Green Flag to reset and start. Press [space] to show parameters. Drag the point to center the zooming, slide Zoom exp factor to zoom scale. Press [space] again to render. [P] to set Resolution Divisor [I] to set Number of Iterations [D] to set Degrees (fractional or negative values are acceptable)
This is an implementation of The Classic Newton Fractal. The set of starting points in complex numbers to solve x^n-1=0 with the Newton-Raphson method. The color (basin) determines which solution it converges into, the brightness determines how long it takes to converge.