public void OnBeginDrag(PointerEventData eventData)
{
/*1.OnBeginDrag converts the touch position to a local Vector2 using the
* RectTransformUtility.ScreenPointToLocalPointInRectangle method.
* 2.If the magnitude of the calculated vector is less than the radius variable, then the
* vector is reset so that it’s between a value of 0 and 1.isHeld is set true, then this
* statement updates the d-pad sprite and invokes the OnValueChange event.*/
if (!IsActive())
{
return;
}
RectTransform thisRect = transform as RectTransform;
Vector2 touchDir;
bool didConvert =
RectTransformUtility.ScreenPointToLocalPointInRectangle(thisRect, eventData.position,
eventData.enterEventCamera, out touchDir);
if (touchDir.sqrMagnitude > radius * radius)
{
touchDir.Normalize();
isHeld = true;
ActionPadDirection currentDirection = UpdateTouchSprite(touchDir);
OnValueChange.Invoke(currentDirection);
}
}
public void SetAxis(Vector2 axis)
{
_DisplayAxis = axis;
float fMagnitude = _DisplayAxis.magnitude;
if (fMagnitude > 1f)
{
_DisplayAxis = _DisplayAxis / fMagnitude;
}
if (fMagnitude > _DeadZone)
{
_InputAxis = _DisplayAxis;
_InputAxis *= _OutputCurve.Evaluate(fMagnitude);
}
else
{
_InputAxis = Vector2.zero;
}
if (!_DontCallEvent && OnValueChange != null)
{
OnValueChange.Invoke(_InputAxis);
}
UpdateJoystickGraphic();
}
public void OnBeginDrag(PointerEventData eventData)
{
if (!IsActive())
{
return;
}
RectTransform thisRect = transform as RectTransform;
Vector2 touchDir;
bool didConvert = RectTransformUtility.ScreenPointToLocalPointInRectangle(thisRect, eventData.position, eventData.enterEventCamera, out touchDir);
if (touchDir.sqrMagnitude > radius * radius)
{
touchDir.Normalize();
isHeld = true;
ActionPadDirection currentDirection = UpdateTouchSprite(touchDir);
OnValueChange.Invoke(currentDirection);
}
}
private void Update()
{
if (Input.GetMouseButtonDown(0))
{
startPosition = RaycastUtils.raycastPositionWith(cam, y: 1);
}
if (Input.GetMouseButton(0))
{
Vector3?position = RaycastUtils.raycastPositionWith(cam, y: 1);
if (position.HasValue)
{
onJoystickMove.Invoke(position.Value);
}
}
if (Input.GetMouseButtonUp(0))
{
startPosition = null;
onFingerReleased.Invoke();
}
}
public static void InvokeJoystickMove(bool move)
{
JoystickMoveEvent.Invoke(move);
}