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Procedural planet surface with oceans, biomes and ice caps

In your harnessGodot shaderMIT

Paint a whole planet on a sphere from 3D noise of the surface direction: oceans with shallow coasts, land coloured by height and latitude, ridged mountains, polar ice caps and glossy water, with optional slow spin.

Render of Procedural planet surface with oceans, biomes and ice caps
The render its check recorded in Godot 4.7.2, 256 by 256 pixels.

What it takes and gives

Shader type
spatial
Parameters
deep_ocean (vec4 = 0.02, 0.08, 0.25, 1), shallow_ocean (vec4 = 0.08, 0.35, 0.55, 1), lowland (vec4 = 0.2, 0.42, 0.16, 1), desert (vec4 = 0.78, 0.66, 0.4, 1), highland (vec4 = 0.45, 0.38, 0.3, 1), ice (vec4 = 0.94, 0.96, 1, 1), continent_scale (float = 1.8), sea_level (float = 0.52) and 5 more
Use it on
A sphere centred on its origin (directions come from vertex positions).
Result
A rotating Earth-like planet with blue oceans, green and tan continents, brown highlands and white poles.
Renderers
compatibility: compiled and rendered, forward plus: not verified, mobile: not verified
Placement
res://baltor/godot_shaders/procedural_planet_surface/

Limits. Colour only: the surface is not displaced and has no normal relief. About thirteen octaves of 3D value noise per pixel are costly for full-screen planets. Biomes follow simple rules (height, latitude, one dryness noise), not climate.

Details

Kind
Godot shader
Engine
Godot 4.3 or later
Files
11 files, 65.5 KB
Licence
MIT
Declared effects
reads files, runs commands
Checked with
Godot 4.7.2, opengl3 compatibility (Mesa llvmpipe, Xvfb)
Checks
contract static, engine run, engine log clean, shader in scene, capture written, render not uniform, shader changes pixels
Techniques
3D fractional Brownian motion on the unit sphere, Ridged noise mountain chains, Height and latitude biome rules, Value noise with quintic interpolation and fractional Brownian motion
Tags
godot shader, spatial, planet, procedural, space, biomes, noise
Identity
library.supply.creative_originals.0975f5f7d47cccd3f5f92504.9bcd9ba688132729
Version
9bcd9ba688132729f124ab79e0b1be8b2b4f90535bac11caaf231ccb09fa460a

The version is the SHA-256 of the item your harness downloads; every file in it names its own checksum.

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