void Update()
{
bool startMagnetizing = Input.GetMouseButtonDown(0);
bool continueMagnetizing = Input.GetMouseButton(0);
bool stopMagnetizing = Input.GetMouseButtonUp(0);
if (startMagnetizing)
{
magnetizableObject = FindNearestMagnetizableObject(Input.mousePosition, magnetizeRadius);
magnetizableObject?.SetMagnetized(true);
}
if (continueMagnetizing)
{
magnetizableObject?.UpdateMagnetizePosition(Input.mousePosition);
}
if (stopMagnetizing)
{
if (magnetizableObject != null)
{
magnetizableObject.SetMagnetized(false);
}
}
}
private MagnetizableObject FindNearestMagnetizableObject(Vector2 point, float radius)
{
Collider2D[] overlappedCollider2DArray = Physics2D.OverlapCircleAll(point, radius);
foreach (Collider2D overlappedCollider2D in overlappedCollider2DArray)
{
MagnetizableObject magnetizableObject = overlappedCollider2D.gameObject.GetComponent <MagnetizableObject>();
if (magnetizableObject != null)
{
return(magnetizableObject);
}
}
return(null);
}
