Simplex Terrain Generation FAQ
9 questions players actually ask, answered.
What does Simplex Terrain Generation do?
It is a world generation mod that uses Simplex noise to produce more varied and natural terrain, with expansive mountains and optimized generation. It also lets you extensively customize terrain generation through a config file.
How do I use Simplex Terrain Generation?
Select the world type "Simplex Terrain" when creating a new world. Server owners should set "simplex" as the level type in server.properties.
What mod loader does Simplex Terrain Generation require?
It requires Fabric API.
Does Simplex Terrain Generation add new items or blocks?
No, it is a world generation mod focused on terrain and biomes, not on adding new items or blocks.
How do I configure Simplex Terrain Generation?
On first launch, a file called simplexterrain.json is created in your config folder, containing many values you can tweak for terrain generation.
How does Simplex Terrain Generation place biomes?
Biomes are placed in 7 distinct regions to make terrain more natural. Deep ocean variants occupy Y0–Y29, ocean variants Y30–Y60, beach Y63–Y66, and from Y67 onward biomes are split into four height-based regions (Y67–Y90, Y91–Y140, Y141–Y190, Y191–Y256) that generally get colder as height increases.
How does Simplex Terrain Generation generate terrain height?
It uses a heightmap made of simplex noise normalized to fit between 256 and 0. That heightmap is used both to place blocks and to place biomes.
Can I change the heights where biome regions start in Simplex Terrain Generation?
Yes, the config lets you change the heights at which the biome regions start.
Will Simplex Terrain Generation have a config for more cold or hot biomes?
A config for increasing the amount of cold or hot biomes is planned to be available in version 0.5.0.