use the arrow keys to navigate, space for a fast render, r for a high-res render, w to zoom in, and s to zoom out. Shift click the green flag to run fast.
This is an argon diagram, the colours represent how long it takes a point to escape the screen under the formula: z(n+1)= z(n)^2 + c . c is a constant which in this case is 0.5 + 0.5i. The script should be pretty self explanatory.
