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| author | David Phillips <dbphillipsnz@gmail.com> | 2015-06-09 22:11:04 +1200 | 
|---|---|---|
| committer | David Phillips <dbphillipsnz@gmail.com> | 2015-06-10 00:11:18 +1200 | 
| commit | 70b7e36de4a9db760c254b8f22d91ea4e6ddc9d8 (patch) | |
| tree | e9a7d2666fb2a088b8913e6b851edeca251d1f64 /algorithms/mandelbrot.c | |
| parent | d29cb84f52f93e060c2ec0f020f56fea0636428d (diff) | |
| download | fractal-gen-70b7e36de4a9db760c254b8f22d91ea4e6ddc9d8.tar.xz | |
Made it easier to add new algos, added tricorn algo, burning ship lattice ship algo
Diffstat (limited to 'algorithms/mandelbrot.c')
| -rw-r--r-- | algorithms/mandelbrot.c | 31 | 
1 files changed, 31 insertions, 0 deletions
| diff --git a/algorithms/mandelbrot.c b/algorithms/mandelbrot.c new file mode 100644 index 0000000..7f8a613 --- /dev/null +++ b/algorithms/mandelbrot.c @@ -0,0 +1,31 @@ +#include "../fractal-gen.h" + +void *generate_mandelbrot_section(void *section) +{ +	data_section *d = (data_section*)section; +	unsigned int x,y,i; +	int idx = 0; +	double a,b; +	double complex z,c; +	double size_units = 3.5f; +	double top = -1.75f; +	double left = -2.5f; + +	for (y = d->core, b = (d->core*(size_units/d->size)+top); y < d->size; b+=((d->cores*size_units)/d->size), y+=d->cores) +	{ +		for (x = 0, a = left; x < d->size; a+=(size_units/d->size), x++) +		{ +			z = 0; +			c = a+I*b; +			for (i = 0; i < d->iterat; i++) +			{ +				if (cabsf(z) >= 2) +					break; + +				z = cpow(z , d->power) + c; +			} +			d->data[idx++] = (255*i)/d->iterat; +		} +	} +	return NULL; +} | 
