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| author | David Phillips <dbphillipsnz@gmail.com> | 2016-09-20 00:35:39 +1200 |
|---|---|---|
| committer | David Phillips <dbphillipsnz@gmail.com> | 2016-09-20 00:35:39 +1200 |
| commit | 39949b4c290a41c70dfc2af87e6a5adc26016d7c (patch) | |
| tree | 28bab55ce0ccade6d2aabff7730e39c9eb30f93a /algorithms | |
| parent | 9aa24c73fe6a1978d69865d06e337c85af06b527 (diff) | |
| parent | 5ed1f38b2f515c6cebd8386de44c13a2b120c878 (diff) | |
| download | fractal-gen-39949b4c290a41c70dfc2af87e6a5adc26016d7c.tar.xz | |
Merge branch 'master' into pospos
Diffstat (limited to 'algorithms')
| -rw-r--r-- | algorithms/burning-ship.c | 12 | ||||
| -rw-r--r-- | algorithms/mandelbrot.c | 11 |
2 files changed, 15 insertions, 8 deletions
diff --git a/algorithms/burning-ship.c b/algorithms/burning-ship.c index 7e27e4b..6f8c9d9 100644 --- a/algorithms/burning-ship.c +++ b/algorithms/burning-ship.c @@ -34,17 +34,21 @@ void struct frame *f = &(d->parent_frame); unsigned int x,y,i; double a,b; + double left,top; double complex z,c; defaultsd(&d->parent_frame.scale, 3.5f); - defaultsd(&d->parent_frame.top, -2.2f); - defaultsd(&d->parent_frame.left, -2.2f); + defaultsd(&d->parent_frame.x, -0.45f); + defaultsd(&d->parent_frame.y, -0.45f); + + left = d->parent_frame.x - (d->parent_frame.scale / 2); + top = d->parent_frame.y - (d->parent_frame.scale / 2); /* FIXME document this */ - b = clust_id*(f->scale/size)+f->top; /* FIXME document this */ + b = clust_id*(f->scale/size)+top; /* FIXME document this */ for (y = clust_id; y < size; y += clust_total) { - a = d->core*(f->scale/size)+f->left; + a = d->core*(f->scale/size)+left; for (x = d->core; x < size; x += cores) { z = 0; c = a+I*b; diff --git a/algorithms/mandelbrot.c b/algorithms/mandelbrot.c index 51d0c43..33d7cde 100644 --- a/algorithms/mandelbrot.c +++ b/algorithms/mandelbrot.c @@ -34,18 +34,21 @@ void struct frame *f = &(d->parent_frame); unsigned int x,y,i; double a,b; + double left, top; double complex z,c; - defaultsd(&d->parent_frame.top, -1.75f); - defaultsd(&d->parent_frame.left, -2.5f); defaultsd(&d->parent_frame.scale, 3.5f); + defaultsd(&d->parent_frame.x, -0.75f); + defaultsd(&d->parent_frame.y, 0); + left = d->parent_frame.x - (d->parent_frame.scale / 2); + top = d->parent_frame.y - (d->parent_frame.scale / 2); /* FIXME document this */ - b = clust_id*(f->scale/size)+f->top; /* FIXME document this */ + b = clust_id*(f->scale/size)+top; /* FIXME document this */ for (y = clust_id; y < size; y += clust_total) { - a = d->core*(f->scale/size)+f->left; + a = d->core*(f->scale/size)+left; for (x = d->core; x < size; x += cores) { z = 0; c = a + I*b; |