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Miloslav Číž 2020-04-11 16:47:29 +00:00
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@ -110,6 +110,8 @@ portability, only backend, avoiding dependencies
how to port to new platform, frontend, configs in files how to port to new platform, frontend, configs in files
All global identifiers of the game code start with the prefix `SFG_` (meaning *suckless FPS game*).
The **engine** -- raycastlib -- works on the principle of **raycasting** on a square grid and handles the rendering of the 3D environment (minus sprites). There is a copy of raycastlib in this repository but I maintain raycastlib as a separate project in a different repository, which you can see for more details about it. For us, the important functions interfacing with the engine are e.g. `SFG_floorHeightAt`, `SFG_ceilingHeightAt` (functions the engine uses to retirieve floor and ceiling height) and `SFG_pixelFunc` (function the engine uses to write pixels to the screen during rendering, which in turn uses each platform's specific `SFG_setPixel`). The **engine** -- raycastlib -- works on the principle of **raycasting** on a square grid and handles the rendering of the 3D environment (minus sprites). There is a copy of raycastlib in this repository but I maintain raycastlib as a separate project in a different repository, which you can see for more details about it. For us, the important functions interfacing with the engine are e.g. `SFG_floorHeightAt`, `SFG_ceilingHeightAt` (functions the engine uses to retirieve floor and ceiling height) and `SFG_pixelFunc` (function the engine uses to write pixels to the screen during rendering, which in turn uses each platform's specific `SFG_setPixel`).
integer math integer math