void Update()
{
RaycastHit hit;
Touch touch;
if (Input.touchCount < 1 ||
EventSystem.current.IsPointerOverGameObject((touch = Input.GetTouch(0)).fingerId))
{
return;
}
if (touch.phase == TouchPhase.Stationary)
{
stationaryTime += Time.deltaTime;
}
else
{
stationaryTime = 0;
}
if (stationaryTime >= stationaryTimeLimit)
{
stationaryTime = 0;
touch.phase = TouchPhase.Ended;
}
switch (touch.phase)
{
case TouchPhase.Began:
Vector3 touchWorldPosition = mainCamera.ScreenToWorldPoint(
new Vector3(
touch.position.x,
touch.position.y,
mainCamera.nearClipPlane
)
);
Vector3 touchDirection = touchWorldPosition - mainCamera.transform.position;
if (Physics.Raycast(touchWorldPosition, touchDirection, out hit))
{
if (hit.transform.gameObject == gameObject)
{
dragged = true;
objectPosition = transform.position;
objectPositionVector = objectPosition - mainCamera.transform.position;
}
}
//can play pick up sound here
soundManager.PlayPickUp();
break;
case TouchPhase.Moved:
case TouchPhase.Stationary:
if (dragged)
{
DragObject();
TriggerDragEvent();
Handheld.Vibrate();
// Make the object follow the touch raycasting line
touchWorldPosition = mainCamera.ScreenToWorldPoint(
new Vector3(
touch.position.x,
touch.position.y,
mainCamera.nearClipPlane
)
);
touchDirection = touchWorldPosition - mainCamera.transform.position;
float x = objectPositionVector.y / touchDirection.y;
Vector3 movementVector = x * touchDirection - objectPositionVector;
transform.position = objectPosition + movementVector;
// Check if the target object intersects with the ray
Debug.DrawRay(touchWorldPosition, touchDirection * 100f, Color.red, 0.5f);
RaycastHit[] hits = Physics.RaycastAll(touchWorldPosition, touchDirection);
if (hits != null)
{
foreach (var target in hits)
{
for (int i = 0; i < targets.Count; i++)
{
if (target.transform.gameObject == targets[i])
{
dragged = false;
DropObject();
TriggerDropEvent(resultEvents[i]);
BillBoardImage imageObject = gameObject.GetComponent <BillBoardImage>();
if (imageObject != null)
{
imageObject.Trigger();
}
}
}
}
}
}
break;
case TouchPhase.Ended:
if (dragged)
{
dragged = false;
DropObject();
}
break;
}
}
