29 lines
No EOL
904 B
FSharp
29 lines
No EOL
904 B
FSharp
module Julia
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open System
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open System.Numerics
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open System.Drawing
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let generatePixel x y height width zoom rMax maxIter =
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let c = MandelBrot.getComplexValueForPixel (float x) (float y) (float height) (float width) zoom
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let z = Complex(-0.8, 0.156)
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let rec findI i z =
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if i >= maxIter then i
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else if Complex.Abs(z) >= (float rMax) then i
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else
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let newRe = c.Real*c.Real - c.Imaginary*c.Imaginary
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let newIm = 2.0 * c.Real * c.Imaginary
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findI (i+1) (Complex(newRe, newIm)+z)
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MandelBrot.colorMap (findI 0 (Complex(0.0, 0.0))) maxIter
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let generate (width:int) height zoom rMax maxIter =
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let result = new Bitmap(width, height)
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for y in 0 .. height-1 do
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for x in 0 .. width-1 do
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generatePixel x y height width zoom rMax maxIter
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|> (fun color -> result.SetPixel(x, y, color))
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result |