Computes per-cell temperature (0–1) from latitude, elevation, and noise. Hot at the equator, cold at the poles and at high elevation. Returns a Float32Array indexed by row * map.width + col.
Computes per-cell temperature (0–1) from latitude, elevation, and noise. Hot at the equator, cold at the poles and at high elevation. Returns a Float32Array indexed by row * map.width + col.