OBJ files, convert them to my custom binary file format, generate the distant low-quality models automaticaly (which is also the collision model), generate mipmaps for textures and generate the merged quads' textures, generate flat lightning (using 2 different techniques.more on that later), the collision, the octree (for rendering and collision on the Saturn) and places the entities based on the texture's name. The levels were shared by Andew75 (best known for Project AXSX). It is still a work in progress engine.Ī few words on the engine. Same thing for all the tools needed (converting models, map partition, image conversion, auto-LOD generation, texture generation, 3d animation generation, etc.). The engine - that I just named the Z-Treme engine - is using the Sega Graphic Libraries (kind of OpenGL for the Saturn) and the Sega Basic Libraries (for accessing the hardware for things like audio, cd access, etc.), while the rest of the engine (rendering, collision detection, loading functions, 3d animations, controls, etc.) is coded from scratch. Q : Is the game using the Sonic X-Treme prototypes' code?Ī : No, it's all original code.
The whole control system is designed to keep momentum, so it's normal you can't turn 90 degrees right away when you're running at full speed and you're not supposed to rotate the camera all the time to keep it behind you! Q&A Also, the game is supposed to be played as a sidescroller (d-pad friendly), unlike a game like Super Mario 64. As such, the SAGE 2018 demo is more a tech demo than a full game, but as the engine becomes more mature I will focus more on the gameplay and levels. Keep in mind that little time was put on the gameplay/controls/physics since most of the time was put on the engine itself and all the different tools I needed (SDK.) to create the game and making it work on Saturn. This game also includes a splitscreen multiplayer mode where you can either play the full game versus or coop! While Sonic X-Treme relied on sprites and the fisheye view camera and worked correctly only on pc, this game relies heavily on 3D, including the player's model and enemy models, while also aiming for a stable 30 FPS on the Sega Saturn. Sonic Z-Treme is a new game for the Sega Saturn inspired by the ill-fated Sonic X-Treme.
For all the others, burn the NTSC version (North America, Japan, etc.). Attention : I couldn't test the game on a PAL console, so it might not work correctly! Be aware of that!įor PAL users (Europe and other areas), burn the PAL version.
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