void Explode()
{
// 1 0.5 0.25
// check the size of the rock
if (transform.localScale.x > 0.5f)
{
mainRef.BreakRock(2, transform.position, 0.5f);
}
else if (transform.localScale.x <= 0.5f && transform.localScale.x > 0.25f)
{
mainRef.BreakRock(3, transform.position, 0.25f);
}
mainRef.updateScore(1);
mainRef.rocks.Remove(this);
Destroy(gameObject);
}