1  /* ************************************************************************** */
 2  /*                                                                            */
 3  /*                                                        :::      ::::::::   */
 4  /*   moving.c                                           :+:      :+:    :+:   */
 5  /*                                                    +:+ +:+         +:+     */
 6  /*   By: ll-hotel <ll-hotel@student.42.fr>          +#+  +:+       +#+        */
 7  /*                                                +#+#+#+#+#+   +#+           */
 8  /*   Created: 2024/08/21 01:38:28 by ll-hotel          #+#    #+#             */
 9  /*   Updated: 2024/10/25 14:32:57 by ll-hotel         ###   ########.fr       */
10  /*                                                                            */
11  /* ************************************************************************** */
12  
13  #include "cub3D.h"
14  #include "vec2f.h"
15  #include "mlx.h"
16  #include <math.h>
17  
18  static void	turn_player(t_cube *cube, t_player *player);
19  static void	walk_player(t_cube *cube, t_player *player);
20  static void	strafe_player(t_cube *cube, t_player *player);
21  
22  void	move_player(t_cube *cube, t_player *player)
23  {
24  	if (player->turning != 0)
25  		turn_player(cube, player);
26  	if (player->walking != 0)
27  		walk_player(cube, player);
28  	if (player->strafing != 0)
29  		strafe_player(cube, player);
30  }
31  
32  void	rotation(t_player *player, float coef)
33  {
34  	float	cam_x;
35  	float	cam_y;
36  
37  	player->axis += coef;
38  	if (player->axis < 0)
39  		player->axis += 2.f * PI;
40  	else if (player->axis > 2.f * PI)
41  		player->axis -= 2.f * PI;
42  	player->dir.x = cosf(player->axis);
43  	player->dir.y = -sinf(player->axis);
44  	cam_x = player->camera.x;
45  	cam_y = player->camera.y;
46  	player->camera.x = cam_x * cosf(coef) + cam_y * sinf(coef);
47  	player->camera.y = cam_x * -sinf(coef) + cam_y * cosf(coef);
48  }
49  
50  void	turn_player(t_cube *cube, t_player *player)
51  {
52  	float	coef;
53  
54  	if (cube->player.use_pointer)
55  		coef = turn_with_mouse(cube, player);
56  	else
57  		coef = 0.2 * player->turning;
58  	rotation(player, coef);
59  }
60  
61  void	walk_player(t_cube *cube, t_player *player)
62  {
63  	t_vec2f	step;
64  	float	axis;
65  
66  	axis = player->axis + PI * (player->walking == -1);
67  	if (axis > 2 * PI)
68  		axis -= 2 * PI;
69  	else if (axis < 0)
70  		axis += 2 * PI;
71  	step = vec2f_scal(vec2f(cosf(axis), -sinf(axis)), 0.1f);
72  	collision_correction(cube, player, &step);
73  	player->pos = vec2f_add(step, player->pos);
74  }
75  
76  void	strafe_player(t_cube *cube, t_player *player)
77  {
78  	t_vec2f	step;
79  	float	axis;
80  
81  	axis = player->axis + PI * 0.5 * player->strafing;
82  	if (axis > 2 * PI)
83  		axis -= 2 * PI;
84  	else if (axis < 0)
85  		axis += 2 * PI;
86  	step = vec2f_scal(vec2f(cosf(axis), -sinf(axis)), 0.1f);
87  	collision_correction(cube, player, &step);
88  	player->pos = vec2f_add(step, player->pos);
89  }