cub3D/draw/ft_ray_utils.c
2024-01-14 23:36:45 +01:00

60 lines
2.0 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_ray_utils.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: fgras-ca <fgras-ca@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/01/14 18:25:39 by fgras-ca #+# #+# */
/* Updated: 2024/01/14 18:41:22 by fgras-ca ### ########.fr */
/* */
/* ************************************************************************** */
#include "../cub3d.h"
void handle_ra_vertical(t_ray_calc_params *params, float nTan, int tileSize)
{
if (params->ra > P2 && params->ra < P3)
{
*params->rx = (((int)params->w->s_player.px / tileSize)
* tileSize) - 0.0001;
params->xo = -tileSize;
}
else if (params->ra < P2 || params->ra > P3)
{
*params->rx = (((int)params->w->s_player.px / tileSize)
* tileSize) + tileSize;
params->xo = tileSize;
}
else
{
*params->rx = params->w->s_player.px;
*params->ry = params->w->s_player.py;
params->dof = DOF;
return ;
}
*params->ry = (params->w->s_player.px - *params->rx)
* nTan + params->w->s_player.py;
params->yo = -params->xo * nTan;
}
void handle_ra_not_equal_pi(t_ray_calc_params *params,
float atan, int tilesize)
{
if (params->ra > PI)
{
*params->ry = (((int)params->w->s_player.py / tilesize)
* tilesize) - 0.0001;
params->yo = -tilesize;
}
else
{
*params->ry = (((int)params->w->s_player.py / tilesize)
* tilesize) + tilesize;
params->yo = tilesize;
}
*params->rx = (params->w->s_player.py - *params->ry)
* atan + params->w->s_player.px;
params->xo = -params->yo * atan;
}