Add interactive fire to your URP project. Flames spread between objects, react to water, char surfaces, and can trigger collapse. Tune how each object burns.This package is built for the Universal Render Pipeline (URP). Its fire and smoke shaders and rendering pass use URP features. The Built-in Render Pipeline and HDRP are not supported.Fire Simulation is a dynamic, URP-compatible fire propagation system for Unity.Manage real-time ignition, heat transfer, surface charring, and structural collapse with built-in water cooling interactions.Key FeaturesFire Propagation & Charring: Real-time fire spreading with customizable ignition thresholds, burn duration, and dynamic char/burn shaders.Water Interaction: Cooling logic to extinguish active fires or prevent ignition on wet surfaces.Structural Integrity: Configure objects to break, collapse, or swap meshes upon complete burn-out.Inspector Controls & Demos: Custom inspector for fast setup, bundled with sample shaders, materials, and a fully playable Input System demo scene.Fire Simulation is a runtime fire propagation and rendering tool for the Universal Render Pipeline. Burnable objects use colliders and Rigidbody components. Per-object settings control ignition, fuel consumption, heat transfer, and structural collapse. Water cools and wets surfaces; wind affects fire spread.The package includes 13 C# scripts, 6 shaders, 15 materials, 2 settings assets, and 1 demo scene. Heat simulation uses Unity Jobs, Burst, Collections, and Mathematics. The demo player uses the Input System. Flame rendering uses a URP Render Graph pass and requires shader model 4.5.Included textures: one 128 × 128 wood-grain Texture2D and one 32 × 32 × 32 flame-noise Texture3D. There are no separate normal, metallic, or roughness maps. No standalone 3D model files or animations are included; the demo uses Unity primitive meshes. LODs: No.Tested with Unity 6000.3.9f1 and URP 17.3.0 on Windows. Built-in Render Pipeline and HDRP are not supported. Other platforms have not been verified. An English PDF setup guide is included.AI tools assisted with writing and revising the C# scripts and shaders. The fire and smoke visuals are generated at runtime by the shaders and materials included in the package.
