diff options
| -rw-r--r-- | examples/mandelbrot.jl | 7 | ||||
| -rw-r--r-- | src/mandelbrot.jl | 15 |
2 files changed, 16 insertions, 6 deletions
diff --git a/examples/mandelbrot.jl b/examples/mandelbrot.jl index 417291d..ab618d4 100644 --- a/examples/mandelbrot.jl +++ b/examples/mandelbrot.jl @@ -8,14 +8,13 @@ iterations = 45 imgsize = 500 img = [ Color.HSV(0, 0, 0) for x=1:imgsize, y=1:imgsize ] -c = Fractal.complexplane(4.0, imgsize) -z = c +m = Fractal.Mandelbrot(imgsize) imgc, imgslice = view(img) for i = 1:iterations - z = Fractal.mandelbrot(z, c) - img[abs(z) .> 2] = Color.HSV(i * 360/iterations, 1, 1) + Fractal.step(m) + img[abs(m.z) .> 2] = Color.HSV(i * 360/iterations, 1, 1) view(imgc, img) end diff --git a/src/mandelbrot.jl b/src/mandelbrot.jl index 614d490..bde0a74 100644 --- a/src/mandelbrot.jl +++ b/src/mandelbrot.jl @@ -1,3 +1,14 @@ -function mandelbrot(z, c) - z.^2 + c +type Mandelbrot + c::Array{Complex{Float64}, 2} + z::Array{Complex{Float64}, 2} + + Mandelbrot(imgsize) = ( + line = linspace(-2.0, 2.0, imgsize); + plane = [ x + y*im for x=line, y=line ]; + new(plane, plane) + ) +end + +function step(m::Mandelbrot) + m.z = m.z.^2 + m.c end |