is_hit.c

[lucienvb]

/* ************************************************************************** /
/ /
/ ::: :::::::: /
/ is_hit.c :+: :+: :+: /
/ +:+ +:+ +:+ /
/ By: lvan-bus lvan-bus@student.42.fr +#+ +:+ +#+ /
/ +#+#+#+#+#+ +#+ /
/ Created: 2024/03/08 14:02:57 by lvan-bus #+# #+# /
/ Updated: 2024/03/08 15:28:24 by lvan-bus ### ########.fr /
/ /
/ ************************************************************************** */

#include "../../include/cubed.h"

static t_hit is_hit_validate(t_cubed *cubed, double x,
bool x_ray_is_shortest)
{
if (x_ray_is_shortest)
{
if (cubed->map[cubed->mapY][cubed->mapX + (int)cubed->dirX] == '1')
{
cubed->percentage_wall_width = fmod(x, 40) / 40;
cubed->side = true;
return (x_ray_hit);
}
}
else
{
if (cubed->map[cubed->mapY + (int)cubed->dirY][cubed->mapX] == '1')
{
cubed->percentage_wall_width = fmod(x, 40) / 40;
cubed->side = false;
return (y_ray_hit);
}
}
return (no_hit);
}

t_hit is_hit(t_cubed *cubed, double player_to_grid_x,
double player_to_grid_y, bool x_ray_is_shortest)
{
double pa;
double x;

pa = cubed->pa + cubed->fov;
x = 0;
if (x_ray_is_shortest)
{
	x = ((cubed->posX + player_to_grid_x) * cubed->grid_size);
	return (is_hit_validate(cubed, x, x_ray_is_shortest));
}
else
{
	x = ((cubed->posX + player_to_grid_y * cos(pa) / sin(pa))
			* cubed->grid_size);
	return (is_hit_validate(cubed, x, x_ray_is_shortest));
}

}