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Solar System Game Demo

This is a 3D space game demo, with procedurally-generated planets. It is a technical demo for one use of the Voxel Tools module and Godot 4.

Video

Features

  • Procedurally-generated planets and moon (1 to 2 Km in radius, or 10 to 20 Km in large scale mode)
  • Deterministic, non-realistic celestial motion at all times
  • Simple atmospheres
  • Fully editable terrain using voxels
  • Persistent changes with save files per planet
  • Ravines
  • Cave systems deep underground (not easy to reach, most entries are in ravines)
  • Spaceship flight from ground to space
  • Motion trails
  • Sound effects and ambiances
  • Origin shifting allowing the whole system to be around 50Km in size (takes place only once when close enough to a planet)
  • Third-person character
  • Simple environment props such as rocks and grass
  • Basic waypoint system to pin locations
  • Main menu and in-game menu with settings
  • Option to increase the scale of planets x10 (physics is buggy on planets, maybe unless you use a double-precision Godot build)
  • Lens flares from SIsilicon, ported to Godot 4 for the demo

Note: This is a demo project, so any lack of gameplay, placeholders or absence of roadmap is intentional. It is meant to showcase an example of how to start making a game like this. There is no plan to make it a fully-fledged space game, but bug-fixes or small improvements may be welcome.

Textures are from https://ambientcg.com/
Sound effects are partly from https://sonniss.com/gameaudiogdc

Performance

You need a computer with a powerful CPU to run this. By default, Vulkan is required, but it might work in GLES3 if you turn off Vulkan-only features like GPU detail rendering. For reference, with an AMD Ryzen 5 2600 6-core CPU, an nVidia GeForce GTX 1060 6Gb graphics card and an optimized Godot build, this demo starts up in 5 seconds, uses about 1 Gb of RAM and should mostly sustain 60 FPS.

Controls

In spaceship mode:

  • The mouse orientates the ship
  • A and D rolls left or right
  • W goes forward
  • S goes backward
  • Spacebar activates super-speed. Only works when far enough from a planet.
  • E to jump off the ship. Only works when properly landed on the ground.

In character mode:

  • Mouse to orientate the head and camera
  • Left Mouse Button to dig
  • Right Mouse Button to place blobs of ground (WARNING, there is no check if you dig yourself in)
  • W,A,S,D to move
  • Spacebar to jump
  • F to toggle flashlight
  • T to place a waypoint

Dependencies

You need to use a custom version of Godot Engine including the Voxel Tools module. See how to get one here: https://voxel-tools.readthedocs.io/en/latest/getting_the_module/