Mandelbrot on Canvas

Based on this mandelbrot explanation, I tried to implement it myself. With zoom.

• Zoom in : left mouse button or one finger touch
• Zoom out : right mouse button or two finger touch
• Calculation limit increases as you zoom in, depending on how many pixels of max-1 is shown.

I had problems getting the imaginary numbers calculations working in code, so got some help for that, from this C++ example

When zoomed out, the line shown under the mouse, shows the calculation for that pixel. Color depends on how many lines are drawn before escaping the chart. If it never escapes within the limit, pixel is black. Top left shows the color-range used.

Canvas is 800x600 pixel. Everytime you zoom, 480.000 pixels are calculated for mandelbrot to the limit shown in bottom right as MaxDepth. There is no caching or reuse of calculations.