From this sentence, it can be seen that the light map does not only generate shadows but also can cover the model with new colors. The size of the light map has a great influence on the clarity of the shadows in the scene and the ambience of the overall scene. Light map: Covers the building and the road surface with a layer of light.
The overall modeling scene optimization is derived from an approximately square-shaped region that is divided into blocks. If you export the scene in chunks, you will only render the models in the range of perspectives and will not render models that are completely invisible. In this case, block derivation can be used to increase efficiency. The number of models in the scene should not be much, and too many models will seriously affect the efficiency and speed of the game. If you export the entire scene together, the model of the entire scene will be rendered together. Scene segmentation: In the game, no matter where your perspective is, you may only see hundreds of face models in your view direction. Based on this, the necessity of scene segmentation is only available. The angle of view is constantly changing with the movement of the player. Range of view: The range of view is the range of the game scene that the player can see in the game. You also need to master some lighting, the use of the renderer, and the operation of the light map baking.
Need to be proficient in the operation of the 3ds max tool. It is also important to note that the ground made in this way is very environmentally friendly. There are many maps on the ground in the city, and there are more than three roads, sidewalks, lawns, etc., and the streets in the town are unconventional, which is impossible for the terrain generation editor. It is suitable for selecting 2~3 textures. The more the number of surface maps selected, the lower the running efficiency of the game. Because the terrain map is used to create terrain, the number of surface maps can't be too much. In the more regular terrain, such as a modern city, a small town, an underground palace, etc., there are such limitations. Using the terrain generation editor has great advantages in simulating natural terrain effects, but it also has limitations.
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