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Easy to use cross-platform 2D game library for C++

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jhasse/jngl

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🌐 Website🏃 Quickstart🎓 Tutorial📚 Documentation

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An easy to use C++ game library for Linux, Windows, macOS, Android, iOS, Xbox, the Nintendo Switch,LG webOS and the Web.

Portal Dogs running on the Switch

Building from Source

cmake -Bbuildcmake --build build./build/jngl-test

Linux

Ubuntu

sudo apt-get install libgl1-mesa-dev libfreetype6-dev libfontconfig1-dev libpng-dev \libxxf86vm-dev libvorbis-dev cmake g++ libwebp-dev git libsdl2-dev

Fedora

sudo dnf install fontconfig-devel freetype-devel libvorbis-devel libwebp-devel \cmake SDL2-devel gcc-c++ libatomic

Arch Linux

pacman -Syu --needed cmake gcc sdl2 pkg-config fontconfig libwebp libvorbis

Windows

MSYS2 / MinGW-w64

Set upMSYS2 and install the following in a MinGW-w64 Win64 Shell:

pacman -Syu --needed mingw-w64-x86_64-gcc \mingw-w64-x86_64-freetype mingw-w64-x86_64-libvorbis mingw-w64-x86_64-libwebp \mingw-w64-x86_64-dlfcn mingw-w64-x86_64-cmake make mingw-w64-x86_64-gdb \mingw-w64-x86_64-libtheora mingw-w64-x86_64-SDL2

Visual Studio 2017 or newer

cmake -Bbuild -DFETCHCONTENT_QUIET=0

Then openbuild/jngl.sln in Visual Studio.

macOS

UseHomebrew to install the build dependencies:

brew install sdl2 freetype libvorbis webp pkg-config cmake

Android

  1. Install the Android SDK and setANDROID_HOME to point to it.
  2. In the Android SDK Manager, install the NDK build tools.
  3. Run the following command to test via ADB:
make -C android run

Alternatively, openandroid/test in Android Studio and build from there.

iOS

Generate an Xcode project using CMake:

cmake -Bbuild-ios -GXcode -DCMAKE_TOOLCHAIN_FILE=cmake/iOS.toolchain.cmake -DIOS_PLATFORM=SIMULATOR

Then open and buildbuild-ios/jngl.xcodeproj in Xcode.

Xbox

cmake -Bbuild-uwp -DCMAKE_SYSTEM_NAME=WindowsStore"-DCMAKE_SYSTEM_VERSION=10.0"

Then openbuild-uwp/jngl.sln in Visual Studio.

Example Usage

Here's a simple "Hello, World!" example in JNGL:

#include<jngl.hpp>#include<jngl/init.hpp>classMyGame :publicjngl::Scene {voidstep()override {// game logic    }voiddraw()constoverride {        text.draw(jngl::modelview().translate({ -100,0 }));    }    jngl::Font font{"Arial.ttf",12 };    jngl::TextLine text{ font,"Hello World!" };};jngl::AppParametersjnglInit() {    jngl::AppParameters params;    params.start = []() {return std::make_shared<MyGame>();    };return params;}

For a more complete starting point (i.e. project structure, etc.) check out theJNGL project template.

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