They are not actually rendered as a separate layer and are embedded into terrain shaders. Roads, that map author places within Level Editor, are then baked into a special data that game uses to draw them efficiently. (A “plant” is an object that is scattered over the terrain in large quantities, like rocks or trees.) They are maintained by the same systems that simulate and render all other plant types in the game. These are bigger chunks of mud, each is a full-fledged rigid body so they interact with the physics world properly and they even break into smaller chunks, when vehicles drive over.
A lockless synchronization technique makes that whole effect very performance-friendly. Mud particles are simulated by the CPU in a separate thread. Those objects float on top of the mud and are affected by vehicle wheels (can stick to them even), they only act as decoration and don’t affect the physics. Terrain Mud Decals (will get back to it later)Ģ. Now let’s take away all the layers in the reverse order they are applied when the game renders a frame.ġ.
Let’s start by disabling post-processing: SSAO (ambient shadows), FXAA (softens object edges), DOF (blurs foreground), Sharpen Effect and Color Correction: Let’s take a game screenshot and decompose it. The author of this blog post is lead developer of the game. Spintires:MudRunner doesn't use third-party game engine.
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