turbo mode (Shift + Click Green Flag) 1. convert to black and white photo 2. measure the difference with neighboring pixels 3. if any of the differences crosses a certain threshold (30 in this case), set r, g, and b to the difference, skip to next step (measure no more neighboring pixels). else, set r, g, and b to 0 4. display output data
Inspiration from @littlebunny06 My own code image data from @layzej
