void Start()
{
GameObject pixel_res = Resources.Load("pixel") as GameObject;
for (int i = 0; i <= 50; i++)
{
GameObject pixel = Instantiate(pixel_res) as GameObject;
particle particle = pixel.GetComponent <particle> ();
int size = (int)(Random.value * 3) + 1;
pixel.transform.localScale = new Vector2(size, size);
int life_time = (int)(60 * Random.value + 60);
int wait_time = (int)(15 * Random.value);
float speed = 3.5f;
Vector2 speed2 = new Vector2(Random.value * 2 - 1, Random.value * 2 - 1).normalized *speed;
particle.init(life_time, wait_time, new Color(1, 0.8978f, 0, 1), new Color(1f, 0.259f, 0, 1));
particle.set_gravity(0.05f * (Random.value * 2 - 1) + 0.8f);
particle.set_speed(speed2);
particle.set_target(transform.parent.gameObject);
particle.set_position_miu(transform.localPosition);
}
Destroy(transform.gameObject);
}