Implement Procedural Generator

[thephox1982]

This plugin is wonderful but I haven't seen anything in relation to procedural generation other than from a heightmap image based on ones location. What I am needing is the ability to generate terrain based on position via a seed system, so that the same geography is present whenever the player visits the area again in the future. The user must also be able to terraform the terrain and it be saved for later loading when they revisit the area.

This would be similar to say MapMagic 2 which is a Unity asset.

If this is possible by using another plugin along with Terrain3D, I'd like to hear about that!
Otherwise it might be something to consider adding to Terrain3D as a powerful feature for open worlds.

[TokisanGames]

You can generate your own terrain in code right now. There's even a demo for it. But the demo gets a default 8-bit image from the noise library and it looks terrible. But you can make your own 16-bit or 32-bit image from the noise library and use that to make your own maps. Whatever seed settings you put into the library will generate the same noise map.

We may include a generator in the UI to create a base for sculpting, but everything you need to do it in the editor or in game is there right now.

This system is entirely designed around heightmap images. The above lets you procedurally generate heightmaps in game. If you want procedural terrain that generates based upon algorithms only, this isn't the tool for you. Zylann has a voxel terrain for Godot that might be what you want.

[TokisanGames]

The CodeGenerated Demo was updated to generate terrain 32-bit noise in 5aa71f5.

This ticket will track the possible inclusion of a terrain generation tool. Auburn offers his whole library in GLSL which could be included as a compute shader based terrain generator, which would depend on #174.
https://github.com/Auburn/FastNoiseLite/tree/master/GLSL

[TokisanGames]

Actually, contrary to the last comment, procedural generation is already tracked in #101. So with the codegenerated demo showing how to generate a noise image to create a terrain at runtime, and #101 providing more image generation options, this ticket is a duplicate. There are no plans to create terrains that are not based on a heightmap image, purely algorithmic, or runtime user modification. Zylann's voxel tools is the best system for those.