了解如何在After Effects中XYZ轴，将2D图层转换成3D图层并制作创建一个立方体和动画，在三维空间如何添加阴影和灯光，使用NULL层父子图层的链接关系…
教程内容：
HOW TO UNDER STAND AFTEREFFECTS XYZ AXIS
CONVERTING 2D LAYERS IN TO 3D LAYERS AND USE THEM TO CREATE A CUBE AND ANIMATE IT
HOW TO ADD SHADOWS AND LIGHTS IN 3D SPACE
HOW TO PARENT LAYERS AND USE A NULL OBJECT
请先 ！