Requires Unity 5.1.1 or higher.Infinigrass是一个强大的草和预制的绘画和优化系统
InfiniGRASS is a robust grass and prefab painting and optimization system, which allows very detailed next gen grass to be placed in mass quantities on any surface. The grass is controlled for performance with auto grouping, batching and LOD systems that minimize CPU usage, reduce draw calls and enable dynamic options like stepping on grass or making it grow.