AFS Products Terrain Modelling AFS has a reasonably flexible and powerful terrain model. In the physics of AFS, terrain causes friction between the blob and the terrain, gradually slowing the blob down.
Solid terrain is considered to have infinitely high friction.
Different blobs can be affected by terrain in different ways. Even the types of terrain that are available in a scenario are completely configurable. The data structure terrain-i , short for terrain information, stores all of the information about terrain and terrain layout. A friction profile defines the relationship between a specific blob type and all the types of terrain on the board. This stores all of the terrain features of a board.