kopia lustrzana https://github.com/a1studmuffin/SpaceshipGenerator
59 wiersze
3.5 KiB
Markdown
59 wiersze
3.5 KiB
Markdown
# Spaceship Generator
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A Blender script to procedurally generate 3D spaceships from a random seed.
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Usage
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-----
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* Install Blender 2.80 or greater: http://blender.org/download/
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* Download newest `add_mesh_SpaceshipGenerator.zip` from the [Releases](https://github.com/a1studmuffin/SpaceshipGenerator/releases) section
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* Under Edit > Preferences... > Add-ons > Install... open the downloaded ZIP file
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* Under Edit > Preferences... > Add-ons enable the "Add Mesh: Spaceship Generator" script (search for "spaceship")
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* Add a spaceship in the 3D View under Add > Mesh > Spaceship
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* Expand the Spaceship tab that appears in the bottom left of the viewport to adjust procedural generation settings
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How it works
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------------
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Watch on YouTube: https://www.youtube.com/watch?v=xJZyXqJ6nog
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* Start with a box.
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* Build the hull: Extrude the front/rear faces several times, adding random translation/scaling/rotation along the way.
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* Add asymmetry to the hull: Pick random faces and extrude them out in a similar manner, reducing in scale each time.
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* Add detail to the hull: Categorize each face by its orientation and generate details on it such as engines, antenna, weapon turrets, lights etc.
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* Sometimes apply horizontal symmetry.
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* Add a Bevel modifier to angularize the shape a bit.
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* Apply materials to the final result.
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* Take over the universe with your new infinite fleet of spaceships.
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Extreme examples
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----------------
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The following screenshots were created using extreme values for the number of hull segments and asymmetry segments to show how the algorithm works.
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Tips and Tricks
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---------------
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* By default the script will delete all objects starting with `Spaceship` before generating a new spaceship. To disable this feature, remove or comment out the call to `reset_scene()` around line 735 in the main function.
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* You can provide a seed to the `generate_spaceship()` function to always generate the same spaceship. For example, `generate_spaceship('michael')`.
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* The `generate_spaceship()` function takes many more parameters that affect the generation process. Try playing with them!
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* You can replace the textures with your own ones. All textures are applied using global-space cube UVs. `hull_normal.png` is a normal map that adds extra surface "greebles". `hull_lights_diffuse.png` is an additive diffuse texture to set the color of the window lights. `hull_lights_emit.png` is an emissive texture to make the windows glow in darkness.
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Credits
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-------
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Written for fun as part of the [/r/proceduralgeneration](https://www.reddit.com/r/proceduralgeneration/) June 2016 [monthly challenge](https://www.reddit.com/r/proceduralgeneration/comments/4mn9gj/monthly_challenge_7_june_2016_procedural/).
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Released under the [MIT License].
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Authored and maintained by Michael Davies.
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> GitHub [@a1studmuffin](https://github.com/a1studmuffin)
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> Twitter [@butterparty](https://twitter.com/butterparty)
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Special thanks to [@panzi](https://github.com/panzi) for bugfixes, a proper GUI and build script. Also to [@mjrthemes](https://github.com/mjrthemes) for bugfixing, and [@LendoK](https://github.com/LendoK) for the 2.80 port.
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[MIT License]: http://mit-license.org/
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