//获取一次滑动行为
public TouchDirection GetTouchMoveDirection(TouchDirection dirResult)
{
if (TouchCount == 1)
{
//实时检测触碰到UI
if (_currentEventSys.IsPointerOverGameObject(Input.touches[0].fingerId))
{
dirResult |= TouchDirection.OnUI;
IsTouchedOnUICallBack?.Invoke(CurrentIsOnUI);
}
if (Input.touches[0].phase != TouchPhase.Canceled)
{
Vector2 inputPos = Input.touches[0].position;
switch (Input.touches[0].phase)
{
case TouchPhase.Began:
if (_config.TouchDetectUI && CurrentIsOnUI)
{
return(dirResult);
}
_touchBeginPos = inputPos;
TouchBeganCallback?.Invoke(inputPos);
break;
case TouchPhase.Ended:
_touchEndPos = inputPos;
if (_config.TouchDetectUI && CurrentIsOnUI)
{
return(dirResult = TouchDirection.None);
}
TouchEndCallback?.Invoke(inputPos);
if (Vector2.Distance(_touchBeginPos, _touchEndPos) < MOVE_MIX_DISTANCE)
{
return(dirResult);
}
float offSetX = _touchEndPos.x - _touchBeginPos.x;
float offSetY = _touchEndPos.y - _touchBeginPos.y;
float angle = Mathf.Atan2(offSetY, offSetX) * Mathf.Rad2Deg;
//顺时针偏移
angle += _clockWiseDegree;
if (angle > 180)
{
angle = 360 - angle;
}
else if (angle < -180)
{
angle += 360;
}
if (angle <= 45f && angle > -45f)
{
dirResult |= TouchDirection.Right;
}
else if (angle > 45f && angle <= 135f)
{
dirResult |= TouchDirection.Up;
}
else if ((angle > 135f && angle < 180f) || (angle > -180f && angle <= -135f))
{
dirResult |= TouchDirection.Left;
}
else if (angle > -135f && angle <= -45f)
{
dirResult |= TouchDirection.Down;
}
break;
case TouchPhase.Moved:
if (_config.TouchDetectUI && CurrentIsOnUI)
{
return(dirResult);
}
TouchMoveCallback?.Invoke(inputPos);
break;
case TouchPhase.Stationary:
if (_config.TouchDetectUI && CurrentIsOnUI)
{
return(dirResult);
}
TouchStationaryCallback?.Invoke(inputPos);
break;
}
}
else
{
dirResult = TouchDirection.None;
}
return(dirResult);
}
else if (TouchCount > 1)
{
if (Input.GetTouch(0).phase == TouchPhase.Began)
{
_oldPosition1 = Input.GetTouch(0).position;
}
if (Input.GetTouch(1).phase == TouchPhase.Began)
{
_oldPosition2 = Input.GetTouch(1).position;
}
if (Input.GetTouch(0).phase == TouchPhase.Moved || Input.GetTouch(1).phase == TouchPhase.Moved)
{
//计算出当前两点触摸点的位置
var tempPosition1 = Input.GetTouch(0).position;
var tempPosition2 = Input.GetTouch(1).position;
FingerRotateCallBack?.Invoke(LMath.CalcIncludedAngle2D(_oldPosition2 - _oldPosition1, tempPosition2 - tempPosition1));
//缩放数据
float currentTouchDistance = Vector3.Distance(tempPosition1, tempPosition2);
float lastTouchDistance = Vector3.Distance(_oldPosition1, _oldPosition2);
FingerZoomCallback?.Invoke((lastTouchDistance - currentTouchDistance) * Time.deltaTime);
//备份上一次触摸点的位置，用于对比
_oldPosition1 = tempPosition1;
_oldPosition2 = tempPosition2;
}
}
return(dirResult = TouchDirection.None);
}