powder

Written in C++ and using SDL, The Powder Toy is a desktop version of the classic 'falling sand' physics sandbox, it simulates air pressure and velocity as well as heat.

翻译 - Powder Toy是用C ++编写并使用SDL编写的，是经典的“落沙”物理沙箱的桌面版本，它可以模拟气压，速度以及热量。