protected void Update()
{
if (!Input.GetKeyDown(this.generateKey))
{
return;
}
int index = RandomEx.Index(this.primitiveRates);
GameObject newObject = GameObject.CreatePrimitive(this.primitiveTypes[index]);
GameObject.Destroy(newObject, RandomEx.Range(0.2f, 0.5f));
this.generateCount[index] += 1;
}