void Start()
{
// Create a position finder to follow the target's position on screen.
positionFinder = new OnScreenPositionFinder(GetComponentInParent <Canvas>().GetComponent <RectTransform>(), playerCamera);
}
void Start()
{
// Create a new screenPosFinder from our parent canvas.
screenPosFinder = new OnScreenPositionFinder(GetComponentInParent <Canvas>().GetComponent <RectTransform>(), playerCamera);
}
