o2

o2 - it's an open-source technology for easy making 2D games and applications for mobile and PC platforms using C++ and Lua with very flexible editor. The main features are performance, usability and effective development.

Here is the test project: https://github.com/zenkovich/PetStory

Now work in progress.

Installation
Getting started
Tutorials
Documentation

Features

• Assets
  Automatic assets building and converting, automatic atlases packing, easy to add to project, flixible configuration.

• Scenes
  Component-objects based scene graph, nested prototypes and good integration with editor

• UI
  Fast and flexible UI system, a lot of default widgets, styles, integration with scenes

• Render
  Easy to learn rendering system with meshes, fonts, sprites, culling, shaders and render targets.

• Sound
  Playing sounds, music, streaming sounds, audio mixer

• Animations
  Animate everything, retargeting, easy to serialize, layers, weights, IK, animation state machine, mesh skinning, editor integradion

• Effects
  Particle emitters with different forms, particle effects, editor integration

• Physics
  Rigid bodies, colliders, joints, effects

• Input
  Multiplatform input processing, easy clicks and touches processing

• Platforms
  IOS, Android, Windows, MAC OSX, Webassembly

• Editor
  Flexible editor "all-in-one", plugins