private void Update()
{
if (m_collider != null && m_camera != null)
{
// check mouse
bool isMouseDownNow = Input.GetMouseButton(0);
if (isMouseDownNow || m_isMouseDown)
{
ECursorState mouseState = isMouseDownNow?(m_isMouseDown?ECursorState.HELD:ECursorState.DOWN_FRAME):ECursorState.UP_FRAME;
RaycastCursor(Input.mousePosition, mouseState);
m_isMouseDown = isMouseDownNow;
}
// check touch
Touch[] touches = Input.touches;
for (int i = 0; i < touches.Length; i++)
{
ECursorState touchState;
switch (touches[i].phase)
{
case TouchPhase.Began:
touchState = ECursorState.DOWN_FRAME;
break;
case TouchPhase.Ended:
touchState = ECursorState.UP_FRAME;
break;
case TouchPhase.Moved:
case TouchPhase.Stationary:
touchState = ECursorState.HELD;
break;
case TouchPhase.Canceled:
default:
continue;
}
RaycastCursor(touches[i].position, touchState);
}
}
else if (m_collider == null)
{
Debug.LogError("UtilityClickTouchDetector: Update: lost reference to collider!");
enabled = false;
}
else
{
Debug.LogError("UtilityClickTouchDetector: Update: lost reference to camera!");
enabled = false;
}
}
private void RaycastCursor(Vector3 p_screenPos, ECursorState p_state)
{
RaycastHit hit;
if (m_collider.Raycast(m_camera.ScreenPointToRay(p_screenPos), out hit, float.MaxValue))
{
if (m_isHeldDown)
{
switch (p_state)
{
case ECursorState.DOWN_FRAME:
// was held already and klicked down again (maybe multiple input modules or multitouch)
m_isHeldDown = true;
break;
case ECursorState.UP_FRAME:
// was held down and is released in this frame -> valid click
m_isHeldDown = false;
if (m_onClick != null)
{
m_onClick();
}
break;
// case ECursorState.HELD:
// default:
// // was held down and is still held down -> nothing changed
// break;
}
}
else
{
switch (p_state)
{
case ECursorState.DOWN_FRAME:
// was up and has been pressed down in this frame -> valid down
m_isHeldDown = true;
break;
// case ECursorState.UP_FRAME:
// // was up and cursor was released over it -> not valid up -> nothing changes
// break;
// case ECursorState.HELD:
// default:
// // was up and cursor is held and moved over it -> not valid down -> nothing changes
// break;
}
}
}
else
{
if (m_isHeldDown)
{
switch (p_state)
{
case ECursorState.DOWN_FRAME:
// was held down and cursor was put down over another object (maybe multiple input modules or multitouch) -> invalidates click
case ECursorState.UP_FRAME:
// was held down and cursor was released over another object -> invalidates click
m_isHeldDown = false;
break;
// case ECursorState.HELD:
// // was held down and cursor is still down but moved away -> nothing changes
// default:
// break;
}
}
// else
// {
// switch (p_state)
// {
// case ECursorState.DOWN_FRAME:
// // was up and cursor was pressed down over another object -> nothing changes
// break;
// case ECursorState.UP_FRAME:
// // was up and cursor was clicked over another object -> nothing changes
// break;
// case ECursorState.HELD:
// // was up and cursor was moved while down over another object -> nothing changes
// default:
// break;
// }
// }
}
}