void OnMouseDown()
{
if (available > 0)
{
generated = Instantiate(particle.GetParticleObject());
generated.GetComponent <ParticleScript>().OnMouseDown();
generated.transform.position = Camera.main.ScreenToWorldPoint(Input.mousePosition);
generated.transform.position = new Vector3(generated.transform.position.x, generated.transform.position.y, 0);
particle.Decrement();
}
}