# Surface textures and daylight

Powered by [Poly Haven](https://polyhaven.com/). These bundled assets are CC0: https://polyhaven.com/license . The game makes no runtime calls to the asset API.

| Asset | Bundled files | Source |
| --- | --- | --- |
| Asphalt 02 | 1K diffuse and OpenGL normal JPEGs | https://polyhaven.com/a/asphalt_02 |
| Granite Tile | 1K diffuse and OpenGL normal JPEGs | https://polyhaven.com/a/granite_tile |
| Grass Path 2 | 1K diffuse and OpenGL normal JPEGs | https://polyhaven.com/a/grass_path_2 |
| Leafy Grass | 1K diffuse and OpenGL normal JPEGs | https://polyhaven.com/a/leafy_grass |
| Cobblestone Floor 03 | 1K diffuse and OpenGL normal JPEGs | https://polyhaven.com/a/cobblestone_floor_03 |
| Kloofendal 48d Partly Cloudy Puresky | 1K HDR, renamed sky/daylight.hdr | https://polyhaven.com/a/kloofendal_48d_partly_cloudy_puresky |

Exact surface download URLs are in surfaces/sources.json. The sky file came from https://dl.polyhaven.org/file/ph-assets/HDRIs/hdr/1k/kloofendal_48d_partly_cloudy_puresky_1k.hdr .

These are generic material and sky resources; they are not photographs of Oulu streets or Oulu-specific scans. Rotuaari stripe spacing, ground tinting and material assignments are game adaptations. Original reference photographs consulted for landmarks are not redistributed.