Unity Game Optimization - Third Edition

A small example

Imagine you want to have thousands of similar items in your scene. This is not a strange request; there may be many valid reasons for that: you may wish to render thousands of ships in a gigantic galactic battle, or you may want to animate thousands of units for a Real-Time Strategy (RTS) game, or you may want to handle a massive number of particles.

For simplicity, in our demo, we want a scene with 10,000 spinning cubes. So let's begin:

1. Each cube will have a single MonoBehaviour instance that executes a very simple rotation cube:

using UnityEngine;namespace Classic{  public class Rotator : MonoBehaviour  {    public float rotationSpeed;    void Update()    {      transform.Rotate(0f, rotationSpeed * Time.deltaTime, 0f);    }  }}

The script ...