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bresenham_utils.c
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bresenham_utils.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* bresenham_utils.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: ishakuro <ishakuro@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/03/18 15:42:10 by ishakuro #+# #+# */
/* Updated: 2022/04/05 12:38:02 by ishakuro ### ########.fr */
/* */
/* ************************************************************************** */
#include "fdf.h"
int ft_abs(int a)
{
if (a < 0)
return (-a);
else
return (a);
}
int ft_direction(int a, int b)
{
if (a < b)
return (1);
else
return (-1);
}
int err_calculation(t_p *delta)
{
if (delta->x > delta->y)
return (delta->x / 2);
else
return (-delta->y / 2);
}
void zoom(t_p *p1, t_p *p2, t_mlx *mlx)
{
p1->x = (p1->x - (mlx->map->width / 2)) * mlx->map->zoom;
p1->y = (p1->y - (mlx->map->height / 2)) * mlx->map->zoom;
p2->x = (p2->x - (mlx->map->width / 2)) * mlx->map->zoom;
p2->y = (p2->y - (mlx->map->height / 2)) * mlx->map->zoom;
}
int color(int z, int z2, t_map *map)
{
if (z == 0 && z2 == 0)
map->color = 0xffe6cc;
else
map->color = 0xff8000;
return (map->color);
}