void endEffect()
{
playerWeapon playerScript = player.GetComponent <playerWeapon>();
playerScript.powerUp(false, type);
Destroy(gameObject);
}
void startEffect()
{
playerWeapon playerScript = player.GetComponent <playerWeapon>();
playerScript.powerUp(true, type);
GetComponent <SpriteRenderer>().enabled = false;
GetComponent <CircleCollider2D>().enabled = false;
}