:
{
var scale = LeanGesture.GetPinchScale(fingers);
scale = (scale - 1.0f) * Multiplier;
onPinch.Invoke(scale);
}
break;
case CoordinateType.ZeroBasedRatio:
{
var ratio = LeanGesture.GetPinchRatio(fingers);
ratio = (ratio - 1.0f) * Multiplier;
onPinch.Invoke(ratio);
}
break;
case CoordinateType.ZeroBasedDistance:
{
var oldDistance = LeanGesture.GetLastScaledDistance(fingers, LeanGesture.GetLastScreenCenter(fingers));
var newDistance = LeanGesture.GetScaledDistance(fingers, LeanGesture.GetScreenCenter(fingers));
var movement = (newDistance - oldDistance) * Multiplier;
onPinch.Invoke(movement);
}
break;
}
}
}
private void FingerSwipe(List <LeanFinger> fingers, LeanFinger swipedFinger)
{
var scaledDelta = swipedFinger.SwipeScaledDelta;
var isParallel = true;
swiped = true;
// Go through all fingers
for (var i = fingers.Count - 1; i >= 0; i--)
{
var finger = fingers[i];
// If it's too old to swipe, skip
if (finger.Age > LeanTouch.CurrentTapThreshold)
{
return;
}
// If it didn't move far enough to swipe, skip
if (finger.SwipeScaledDelta.magnitude < ScaledDistanceThreshold)
{
return;
}
// If the finger didn't move parallel the others, make the OnSwipeParallel event inelligible
if (finger != swipedFinger)
{
var angle = Vector2.Angle(scaledDelta, finger.SwipeScaledDelta);
if (angle > ParallelAngleThreshold)
{
isParallel = false;
}
}
}
if (onFingers != null)
{
onFingers.Invoke(fingers);
}
if (fingers.Count > 1)
{
var centerA = LeanGesture.GetStartScreenCenter(fingers);
var centerB = LeanGesture.GetScreenCenter(fingers);
if (onSwipeParallel != null && isParallel == true)
{
var delta = centerA - centerB;
onSwipeParallel.Invoke(delta * LeanTouch.ScalingFactor);
}
else
{
var pinch = LeanGesture.GetScaledDistance(fingers, centerB) - LeanGesture.GetStartScaledDistance(fingers, centerA);
if (onSwipeIn != null && pinch <= -PinchScaledDistanceThreshold)
{
onSwipeIn.Invoke(-pinch);
}
if (onSwipeOut != null && pinch >= PinchScaledDistanceThreshold)
{
onSwipeOut.Invoke(pinch);
}
}
}
}
private void FingerSwipe(LeanFinger swipedFinger)
{
// Prevent multi invocation
if (swiped == false)
{
// Get all valid fingers for swipe
var fingers = LeanSelectable.GetFingers(IgnoreStartedOverGui, false, RequiredFingerCount, RequiredSelectable);
// Make sure there are some fingers, and the current finger is a part of it
if (fingers.Count > 0 && fingers.Contains(swipedFinger) == true)
{
swiped = true;
var scaledDelta = swipedFinger.SwipeScaledDelta;
var isParallel = true;
// Go through all fingers
for (var i = fingers.Count - 1; i >= 0; i--)
{
var finger = fingers[i];
// If it's too old to swipe, skip
if (finger.Age > LeanTouch.CurrentTapThreshold)
{
return;
}
// If it didn't move far enough to swipe, skip
if (finger.SwipeScaledDelta.magnitude < ScaledDistanceThreshold)
{
return;
}
// If the finger didn't move parallel the others, make the OnSwipeParallel event inelligible
if (finger != swipedFinger)
{
var angle = Vector2.Angle(scaledDelta, finger.SwipeScaledDelta);
if (angle > ParallelAngleThreshold)
{
isParallel = false;
}
}
}
if (OnSwipe != null)
{
OnSwipe.Invoke(fingers);
}
if (fingers.Count > 1)
{
var centerA = LeanGesture.GetStartScreenCenter(fingers);
var centerB = LeanGesture.GetScreenCenter(fingers);
if (OnSwipeParallel != null && isParallel == true)
{
var delta = centerA - centerB;
OnSwipeParallel.Invoke(delta * LeanTouch.ScalingFactor);
}
else
{
var pinch = LeanGesture.GetScaledDistance(fingers, centerB) - LeanGesture.GetStartScaledDistance(fingers, centerA);
if (OnSwipeIn != null && pinch <= -PinchScaledDistanceThreshold)
{
OnSwipeIn.Invoke(-pinch);
}
if (OnSwipeOut != null && pinch >= PinchScaledDistanceThreshold)
{
OnSwipeOut.Invoke(pinch);
}
}
}
}
}
}