Fibonacci flower

How slowly the dots/florets spiral inwards.
The size of the dots, relative to the program's default.
The number of dots shown.
The rarity of the red dots.
The rarity of the brown dots.

        

If any of the inputs is blank or invalid, the program will choose a sensible option. You will probably want to change the first input, and maybe the last two. The second and third can be ignored. To be valid, a number must look like "6" or some times "6.5". " 6", with a space, is invalid.