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https://github.com/SaintGimp/GenesisEngine
Experiments with procedurally-generated worlds, XNA, and design patterns
https://github.com/SaintGimp/GenesisEngine
Last synced: 6 days ago
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Experiments with procedurally-generated worlds, XNA, and design patterns
- Host: GitHub
- URL: https://github.com/SaintGimp/GenesisEngine
- Owner: SaintGimp
- License: ms-pl
- Created: 2010-02-25T06:18:55.000Z (over 14 years ago)
- Default Branch: master
- Last Pushed: 2018-12-17T22:40:43.000Z (almost 6 years ago)
- Last Synced: 2024-08-02T06:22:47.346Z (3 months ago)
- Language: C#
- Homepage: http://blogs.msdn.com/elee/archive/tags/GenesisEngine/default.aspx
- Size: 7.66 MB
- Stars: 41
- Watchers: 11
- Forks: 15
- Open Issues: 0
-
Metadata Files:
- Readme: README.markdown
- License: license.txt
Awesome Lists containing this project
- awesome-open-source-games - GenesisEngine - GenesisEngine allows you to create and explore procedurally-generated planetary systems, from ground level all the way out into space. Experiments with procedurally-generated worlds, XNA, and design patterns. (Frameworks/Engines/Libraries / IOS)
README
GenesisEngine
======================================================================
# License
Licensed under the [Ms-PL](http://www.microsoft.com/opensource/licenses.mspx#Ms-PL).
# What is it?
GenesisEngine allows you to create and explore procedurally-generated planetary systems, from ground level all the way out into space. At the moment there's no larger purpose other than to wander around in a virtual world. It's written in C# with the XNA framework.
Mostly, this is a personal project that I'm using to experiment with new software development techniques and maybe learn something about procedural terrain generation and rendering along the way. This project is NOT intended to be some kind of best-practices reference for, well, anything. Some stuff is well-written and some stuff is terrible. Over time I hope to improve the terrible stuff and add more good stuff. I'd be happy to receive constructive feedback.
If you're looking to learn something about procedurally-generated terrain or rendering techniques, don't start here. Really. I don't have any original ideas - I'm just borrowing everything I know from people much smarter than me and re-implementing it badly.
This project is also not a good reference for high-performance game engines. I'm explicitly choosing to favor clarity of code design over high performance when those two principles are in conflict. My computer is reasonably fast and hardware is cheap - so there!
I'm going to [blog](https://saintgimp.org/category/genesisengine/) occasionally about the journey so feel free to follow along.
# How do I build and run it?
The GenesisEngine project is a Visual Studio 2015 solution with a dependency on [MonoGame](http://www.monogame.net).
* Install the DirectX Runtime from https://www.microsoft.com/en-us/download/details.aspx?id=35
* Install the most recent stable version of Monogame from http://www.monogame.net/downloads/
* Open the solution in Visual Studio
* Set GenesisEngine as the startup project
* Press F5 to build and run
# What are the controls?
* W/A/S/D for left/right/forward/backward
* E/C for up/down
* Z to go to ground level
* -/= to decrease/increase camera speed
* ,/. to decrease/increase camera zoom level
* hold the right mouse button for mouselook
* U to toggle state updates (useful for inspecting the current quad node tree from different angles.)
* F to toggle wireframe rendering
Right now the camera is fixed to a universal reference frame, not a planetary reference frame, so if you want to explore close to the ground it's probably better to stay close to the north pole where camera-up matches planet-up.
# What's the state of the project?
I've got a decent start on basic terrain generation. I can zoom all the way from ground level to high orbit and the terrain is mildly interesting. There's obviously a ton of features left to implement. Some things on the list include:
* Generating terrain patches on the GPU which will be much faster
* Texturing
* Normal maps
* Atmospheric effects
* Stars
* A better camera system that tracks the curve of the planet
* Interactive setting of options
# What if I want to learn about generating and rendering planets?
Here's a non-exhaustive list of links to get your started if you want to find people who know what they're doing:
* [Interactive Visualization of a Planetary System](http://i31www.ira.uka.de/publikationen/files/4_Studproject_JWinzen.pdf)
* [A Real-Time Procedural Universe](http://www.sponeil.net/)
* [Infinity: The Quest For Earth](http://www.infinity-universe.com)
* [Outerra](http://outerra.blogspot.com/)
* [Britonia](http://britonia-game.com/)
* [Virtual Terrain Project](http://vterrain.org/)