/Quintus

HTML5 Game Engine

Primary LanguageJavaScriptGNU General Public License v2.0GPL-2.0

Quintus Engine

Quintus is an easy-to-learn, fun-to-use HTML5 game engine for mobile, desktop and beyond!

The Quintus engine is an HTML5 game engine designed to be modular and lightweight, with a concise JavaScript-friendly syntax. In lieu of trying to shoehorn a standard OOP-game engine structure into an HTML5 JavaScript engine, Quintus takes some cues from jQuery and provides plugins, events and a selector syntax. Instead of a deep single-inheritance-only model, Quintus provides a flexible component model in addition to traditional inheritance to make it easier to reuse functionality and share it across games and objects.

Quintus Platformer Example

Example Annotated Source

More details and documentation at HTML5Quintus.com

Read the Quintus Guide to get started on the Engine.

History of Quintus

The initial version of Quintus was built over the course of writing Professional HTML5 Mobile Game Development, although the repo code has diverged a bit from the Engine built in the book, the main philosophy and technologies used have not changed, and reading the book will give you a fairly exhaustive understanding of the internals of the Quintus Engine.

ToDo

Quintus is a young engine that has a lot of missing gaps - some of which are pretty straightforward to fill in. If you are interested in hacking on Quintus, shoot me an email pascal at cykod period com, I'm happy to help folks get hacking on the engine.

If you have suggestions for additional enhancements, please add them to the Issues queue - no guarantee all ideas will be implemented and integrated into the core of the system, but suggestions welcome.

Here's some specific pieces that need some love:

  • Add a center method to Q.UI.Container to center on the page or in a container
  • Update the Q.Scenes method to only render sprites that are visible in the grid. (so draw doesn't get called with thousands of sprites)
  • Add JSON Level loading support for Scenes
  • Fix the collision methods to calculate a collision magnitude based on dot product of sprite velocities

Changelog

0.0.3 Move to update from step

  • Transitions scene from step to use update
  • Simplified Sprite stepping with update (no _super necessary any longer)
  • Added Scene locate method
  • Add touch example with drag and locate details
  • Added drawableTile and collidableTile to Q.TileLayer

Changes to your code:

  • Your sprite's step method should no longer call this._super(dt) (in fact, sprites don't define a default super method anymore, so it'll cause a bug)- events are now handled by the Sprite.update(dt) method

0.0.2 Reworked Sprites and Scenes

  • Full SAT collision (rotation / scaling)
  • Container / Children support
  • Removed jQuery Dependency
  • Reworked collisions (need optimizations)
  • Add Quintus.UI module for containers, buttons and labels.
  • Added animate and tween support

0.0.1 Unrelease

  • Initial Release
  • Basic Sprite and Scene Support
  • Limited Audio
  • jQuery Dependency
  • Keyframe animation support
  • 2D Platformer controls and animation
  • Limited SAT Collision (no rotation / scale)