🪐 Load Exoplanet Textures

🌍 Surface Maps
Planet surface color / diffuse texture
Terrain bump detail (tangent space)
Vertex displacement + parallax depth
Surface smoothness variation
Ocean/ice reflectivity (Phase B.2)
City lights on dark hemisphere (Phase B.1)
☁️ Cloud Layer 1 — Cumulus (Low, r=1.003)
Cloud texture — if absent: volumetric 3D fBM
Cloud normal map (optional)
☁️ Cloud Layer 2 — Cirrus (High, r=1.010)
Cloud texture — if absent: volumetric 3D fBM
Cloud normal map (optional)
💫 Planet Rings (J.1)
1D radial strip — if absent: procedural Saturn-like rings
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