public bool isHeld()
{
return(_isDown && Epoch.MillisElapsed(startTouchTime) >= HOLD_TIME);
}
public void OnGUI()
{
// TODO: Decouple from gui.
previousTouchPosition = touchPosition;
touchPosition = queryTouchPosition();
_didTap = false;
bool upStart, downStart;
upStart = queryUpStart();
downStart = queryDownStart();
if (_isDown)
{
dragDistance += getDragVector().magnitude;
dragVectorFrames[dragVectorFrameIndex++] = (touchPosition - previousTouchPosition);
if (dragVectorFrameIndex >= DRAG_VECTOR_FRAME_COUNT)
{
dragVectorFrameIndex -= DRAG_VECTOR_FRAME_COUNT;
}
coolDownFrac = 1;
}
else
{
coolDownFrac += (0 - coolDownFrac) / 30;
}
// If equal, nothing changed.
if (upStart == downStart)
{
// Do nothing.
}
// Otherwise, if down started, set down to true.
else if (downStart && !_isDown)
{
_isDown = true;
previousTouchPosition = touchPosition;
startTouchTime = Epoch.CurrentMillis();
dragDistance = 0;
// Clear drag vector frames.
for (int i = 0; i < DRAG_VECTOR_FRAME_COUNT; i++)
{
dragVectorFrames[i] = Vector2.zero;
}
}
else if (upStart && _isDown)
{
_isDown = false;
// TODO: Tweak these values.
if (Epoch.MillisElapsed(startTouchTime) < HOLD_TIME && dragDistance / Screen.dpi < .25)
{
_didTap = true;
}
else
{
_didTap = false;
}
}
}