常量组N常量组NTreesNTreesloading_screen/common/defines/graphic/00_graphics.txt:499常量 3NNTrees|FADE_FARNNTrees|FADE_NEARNNTrees|QUAD_SIZE定义loading_screen/common/defines/graphic/00_graphics.txt:499500FADE_FAR = 1.0501FADE_NEAR = 0.0502QUAD_SIZE = 100