本程序主要介绍雨滴的模拟技术，雨滴的模拟包括雨滴在空中的运动状态和雨滴滴在水面上的波形的运动状态。模拟真实，值得学习。-This procedure introduces the rain simulation technology, simulation of rain, including rain in the air campaign to state and rain drops in the surface of the water wave motion. Virtual real