generating…
Fractional Brownian motion · voxel island
Island
h = sea + A ( fBm(x,z) · mask(r) − 0.3 )
octaves–
gain–
lacunarity–
sea level–
trees–
faces–
seed–
fps–
drag to look · WASD walk · space jump · F fly · ←→ look · [] octaves · −= sea · R new island

Island

Every hill, beach and treeline here comes out of one height function.

Click to look around. Change the octaves and watch the same island get rougher — that is fBm, one term at a time.