private void ProcessLostTouches()
{
// handle lost touches due to Unity bugs, Unity can not send touch end states properly
// and it appears that even the id's of touches can change in WebGL
foreach (GestureTouch t in this.m_PrevTouches)
{
if (!this.m_CurrentTouches.Contains(t))
{
this.m_TempTouches.Add(t);
}
}
foreach (IGestureActionCallbackBase g in gestures)
{
bool reset = false;
foreach (GestureTouch t in g.m_CurrentTrackGestrueList)
{
if (!this.m_CurrentTouches.Contains(t))
{
this.m_TempTouches.Add(t);
reset = true;
}
}
if (reset)
{
g.Reset();
}
}
foreach (GestureTouch t in this.m_TempTouches)
{
// only end touch here, as end touch removes from previousTouches list
GestureTouch tmp = t;
FingersEndTouch(ref tmp, true);
this.m_PrevTouches.Remove(tmp);
}
this.m_TempTouches.Clear();
}
private void ProcessMouseWheel()
{
if (Input.mousePresent == false)
{
return;
}
var delta = Input.mouseScrollDelta;
float scrollDelta = delta.y == 0.0f ? delta.x : delta.y * this.MouseWheelDeltaMutliplier;
var threshold = DeviceInfo.UnitToPixels(this.MouseDistanceInUnitsRotationAndScale * 0.5f);
this.operatorType = EMouseOperatorType.None;
if (this.RequireControlKeyForMouseZoom == false)
{
if (delta == Vector2.zero)
{
if (this.lastMouseWheelTime != DateTime.MinValue)
{
var whellTime = (DateTime.UtcNow - this.lastMouseWheelTime).TotalSeconds;
if (whellTime < 1.0f)
{
//继续滚动
pinchScale = Mathf.Max(0.35f, pinchScale + scrollDelta);
this.operatorType = EMouseOperatorType.Move;
}
else
{
//停止滚动
this.operatorType = EMouseOperatorType.End;
this.lastMouseWheelTime = DateTime.MinValue;
}
}
}
else if (this.lastMouseWheelTime == DateTime.MinValue)
{
this.operatorType = EMouseOperatorType.Begin;
this.lastMouseWheelTime = DateTime.UtcNow;
}
else
{
this.pinchScale = Mathf.Max(0.35f, this.pinchScale + scrollDelta);
this.operatorType = EMouseOperatorType.Move;
this.lastMouseWheelTime = DateTime.UtcNow;
}
}
else if (Input.GetKeyDown(KeyCode.LeftControl) || Input.GetKeyDown(KeyCode.RightControl))
{
this.operatorType = EMouseOperatorType.Begin;
}
else if (Input.GetKey(KeyCode.LeftControl) || Input.GetKey(KeyCode.RightControl))
{
this.operatorType = EMouseOperatorType.Move;
this.pinchScale = Mathf.Max(0.35f, this.pinchScale + scrollDelta);
}
else if (Input.GetKeyUp(KeyCode.LeftControl) || Input.GetKeyUp(KeyCode.RightControl))
{
this.operatorType = EMouseOperatorType.End;
}
if (this.operatorType == EMouseOperatorType.None)
{
this.pinchScale = 1;
this.rotationAngle = 0;
return;
}
//计算旋转
float x = Input.mousePosition.x;
float y = Input.mousePosition.y;
float xRot1 = x - threshold;
float yRot1 = y;
float xRot2 = threshold + x;
float yRot2 = y;
float distance = threshold * pinchScale;
xRot1 = x - distance;
yRot2 = y;
xRot2 = x + distance;
yRot2 = y;
this.RotateAroundPoint(ref xRot1, ref yRot1, x, y, this.rotationAngle);
this.RotateAroundPoint(ref xRot2, ref yRot2, x, y, this.rotationAngle);
if (this.operatorType == EMouseOperatorType.Move)
{
this.rotatePinch1 = new GestureTouch(MouseGestureRotationId1, new Vector2(xRot1, yRot1), this.rotatePinch1.GetCurPos(), TouchPhase.Moved);
this.rotatePinch2 = new GestureTouch(MouseGestureRotationId2, new Vector2(xRot2, yRot2), this.rotatePinch2.GetCurPos(), TouchPhase.Moved);
this.ProcessFingerTouch(ref this.rotatePinch1);
this.ProcessFingerTouch(ref this.rotatePinch2);
}
else if (this.operatorType == EMouseOperatorType.Begin)
{
this.rotatePinch1 = new GestureTouch(MouseGestureRotationId1, new Vector2(xRot1, yRot1), this.rotatePinch1.GetCurPos(), TouchPhase.Began);
this.rotatePinch2 = new GestureTouch(MouseGestureRotationId2, new Vector2(xRot2, yRot2), this.rotatePinch2.GetCurPos(), TouchPhase.Began);
this.ProcessFingerTouch(ref this.rotatePinch1);
this.ProcessFingerTouch(ref this.rotatePinch2);
}
else if (this.operatorType == EMouseOperatorType.End)
{
this.rotatePinch1 = new GestureTouch(MouseGestureRotationId1, new Vector2(xRot1, yRot1), this.rotatePinch1.GetCurPos(), TouchPhase.Ended);
this.rotatePinch2 = new GestureTouch(MouseGestureRotationId2, new Vector2(xRot2, yRot2), this.rotatePinch2.GetCurPos(), TouchPhase.Ended);
this.ProcessFingerTouch(ref this.rotatePinch1);
this.ProcessFingerTouch(ref this.rotatePinch2);
}
}
