136 lines
5 KiB
Markdown
136 lines
5 KiB
Markdown
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## raylib-go
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[](https://github.com/gen2brain/raylib-go/actions)
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[](https://godoc.org/github.com/gen2brain/raylib-go/raylib)
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[](https://goreportcard.com/report/github.com/gen2brain/raylib-go/raylib)
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[](https://github.com/gen2brain/raylib-go/tree/master/examples)
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Golang bindings for [raylib](http://www.raylib.com/), a simple and easy-to-use library to enjoy videogames programming.
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raylib C source code is included and compiled together with bindings. Note that the first build can take a few minutes.
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It is also possible to use raylib-go without cgo (Windows only; see requirements below).
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### Requirements
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##### Ubuntu
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###### X11
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apt-get install libgl1-mesa-dev libxi-dev libxcursor-dev libxrandr-dev libxinerama-dev
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###### Wayland
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apt-get install libgl1-mesa-dev libwayland-dev libxkbcommon-dev
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##### Fedora
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###### X11
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dnf install mesa-libGL-devel libXi-devel libXcursor-devel libXrandr-devel libXinerama-devel
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###### Wayland
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dnf install mesa-libGL-devel wayland-devel libxkbcommon-devel
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##### macOS
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On macOS you need Xcode or Command Line Tools for Xcode.
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##### Windows
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###### purego (without cgo)
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Download the raylib.dll from the assets on the [releases page](https://github.com/raysan5/raylib/releases). It is contained in the `raylib-*_win64_msvc*.zip`.
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Put the raylib.dll into the root folder of your project.
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As of November 15, 2023, raylib 5.0 is the required version.
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You can also build the dll yourself. You can find more in [raylib's wiki](https://github.com/raysan5/raylib/wiki/Working-on-Windows).
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###### cgo
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On Windows you need C compiler, like [Mingw-w64](https://mingw-w64.org) or [TDM-GCC](http://tdm-gcc.tdragon.net/).
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You can also build binary in [MSYS2](https://msys2.github.io/) shell.
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To remove console window, build with `-ldflags "-H=windowsgui"`.
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##### Android
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[Android example](https://github.com/gen2brain/raylib-go/tree/master/examples/others/android/example).
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### Installation
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go get -v -u github.com/gen2brain/raylib-go/raylib
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### Build tags
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* `drm` - build for Linux native DRM mode, including Raspberry Pi 4 and other devices (PLATFORM_DRM)
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* `sdl` - build for SDL backend instead of internal GLFW (PLATFORM_DESKTOP_SDL)
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* `wayland` - build against Wayland libraries (internal GLFW)
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* `noaudio` - disables audio functions
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* `opengl43` - uses OpenGL 4.3 backend
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* `opengl21` - uses OpenGL 2.1 backend (default is 3.3 on desktop)
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* `opengl11` - uses OpenGL 1.1 backend (pseudo OpenGL 1.1 style)
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* `es2` - uses OpenGL ES 2.0 backend (can be used to link against [Google's ANGLE](https://github.com/google/angle))
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* `es3` - experimental support for OpenGL ES 3.0
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### Documentation
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Documentation on [GoDoc](https://godoc.org/github.com/gen2brain/raylib-go/raylib). Also check raylib [cheatsheet](http://www.raylib.com/cheatsheet/cheatsheet.html).
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### Example
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```go
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package main
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import rl "github.com/gen2brain/raylib-go/raylib"
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func main() {
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rl.InitWindow(800, 450, "raylib [core] example - basic window")
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defer rl.CloseWindow()
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rl.SetTargetFPS(60)
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for !rl.WindowShouldClose() {
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rl.BeginDrawing()
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rl.ClearBackground(rl.RayWhite)
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rl.DrawText("Congrats! You created your first window!", 190, 200, 20, rl.LightGray)
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rl.EndDrawing()
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}
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}
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```
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Check more [examples](https://github.com/gen2brain/raylib-go/tree/master/examples) organized by raylib modules.
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### Cross-compile (Linux)
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To cross-compile for Windows install [MinGW](https://www.mingw-w64.org/) toolchain.
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```
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$ CGO_ENABLED=1 CC=x86_64-w64-mingw32-gcc GOOS=windows GOARCH=amd64 go build -ldflags "-s -w"
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$ file basic_window.exe
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basic_window.exe: PE32+ executable (console) x86-64 (stripped to external PDB), for MS Windows, 11 sections
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$ CGO_ENABLED=1 CC=i686-w64-mingw32-gcc GOOS=windows GOARCH=386 go build -ldflags "-s -w"
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$ file basic_window.exe
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basic_window.exe: PE32 executable (console) Intel 80386 (stripped to external PDB), for MS Windows, 9 sections
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```
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To cross-compile for macOS install [OSXCross](https://github.com/tpoechtrager/osxcross) toolchain.
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```
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$ CGO_ENABLED=1 CC=x86_64-apple-darwin21.1-clang GOOS=darwin GOARCH=amd64 go build -ldflags "-linkmode external -s -w '-extldflags=-mmacosx-version-min=10.15'"
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$ file basic_window
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basic_window: Mach-O 64-bit x86_64 executable, flags:<NOUNDEFS|DYLDLINK|TWOLEVEL>
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$ CGO_ENABLED=1 CC=aarch64-apple-darwin21.1-clang GOOS=darwin GOARCH=arm64 go build -ldflags "-linkmode external -s -w '-extldflags=-mmacosx-version-min=12.0.0'"
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$ file basic_window
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basic_window: Mach-O 64-bit arm64 executable, flags:<NOUNDEFS|DYLDLINK|TWOLEVEL|PIE>
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```
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### License
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raylib-go is licensed under an unmodified zlib/libpng license. View [LICENSE](https://github.com/gen2brain/raylib-go/blob/master/LICENSE).
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