maybe resolved wall distorsion

headers/cube3d_macro.h

@@ -20,7 +20,7 @@
 /* screen focal (in degree) */
 # define SCREEN_FOCAL 70
 /* size of a cell on the map */
-# define CELL 20
+# define CELL 40
 
 /*
  * keys macro

headers/cube3d_struct.h

@@ -171,6 +171,7 @@ typedef struct		s_game
 		// rays
 		int				ray_highlight;
 		int				ray_activ;
+		t_vec			ray;
 	// tmp end
 
 	// key hook

maps/map_valid_14.cub

@@ -1,4 +1,4 @@
-NO textures/coin.xpm
+NO textures/door.xpm
 SO textures/chalice.xpm
 EA textures/brick.xpm
 WE textures/wood.xpm

maps/map_valid_15.cub

@@ -0,0 +1,15 @@
+NO textures/door.xpm
+SO textures/door.xpm
+EA textures/door.xpm
+WE textures/door.xpm
+
+F   220   ,      100,      30   
+
+C     225    ,    30    ,     0
+
+1111111111111
+1000000000001
+1000000000001
+10000N0000001
+1000000000001
+1111111111111

srcs/draw/draw_column.c

@@ -40,6 +40,17 @@ static void	draw_txt_column(t_game *game, t_wall *wall, t_img *txt_img)
 	int	j;
 
 	img_x = (wall->posx * txt_img->width) / game->rcast.cell;
+
+	// tmp draw map
+		if (game->ray_activ)
+		{
+			printf("img_x:%i ", img_x);
+			draw_line(&game->img, &wall->vec, 0x00FF00FF);
+			return ;
+		}
+
+	// tmp end
+
 	j = wall->limit;
 	i = 0;
 	while (j < wall->height - wall->limit)

srcs/draw/raycast.c

@@ -36,16 +36,40 @@ static void	calcul_img_column(t_game *game, t_rcast *rcast, t_wall *wall)
 
 	if (rcast->is_x == 1)
 	{
-		tmp = (rcast->slope_y + wall->delta) / ft_abs(rcast->slope_x);
+		tmp = wall->delta;
+//		tmp += rcast->slope_y;
+		tmp *= -rcast->ray_sign_y;
+		tmp /= ft_abs(rcast->slope_x);
 		tmp += game->plr.pos.y;
+
+	// tmp draw map
+		if (game->ray_activ)
+			printf("tmp:%i ", tmp);
+	// tmp end
+
 		wall->posx = tmp % rcast->cell;
 	}
 	else
 	{
-		tmp = (rcast->slope_x + wall->delta) / ft_abs(rcast->slope_y);
+		tmp = wall->delta;
+//		tmp += rcast->slope_x;
+		tmp *= -rcast->ray_sign_x;
+		tmp /= ft_abs(rcast->slope_y);
 		tmp += game->plr.pos.x;
+
+	// tmp draw map
+		if (game->ray_activ)
+			printf("tmp:%i ", tmp);
+	// tmp end
+
 		wall->posx = tmp % rcast->cell;
 	}
+
+	// tmp draw map
+		if (game->ray_activ)
+			printf("wall->posx:%i ", wall->posx);
+	// tmp end
+
 }
 
 static void fill_wall_vector(t_rcast *rcast, t_wall *wall)
@@ -93,12 +117,15 @@ void	raycast(t_game *game, t_rcast *rcast)
 	rcast->ray_nb = 0;
 	while (rcast->ray_nb <= rcast->screen_width)
 	{
+
 		// tmp draw map
 			// rays
 			game->ray_activ = 0;
 			if (rcast->ray_nb == game->ray_highlight)
+			{
 				game->ray_activ = 1;
-			//if (game->ray_activ) printf("hello\n");
+				game->ray = ray;
+			}
 		// tmp end
 
 		ray_intersect_wall(game, rcast, &ray);
@@ -116,4 +143,9 @@ void	raycast(t_game *game, t_rcast *rcast)
 		draw_column(game, rcast, &rcast->wall, &game->txt);
 		(rcast->ray_nb)++;
 	}
+
+	// tmp draw map
+		printf("\n\n");
+	// tmp end
+
 }