//Spawn children, set sizes, rotation, velocity, position.
void SpawnChild()
{
//Get inactive asteroid instance from the ObjectPool.
GameObject child = spawnerRef.getAsteroidObject();
//Set their transforms to self + small offset, change object scale.
float offset = Random.Range(-childSpawnOffset, 0);
Vector3 currentTransform = transform.position;
child.transform.position = new Vector3(currentTransform.x + offset,
currentTransform.y,
currentTransform.z + offset);
child.transform.localScale = transform.localScale * 0.6f;
Vector3 copy = child.GetComponent <Rigidbody>().velocity;
child.GetComponent <Rigidbody>().velocity =
new Vector3(copy.x * childVelocityMultiplier, 0.0f, copy.z * childVelocityMultiplier);
Asteroid ast = child.GetComponent <Asteroid>();
ast.spawnerRef = spawnerRef;
ast.splitDepth = splitDepth - 1;
ast.scoreValue = (int)(scoreValue * childScoreMultiplier);
}
