void OnMouseDrag()
{
// only update the transform of this rope fragment if it is moveable
if (ropeModel.IsFragmentMoveable(gameObject))
{
Vector3 updatedPosition
= offset
+ Camera.main.ScreenToWorldPoint(
new Vector3(Input.mousePosition.x,
Input.mousePosition.y,
screenPoint.z));
// retain the y and z coordinates of the rope fragment,
// as we want a simple user control of moving fragments only in x axis
updatedPosition.y = transform.position.y;
updatedPosition.z = transform.position.z;
ropeModel.MoveRope(gameObject, updatedPosition);
}
}
