private float _startControlRealTime; //����ʱ��ʱ�䣬�����ж��Ƿ�ʱ�䳬���ٽ�ֵ
private void Update()
{
if (CancelControlNextFrame)//������ֹ���ݣ���������һ֡���ڲ���״̬
{
_lastTouchState = TouchState.Off;
_controlState = ControlState.NotControl;
CancelControlNextFrame = false;
}
Vector2 curTouchPos;
TouchState curTouchState;
#region ��ȡ���ݲ���
if (Input.GetKey(KeyCode.Mouse0)) //�����갴��
{
curTouchPos = Input.mousePosition; //����Ϊ�ٿ���
curTouchState = Input.touchCount <= 0 ? TouchState.Touched : TouchState.MoreThanOne; //�Ƿ����б��Ĵ���
}
else //û������
{
if (Input.touchCount == 0) //Ҳû�д���
{
curTouchPos = Vector2.zero; //����Ĭ��ֵ�������õ���
curTouchState = TouchState.Off;
}
else
{
curTouchPos = Input.touches[0].position;
curTouchState = Input.touchCount == 1 ? TouchState.Touched : TouchState.MoreThanOne;
}
}
#endregion
#region ������������
if (curTouchState == TouchState.Touched)
{
//todo:������ȷ�Ļ��������¼�����������������ǰ���Ľ������ڵ�
var ray = ControlCamera.ScreenPointToRay(curTouchPos);
Debug.DrawRay(ray.origin, ray.direction * ControlCamera.farClipPlane, Color.red);
RaycastHit hit;
if (!Physics.Raycast(ray, out hit, ControlCamera.farClipPlane) || hit.collider != GetComponent <Collider>())
//��������û�����������߰����IJ����ң�����Ϊδ���ţ����Ż�
{
curTouchState = TouchState.Off;
}
}
#endregion
#region ���²���״̬
if (_controlState == ControlState.NotControl) //��һ֡��ʼ��������һ֡���ܿ���Ч��
{
if (curTouchState == TouchState.Touched)
{
_controlState = ControlState.JustStartControl;
_startControlPos = curTouchPos;
_startControlRealTime = Time.realtimeSinceStartup;
}
}
else if (_controlState == ControlState.JustStartControl) //��һ֡���ڸտ�ʼ����״̬
{
if (curTouchState == TouchState.Touched)
{
ProcessDrag(_lastTouchPos, curTouchPos); //������������
if (Vector2.Distance(curTouchPos, _startControlPos) > CriticalClickDistanceInMillimeter ||
Time.realtimeSinceStartup - _startControlRealTime > CriticalClickTimeInterval)
//�Ƿ��ٽ磬����Drag״̬�����ٿ����ǵ�����
{
_controlState = ControlState.Drag;
}
}
else if (curTouchState == TouchState.Off) //�Ǿ��ǵ�����
{
ProcessClick(_startControlPos); //�����¼�����˿/��˿
_controlState = ControlState.NotControl;
}
else // curTouchState == TouchState.MoreThanOne//˫ָģʽ
{
_controlState = ControlState.NotControl;
}
}
else if (_controlState == ControlState.Drag)
{
if (curTouchState == TouchState.Touched)
{
ProcessDrag(_lastTouchPos, curTouchPos); //������������
}
else //��ֹ����
{
_controlState = ControlState.NotControl;
}
}
if (_controlState != ControlState.NotControl)
{
_lastTouchPos = curTouchPos;
}
_lastTouchState = curTouchState;
#endregion
if (_controlState == ControlState.JustStartControl || _controlState == ControlState.Drag)
{
var dL = (curTouchPos - _lastTouchPos).y * ControlCamera.orthographicSize * 2 / Screen.height;
WormToControl.LengthenSilk(dL);
}
}
