CurvAxis|Planetary World Framework for Unity
Circles Lab
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True-scale, walkable planet generator for Unity. Double-precision terrain, seamless LOD streaming, real gravity, and a living world with settlements and disasters.works primarily on unity 6000.🌍 CURVAXIS — Planetary World Framework for UnityCirclesLab · v0.8.0 · Unity 6+Build, customize and bring entire spherical worlds to life!⚙️ Core Features🌐 True Spherical Terrain ― Generate cube-sphere planets with quadtree streaming, dynamic LOD and cross-LOD border handling.🧭 Planetary Gravity & Movement ― Radial gravity, planet-relative orientation, character movement foundations and Rigidbody adapters.📍 Large-World Precision ― Double-precision coordinates and floating-origin rebasing for planet-scale worlds.🪨 Runtime Terrain Deformation ― Create craters, modify terrain, support construction and preserve terrain edits across streaming.🎨 PBR Surfaces & Geology ― Layer rock, soil, snow, sand and custom materials with slope- and altitude-based surface classification, cliffs and geological details.🌲 Vegetation & Grass ― Planet-aware scattering, terrain grounding and surface-mask integration.🌫️ Planetary Atmosphere ― Planetary sky foundations, aerial perspective, volumetric fog and atmospheric integration with water.🌊 Planetary Water ― Spherical water queries, underwater rendering, swimming foundations, waves and multi-point buoyancy.🏞️ Hydrology ― Baked drainage graphs, river and lake generation foundations, generated channels, banks and terrain integration.🌦️ Weather & Wind ― Planet-relative weather cells, spherical wind, clouds, rain, snow, lightning and environmental effects.🛰️ Real-World Elevation ― Import local elevation data, use provider adapters and work with tiled global or regional terrain. Includes Mars and Moon sample configurations.🛣️ Planetary World Building ― Curved roads, construction placement, planetary spawning, surface-aligned structures and settlement authoring.🎮 Planet-Native Gameplay ― Moving platforms, planetary doors, projectiles, interactions, forces, explosions and environmental gameplay hooks.💾 Persistence & World Simulation ― Save world state and terrain deformation, with foundations for settlements, agents, events and disasters.🚀 Developer Tools & WorkflowPlanet Designer and Authoring Hub.Dependency Checker and World Validator.Samples & Demos Hub.Configurable terrain streaming and LOD.Shared materials and reusable surface libraries.Offline HTML documentation included.Allocation-conscious systems and bounded runtime caching.🎮 What Can You Build?🌍 Survival and exploration games.🚀 Science-fiction planets.🏕️ Colony and settlement simulations.👑 God games and global strategy.⚒️ Terraforming sandboxes.🧙 Spherical RPGs.🌑 Stylized planetoids.🏗️ Planetary construction games.🌊 Planetary exploration simulations.🖥️ Requirements & CompatibilityUnity: Unity 6 or newer.Validated version: Unity 6000.3.16f1.Primary render pipeline: URP 17.3.0.Dependencies: Unity Mathematics, Burst and Collections.Sample input: Unity Input System.URP is the primary supported rendering target. HDRP and Built-in Render Pipeline integrations are not established in this release. Other versions and platforms require separate verification.⚠️ Important NotesDesigned around a single active planet, not a solar-system manager.Hydrology uses baked data and controlled rebuilding, not continuous global fluid simulation.Weather is not a physical climate solver.Production scientific elevation datasets are not included.Optional third-party integrations may require separate purchases.Curvaxis is a development framework, not a complete game.📜 Third-Party Content & CopyrightIncludes the Poly Haven Red Sand sample material, credited to Rohit Seervi, under CC0 1.0 Universal.Source: https://polyhaven.com/a/red_sandLicense and third-party notices are included in the package.COPYRIGHT © 2026 CIRCLESLAB. ALL RIGHTS RESERVED.🌍 CURVAXIS — BUILD THE PLANET. BUILD THE GAME.CirclesLabThanks for reading ❤️True double-precision coordinate system with floating-origin supportCube-sphere quadtree LOD streaming, multi-threaded via Unity BurstNon-destructive real-time voxel/heightmap terrain deformationSpherical gravity system (PlanetGravitySource / GravityBody / GravityService)Volumetric atmosphere & cloud layer systemSettlement & ruin authoring tools with suitability scoringLiving World Manager: dynamic settlement growth, commodity trading economy, spherical territory (Voronoi) cellsDisaster Manager with definable planetary disaster eventsModular tangent-plane construction system with socket matching on curved surfacesSpherical road network generationAgent navigation & crowd systemWorld persistence system1-click genre starter presets (Adventure RPG, Survival Crafting, Colony Sim, City Builder, 4X Strategy)Scale hardening: zero-GC-per-frame streaming, native memory pools, hard memory ceilings, multi-tier quality profilesThird-party integration supportNetworking architecture guidance for multiplayerCharacter locomotion & orbit camera system includedOffline manual, 20+ scenario troubleshooting matrix, architecture decision recordsI used AI to brainstorm, i made the tools from my ideas then gave it to her to make comments, refactor the scripts based on my direction to better result.Also gave her my rough written documentation to update the Grammer used and spelling then I structured it. it was also used in creating and assisting in some art assets.
