public void Update()
{
switch (state)
{
case DragingStatus.draging:
{
//if(transform.position != cursorPosition)
//let the bottle to chase the cursor
//{
Vector3 cursorPoint = new Vector3(Input.mousePosition.x, Input.mousePosition.y, screenPoint.z);
cursorPosition = Camera.main.ScreenToWorldPoint(cursorPoint) + offset;
transform.position += (cursorPosition - transform.position) / 10;
//transform.position = Vector3.MoveTowards(transform.position, cursorPosition, 0.1f);
//}
break;
}
case DragingStatus.returning:
{
transform.position = Vector3.MoveTowards(transform.position, originalPosition, 0.3f);
//set the Potion back when it's closer enough to original position
if (Vector3.Distance(transform.position, originalPosition) <= 0.5f)
{
transform.position = originalPosition;
transform.rotation = originalRotation;
GetComponent <Rigidbody>().useGravity = originalGravity;
GetComponent <Rigidbody>().velocity = Vector3.zero;
GetComponent <Rigidbody>().freezeRotation = true; //Stop!
state = DragingStatus.idle;
}
break;
}
}
}
public void Start()
{
state = DragingStatus.idle;
originalPosition = transform.position;
originalRotation = transform.rotation;
originalGravity = GetComponent <Rigidbody>().useGravity;
}
void OnMouseDown()
{
//begin to drad, remove gravity
if (state == DragingStatus.idle)
{
state = DragingStatus.draging;
GetComponent <Rigidbody>().useGravity = false;
GetComponent <Rigidbody>().freezeRotation = false;
//calculate the offset
screenPoint = Camera.main.WorldToScreenPoint(gameObject.transform.position);
offset = gameObject.transform.position - Camera.main.ScreenToWorldPoint(new Vector3(Input.mousePosition.x, Input.mousePosition.y, screenPoint.z));
//set initial position of cursor
Vector3 cursorPoint = new Vector3(Input.mousePosition.x, Input.mousePosition.y, screenPoint.z);
cursorPosition = Camera.main.ScreenToWorldPoint(cursorPoint) + offset;
}
}
public void ReturnBack()
{
state = DragingStatus.returning;
}
public void CheckBack()
{
state = DragingStatus.checking;
Invoke("ReturnBack", 0.1f);
}