This is a heightmap-based terrain node for Godot Engine 2.1, written in GDScript.
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Custom Terrain node
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Resizeable square between 1 and 1024 units of space
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Paint and smooth the terrain in the editor
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Brush with customizable shape, size and opacity
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Takes advantage of frustum culling by chunking the terrain in multiple meshes
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Collisions
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Smooth or hard-edges rendering
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Save to image and normal map
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Terrain data saved inside the scene like Tilemap and Gridmap
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Edition behaviour works both in editor and game
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Undo/redo
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Experimental: quad rotation to improve shading in some cases
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Extras: sample assets in this repo :)
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Meshing is very slow (will this plugin remain pure GDScript?)
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Level of detail (non-trivial! Requires faster meshing)
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Baked mode for faster terrain loading (it is currently rebuilt from data both in editor and game)
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Save terrain data as a separate resource to unbloat the scene file
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Decorrelate resolution and size
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Make Terrain inherit Spatial so it can be moved around
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Paint meshes on top of the terrain (grass, trees, rocks...) <-- I want to make a vegetation generator plugin too :p
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Improve normals (data "pixels" produce lighting artefacts)
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Texture painting
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Make live edition work
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Mesh simplification (an editor lib would be welcome)
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Infinite terrain mode
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Extras: importer for terrains made in DCCs (Blender/3DS etc)