This is a tool made to easily create masking layers for projection mapping
Currently only draws all masks in a single color (white)
modified from http://www.openprocessing.org/sketch/60365

Vertexes have X's to assist positioning until you hit Enter to start the next shape
Mouse position also shows up as an X and is sent out the Syphon server

q-quit
esc-drop current line
Backspace-undo
d-delete;
up,down,left, and right keys move the current point
s-save a jpg of the current image

Download Processing file(right-click and save)