diff options
Diffstat (limited to 'src/renderer.jl')
| -rw-r--r-- | src/renderer.jl | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/src/renderer.jl b/src/renderer.jl index 1842dbb..66dc943 100644 --- a/src/renderer.jl +++ b/src/renderer.jl @@ -42,16 +42,19 @@ fractal(fc::FractalCanvas, make_c, step) = fractal(fc.c, make_c, step) function fractal(canvas::Canvas, make_c::Function, step::Function, should_wait=!isinteractive(), range=(-2.0, -2.0, 4.0, 4.0)) fc = FractalCanvas(canvas, range, make_c, step) - i = 0 - while true + saw_some_pixels = false + for i in 1:1000 FractalExplorer.step(fc.f) - new_pixels = (abs(fc.f.z) .> 2) & (fc.image .== HSV(0, 0, 0)) + diverging_pixels = (abs(fc.f.z) .> 2) + new_pixels = diverging_pixels & (fc.image .== HSV(0, 0, 0)) fc.image[new_pixels] = HSV(i * 4, 1, 1) - i = i + 1 redraw(fc) - if length(find(new_pixels)) <= 1 + if saw_some_pixels && length(find(new_pixels)) <= 1 break end + if length(find(diverging_pixels)) > 0 + saw_some_pixels = true + end end if should_wait |