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https://github.com/zacharycarter/voodoo
3D game programming and rapid prototyping library.
https://github.com/zacharycarter/voodoo
3d 3d-graphics c emscripten emscripten-game game game-development games janet janet-lang wasm webgpu wgpu
Last synced: 1 day ago
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3D game programming and rapid prototyping library.
- Host: GitHub
- URL: https://github.com/zacharycarter/voodoo
- Owner: zacharycarter
- License: mit
- Created: 2024-01-04T20:50:54.000Z (about 1 year ago)
- Default Branch: master
- Last Pushed: 2024-11-20T19:27:15.000Z (2 months ago)
- Last Synced: 2025-01-19T01:53:56.883Z (9 days ago)
- Topics: 3d, 3d-graphics, c, emscripten, emscripten-game, game, game-development, games, janet, janet-lang, wasm, webgpu, wgpu
- Language: C
- Homepage:
- Size: 41.8 MB
- Stars: 46
- Watchers: 4
- Forks: 3
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
# voodoo
voodoo is a 3D game programming library written in C.
voodoo exposes an API that is intended to be invoked via scripts written in [Janet](https://janet-lang.org/).
voodoo is presently focused on creating games for the browser. Support for more platforms is planned.
voodoo is very much WIP.
## Screenshot reflecting current state of renderer
## Video demonstration
[assets/scripts/game.janet](https://github.com/zacharycarter/voodoo/assets/1181513/b061174c-ac01-4f5e-84a0-370eb4942dc0)
## [Example Usage](https://github.com/zacharycarter/voodoo/blob/master/assets/scripts/game.janet)
```janet
(def actions {:up 0
:down 1
:left 2
:right 3
:num 4})
(def bindings @{(actions :up) [input/key/up input/gamepad/dpad/up]
(actions :down) [input/key/down input/gamepad/dpad/down]
(actions :left) [input/key/left input/gamepad/dpad/left]
(actions :right) [input/key/right input/gamepad/dpad/right]})
(def state @{:camera nil
:doll-asset: nil
:player: nil})
(defn init []
(set (state :doll-asset) (asset/load "doll" "assets/dolls/character.doll"))
(set (state :camera) (game/object @[0.0 0.0 0.0] @[0.0 0.0 0.0] @[0.0 0.0 0.0 0.0]))
(game/object/set (state :camera) component/camera (cam/orbit @{:min-dist 1.0
:max-dist 50.0
:center @[0.0 0.0 0.0]
:distance 5.0
:latitude 45.0
:longitude 45.0
:nearz 0.01
:farz 2000.0}))
(v3d/cube @[0.0 5.0 0.0] @[1.0 1.0 1.0])
(v3d/cube @[0.0 -0.9375 0.0] @[5.0 0.125 5.0])
(set (state :player) (game/object @[0.0 0.0 0.0] @[1.0 1.0 1.0] @[0.0 0.0 0.0 0.0]))
(game/object/set (state :player) component/doll (v3d/doll/create (state :doll-asset)))
(loop [[action binding] :pairs bindings]
(if (not= (get binding 0) input/invalid)
(input/bind input/layer/user (get binding 0) action))
(if (not= (get binding 1) input/invalid)
(input/bind input/layer/user (get binding 1) action))))
(defn event [e]
(def camera
(game/object/get
(state :camera)
component/camera))
(game/object/set (state :camera) component/camera (cam/handle-event camera e)))
(defn update-doll []
(def player-transform
(game/object/get
(state :player)
component/transform))
(def doll
(game/object/get
(state :player)
component/doll))
(if (> (input/state (actions :up)) 0)
(game/object/set (state :player) component/doll
@{:blend_ratio (min (+ (doll :blend_ratio) 0.1) 1.0)})
(if (> (input/state (actions :down)) 0)
(game/object/set (state :player) component/doll
@{:blend_ratio (max (- (doll :blend_ratio) 0.1) 0.0)})))
(if (> (input/state (actions :left)) 0)
(game/object/set (state :player) component/transform
@{:position @{:x (+ ((player-transform :position) :x) 0.1)}})
(if (> (input/state (actions :right)) 0)
(game/object/set (state :player) component/transform
@{:position @{:x (- ((player-transform :position) :x) 0.1)}}))))
(defn update []
(def camera
(game/object/get
(state :camera)
component/camera))
(update-doll)
(cam/update camera)
(dbg/draw/camera camera)
(dbg/draw/grid 0)
(v3d/draw camera))
(defn shutdown [])
(defn voodoo []
@{:width 960
:height 540
:init init
:event event
:update update
:shutdown shutdown})
```
## Roadmap
- [x] Memory management & Allocators
- [ ] Asset pipeline
- [ ] Build system :construction:
- [x] Virtual file system
- [x] Asset management system
- [x] Fiber-based job syste m
- [x] Basic orbit camera
- [x] Debug drawing
- [x] Scripting
- [ ] Visual scripting
- [ ] Forward renderer :construction:
- [ ] ImGui
- [x] Entity component system
- [x] Skeletal animation
- [x] Animation blending
- [ ] Audio
- [ ] Physics
- [ ] Networking
- [x] Web (WASM) support
- [ ] Windows support
- [ ] Linux support
- [ ] MacOS support
- [ ] Android support
- [ ] iOS support
## License
voodoo is licensed under the MIT License.