fsharp-mandelbrot/Julia.fs
joachimschmidt557 880370c5e6 Add Julia module
2019-02-09 22:01:17 +01:00

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FSharp

module Julia
open System
open System.Numerics
open System.Drawing
let generatePixel x y height width zoom rMax maxIter =
let c = MandelBrot.getComplexValueForPixel (float x) (float y) (float height) (float width) zoom
let rec findI i z =
if i >= maxIter then i
else if Complex.Abs(z) >= (float rMax) then i
//else findI (i+1) (z*z+c)
else findI (i+1) (Complex.Add(c, (Complex.Multiply(z, z))))
MandelBrot.colorMap (findI 0 (Complex(0.0, 0.0))) maxIter
let generate (width:int) height zoom rMax maxIter =
let result = new Bitmap(width, height)
for y in 0 .. height-1 do
for x in 0 .. width-1 do
generatePixel x y height width zoom rMax maxIter
|> (fun color -> result.SetPixel(x, y, color))
result