private void ProcessLostTouches()
{
// handle lost touches due to Unity bugs, Unity can not send touch end states
// and it appears that even the id's of touches can change in WebGL
foreach (GestureTouch t in previousTouches)
{
if (!currentTouches.Contains(t))
{
tempTouches.Add(t);
}
}
foreach (DigitalRubyShared.GestureRecognizer g in gestures)
{
bool reset = false;
foreach (GestureTouch t in g.CurrentTrackedTouches)
{
if (!currentTouches.Contains(t))
{
tempTouches.Add(t);
reset = true;
}
}
if (reset)
{
g.Reset();
}
}
foreach (GestureTouch t in tempTouches)
{
// only end touch here, as end touch removes from previousTouches list
GestureTouch tmp = t;
FingersEndTouch(ref tmp, true);
previousTouches.Remove(tmp);
}
tempTouches.Clear();
}
private void AddMouseTouch(int index, int pointerId, float x, float y)
{
// add a touch from the mouse
float prevX = mousePrev[index].Key;
float prevY = mousePrev[index].Value;
prevX = (prevX == float.MinValue ? x : prevX);
prevY = (prevY == float.MinValue ? y : prevY);
GestureTouch g = new GestureTouch(pointerId, x, y, prevX, prevY, 0.0f, x, y);
if (Input.GetMouseButton(index))
{
mousePrev[index] = new KeyValuePair <float, float>(x, y);
if (isMouseDown[index])
{
touchesMoved.Add(g);
//Debug.LogFormat("Mouse Move: {0},{1}, Idx: {2}", x, y, index);
}
else
{
touchesBegan.Add(g);
isMouseDown[index] = true;
//Debug.LogFormat("Mouse Down: {0},{1}, Idx: {2}", x, y, index);
}
}
else if (isMouseDown[index])
{
mousePrev[index] = new KeyValuePair <float, float>(float.MinValue, float.MinValue);
touchesEnded.Add(g);
isMouseDown[index] = false;
//Debug.LogFormat("Mouse Up: {0},{1}, Idx: {2}", x, y, index);
}
}
/// <summary>
/// Reset state - all touches and tracking are cleared
/// </summary>
/// <param name="clearGestures">True to clear out all gestures, false otherwise</param>
public void ResetState(bool clearGestures)
{
for (int i = gestures.Count - 1; i >= 0; i--)
{
if (gestures[i] == null)
{
gestures.RemoveAt(i);
}
else
{
gestures[i].Reset();
}
}
if (clearGestures)
{
gestures.Clear();
}
availableShowTouches.Clear();
availableShowTouches.AddRange(TouchCircles);
foreach (GameObject obj in TouchCircles)
{
if (obj != null)
{
obj.SetActive(false);
}
}
foreach (GameObject obj in origTouchCircles)
{
if (obj != null)
{
obj.SetActive(false);
}
}
shownTouches.Clear();
currentTouches.Clear();
previousTouches.Clear();
touchesBegan.Clear();
touchesMoved.Clear();
touchesEnded.Clear();
gameObjectsForTouch.Clear();
captureRaycastResults.Clear();
filteredTouches.Clear();
touches.Clear();
previousTouchPositions.Clear();
rotateAngle = 0.0f;
pinchScale = 1.0f;
rotatePinch1 = new GestureTouch();
rotatePinch2 = new GestureTouch();
lastMouseWheelTime = System.DateTime.MinValue;
// cleanup deleted pass through objects
for (int i = PassThroughObjects.Count - 1; i >= 0; i--)
{
if (PassThroughObjects[i] == null)
{
PassThroughObjects.RemoveAt(i);
}
}
if (VirtualTouchResetHandler != null)
{
VirtualTouchResetHandler();
}
}
private void ProcessMouseWheel()
{
// if the mouse is not setup or the user doesn't want the mouse treated as touches, return right away
if (!Input.mousePresent || !TreatMousePointerAsFinger)
{
return;
}
// the mouse wheel will act as a rotate and pinch / zoom
Vector2 delta = Input.mouseScrollDelta;
float scrollDelta = (delta.y == 0.0f ? delta.x : delta.y) * MouseWheelDeltaMultiplier;
float threshold = DeviceInfo.UnitsToPixels(MouseDistanceInUnitsForScaleAndRotate * 0.5f);
// add type 1 = moved, 2 = begin, 3 = ended, 4 = none
int addType1 = 4;
int addType2 = 4;
// left or right control initial down means begin
if (!RequireControlKeyForMouseZoom)
{
if (delta == Vector2.zero)
{
if (lastMouseWheelTime != System.DateTime.MinValue)
{
if ((System.DateTime.UtcNow - lastMouseWheelTime).TotalSeconds < 1.0f)
{
// continue zooming
pinchScale = Mathf.Max(0.35f, pinchScale + scrollDelta);
addType1 = 1;
}
else
{
// stop zooming
lastMouseWheelTime = System.DateTime.MinValue;
addType1 = 3;
}
}
}
else if (lastMouseWheelTime == System.DateTime.MinValue)
{
// start zooming
addType1 = 2;
lastMouseWheelTime = System.DateTime.UtcNow;
}
else
{
// continue zooming
pinchScale = Mathf.Max(0.35f, pinchScale + scrollDelta);
addType1 = 1;
lastMouseWheelTime = System.DateTime.UtcNow;
}
}
else if (Input.GetKeyDown(KeyCode.LeftControl) || Input.GetKeyDown(KeyCode.RightControl))
{
// initial start of scale
addType1 = 2;
}
// left or right control still down means move
else if (Input.GetKey(KeyCode.LeftControl) || Input.GetKey(KeyCode.RightControl))
{
pinchScale = Mathf.Max(0.35f, pinchScale + scrollDelta);
addType1 = 1;
}
// left or right control initial up means end
else if (Input.GetKeyUp(KeyCode.LeftControl) || Input.GetKeyUp(KeyCode.RightControl))
{
addType1 = 3;
}
// left or right shift initial down means begin
if (Input.GetKeyDown(KeyCode.LeftShift) || Input.GetKeyDown(KeyCode.RightShift))
{
addType2 = 2;
}
// left or right shift still down means move
else if (Input.GetKey(KeyCode.LeftShift) || Input.GetKey(KeyCode.RightShift))
{
rotateAngle += scrollDelta;
addType2 = 1;
}
// left or right shift initial up means end
else if (Input.GetKeyUp(KeyCode.LeftShift) || Input.GetKeyUp(KeyCode.RightShift))
{
addType2 = 3;
}
// use the minimum add type so that moves are preferred over begins and begins are preferred over ends
int addType = Mathf.Min(addType1, addType2);
// no begins, moves or ends, set defaults and end
if (addType == 4)
{
pinchScale = 1.0f;
rotateAngle = 0.0f;
return;
}
// calculate rotation
float x = Input.mousePosition.x;
float y = Input.mousePosition.y;
float xRot1 = x - threshold;
float yRot1 = y;
float xRot2 = x + threshold;
float yRot2 = y;
float distance = threshold * pinchScale;
xRot1 = x - distance;
yRot1 = y;
xRot2 = x + distance;
yRot2 = y;
RotateAroundPoint(ref xRot1, ref yRot1, x, y, rotateAngle);
RotateAroundPoint(ref xRot2, ref yRot2, x, y, rotateAngle);
#if DEBUG
if (scrollDelta != 0.0f)
{
//Debug.LogFormat("Mouse delta: {0}", scrollDelta);
}
#endif
// calculate rotation and zoom based on mouse values
if (addType == 1)
{
// moved
rotatePinch1 = new GestureTouch(int.MaxValue - 5, xRot1, yRot1, rotatePinch1.X, rotatePinch1.Y, 0.0f, null, TouchPhase.Moved);
rotatePinch2 = new GestureTouch(int.MaxValue - 6, xRot2, yRot2, rotatePinch2.X, rotatePinch2.Y, 0.0f, null, TouchPhase.Moved);
FingersProcessTouch(ref rotatePinch1);
FingersProcessTouch(ref rotatePinch2);
}
else if (addType == 2)
{
// begin
rotatePinch1 = new GestureTouch(int.MaxValue - 5, xRot1, yRot1, xRot1, yRot1, 0.0f, null, TouchPhase.Began);
rotatePinch2 = new GestureTouch(int.MaxValue - 6, xRot2, yRot2, xRot2, yRot2, 0.0f, null, TouchPhase.Began);
FingersProcessTouch(ref rotatePinch1);
FingersProcessTouch(ref rotatePinch2);
}
else if (addType == 3)
{
// end
rotatePinch1 = new GestureTouch(int.MaxValue - 5, xRot1, yRot1, xRot1, yRot1, 0.0f, null, TouchPhase.Ended);
rotatePinch2 = new GestureTouch(int.MaxValue - 6, xRot2, yRot2, xRot2, yRot2, 0.0f, null, TouchPhase.Ended);
FingersProcessTouch(ref rotatePinch1);
FingersProcessTouch(ref rotatePinch2);
}
}
private void FingersContinueTouch(ref GestureTouch g)
{
touchesMoved.Add(g);
previousTouchPositions[g.Id] = new Vector2(g.X, g.Y);
}
private void ProcessMouseWheel()
{
// if the mouse is not setup or the user doesn't want the mouse treated as touches, return right away
if (!Input.mousePresent || !TreatMousePointerAsFinger)
{
return;
}
// the mouse wheel will act as a rotate and pinch / zoom
const float threshold = 100.0f;
const float deltaModifier = 0.025f;
Vector2 delta = Input.mouseScrollDelta;
float scrollDelta = (delta.y == 0.0f ? delta.x : delta.y) * deltaModifier;
// add type 1 = moved, 2 = begin, 3 = ended, 4 = none
int addType1 = 4;
int addType2 = 4;
// left or right control initial down means begin
if (Input.GetKeyDown(KeyCode.LeftControl) || Input.GetKeyDown(KeyCode.RightControl))
{
addType1 = 2;
}
// left or right control still down means move
else if (Input.GetKey(KeyCode.LeftControl) || Input.GetKey(KeyCode.RightControl))
{
pinchScale += scrollDelta;
addType1 = 1;
}
// left or right control initial up means end
else if (Input.GetKeyUp(KeyCode.LeftControl) || Input.GetKeyUp(KeyCode.RightControl))
{
addType1 = 3;
}
// left or right shift initial down means begin
if (Input.GetKeyDown(KeyCode.LeftShift) || Input.GetKeyDown(KeyCode.RightShift))
{
addType2 = 2;
}
// left or right shift still down means move
else if (Input.GetKey(KeyCode.LeftShift) || Input.GetKey(KeyCode.RightShift))
{
rotateAngle += scrollDelta;
addType2 = 1;
}
// left or right shift initial up means end
else if (Input.GetKeyUp(KeyCode.LeftShift) || Input.GetKeyUp(KeyCode.RightShift))
{
addType2 = 3;
}
// use the minimum add type so that moves are preferred over begins and begins are preferred over ends
int addType = Mathf.Min(addType1, addType2);
// no begins, moves or ends, set defaults and end
if (addType == 4)
{
pinchScale = 1.0f;
rotateAngle = 0.0f;
return;
}
// calculate rotation
float x = Input.mousePosition.x;
float y = Input.mousePosition.y;
float xRot1 = x - threshold;
float yRot1 = y;
float xRot2 = x + threshold;
float yRot2 = y;
float distance = threshold * pinchScale;
xRot1 = x - distance;
yRot1 = y;
xRot2 = x + distance;
yRot2 = y;
RotateAroundPoint(ref xRot1, ref yRot1, x, y, rotateAngle);
RotateAroundPoint(ref xRot2, ref yRot2, x, y, rotateAngle);
#if DEBUG
if (scrollDelta != 0.0f)
{
//Debug.LogFormat("Mouse delta: {0}", scrollDelta);
}
#endif
// calculate rotation and zoom based on mouse values
if (addType == 1)
{
// moved
rotatePinch1 = new GestureTouch(int.MaxValue - 5, xRot1, yRot1, rotatePinch1.X, rotatePinch1.Y, 0.0f, xRot1, yRot1);
rotatePinch2 = new GestureTouch(int.MaxValue - 6, xRot2, yRot2, rotatePinch2.X, rotatePinch2.Y, 0.0f, xRot2, yRot2);
touchesMoved.Add(rotatePinch1);
touchesMoved.Add(rotatePinch2);
}
else if (addType == 2)
{
// begin
rotatePinch1 = new GestureTouch(int.MaxValue - 5, xRot1, yRot1, xRot1, yRot1, 0.0f, xRot1, yRot1);
rotatePinch2 = new GestureTouch(int.MaxValue - 6, xRot2, yRot2, xRot2, yRot2, 0.0f, xRot1, yRot1);
touchesBegan.Add(rotatePinch1);
touchesBegan.Add(rotatePinch2);
}
else if (addType == 3)
{
// end
touchesEnded.Add(rotatePinch1);
touchesEnded.Add(rotatePinch2);
}
}
private void AddTouch(int id, Vector2 position, UnityEngine.TouchPhase phase, float pressure = 1.0f)
{
GestureTouch touch = FingersScript.Instance.GestureTouchFromVirtualTouch(id, position, phase, pressure);
virtualTouches[id] = touch;
}
