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Diffstat (limited to 'mandelbrot.mu')
| -rw-r--r-- | mandelbrot.mu | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/mandelbrot.mu b/mandelbrot.mu index 3017ec20..84310a0d 100644 --- a/mandelbrot.mu +++ b/mandelbrot.mu @@ -107,6 +107,10 @@ fn mandelbrot-y x: float, y: float, imaginary: float -> _/xmm3: float { return result } +# Scale (x, y) pixel coordinates to a complex plane where the viewport width +# ranges from -2 to +2. Viewport height just follows the viewport's aspect +# ratio. + fn viewport-to-real x: int, width: int -> _/xmm0: float { # (x - width/2)*4/width var result/xmm0: float <- convert x |