/// <summary>Gets the pinch ratio of the fingers (reciprocal of pinch scale).</summary>
public static bool TryGetPinchRatio(List <LeanFinger> fingers, Vector2 center, Vector2 lastCenter, ref float ratio, float wheelSensitivity = 0.0f)
{
var distance = GetScreenDistance(fingers, center);
var lastDistance = GetLastScreenDistance(fingers, lastCenter);
if (distance > 0.0f)
{
ratio = lastDistance / distance;
return(true);
}
if (wheelSensitivity != 0.0f)
{
var scroll = LeanInput.GetMouseWheelDelta();
if (scroll > 0.0f)
{
ratio = 1.0f + wheelSensitivity; return(true);
}
if (scroll < 0.0f)
{
ratio = 1.0f - wheelSensitivity; return(true);
}
}
return(false);
}
private bool RequiredButtonPressed(LeanFinger finger)
{
if (finger.Index < 0)
{
if (LeanInput.GetMouseExists() == true)
{
if ((requiredButtons & ButtonTypes.LeftMouse) != 0 && LeanInput.GetMousePressed(0) == true)
{
return(true);
}
if ((requiredButtons & ButtonTypes.RightMouse) != 0 && LeanInput.GetMousePressed(1) == true)
{
return(true);
}
if ((requiredButtons & ButtonTypes.MiddleMouse) != 0 && LeanInput.GetMousePressed(2) == true)
{
return(true);
}
}
}
else if ((requiredButtons & ButtonTypes.Touch) != 0)
{
return(true);
}
return(false);
}
// Read new hardware finger data
private void PollFingers()
{
// Update real fingers
if (LeanInput.GetTouchCount() > 0)
{
for (var i = 0; i < LeanInput.GetTouchCount(); i++)
{
int id; Vector2 position; float pressure; bool set;
LeanInput.GetTouch(i, out id, out position, out pressure, out set);
AddFinger(id, position, pressure, set);
}
}
// If there are no real touches, simulate some from the mouse?
else if (LeanInput.GetMouseExists() == true)
{
var mouseSet = false;
var mouseUp = false;
for (var i = 0; i < 5; i++)
{
mouseSet |= LeanInput.GetMousePressed(i);
mouseUp |= LeanInput.GetMouseUp(i);
}
if (mouseSet == true || mouseUp == true)
{
var mousePosition = LeanInput.GetMousePosition();
// Is the mouse within the screen?
//if (new Rect(0, 0, Screen.width, Screen.height).Contains(mousePosition) == true)
{
AddFinger(-1, mousePosition, 1.0f, mouseSet);
// Simulate pinch & twist?
if (SimulateMultiFingers == true && LeanInput.GetKeyboardExists() == true)
{
if (LeanInput.GetPressed(MovePivotKey) == true)
{
pivot.x = mousePosition.x / Screen.width;
pivot.y = mousePosition.y / Screen.height;
}
if (LeanInput.GetPressed(PinchTwistKey) == true)
{
var center = new Vector2(Screen.width * pivot.x, Screen.height * pivot.y);
AddFinger(-2, center - (mousePosition - center), 1.0f, mouseSet);
}
// Simulate multi drag?
else if (LeanInput.GetPressed(MultiDragKey) == true)
{
AddFinger(-2, mousePosition, 1.0f, mouseSet);
}
}
}
}
}
}
/// <summary>This method returns a list of all fingers based on the current settings.
/// NOTE: This method must be called every frame/Update.</summary>
public List <LeanFinger> UpdateAndGetFingers(bool ignoreUpFingers = false)
{
if (filteredFingers == null)
{
filteredFingers = new List <LeanFinger>();
}
filteredFingers.Clear();
if (Filter == FilterType.AllFingers)
{
filteredFingers.AddRange(LeanSelectableByFinger.GetFingers(IgnoreStartedOverGui, false, 0, RequiredSelectable));
}
else if (fingers != null)
{
filteredFingers.AddRange(fingers);
for (var i = fingers.Count - 1; i >= 0; i--)
{
if (fingers[i].Up == true)
{
fingers.RemoveAt(i);
}
}
}
if (ignoreUpFingers == true)
{
for (var i = filteredFingers.Count - 1; i >= 0; i--)
{
if (filteredFingers[i].Up == true)
{
filteredFingers.RemoveAt(i);
}
}
}
if (RequiredMouseButtons > 0 && SimulatedFingersExist(filteredFingers) == true)
{
for (var i = 0; i < 5; i++)
{
var mask = 1 << i;
if ((RequiredMouseButtons & mask) != 0 && LeanInput.GetMousePressed(i) == false)
{
filteredFingers.Clear();
}
}
return(filteredFingers);
}
if (RequiredFingerCount > 0 && filteredFingers.Count != RequiredFingerCount)
{
filteredFingers.Clear();
}
return(filteredFingers);
}
// Read new hardware finger data
private void PollFingers()
{
// Submit real fingers?
if (useTouch == true && LeanInput.GetTouchCount() > 0)
{
for (var i = 0; i < LeanInput.GetTouchCount(); i++)
{
int id; Vector2 position; float pressure; bool set;
LeanInput.GetTouch(i, out id, out position, out pressure, out set);
AddFinger(id, position, pressure, set);
}
}
// Submit mouse hover as finger?
if (useHover == true && LeanInput.GetMouseExists() == true)
{
var mousePosition = LeanInput.GetMousePosition();
var hoverFinger = AddFinger(HOVER_FINGER_INDEX, mousePosition, 0.0f, true);
hoverFinger.StartedOverGui = false;
hoverFinger.LastSet = true;
}
// Submit mouse buttons as finger?
if (useMouse == true && LeanInput.GetMouseExists() == true)
{
var mouseSet = false;
var mouseUp = false;
for (var i = 0; i < 5; i++)
{
mouseSet |= LeanInput.GetMousePressed(i);
mouseUp |= LeanInput.GetMouseUp(i);
}
if (mouseSet == true || mouseUp == true)
{
var mousePosition = LeanInput.GetMousePosition();
// Is the mouse within the screen?
//if (new Rect(0, 0, Screen.width, Screen.height).Contains(mousePosition) == true)
{
AddFinger(MOUSE_FINGER_INDEX, mousePosition, 1.0f, mouseSet);
}
}
}
// Simulate other fingers?
if (useSimulator == true)
{
if (OnSimulateFingers != null)
{
OnSimulateFingers.Invoke();
}
}
}
/// <summary>This method returns a list of all fingers based on the current settings.</summary>
public List <LeanFinger> GetFingers(bool ignoreUpFingers = false)
{
if (fingers == null)
{
fingers = new List <LeanFinger>();
}
switch (Filter)
{
case FilterType.AllFingers:
{
fingers.Clear();
fingers.AddRange(LeanSelectable.GetFingers(IgnoreStartedOverGui, false, RequiredFingerCount, RequiredSelectable));
}
break;
}
if (ignoreUpFingers == true)
{
for (var i = fingers.Count - 1; i >= 0; i--)
{
if (fingers[i].Up == true)
{
fingers.RemoveAt(i);
}
}
}
if (RequiredMouseButtons != 0)
{
var keep = true;
for (var i = 0; i < 5; i++)
{
var mask = 1 << i;
if ((RequiredMouseButtons & mask) != 0 && LeanInput.GetMousePressed(i) == false)
{
keep = false; break;
}
}
if (keep == false)
{
for (var i = fingers.Count - 1; i >= 0; i--)
{
if (fingers[i].Index < 0)
{
fingers.RemoveAt(i);
}
}
}
}
return(fingers);
}
protected virtual void Update()
{
if (this == Instances[0])
{
if (LeanInput.GetDown(CloseKey) == true)
{
CloseTopMost();
}
}
}
protected virtual void Update()
{
if (RequiredSelectable != null && RequiredSelectable.IsSelected == false)
{
return;
}
if (RequiredMouseButton >= 0 && LeanInput.GetMousePressed(RequiredMouseButton) == false)
{
return;
}
var finalDelta = LeanInput.GetMouseWheelDelta();
if (finalDelta == 0.0f)
{
return;
}
switch (Modify)
{
case ModifyType.Sign:
{
finalDelta = Mathf.Sign(finalDelta);
}
break;
}
finalDelta *= Multiplier;
switch (Coordinate)
{
case CoordinateType.OneBased:
{
finalDelta += 1.0f;
}
break;
}
if (onDelta != null)
{
onDelta.Invoke(finalDelta);
}
}
private void HandleSimulateFingers()
{
// Simulate pinch & twist?
if (LeanInput.GetMouseExists() == true && LeanInput.GetKeyboardExists() == true)
{
var mousePosition = LeanInput.GetMousePosition();
var mouseSet = false;
var mouseUp = false;
for (var i = 0; i < 5; i++)
{
mouseSet |= LeanInput.GetMousePressed(i);
mouseUp |= LeanInput.GetMouseUp(i);
}
if (mouseSet == true || mouseUp == true)
{
if (LeanInput.GetPressed(MovePivotKey) == true)
{
pivot.x = mousePosition.x / Screen.width;
pivot.y = mousePosition.y / Screen.height;
}
if (LeanInput.GetPressed(PinchTwistKey) == true)
{
var center = new Vector2(Screen.width * pivot.x, Screen.height * pivot.y);
cachedTouch.AddFinger(-2, center - (mousePosition - center), 1.0f, mouseSet);
}
// Simulate multi drag?
else if (LeanInput.GetPressed(MultiDragKey) == true)
{
cachedTouch.AddFinger(-2, mousePosition, 1.0f, mouseSet);
}
}
}
}
// Read new hardware finger data
private void PollFingers()
{
// Store all active fingers (these are later removed in AddFinger)
missingFingers.Clear();
for (var i = Fingers.Count - 1; i >= 0; i--)
{
missingFingers.Add(Fingers[i]);
}
// Update real fingers
if (LeanInput.GetTouchCount() > 0)
{
for (var i = 0; i < LeanInput.GetTouchCount(); i++)
{
int id; Vector2 position; float pressure; bool set;
LeanInput.GetTouch(i, out id, out position, out pressure, out set);
AddFinger(id, position, pressure, set);
}
}
// If there are no real touches, simulate some from the mouse?
else if (LeanInput.GetMouseExists() == true)
{
var mouseSet = false;
var mouseUp = false;
for (var i = 0; i < 5; i++)
{
mouseSet |= LeanInput.GetMousePressed(i);
mouseUp |= LeanInput.GetMouseUp(i);
}
if (mouseSet == true || mouseUp == true)
{
var mousePosition = LeanInput.GetMousePosition();
// Is the mouse within the screen?
//if (new Rect(0, 0, Screen.width, Screen.height).Contains(mousePosition) == true)
{
AddFinger(-1, mousePosition, 1.0f, mouseSet);
// Simulate pinch & twist?
if (SimulateMultiFingers == true && LeanInput.GetKeyboardExists() == true)
{
if (LeanInput.GetPressed(MovePivotKey) == true)
{
pivot.x = mousePosition.x / Screen.width;
pivot.y = mousePosition.y / Screen.height;
}
if (LeanInput.GetPressed(PinchTwistKey) == true)
{
var center = new Vector2(Screen.width * pivot.x, Screen.height * pivot.y);
AddFinger(-2, center - (mousePosition - center), 1.0f, mouseSet);
}
// Simulate multi drag?
else if (LeanInput.GetPressed(MultiDragKey) == true)
{
AddFinger(-2, mousePosition, 1.0f, mouseSet);
}
}
}
}
}
// Force missing fingers to go up (there normally shouldn't be any)
tempFingers.Clear();
tempFingers.AddRange(missingFingers);
foreach (var finger in tempFingers)
{
AddFinger(finger.Index, finger.ScreenPosition, finger.Pressure, false);
}
}