Some canvas-based particle effects.
Each example contains sliders to control various properties. The examples are:
The demos have been tested on a Macbook Air running Chrome v27, Firefox v21, and Safari v6.1.
They have also been tested on IE 10 / Windows 8.
Some work-in-progress examples can be seen here:
http://hop.ie/particles/v01.html http://hop.ie/particles/v02.html]
I would recommend checking out this video as a great introduction to canvas drawing.
Feel free to copy, amend, reuse. No licensing required.