void explode()
{
//destroy obj
Destroy(this.gameObject);
//instantate explosion
ExplosionController ec = explosionImage.GetComponent <ExplosionController>();
ec.init(myCreator, isDamagingExplosion);
Instantiate(explosionImage, myTransform.position, Quaternion.identity);
//shake camera
if (isScreenShaker)
{
CameraController cc = Camera.main.GetComponent <CameraController> ();
cc.shakeCamera();
}
}