Files
42_INT_10_cube3d/srcs/player/player_rotates.c
2022-05-04 14:38:34 +02:00

72 lines
2.0 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* player_rotates.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: pblagoje <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/05/04 13:49:40 by pblagoje #+# #+# */
/* Updated: 2022/05/04 13:49:57 by pblagoje ### ########.fr */
/* */
/* ************************************************************************** */
#include "cube3d.h"
void rotate(t_plr *plr, t_coord *coord)
{
int old_x;
t_coord tmp;
if (plr->rot == 0)
return ;
tmp.x = coord->x - plr->pos.x;
tmp.y = coord->y - plr->pos.y;
old_x = tmp.x;
tmp.x = tmp.x * plr->cosi + tmp.y * plr->cosj;
tmp.y = old_x * plr->sini + tmp.y * plr->sinj;
coord->x = tmp.x + plr->pos.x;
coord->y = tmp.y + plr->pos.y;
}
void rotate_double(t_plr *plr, t_d_coord *coord)
{
double old_x;
t_d_coord tmp;
if (plr->rot == 0)
return ;
tmp.x = coord->x - plr->exact.x;
tmp.y = coord->y - plr->exact.y;
old_x = tmp.x;
tmp.x = tmp.x * plr->cosi + tmp.y * plr->cosj;
tmp.y = old_x * plr->sini + tmp.y * plr->sinj;
coord->x = tmp.x + plr->exact.x;
coord->y = tmp.y + plr->exact.y;
}
void plr_turn(t_plr *plr, int deg)
{
double radi;
double radj;
if (plr->rot == -180)
(plr->rot) *= -1;
plr->rot += deg;
radi = plr->rot * M_PI / 180;
radj = radi + (M_PI / 2);
plr->cosi = cos(radi);
plr->sini = sin(radi);
plr->cosj = cos(radj);
plr->sinj = sin(radj);
}
void plr_turn_left(t_plr *plr)
{
plr_turn(plr, -plr->deg);
}
void plr_turn_right(t_plr *plr)
{
plr_turn(plr, plr->deg);
}