EasyGame Lesson07 – Billboard Trees

Billboard is a special kind of plane that always face to the player camera. Billboard tress are just some planes that textures with some tree shapes. This method could simplify the tree model a lots, but of course tress are not planes. This technology used vastly on some lower power hardware to gain a good FPS in game. Currently, you may not such trees any more. One reason is the GPU hardware is very powerful and cheap, another reason some new solutions come out that could balance the visual effect and the FPS well.
 
The full source code could be found from here.