This is a tech demo showing how to develop custom graphic effects in ejoy2d. This project is inspired by HGE's demo The Big Calm.

Here is the screenshots:

Ejoy2d is a open source cross-platform 2d game engine. The engine is written in c but provides a efficient lua binding. Check the homepage for more information.

Ejoy2d does not support creating sprite from image file, so we must pack all assets to a package with specific format. Simplepacker is a easy way to do this work.