we can move and rotate

inc/player.h

@@ -16,6 +16,7 @@
 # include "cub3d.h"
 
 int		player_create(t_game **game);
+void	player_move(keys_t key, t_player *player);
 void	player_render(t_screen *screen, t_player *player);
 
 #endif

src/keyhandle.c

@@ -17,6 +17,9 @@ void	keyhandle(mlx_key_data_t keydata, void *param)
 	t_game	*game;
 
 	game = (t_game *)param;
-	if (keydata.key == MLX_KEY_ESCAPE)
+	if (keydata.key == MLX_KEY_W || keydata.key == MLX_KEY_S
+		|| keydata.key == MLX_KEY_LEFT || keydata.key == MLX_KEY_RIGHT)
+		player_move(keydata.key, game->player);
+	else if (keydata.key == MLX_KEY_ESCAPE)
 		game_terminate(game);
 }

src/player.c

@@ -29,7 +29,27 @@ int	player_create(t_game **game)
 	return (SUCCESS);
 }
 
+void	player_move(keys_t key, t_player *player)
+{
+	if (key == MLX_KEY_W)
+	{
+		player->pos.x += cos(player->angle) * player->speed;
+		player->pos.y += sin(player->angle) * player->speed;
+	}
+	else if (key == MLX_KEY_S)
+	{
+		player->pos.x -= cos(player->angle) * player->speed;
+		player->pos.y -= sin(player->angle) * player->speed;
+	}
+	else if (key == MLX_KEY_LEFT)
+		player->angle -= .1f;
+	else if (key == MLX_KEY_RIGHT)
+		player->angle += .1f;
+}
+
 void	player_render(t_screen *screen, t_player *player)
 {
+	if (player->pos.x < 0 || player->pos.x >= screen->width || player->pos.y < 0 || player->pos.y >= screen->height)
+		return ;
 	mlx_put_pixel(screen->img, (int) player->pos.x, (int) player->pos.y, 0xFFFFFFFF);
 }