diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/fractals/burningship.c | 42 | ||||
| -rw-r--r-- | src/main.c | 4 | ||||
| -rw-r--r-- | src/state.c | 4 |
3 files changed, 47 insertions, 3 deletions
diff --git a/src/fractals/burningship.c b/src/fractals/burningship.c new file mode 100644 index 0000000..aa27ab1 --- /dev/null +++ b/src/fractals/burningship.c @@ -0,0 +1,42 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* burningship.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2020/02/24 16:15:49 by cacharle #+# #+# */ +/* Updated: 2020/02/24 16:19:26 by cacharle ### ########.fr */ +/* */ +/* ************************************************************************** */ + +#include "fractol.h" + +#define BURNING_SHIP_MAX_ITERATION 20 +#define BURNING_SHIP_ESCAPE_RADIUS_SQUARED 100 + +int burningship(t_state *state, t_complex z) +{ + int n; + double zr; + double zi; + double zr_square; + double zi_square; + double tmp; + + (void)state; + zr = z.r; + zi = z.i; + n = -1; + while (++n < BURNING_SHIP_MAX_ITERATION) + { + zi_square = zi * zi; + zr_square = zr * zr; + if (zr_square + zi_square > BURNING_SHIP_ESCAPE_RADIUS_SQUARED) + break; + tmp = zr_square - zi_square + z.r; + zi = fabs(2.0 * zr * zi + z.i); + zr = fabs(tmp); + } + return (n); +} @@ -6,7 +6,7 @@ /* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */ /* +#+#+#+#+#+ +#+ */ /* Created: 2020/02/24 09:27:44 by cacharle #+# #+# */ -/* Updated: 2020/02/24 16:10:23 by cacharle ### ########.fr */ +/* Updated: 2020/02/24 16:20:48 by cacharle ### ########.fr */ /* */ /* ************************************************************************** */ @@ -18,7 +18,7 @@ int main(int argc, char **argv) if (argc != 2 || state_init(&state, argv[1]) < 0) { - ft_putstr("mandelbrot\njulia\ntricorn\n"); + ft_putstr("mandelbrot\njulia\ntricorn\nburningship\n"); return (0); } mlx_hook(state.window_ptr, 17, 0, event_quit, (void*)&state); diff --git a/src/state.c b/src/state.c index b614851..589e6c3 100644 --- a/src/state.c +++ b/src/state.c @@ -6,7 +6,7 @@ /* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */ /* +#+#+#+#+#+ +#+ */ /* Created: 2020/02/24 09:58:01 by cacharle #+# #+# */ -/* Updated: 2020/02/24 16:12:34 by cacharle ### ########.fr */ +/* Updated: 2020/02/24 16:18:25 by cacharle ### ########.fr */ /* */ /* ************************************************************************** */ @@ -53,6 +53,8 @@ static int st_state_dispatch_func(t_state *state, char *fractal_name) } else if (ft_strcmp(fractal_name, "tricorn") == 0) state->func = &tricorn; + else if (ft_strcmp(fractal_name, "burningship") == 0) + state->func = &burningship; else return (-1); state->c.r = NAN; |