要求Unity 2017.3.1 或更高版本。
Basic Sand & Snow allow you to add simple deformable grounds to your games. Relying both on classic and compute shaders, it has nearly no CPU cost and doesn't require to set up complex colliders on your scenes or characters.基本的沙和雪可以让你添加简单的变形地面到你的游戏。它依赖于经典和计算明暗器，几乎没有CPU成本，并且不需要在场景或角色上设置复杂的碰撞器
Notes :
* This asset require Compute Shaders for some of its effects, make sure your system is compatible.
* Since it's a basic implementation, it only work with (initially) flat meshes. Curved meshes or Unity's terrain aren't compatible.
