Developers Manual > Cocos2d-x > How To > User Contributed Tutorials > User Tutorial-Realistic looking animated real-time clouds Realistic looking animated real-time clouds¶ Contributed By: KJS In this tutorial you will learn how to do multitexturing with cocos2d-x 3.0, create your own shader, and how to modify shader variables at runtime. The effect we are creating is realistic looking real-time