Processing sketch for converting regular videos into light painting videos.

Probably doesn't require any previous experience with code. It's very simple.

Download the Processing IDE from processing.org

Download the LPL-processor code (on the left)

Put your movie into lpl_processor/data/

In the code, edit the moviePath , to match the name of your movie file.

, to match the name of your movie file. Optionally, change the blendMode. SCREEN is like traditional light painting, and LIGHTEST will allow for painting on top of a scene without over-exposing it.

Run the script, and wait until it finishes.

The composited frames will be in output/. Use the Processing > Tools > Movie Maker utility to create the final movie.

input video:

output (screen):

output (lightest):

Find more light painting programs at lightpaintlive.com