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61 lines
2.6 KiB
Markdown
61 lines
2.6 KiB
Markdown
# Voxel Game
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This demo is a minimal first-person voxel game,
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inspired by others such as Minecraft.
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Language: GDScript
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Renderer: GLES 2
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Check out this demo on the asset library: https://godotengine.org/asset-library/asset/676
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## How does it work?
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Each chunk is a
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[`StaticBody`](https://docs.godotengine.org/en/latest/classes/class_staticbody.html)
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with each block having its own
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[`CollisionShape`](https://docs.godotengine.org/en/latest/classes/class_collisionshape.html)
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for collisions. The meshes are created using
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[`SurfaceTool`](https://docs.godotengine.org/en/latest/classes/class_surfacetool.html)
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which allows specifying vertices, triangles, and UV coordinates
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for constructing a mesh.
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The chunks and chunk data are stored in
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[`Dictionary`](https://docs.godotengine.org/en/latest/classes/class_dictionary.html)
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objects. New chunks have their meshes drawn in separate
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[`Thread`](https://docs.godotengine.org/en/latest/classes/class_thread.html)s,
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but generating the collisions is done in the main thread, since Godot does
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not support changing physics objects in a separate thread. There
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are two terrain types, random blocks and flat grass. A more
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complex terrain generator is out-of-scope for this demo project.
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The player can place and break blocks using the
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[`RayCast`](https://docs.godotengine.org/en/latest/classes/class_raycast.html)
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node attached to the camera. It uses the collision information to
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figure out the block position and change the block data. You can
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switch the active block using the brackets or with the middle mouse button.
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There is a settings menu for render distance and toggling the fog.
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Settings are stored inside of an
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[AutoLoad singleton](https://docs.godotengine.org/en/latest/getting_started/step_by_step/singletons_autoload.html)
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called "Settings". This class will automatically save
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settings, and load them when the game opens, by using the
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[`File`](https://docs.godotengine.org/en/latest/classes/class_file.html) class.
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Sticking to GDScript and the built-in Godot tools, as this demo does, is
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quite limiting. If you are making your own voxel game, you should probably
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use Zylann's voxel module instead: https://github.com/Zylann/godot_voxel
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## Screenshots
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## Licenses
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Textures are from [Minetest](https://www.minetest.net/). Copyright © 2010-2018 Minetest contributors, CC BY-SA 3.0 Unported (Attribution-ShareAlike)
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http://creativecommons.org/licenses/by-sa/3.0/
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Font is "TinyUnicode" by DuffsDevice. Copyright © DuffsDevice, CC-BY (Attribution) http://www.pentacom.jp/pentacom/bitfontmaker2/gallery/?id=468
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