//This function is dropping the target
public void DropTarget()
{
moveAllowed = false;
targetGameObject = null;
if (target != null)
{
target.Drop();
}
target = null;
}
// Update is called once per frame
void Update()
{
if (Input.touchCount > 0)
{
Touch touch = Input.GetTouch(0);
//Save touch position (World)
Vector2 touchPos = Camera.main.ScreenToWorldPoint(touch.position);
switch (touch.phase)
{
//if he player was touched the screen
case TouchPhase.Began:
Ray ray = Camera.main.ScreenPointToRay(touch.position);
RaycastHit2D hit = Physics2D.Raycast(touchPos, Camera.main.transform.forward);
if (hit.collider != null)
{
var temp = hit.collider.gameObject.GetComponent <IDraggeable>();
if (temp != null)
{
//if the touch begin into the object collider, then we permit the movement
moveAllowed = true;
target = temp;
targetGameObject = hit.collider.gameObject;
target.Pick();
}
}
break;
//if we are moving ours fingers in the screen
case TouchPhase.Moved:
if (moveAllowed && target != null)
{
//target.gameObject.transform.Translate(touch.deltaPosition);
targetGameObject.transform.Translate((new Vector3(touchPos.x, touchPos.y, 0)) -
new Vector3(lastTouchPos.x, lastTouchPos.y, 0));
target.Drag();
}
break;
case TouchPhase.Ended:
if (target != null)
{
DropTarget();
}
break;
}
lastTouchPos = touchPos;
}
else
{
mousePos = Camera.main.ScreenToWorldPoint(Input.mousePosition);
if (Input.GetMouseButtonDown(0))
{
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
RaycastHit2D hit = Physics2D.Raycast(mousePos, Camera.main.transform.forward);
if (hit.collider != null)
{
var temp = hit.collider.gameObject.GetComponent <IDraggeable>();
if (temp != null)
{
//if the touch begin into the object collider, then we permit the movement
moveAllowed = true;
target = temp;
targetGameObject = hit.collider.gameObject;
target.Pick();
}
}
}
if (Input.GetMouseButton(0) && target != null)
{
if (moveAllowed)
{
target.Drag();
targetGameObject.transform.Translate((new Vector3(mousePos.x, mousePos.y, 0)) - new Vector3(lastPos.x, lastPos.y, 0));
}
}
if (Input.GetMouseButtonUp(0) && target != null)
{
DropTarget();
}
}
lastPos = mousePos;
}
