void Start()
{
//GetComponent<SpriteRenderer>().sprite = sprites[Mathf.FloorToInt(Random.value * sprites.Length)];
//GetComponent<SpriteRenderer>().sprite = sprites[RandUtil.Int(sprites.Length)];
GetComponent <SpriteRenderer>().sprite = sprites.RandomValue();
transform.position += (Vector3)(positionVariation * Random.insideUnitCircle);
Rigidbody2D rigid = GetComponent <Rigidbody2D>();
if (rigid != null)
{
GetComponent <Rigidbody2D>().velocity = velocity + velocityVariation * Random.insideUnitCircle;
GetComponent <Rigidbody2D>().angularVelocity = RandUtil.Variance(angularVelocity, angularVelocityVariation);
}
}