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fractol_utils2.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* fractol_utils2.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: hdescamp <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/01/24 11:45:24 by hdescamp #+# #+# */
/* Updated: 2025/02/10 16:46:29 by hdescamp ### ########.fr */
/* */
/* ************************************************************************** */
#include "includes/fractol.h"
void init_fractal(t_vars *vars)
{
vars->box_x = 0;
vars->box_y = 0;
vars->color = 0xFCBE11;
vars->zoom = 225;
vars->offset_x = -1.51;
vars->offset_y = -1.51;
vars->max_iterations = 100;
}
void init_mlx(t_vars *vars)
{
vars->mlx = mlx_init();
vars->win = mlx_new_window(vars->mlx, SIZE, SIZE, "Fract-ol");
vars->image = mlx_new_image(vars->mlx, SIZE, SIZE);
vars->pointer_to_image = mlx_get_data_addr(vars->image,
&vars->bits_per_pixel, &vars->size_line, &vars->endian);
}
void calculate_mandel(t_vars *vars)
{
int i;
double x_temp;
vars->name = "M";
i = 0;
vars->zx = 0.0;
vars->zy = 0.0;
vars->cx = (vars->box_x / vars->zoom) + vars->offset_x;
vars->cy = (vars->box_y / vars->zoom) + vars->offset_y;
while (++i < vars->max_iterations)
{
x_temp = vars->zx * vars->zx - vars->zy * vars->zy + vars->cx;
vars->zy = 2. * vars->zx * vars->zy + vars->cy;
vars->zx = x_temp;
if (vars->zx * vars->zx + vars->zy * vars->zy >= __DBL_MAX__)
break ;
}
if (i == vars->max_iterations)
put_color_to_pixel(vars, vars->box_x, vars->box_y, 0x000000);
else
put_color_to_pixel(vars, vars->box_x, vars->box_y, (vars->color * i));
}
void calculate_burning(t_vars *vars)
{
int i;
double x_temp;
vars->name = "B";
i = 0;
vars->zx = 0.0;
vars->zy = 0.0;
vars->cx = (vars->box_x / vars->zoom) + vars->offset_x;
vars->cy = (vars->box_y / vars->zoom) + vars->offset_y;
while (++i < vars->max_iterations)
{
x_temp = vars->zx * vars->zx - vars->zy * vars->zy + vars->cx;
vars->zy = fabs(2.0 * vars->zx * vars->zy) + vars->cy;
vars->zx = fabs(x_temp);
if (vars->zx * vars->zx + vars->zy * vars->zy >= __DBL_MAX__)
break ;
}
if (i == vars->max_iterations)
put_color_to_pixel(vars, vars->box_x, vars->box_y, 0x000000);
else
put_color_to_pixel(vars, vars->box_x, vars->box_y, (vars->color * i));
}
int mouse_hook(int mouse_code, int x, int y, t_vars *vars)
{
if (mouse_code == SCROLL_UP)
zoom(vars, x, y, 1);
else if (mouse_code == SCROLL_DOWN)
zoom(vars, x, y, -1);
draw_frac(vars, vars->name);
return (0);
}