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Qor

2D/3D OpenGL Game Engine (C++11 w/ Python scripting)

Featured on the Official GitHub Blog!

Copyright (c) 2007-2018 Grady O'Connell

Open-source under MIT License. See LICENSE file for more information.

See CREDITS.md for a list of contributers.

This is a rewrite of my older game engine, with code dating back to 2007.

Features

  • Cross-platform (Windows, Linux, and Mac(wip))
  • Multi-threaded (more improvements here soon)
  • OpenGL ES-compatible shader-based pipeline
    • Forward rendering w/ multipass lighting
    • Several shaders, including tangent-space bumpmapping
    • Partitioner/culling support
    • Automatic VBO baking of visible areas (10x framerate in many cases)
    • Mesh instance copy-on-write vertex and shader attribute modifications
    • Basic instancing
    • Render-to-Texture
    • Thread-safe OpenGL task handler
  • C++ and (wip) Python support
  • Multi-layer tilemap system for 2D games
    • Compatible with Tiled map editor
  • Python Console
  • Shared resource management
    • Animating Sprites
    • Resource management and multiple path search
    • Resource caching
    • Basic create() function for all types
    • Json config for more complex resources
      • Config-based type-resolution and subresources
    • Composite/nested resource suport
    • User-defined resources
  • 3D Scene graph
    • World matrix transform caching
    • Static mesh baking (collapse to world space and combine)
    • Tracking/following w/ animation support
    • Node factory supporting user classes
    • Node tags
    • Many 3D model formats supported
    • Blender scene exporter
  • Reactive Subsystems
    • Communicate with/between nodes easily by sending/receiving data through named metaobject/json events
    • Each node has a lightweight state machine with signal support
    • User-defined events and states
  • State stack
    • User-defined engine states
    • Async loading screens
  • Input
    • Multiple controllers
    • Bindings specific to player profiles
    • Button/switch-associated events
    • Switch history for timer-based events and multiple fast press events
    • Activation thresholds
  • Animation (code moved to kit)
    • Timer-based keyframes
    • Interpolation/Easing
    • Callback scheduling
  • Music and 3D Sound
    • Powered by OpenAL
    • Wav and Ogg support
    • Thread-safe
  • Cairo 2D primitives w/ Render-To-Texture
  • Pango Font and Text Rendering
  • Headless mode for dedicated servers and unit testing

More features will be listed as I add them...

Screenshots

Micro Army

FRAG.EXE

Lights

Fire