diff --git a/Cub3D 2 b/Cub3D 2
new file mode 100755
index 0000000..b4309a9
Binary files /dev/null and b/Cub3D 2 differ
diff --git a/Makefile b/Makefile
index 4affe38..10d3cb7 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@
 #    By: rparodi <rparodi@student.42.fr>            +#+  +:+       +#+         #
 #                                                 +#+#+#+#+#+   +#+            #
 #    Created: 2023/11/12 11:05:05 by rparodi           #+#    #+#              #
-#    Updated: 2024/11/23 12:41:29 by rparodi          ###   ########.fr        #
+#    Updated: 2024/11/27 16:05:42 by rparodi          ###   ########.fr        #
 #                                                                              #
 # **************************************************************************** #
 
@@ -26,8 +26,8 @@ CFLAGS += -g3 -MMD
 # CFLAGS += -fsanitize=address
 # CFLAGS += -fsanitize=thread
 
-# INCLUDES += -I /opt/X11/include
-INCLUDES = -I /usr/include -I ./includes -I ./includes/include -I ./minilibx-linux
+INCLUDES += -I /opt/X11/include
+INCLUDES = -I ./includes -I ./includes/include -I ./minilibx-linux
  
 # Paths
 LIBFT_DIR = ./libft
@@ -37,8 +37,8 @@ MLX_DIR = ./minilibx-linux
 LDFLAGS = -L./build -lft -lm
 
 # MiniLibX flags for macOS with XQuartz
-MLXFLAGS = -L$(MLX_DIR) -lmlx -lX11 -lXext -lXrender -lXrandr -lXi
-#MLXFLAGS += -L/opt/X11/lib
+MLXFLAGS = -L$(MLX_DIR) -lmlx -lX11 -lXext
+MLXFLAGS += -L/opt/X11/lib
 
 # Add MLXFLAGS to the linker flags
 LDFLAGS += $(MLXFLAGS)
diff --git a/Makefile.gen b/Makefile.gen
new file mode 100644
index 0000000..60181d4
--- /dev/null
+++ b/Makefile.gen
@@ -0,0 +1 @@
+INC=/usr/X11/include
diff --git a/includes/cub3d.h b/includes/cub3d.h
index b07c25c..43386a5 100644
--- a/includes/cub3d.h
+++ b/includes/cub3d.h
@@ -6,7 +6,7 @@
 /*   By: rparodi <rparodi@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/10/30 16:30:26 by rparodi           #+#    #+#             */
-/*   Updated: 2024/11/20 13:55:10 by rparodi          ###   ########.fr       */
+/*   Updated: 2024/11/26 13:37:20 by rparodi          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -38,5 +38,6 @@ void	parse_map(t_info *info);
 void	parse_args(char *arg, t_info *inf);
 
 int		main(int argc, char *argv[]);
+void	shelves_launch(t_info *info);
 
 #endif /* CUB3D_H */
diff --git a/includes/cub3d_struct.h b/includes/cub3d_struct.h
index 8516dd2..211541f 100644
--- a/includes/cub3d_struct.h
+++ b/includes/cub3d_struct.h
@@ -6,7 +6,7 @@
 /*   By: bgoulard <bgoulard@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/11/08 23:55:29 by bgoulard          #+#    #+#             */
-/*   Updated: 2024/11/20 15:13:28 by rparodi          ###   ########.fr       */
+/*   Updated: 2024/11/26 13:35:13 by rparodi          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -19,6 +19,8 @@
 # define FILE_EXTENSION ".cub"
 # define FILE_EXTENSION_LEN 4
 
+#define FOV 65
+#define TILE_SIZE 64
 // -- graphic utils
 
 typedef struct s_color
diff --git a/libft/compilation.log b/libft/compilation.log
deleted file mode 100644
index 707331c..0000000
--- a/libft/compilation.log
+++ /dev/null
@@ -1,4 +0,0 @@
-src/ft_string/ft_chr/ft_putchar_fd.c:17:2: error: ignoring return value of function declared with 'warn_unused_result' attribute [-Werror,-Wunused-result]
-   17 |         write(fd, &c, 1);
-      |         ^~~~~ ~~~~~~~~~
-1 error generated.
diff --git a/mlx_layer/mlx_init.c b/mlx_layer/mlx_init.c
index df0abcc..db5c801 100644
--- a/mlx_layer/mlx_init.c
+++ b/mlx_layer/mlx_init.c
@@ -6,7 +6,7 @@
 /*   By: rparodi <rparodi@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/11/11 19:53:42 by rparodi           #+#    #+#             */
-/*   Updated: 2024/11/22 15:17:07 by rparodi          ###   ########.fr       */
+/*   Updated: 2024/11/26 13:40:17 by rparodi          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -32,17 +32,17 @@ int	c3_redcross(t_info *info)
 {
 	return (mlx_loop_end(info->mlx_ptr), EXIT_SUCCESS);
 }
-t_win_list	*c3_init_mlx_window(t_info *info);
-/*t_win_list	*c3_init_mlx_window(t_info *info)*/
-/*{*/
-/*	int x;*/
-/*	int y;*/
-/**/
-/*	x = 0;*/
-/*	y = 0;*/
-/*	mlx_get_screen_size(info->mlx_ptr, &x, &y);*/
-/*	return (mlx_new_window(info->mlx_ptr, x, y, "C3D"));*/
-/*}*/
+
+t_win_list	*c3_init_mlx_window(t_info *info)
+{
+	int x;
+	int y;
+
+	x = 0;
+	y = 0;
+	mlx_get_screen_size(info->mlx_ptr, &x, &y);
+	return (mlx_new_window(info->mlx_ptr, x, y, "C3D"));
+}
 
 int	init_mlx_env(t_info *info)
 {
@@ -54,6 +54,7 @@ int	init_mlx_env(t_info *info)
 		return (ERROR_MLX);
 	mlx_hook(info->win_ptr, KeyPress, KeyPressMask, c3_keyhook, info);
 	mlx_hook(info->win_ptr, DestroyNotify, StructureNotifyMask, c3_redcross, info);
-	mlx_loop_hook(info->mlx_ptr, c3_frame_update, info);
+	mlx_loop_hook(info->mlx_ptr, (int (*)())shelves_launch, &info);
+	/*mlx_loop_hook(info->mlx_ptr, c3_frame_update, info);*/
 	return (NO_ERROR);
 }
diff --git a/raycast/rc_utils.c b/raycast/rc_utils.c
index c6bca11..971edf6 100644
--- a/raycast/rc_utils.c
+++ b/raycast/rc_utils.c
@@ -6,7 +6,7 @@
 /*   By: rparodi <rparodi@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/11/12 12:24:35 by rparodi           #+#    #+#             */
-/*   Updated: 2024/11/23 12:33:39 by rparodi          ###   ########.fr       */
+/*   Updated: 2024/11/26 13:39:56 by rparodi          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -27,91 +27,76 @@ double	cub_convert_deg_to_rad(double degrees)
 }
 
 /**
- * @brief Launches a ray for raycasting to determine the distance to the first wall.
+	* @brief Launches a ray for raycasting to determine the distance to the first wall.
  *
  * This function calculates the distance of a ray cast in a specified angle
  * until it either hits a wall or reaches the maximum range.
  *
- * @param info      A pointer to the `t_info` structure containing the map and other relevant data.
+
+	* @param info      A pointer to the `t_info` structure containing the map and other relevant data.
  * @param angle     The angle of the ray being cast, in radians.
  *
  * @return The distance from the starting position to the first wall hit.
- *         If no wall is hit within `MAX_RANGE`, the function returns `MAX_RANGE`.
+ *         If no wall is hit within `MAX_RANGE`,
+	the function returns `MAX_RANGE`.
  */
- double	rc_launch(t_info *info, double angle)
- {
-  double	distance;
-  t_dpoint	direction;
-  t_dpoint	rayon;
-
-  distance = 0;
-  direction.x = cos(angle);
-  direction.y = sin(angle);
-  rayon.x = 0;
-  rayon.y = 0;
-     while (distance < MAX_RANGE)
-    {
-        rayon.x = direction.x * distance;
-        rayon.y = direction.y * distance;
-        if (info->map.map[(int)info->map.fraw[(int)rayon.x][(int)rayon.y]] == '1')
-            return (distance);
-        distance += STEP_SIZE;
-    }
-  return (MAX_RANGE);
- }
-
- /**
-  * @brief Launches algorithm over a specified width with angle adjustments.
-  *
-  * @param info         The structure of the game (for the view)
-  * @param spacing      The spacing between rays.
-  * @param focal        The focal length affecting the angle adjustment.
-  * @param width        The total width (number of columns) to iterate over.
-  *
-  * @note The function assumes `rc_launch` is defined elsewhere to handle the angle.
-  */
- void	shelves_launch(t_info *info, double spacing, double focal, int width)
- {
-     int x;
-     double angle;
-
-     x = 0;
-     while (x < width)
-     {
-         angle = info->player.view + atan(\
-    (spacing / 2 - x * spacing / (width - 1)) / focal);
-         rc_launch(info, angle);
-         x++;
-     }
- }
-
-t_win_list	*c3_init_mlx_window(t_info *info)
+double	rc_launch(t_info *info, double angle)
 {
-	void	*window;
-	int		i;
-	int		j;
-	int x;
-	int y;
+	double		distance = 0;
+	t_dpoint	direction = { cos(angle), sin(angle) };
+	t_dpoint	rayon = { 0, 0 };
 
-	x = 0;
-	y = 0;
-	mlx_get_screen_size(info->mlx_ptr, &x, &y);
-
-	i = 0;
-	window = mlx_new_window(info->mlx_ptr, x, y, "Raycasting");
-	while (i < x)
+	while (distance < MAX_RANGE)
 	{
-		j = 0;
-		while (j < y)
-		{
-			if (info->map.fraw[i / info->map.size.x][j / info->map.size.y] == '1')
-				mlx_pixel_put(info->mlx_ptr, window, i, j, 0xFFFFFF);
-			else
-				mlx_pixel_put(info->mlx_ptr, window, i, j, 0x000000);
-			j++;
-		}
-	 i++;
+		rayon.x = info->player.pos.x + direction.x * distance;
+		rayon.y = info->player.pos.y + direction.y * distance;
+		if (info->map.fraw[(int)(rayon.y)][(int)(rayon.x)] == '1')
+			return (distance);
+		distance += STEP_SIZE;
 	}
-	mlx_loop(info->mlx_ptr);
-	return (window);
- }
+	return (MAX_RANGE);
+}
+
+/**
+ * @brief Launches algorithm over a specified width with angle adjustments.
+ *
+ * @param info         The structure of the game (for the view)
+ * @param spacing      The spacing between rays.
+ * @param focal        The focal length affecting the angle adjustment.
+ * @param width        The total width (number of columns) to iterate over.
+ *
+
+	* @note The function assumes `rc_launch` is defined elsewhere to handle the angle.
+ */
+
+void	draw_line(t_info *info, int x, int start, int end, unsigned int color)
+{
+	while (start <= end)
+	{
+		mlx_pixel_put(info->mlx_ptr, info->win_ptr, x, start, color);
+		start++;
+	}
+}
+
+void	shelves_launch(t_info *info)
+{
+	info->player.pos = (t_dpoint){ 4.5, 4.5 }; // Starting in the middle of the map
+	info->player.view = 0;	int		x;
+	double	angle;
+	double	distance;
+	double	projection_plane = info->map.size.x / (2.0 * tan(M_PI / 6.0));
+
+	for (x = 0; x < info->map.size.x; x++)
+	{
+		angle = info->player.view + atan((x - info->map.size.x / 2.0) / projection_plane);
+		distance = rc_launch(info, angle);
+		int line_height = (int)(TILE_SIZE / distance * projection_plane);
+		int start = (info->map.size.y / 2) - (line_height / 2);
+		int end = (info->map.size.y / 2) + (line_height / 2);
+
+		if (start < 0) start = 0;
+		if (end >= info->map.size.y) end = info->map.size.y - 1;
+
+		draw_line(info, x, start, end, 0xFFFFFF);
+	}
+}
diff --git a/test/.envrc b/test/.envrc
new file mode 100644
index 0000000..3550a30
--- /dev/null
+++ b/test/.envrc
@@ -0,0 +1 @@
+use flake
diff --git a/test/Makefile b/test/Makefile
new file mode 100644
index 0000000..854d6d2
--- /dev/null
+++ b/test/Makefile
@@ -0,0 +1,146 @@
+# **************************************************************************** #
+#                                                                              #
+#                                                         :::      ::::::::    #
+#    Makefile                                           :+:      :+:    :+:    #
+#                                                     +:+ +:+         +:+      #
+#    By: rparodi <rparodi@student.42.fr>            +#+  +:+       +#+         #
+#                                                 +#+#+#+#+#+   +#+            #
+#    Created: 2023/11/12 11:05:05 by rparodi           #+#    #+#              #
+#    Updated: 2024/11/26 14:41:12 by rparodi          ###   ########.fr        #
+#                                                                              #
+# **************************************************************************** #
+
+# Variables
+
+# Name
+NAME = Cub3D
+NAME_BONUS = Cub3D_bonus
+
+# Commands
+CC = cc
+RM = rm -rf
+
+# Flags
+CFLAGS = -Werror -Wextra -Wall
+CFLAGS += -g3 -MMD 
+# CFLAGS += -fsanitize=address
+# CFLAGS += -fsanitize=thread
+
+# INCLUDES += -I /opt/X11/include
+INCLUDES = -I /usr/include -I ./includes -I ./includes/include -I ./minilibx-linux
+ 
+# Paths
+MLX_DIR = ./minilibx-linux
+
+# Library flags
+LDFLAGS = -L./build -lm
+
+# MiniLibX flags for macOS with XQuartz
+MLXFLAGS = -L$(MLX_DIR) -lmlx -lX11 -lXext
+#MLXFLAGS += -L/opt/X11/lib
+
+# Add MLXFLAGS to the linker flags
+LDFLAGS += $(MLXFLAGS)
+
+SRC = test2.c
+
+# Objects
+OBJDIRNAME = ./build
+OBJ = $(addprefix $(OBJDIRNAME)/,$(SRC:.c=.o))
+
+# Colors
+GREEN = \033[32m
+GREY = \033[0;90m
+RED = \033[0;31m
+GOLD = \033[38;5;220m
+END = \033[0m
+
+# Rules
+#
+# All (make all)
+all: header $(NAME) footer
+
+# Bonus (make bonus)
+bonus: header $(OBJ) footer
+	@mkdir -p $(OBJDIRNAME)
+	@printf '$(GREY) Creating $(END)$(GREEN)$(OBJDIRNAME)$(END)\n'
+	@$(CC) $(CFLAGS) -D BONUS=1 -o $(NAME_BONUS) $(OBJ) $(LDFLAGS)
+
+# Clean (make clean)
+clean:
+	@printf '$(GREY) Removing $(END)$(RED)Objects$(END)\n'
+	@printf '$(GREY) Removing $(END)$(RED)Objects Folder$(END)\n'
+	@$(RM) $(OBJDIRNAME)
+
+# Clean (make fclean)
+fclean: clean
+	@printf '$(GREY) Removing $(END)$(RED)Program$(END)\n'
+	@$(RM) $(NAME)
+	@$(RM) $(NAME_BONUS)
+	@echo ""
+
+# Restart (make re)
+re: header fclean all
+
+# Compile external libraries
+build/libmlx.a:
+	@make --no-print-directory -C $(MLX_DIR)
+
+# Dependences for all
+$(NAME): $(OBJ) build/libmlx.a
+	@mkdir -p $(OBJDIRNAME)
+	@printf '$(GREY) Creating $(END)$(GREEN)$(OBJDIRNAME)$(END)\n'
+	@$(CC) $(CFLAGS) $(OBJ) $(LDFLAGS) -o $(NAME)
+
+# Creating the objects
+$(OBJDIRNAME)/%.o: %.c
+	@mkdir -p $(dir $@)
+	@printf '$(GREY) Compiling $(END)$(GREEN)$<$(END)\n'
+	@$(CC) $(CFLAGS) $(INCLUDES) -o $@ -c $<
+
+# Header
+header:
+		@clear
+		@printf '\n\n'
+		@printf '$(GOLD)            *******     ****** ******* $(END)\n'
+		@printf '$(GOLD)          ******        ***    ******* $(END)\n'
+		@printf '$(GOLD)      *******           *      ******* $(END)\n'
+		@printf '$(GOLD)     ******                  ******* $(END)\n'
+		@printf '$(GOLD)  *******                  ******* $(END)\n'
+		@printf '$(GOLD) *******************    *******      * $(END)\n'
+		@printf '$(GOLD) *******************    *******    *** $(END)\n'
+		@printf '$(GOLD)              ******    ******* ****** $(END)\n'
+		@printf '$(GOLD)              ******  $(END)\n'
+		@printf '$(GOLD)              ******  $(END)\n'
+		@printf '$(GREY)                                      Made by rparodi$(END)\n\n'
+
+# Footer
+footer:
+		@printf "\n"
+		@printf "$(GOLD)                   ,_     _,$(END)\n"
+		@printf "$(GOLD)                   | \\___//|$(END)\n"
+		@printf "$(GOLD)                   |=6   6=|$(END)\n"
+		@printf "$(GOLD)                   \\=._Y_.=/$(END)\n"
+		@printf "$(GOLD)                    )  \`  (    ,$(END)\n"
+		@printf "$(GOLD)                   /       \\  (('$(END)\n"
+		@printf "$(GOLD)                   |       |   ))$(END)\n"
+		@printf "$(GOLD)                  /| |   | |\\_//$(END)\n"
+		@printf "$(GOLD)                  \\| |._.| |/-\`$(END)\n"
+		@printf "$(GOLD)                   '\"'   '\"'$(END)\n"
+		@printf '              $(GREY)The compilation is$(END) $(GOLD)finish$(END)\n               $(GREY)Have a good $(END)$(GOLD)correction !$(END)\n'
+
+clangd:
+	@echo -en			\
+	"CompileFlags:\n"	\
+	"  Add:\n"			\
+	"    - \"-Wall -Wextra -Werror\"\n"	\
+	"    - \"-I/opt/X11/include\"\n"	\
+	"    - \"-I"$(shell pwd)"/includes\"\n"	\
+	"    - \"-I"$(shell pwd)"/includes/include\"\n"	\
+	"    - \"-xc\"\n"	\
+	> .clangd
+
+# Phony targets
+.PHONY: all bonus clean fclean re
+
+-include ${OBJ:.o=.d}
diff --git a/test/Makefile.gen b/test/Makefile.gen
new file mode 100644
index 0000000..60181d4
--- /dev/null
+++ b/test/Makefile.gen
@@ -0,0 +1 @@
+INC=/usr/X11/include
diff --git a/test/flake.lock b/test/flake.lock
new file mode 100644
index 0000000..6db3dfb
--- /dev/null
+++ b/test/flake.lock
@@ -0,0 +1,143 @@
+{
+  "nodes": {
+    "c_formatter_42": {
+      "inputs": {
+        "c_formatter_42_src": "c_formatter_42_src",
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1731759938,
+        "narHash": "sha256-3cVAExF4GFXXMd72AUUNgBn3p6W/8HIpYpeXvczK3Bo=",
+        "owner": "maix0",
+        "repo": "c_formatter_42-flake",
+        "rev": "26b2a2b774669d10bc50ab624ef58ed48ca2e9ec",
+        "type": "github"
+      },
+      "original": {
+        "owner": "maix0",
+        "repo": "c_formatter_42-flake",
+        "type": "github"
+      }
+    },
+    "c_formatter_42_src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1727700580,
+        "narHash": "sha256-GFnYVipVE6G1GFUqAzRkBSg7GgPgcLWX48GZtmM4i2Q=",
+        "owner": "dawnbeen",
+        "repo": "c_formatter_42",
+        "rev": "a255930b4be508a94bf6d8523d96556bdb4660ad",
+        "type": "github"
+      },
+      "original": {
+        "owner": "dawnbeen",
+        "repo": "c_formatter_42",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flake-utils_2": {
+      "inputs": {
+        "systems": "systems_2"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 0,
+        "narHash": "sha256-Dqg6si5CqIzm87sp57j5nTaeBbWhHFaVyG7V6L8k3lY=",
+        "path": "/nix/store/zq2axpgzd5kykk1v446rkffj3bxa2m2h-source",
+        "type": "path"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1732014248,
+        "narHash": "sha256-y/MEyuJ5oBWrWAic/14LaIr/u5E0wRVzyYsouYY3W6w=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "23e89b7da85c3640bbc2173fe04f4bd114342367",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "c_formatter_42": "c_formatter_42",
+        "flake-utils": "flake-utils_2",
+        "nixpkgs": "nixpkgs_2"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "systems_2": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/test/flake.nix b/test/flake.nix
new file mode 100644
index 0000000..b62b26c
--- /dev/null
+++ b/test/flake.nix
@@ -0,0 +1,31 @@
+{
+  description = "Flake utils demo";
+
+  inputs = {
+	nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+    c_formatter_42.url = "github:maix0/c_formatter_42-flake";
+  };
+  outputs = {
+    self,
+    nixpkgs,
+    flake-utils,
+    c_formatter_42,
+  }:
+    flake-utils.lib.eachDefaultSystem (
+      system: let
+        pkgs = nixpkgs.legacyPackages.${system};
+      in {
+        devShell = pkgs.mkShell {
+          packages = [
+           pkgs.xorg.libX11
+            pkgs.xorg.libXext
+            pkgs.clang
+            pkgs.clang-tools
+            pkgs.norminette
+            c_formatter_42.packages.${system}.default
+            ];
+        };
+      }
+    );
+}
diff --git a/test/minilibx-linux b/test/minilibx-linux
new file mode 160000
index 0000000..7dc53a4
--- /dev/null
+++ b/test/minilibx-linux
@@ -0,0 +1 @@
+Subproject commit 7dc53a411a7d4ae286c60c6229bd1e395b0efb82
diff --git a/test/test.c b/test/test.c
new file mode 100644
index 0000000..f5fa61b
--- /dev/null
+++ b/test/test.c
@@ -0,0 +1,263 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   test.c                                             :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: rparodi <rparodi@student.42.fr>            +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/11/27 12:09:00 by rparodi           #+#    #+#             */
+/*   Updated: 2024/11/27 15:59:53 by rparodi          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "test.h"
+
+int	worldMap[MAP_WIDTH][MAP_HEIGHT] = {\
+{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, \
+{1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,1,1,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1} \
+};
+
+void	my_mlx_pixel_put(t_data *data, int x, int y, int color)
+{
+	char	*dst;
+
+	dst = data->addr + (y * data->line_length + x * (data->bits_per_pixel / 8));
+	*(unsigned int *)dst = color;
+}
+
+void	move_straight(t_data *data)
+{
+	if (!worldMap[\
+		(int)(data->pos_x + data->dir_x * MOVE_SPEED)][(int)data->pos_y])
+		data->pos_x += data->dir_x * MOVE_SPEED;
+	if (!worldMap[\
+		(int)data->pos_x][(int)(data->pos_y + data->dir_y * MOVE_SPEED)])
+		data->pos_y += data->dir_y * MOVE_SPEED;
+}
+
+void	move_backward(t_data *data)
+{
+	if (!worldMap[\
+		(int)(data->pos_x - data->dir_x * MOVE_SPEED)][(int)data->pos_y])
+		data->pos_x -= data->dir_x * MOVE_SPEED;
+	if (!worldMap[\
+		(int)data->pos_x][(int)(data->pos_y - data->dir_y * MOVE_SPEED)])
+		data->pos_y -= data->dir_y * MOVE_SPEED;
+}
+
+void	move_left(t_data *data)
+{
+	double	perp_dir_x;
+	double	perp_dir_y;
+
+	perp_dir_x = -data->dir_y;
+	perp_dir_y = data->dir_x;
+	if (!worldMap[\
+		(int)(data->pos_x + perp_dir_x * MOVE_SPEED)][(int)data->pos_y])
+		data->pos_x -= perp_dir_x * MOVE_SPEED;
+	if (!worldMap[\
+		(int)data->pos_x][(int)(data->pos_y - perp_dir_y * MOVE_SPEED)])
+		data->pos_y -= perp_dir_y * MOVE_SPEED;
+}
+
+void	move_right(t_data *data)
+{
+	double	perp_dir_x;
+	double	perp_dir_y;
+
+	perp_dir_x = -data->dir_y;
+	perp_dir_y = data->dir_x;
+	if (!worldMap[\
+		(int)(data->pos_x - perp_dir_x * MOVE_SPEED)][(int)data->pos_y])
+		data->pos_x += perp_dir_x * MOVE_SPEED;
+	if (!worldMap[\
+		(int)data->pos_x][(int)(data->pos_y + perp_dir_y * MOVE_SPEED)])
+		data->pos_y += perp_dir_y * MOVE_SPEED;
+}
+
+void	look_left(t_data *data)
+{
+	double	old_dir_x;
+	double	old_plane_x;
+
+	old_dir_x = data->dir_x;
+	old_plane_x = data->plane_x;
+	data->dir_x = data->dir_x * cos(ROT_SPEED) - data->dir_y * sin(ROT_SPEED);
+	data->dir_y = old_dir_x * sin(ROT_SPEED) + data->dir_y * cos(ROT_SPEED);
+	data->plane_x = data->plane_x * cos(ROT_SPEED) \
+				- data->plane_y * sin(ROT_SPEED);
+	data->plane_y = old_plane_x * sin(ROT_SPEED) \
+				+ data->plane_y * cos(ROT_SPEED);
+}
+
+void	look_right(t_data *data)
+{
+	double	old_dir_x;
+	double	old_plane_x;
+
+	old_dir_x = data->dir_x;
+	old_plane_x = data->plane_x;
+	data->dir_x = data->dir_x * cos(-ROT_SPEED) - data->dir_y * sin(-ROT_SPEED);
+	data->dir_y = old_dir_x * sin(-ROT_SPEED) + data->dir_y * cos(-ROT_SPEED);
+	data->plane_x = data->plane_x * cos(-ROT_SPEED) \
+				- data->plane_y * sin(-ROT_SPEED);
+	data->plane_y = old_plane_x * sin(-ROT_SPEED) \
+				+ data->plane_y * cos(-ROT_SPEED);
+}
+
+int	key_hook(int keycode, t_data *data)
+{
+	if (keycode == 65307)
+		exit(0);
+	if (keycode == 119)
+		move_straight(data);
+	if (keycode == 115)
+		move_backward(data);
+	if (keycode == 97)
+		move_right(data);
+	if (keycode == 100)
+		move_left(data);
+	if (keycode == 65361)
+		look_left(data);
+	if (keycode == 65363)
+		look_right(data);
+	return (0);
+}
+
+int	render_frame(t_data *data)
+{
+	int	y;
+	int x;
+
+	y = 0;
+	while (y < WINDOW_HEIGHT)
+	{
+		x = 0;
+		while (x < WINDOW_WIDTH)
+		{
+			my_mlx_pixel_put(data, x, y, 0x00000000);
+			x++;
+		}
+		y++;
+	}
+
+	for(int x = 0; x < WINDOW_WIDTH; x++)
+	{
+		double cameraX = 2 * x / (double)WINDOW_WIDTH - 1;
+		double rayDirX = data->dir_x + data->plane_x * cameraX;
+		double rayDirY = data->dir_y + data->plane_y * cameraX;
+
+		int mapX = (int)data->pos_x;
+		int mapY = (int)data->pos_y;
+
+		double sideDistX, sideDistY;
+		double deltaDistX = fabs(1 / rayDirX);
+		double deltaDistY = fabs(1 / rayDirY);
+		double perpWallDist;
+
+		int stepX, stepY;
+		int hit = 0;
+		int side;
+
+		if (rayDirX < 0) {
+			stepX = -1;
+			sideDistX = (data->pos_x - mapX) * deltaDistX;
+		} else {
+			stepX = 1;
+			sideDistX = (mapX + 1.0 - data->pos_x) * deltaDistX;
+		}
+		if (rayDirY < 0) {
+			stepY = -1;
+			sideDistY = (data->pos_y - mapY) * deltaDistY;
+		} else {
+			stepY = 1;
+			sideDistY = (mapY + 1.0 - data->pos_y) * deltaDistY;
+		}
+
+		while (hit == 0) {
+			if (sideDistX < sideDistY) {
+				sideDistX += deltaDistX;
+				mapX += stepX;
+				side = 0;
+			} else {
+				sideDistY += deltaDistY;
+				mapY += stepY;
+				side = 1;
+			}
+			if (worldMap[mapX][mapY] > 0)
+				hit = 1;
+		}
+
+		if (side == 0)
+			perpWallDist = (mapX - data->pos_x + (1 - stepX) / 2) / rayDirX;
+		else
+			perpWallDist = (mapY - data->pos_y + (1 - stepY) / 2) / rayDirY;
+
+		int lineHeight = (int)(WINDOW_HEIGHT / perpWallDist);
+		int drawStart = -lineHeight / 2 + WINDOW_HEIGHT / 2;
+		if(drawStart < 0) drawStart = 0;
+		int drawEnd = lineHeight / 2 + WINDOW_HEIGHT / 2;
+		if(drawEnd >= WINDOW_HEIGHT) drawEnd = WINDOW_HEIGHT - 1;
+
+		int color;
+		if (side == 0 && stepX > 0)
+			color = 0x00FF0000;
+		else if (side == 0 && stepX < 0)
+			color = 0x0000FF00;
+		else if (side == 1 && stepY > 0)
+			color = 0x000000FF;
+		else
+			color = 0x00FFFF00;
+
+		if (side == 1) color = (color >> 1) & 8355711; // Make sides darker
+
+		for(int y = drawStart; y < drawEnd; y++)
+			my_mlx_pixel_put(data, x, y, color);
+	}
+	mlx_put_image_to_window(data->mlx, data->win, data->img, 0, 0);
+	return (0);
+}
+
+int main(void)
+{
+	t_data data;
+
+	data.mlx = mlx_init();
+	data.win = mlx_new_window(data.mlx, WINDOW_WIDTH, WINDOW_HEIGHT, "Raycaster");
+	data.img = mlx_new_image(data.mlx, WINDOW_WIDTH, WINDOW_HEIGHT);
+	data.addr = mlx_get_data_addr(data.img, &data.bits_per_pixel, &data.line_length, &data.endian);
+
+	data.pos_x = 22;
+	data.pos_y = 12;
+	data.dir_x = -1;
+	data.dir_y = 0;
+	data.plane_x = 0;
+	data.plane_y = 0.66;
+
+	mlx_hook(data.win, 2, 1L<<0, key_hook, &data);
+	mlx_loop_hook(data.mlx, render_frame, &data);
+	mlx_loop(data.mlx);
+	return (0);
+}
diff --git a/test/test.h b/test/test.h
new file mode 100644
index 0000000..f5ede6b
--- /dev/null
+++ b/test/test.h
@@ -0,0 +1,45 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   test.h                                             :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: rparodi <rparodi@student.42.fr>            +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/11/27 12:07:20 by rparodi           #+#    #+#             */
+/*   Updated: 2024/11/27 12:08:19 by rparodi          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#ifndef TEST_H
+# define TEST_H
+
+# include "minilibx-linux/mlx.h"
+# include <math.h>
+# include <stdio.h>
+# include <stdlib.h>
+
+# define WINDOW_WIDTH 1024
+# define WINDOW_HEIGHT 768
+# define MAP_WIDTH 24
+# define MAP_HEIGHT 24
+# define MOVE_SPEED 0.5
+# define ROT_SPEED 0.5
+
+typedef struct s_data
+{
+	void	*mlx;
+	void	*win;
+	void	*img;
+	char	*addr;
+	int		bits_per_pixel;
+	int		line_length;
+	int		endian;
+	double	pos_x;
+	double	pos_y;
+	double	dir_x;
+	double	dir_y;
+	double	plane_x;
+	double	plane_y;
+}			t_data;
+
+#endif
diff --git a/test/test2.c b/test/test2.c
new file mode 100644
index 0000000..8992bd2
--- /dev/null
+++ b/test/test2.c
@@ -0,0 +1,262 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   test2.c                                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: rparodi <rparodi@student.42.fr>            +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/11/27 12:09:00 by rparodi           #+#    #+#             */
+/*   Updated: 2024/11/27 16:00:23 by rparodi          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "minilibx-linux/mlx.h"
+#include "test.h"
+
+int	worldMap[MAP_WIDTH][MAP_HEIGHT] = {\
+{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, \
+{1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,1,1,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, \
+{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1} \
+};
+
+void	my_mlx_pixel_put(t_data *data, int x, int y, int color)
+{
+	char	*dst;
+
+	dst = data->addr + (y * data->line_length + x * (data->bits_per_pixel / 8));
+	*(unsigned int *)dst = color;
+}
+
+void	move_straight(t_data *data)
+{
+	if (!worldMap[\
+		(int)(data->pos_x + data->dir_x * MOVE_SPEED)][(int)data->pos_y])
+		data->pos_x += data->dir_x * MOVE_SPEED;
+	if (!worldMap[\
+		(int)data->pos_x][(int)(data->pos_y + data->dir_y * MOVE_SPEED)])
+		data->pos_y += data->dir_y * MOVE_SPEED;
+}
+
+void	move_backward(t_data *data)
+{
+	if (!worldMap[\
+		(int)(data->pos_x - data->dir_x * MOVE_SPEED)][(int)data->pos_y])
+		data->pos_x -= data->dir_x * MOVE_SPEED;
+	if (!worldMap[\
+		(int)data->pos_x][(int)(data->pos_y - data->dir_y * MOVE_SPEED)])
+		data->pos_y -= data->dir_y * MOVE_SPEED;
+}
+
+void	move_left(t_data *data)
+{
+	double	perp_dir_x;
+	double	perp_dir_y;
+
+	perp_dir_x = -data->dir_y;
+	perp_dir_y = data->dir_x;
+	if (!worldMap[\
+		(int)(data->pos_x + perp_dir_x * MOVE_SPEED)][(int)data->pos_y])
+		data->pos_x -= perp_dir_x * MOVE_SPEED;
+	if (!worldMap[\
+		(int)data->pos_x][(int)(data->pos_y - perp_dir_y * MOVE_SPEED)])
+		data->pos_y -= perp_dir_y * MOVE_SPEED;
+}
+
+void	move_right(t_data *data)
+{
+	double	perp_dir_x;
+	double	perp_dir_y;
+
+	perp_dir_x = -data->dir_y;
+	perp_dir_y = data->dir_x;
+	if (!worldMap[\
+		(int)(data->pos_x - perp_dir_x * MOVE_SPEED)][(int)data->pos_y])
+		data->pos_x += perp_dir_x * MOVE_SPEED;
+	if (!worldMap[\
+		(int)data->pos_x][(int)(data->pos_y + perp_dir_y * MOVE_SPEED)])
+		data->pos_y += perp_dir_y * MOVE_SPEED;
+}
+
+void	look_left(t_data *data)
+{
+	double	old_dir_x;
+	double	old_plane_x;
+
+	old_dir_x = data->dir_x;
+	old_plane_x = data->plane_x;
+	data->dir_x = data->dir_x * cos(ROT_SPEED) - data->dir_y * sin(ROT_SPEED);
+	data->dir_y = old_dir_x * sin(ROT_SPEED) + data->dir_y * cos(ROT_SPEED);
+	data->plane_x = data->plane_x * cos(ROT_SPEED) \
+				- data->plane_y * sin(ROT_SPEED);
+	data->plane_y = old_plane_x * sin(ROT_SPEED) \
+				+ data->plane_y * cos(ROT_SPEED);
+}
+
+void	look_right(t_data *data)
+{
+	double	old_dir_x;
+	double	old_plane_x;
+
+	old_dir_x = data->dir_x;
+	old_plane_x = data->plane_x;
+	data->dir_x = data->dir_x * cos(-ROT_SPEED) - data->dir_y * sin(-ROT_SPEED);
+	data->dir_y = old_dir_x * sin(-ROT_SPEED) + data->dir_y * cos(-ROT_SPEED);
+	data->plane_x = data->plane_x * cos(-ROT_SPEED) \
+				- data->plane_y * sin(-ROT_SPEED);
+	data->plane_y = old_plane_x * sin(-ROT_SPEED) \
+				+ data->plane_y * cos(-ROT_SPEED);
+}
+
+int	key_hook(int keycode, t_data *data)
+{
+	if (keycode == 65307)
+		exit(0);
+	if (keycode == 119)
+		move_straight(data);
+	if (keycode == 115)
+		move_backward(data);
+	if (keycode == 97)
+		move_right(data);
+	if (keycode == 100)
+		move_left(data);
+	if (keycode == 65361)
+		look_left(data);
+	if (keycode == 65363)
+		look_right(data);
+	return (0);
+}
+
+int	render_frame(t_data *data)
+{
+	int	y;
+	int x;
+
+	y = 0;
+	while (y < WINDOW_HEIGHT)
+	{
+		x = 0;
+		while (x < WINDOW_WIDTH)
+		{
+			my_mlx_pixel_put(data, x, y, 0x00000000);
+			x++;
+		}
+		y++;
+	}
+
+	for(int x = 0; x < WINDOW_WIDTH; x++)
+	{
+		double cameraX = 2 * x / (double)WINDOW_WIDTH - 1;
+		double rayDirX = data->dir_x + data->plane_x * cameraX;
+		double rayDirY = data->dir_y + data->plane_y * cameraX;
+
+		int mapX = (int)data->pos_x;
+		int mapY = (int)data->pos_y;
+
+		double sideDistX, sideDistY;
+		double deltaDistX = fabs(1 / rayDirX);
+		double deltaDistY = fabs(1 / rayDirY);
+		double perpWallDist;
+
+		int stepX, stepY;
+		int hit = 0;
+		int side;
+
+		if (rayDirX < 0) {
+			stepX = -1;
+			sideDistX = (data->pos_x - mapX) * deltaDistX;
+		} else {
+			stepX = 1;
+			sideDistX = (mapX + 1.0 - data->pos_x) * deltaDistX;
+		}
+		if (rayDirY < 0) {
+			stepY = -1;
+			sideDistY = (data->pos_y - mapY) * deltaDistY;
+		} else {
+			stepY = 1;
+			sideDistY = (mapY + 1.0 - data->pos_y) * deltaDistY;
+		}
+
+		while (hit == 0) {
+			if (sideDistX < sideDistY) {
+				sideDistX += deltaDistX;
+				mapX += stepX;
+				side = 0;
+			} else {
+				sideDistY += deltaDistY;
+				mapY += stepY;
+				side = 1;
+			}
+			if (worldMap[mapX][mapY] > 0)
+				hit = 1;
+		}
+
+		if (side == 0)
+			perpWallDist = (mapX - data->pos_x + (1 - stepX) / 2) / rayDirX;
+		else
+			perpWallDist = (mapY - data->pos_y + (1 - stepY) / 2) / rayDirY;
+
+		int lineHeight = (int)(WINDOW_HEIGHT / perpWallDist);
+		int drawStart = -lineHeight / 2 + WINDOW_HEIGHT / 2;
+		if(drawStart < 0) drawStart = 0;
+		int drawEnd = lineHeight / 2 + WINDOW_HEIGHT / 2;
+		if(drawEnd >= WINDOW_HEIGHT) drawEnd = WINDOW_HEIGHT - 1;
+
+		int color;
+		if (side == 0 && stepX > 0)
+			color = 0x00FF0000;
+		else if (side == 0 && stepX < 0)
+			color = 0x0000FF00;
+		else if (side == 1 && stepY > 0)
+			color = 0x000000FF;
+		else
+			color = 0x00FFFF00;
+
+		for(int y = drawStart; y < drawEnd; y++)
+			my_mlx_pixel_put(data, x, y, color);
+	}
+	mlx_put_image_to_window(data->mlx, data->win, data->img, 0, 0);
+	return (0);
+}
+
+int main(void)
+{
+	t_data data;
+
+	data.mlx = mlx_init();
+	data.win = mlx_new_window(data.mlx, WINDOW_WIDTH, WINDOW_HEIGHT, "Raycaster");
+	data.img = mlx_new_image(data.mlx, WINDOW_WIDTH, WINDOW_HEIGHT);
+	data.addr = mlx_get_data_addr(data.img, &data.bits_per_pixel, &data.line_length, &data.endian);
+
+	data.pos_x = 22;
+	data.pos_y = 12;
+	data.dir_x = -1;
+	data.dir_y = 0;
+	data.plane_x = 0;
+	data.plane_y = 0.66;
+
+	mlx_hook(data.win, 2, 1L<<0, key_hook, &data);
+	mlx_loop_hook(data.mlx, render_frame, &data);
+	mlx_loop(data.mlx);
+	return (0);
+}
diff --git a/test/textures/a.xpm b/test/textures/a.xpm
new file mode 100644
index 0000000..5d7ac8c
--- /dev/null
+++ b/test/textures/a.xpm
@@ -0,0 +1,154 @@
+/* XPM */
+static char *_cb59dce4f574e3bd6a1e2f025c0312agi1mGDihwOOx8j7A[] = {
+/* columns rows colors chars-per-pixel */
+"32 32 116 2 ",
+"   c #100F10",
+".  c #161515",
+"X  c #191717",
+"o  c #191718",
+"O  c #1E1C1C",
+"+  c #211E1E",
+"@  c #252222",
+"#  c #292626",
+"$  c #2D2B2B",
+"%  c #322E2E",
+"&  c #3A2F2E",
+"*  c #36302F",
+"=  c #3C312E",
+"-  c #342F30",
+";  c #353131",
+":  c #3A3434",
+">  c #3D3836",
+",  c #3C3738",
+"<  c #3E3A3A",
+"1  c #43332F",
+"2  c #433534",
+"3  c #4C3633",
+"4  c #433A36",
+"5  c #4C3937",
+"6  c #433C3B",
+"7  c #4B3D3B",
+"8  c #503835",
+"9  c #523D3C",
+"0  c #46413E",
+"q  c #4B433D",
+"w  c #524433",
+"e  c #55443B",
+"r  c #453F41",
+"t  c #563D40",
+"y  c #474141",
+"u  c #4B4442",
+"i  c #4E4845",
+"p  c #4F4949",
+"a  c #544442",
+"s  c #584644",
+"d  c #534A42",
+"f  c #5A4A46",
+"g  c #554D4B",
+"h  c #5C4D4C",
+"j  c #545146",
+"k  c #56514C",
+"l  c #5B524D",
+"z  c #5D5552",
+"x  c #5F5A53",
+"c  c #614D46",
+"v  c #61534D",
+"b  c #625D4C",
+"n  c #625553",
+"m  c #635A53",
+"M  c #655B59",
+"N  c #695D5A",
+"B  c #636052",
+"V  c #696354",
+"C  c #6E6852",
+"Z  c #66615A",
+"A  c #6B625D",
+"S  c #6D695B",
+"D  c #70675F",
+"F  c #736A5D",
+"G  c #6C6360",
+"H  c #6B6463",
+"J  c #6F6563",
+"K  c #6D6865",
+"L  c #706763",
+"P  c #726766",
+"I  c #716A62",
+"U  c #726A63",
+"Y  c #756D63",
+"T  c #746A64",
+"R  c #786B66",
+"E  c #786D66",
+"W  c #716A68",
+"Q  c #746B69",
+"!  c #776E6C",
+"~  c #7B6F69",
+"^  c #796E6A",
+"/  c #786E6C",
+"(  c #767161",
+")  c #7B7366",
+"_  c #7C7367",
+"`  c #7E7A66",
+"'  c #767069",
+"]  c #79706B",
+"[  c #7C716B",
+"{  c #7F7868",
+"}  c #7F796C",
+"|  c #7E7572",
+" . c #807D6D",
+".. c #807776",
+"X. c #837B70",
+"o. c #847972",
+"O. c #857C72",
+"+. c #847B79",
+"@. c #8A7F78",
+"#. c #868172",
+"$. c #898171",
+"%. c #8C8673",
+"&. c #8A8174",
+"*. c #8D8870",
+"=. c #8D867B",
+"-. c #928B7C",
+";. c #938C7D",
+":. c #968F7F",
+">. c #96907B",
+",. c #98907F",
+"<. c #8D8681",
+"1. c #938C80",
+"2. c #948C88",
+"3. c #979081",
+"4. c #999087",
+"5. c #A29C81",
+/* pixels */
+"V : H + Z m % - $ $ ' ! # -.$ k g x $ $ 2 &.$ % % 2 >.g ; z $ A ",
+"&.d % $ 1 F 5.@ X.1 f [ % % % : z Y % ; O.L ] # @ N a T ; % , :.",
+"A ; $ 6 = C $ , % , ; a $ I %.% 7 % o + 1 Z = 1 O % $ < @ & v L ",
+"O ; T # 3 X @ 2 l z % % % g p % $ % A l $ ; : M t % = f G % # # ",
+"e ; ; 6 > k $ & $ % @ % % : 4 % 0 % > T 4 $ % a % @ % $ 9 N $ -.",
+"J % / z ~ 3.k , , f Z k e 3 # % O.d % % % } 6 : ; I | l $ , $ l ",
+"N 8 2 2 3 O.m 6 , % E % = % 5 L E S % % 7 N J k = > u [ & D $ R ",
+"= % + # ; % 2 % $ 7 l $ % : % : > $ $ $ , 2 q 4 % % % , , 4 % * ",
+"$ h Z A $ % % 7 % : : $ A z q ; ; : ] I % ; $ ; D N 0 $ | Z z p ",
+"M l g X.< 7 7 W u < % ; n { m , > > i > ; j % m q d g O 7 g g $ ",
+"6 , n @ $ z : 2 % m  .d % 9 % , l > ; ; m M @ : % , x @ $ % $ ; ",
+"L 4 $ ; I <.u ; # A P A $ % # x 0 , % # z X.x < $ m P 9 = _ < g ",
+"A 7 , + @.M & 9 % ; $ : % > % ; # ; % : n N n ; k % $ % G H % u ",
+"$ % O.; $ $ . ` l % # $ # $ =.I 7 <.2.A ; % $ $ 6 x : , V Y > 6 ",
+"2 ] [ s $ 9 @ E { m A O ] f A ; l s +.@ F I $ | / O.% % 2 0 $ : ",
+"% % f a % $ ; A E = % # 3 i > $ $ , ..+ O g ; ~ N $ : : % $ 4 k ",
+"$.j , < & #.% 6 : $ ;.a % 2 % g *.; g ; c v , $ : 6 T ~ % u ; ( ",
+"g Z # : O.L ] # 6 N a T # % , D p d % % = F ` ; Z = f [ , % $ u ",
+"v % @ # 1 Z = 1 $ % $ ; 6 % v l A @ @ ; & j $ ; # $ ; a . I S : ",
+"# $ g l $ $ , M t % = f G , ; $ ; # z , 2 6 # 7 L ~ ; 7 % u 6 ; ",
+") % 0 z e , # a % ; % # 9 N $ -.n , < 6 > k $ & $ % $ # % < 4 $ ",
+": : ; $ % } b d , I | l $ $ # l W % / z ~ 3.S ; * f #.S e 3 ; * ",
+"0 6 % p s N J k = > J [ & D @ R N 8 3 9 3 O.m ; # % E % 2 % 9 A ",
+"v $ $ $ , : 4 : % * ; % 6 4 % % % % O < % % 2 % % > D @ ; q % z ",
+"# 2 ] z % , % # l N 0 # | +.4.p % q O.A $ r # a ; w = , A g m o ",
+"( i 0 c 7 j % ] l 6 , % 2 G N % > J A o.# 7 a W Q A +   n k [ % ",
+"k M 9 @ S M # 2 $ 6 ] , # % % % % % n # # Q * 2 % d  .d < 9 % ; ",
+"u u # $ Z 1.Z % % m P 9 = _ @ A x % $ ; I <.L $ $ g P ~ % % y [ ",
+"p $ % : u g a $ D % $ % G H % A y : ; % @.M 2 9 $ % # 3 @ f ; $ ",
+"7 K z y % # ; % 6 ] 7 , V ,.d 6 % % O.% $ ; % B ; % y ; ; $ =.I ",
+"J 7 g < u I $ M x O.% # 7 Z ; 1 9 ] [ s $ 2 # 6 { i q O ] f A , ",
+"u ; .., ; A u ~ N $ ; $ + $ 1 l % % f a , % # A z % % $ 3 n 9 % "
+};
diff --git a/test/textures/b.xpm b/test/textures/b.xpm
new file mode 100644
index 0000000..99258e6
--- /dev/null
+++ b/test/textures/b.xpm
@@ -0,0 +1,49 @@
+/* XPM */
+static char *_947bb94b4e04fd3d8b6e97faaaaa774DMhsGHANfMg9UIKL[] = {
+/* columns rows colors chars-per-pixel */
+"32 32 11 1 ",
+"  c #422816",
+". c #4E371C",
+"X c #584529",
+"o c #655131",
+"O c #665232",
+"+ c #655339",
+"@ c #705C41",
+"# c #756349",
+"$ c #796442",
+"% c #816D54",
+"& c #948066",
+/* pixels */
+"##++XX#@###%@%%O@X++.X#@@XX+++++",
+"#@o+X  #%##@O+X@@++XX+++@+@@++#%",
+"#%#OO.+XXo+%#&%##.X.X##%@@@++##O",
+"oooXXXX. +@@OX#.X##+X+..+#@O@X++",
+"+OX@O@%%##@XX++OooXXX.X+XXX+@OXX",
+"$X#O@.X@XXX.+.XX..+XX+XX+@+X....",
+"#+%%++X+@@@X++#+X..+@+#####%#$#@",
+"+X+X...XX@#.+#X@@+.++#&%@@@#+.++",
+"X+XXX+XXXX@#%.@##@@.@++++#X.X.@%",
+".+XX..X+@@++..#@++...X.XXX+@+XX+",
+"X+X@#%+X.X++#+X  XX++++...++X+X+",
+"X..++@.XXXXOO@@@&##%@@+...++.++X",
+"+@+X...#@#%@+@@+@#+X@#++@X.+@#++",
+"X.XXX++&+@++X+.X+++X+XX###@@@X+X",
+" .#++###+%#@+X#oXX+@@#@+@##+##..",
+".%@##XOX%#@.@@X..X.X@@+@@@@@XX++",
+"#@#X.XXXX+++.XX@#+++X XXX#+X+X+&",
+"X@#%+X@XX.XX++O##@+..X++@#@%%++@",
+"##@##.@+XXXX.XX@XX+X..+XX@#%%#@X",
+"..X##.+X+@XX++@++X++.+X++++X+++.",
+"+#+.XX+XX#+%&#@@@#X XX@XX.XX# .+",
+"XX+X.+%%%%@@XX++%+%&%#++.X+X@.XX",
+"#   ++@+@#+XX.+X##+X##+@++@+@@#%",
+"##X+X+@oX@....XXXX+o+#@@@++ X#X@",
+"%+@XX..XX.X#..@X+X++#+XX+.@X+X%@",
+"+X.X.X+++#XX+XX@@@@#+++.+++@+%OX",
+"XOX+@X+@+@@+++X+++X+@X+++@X@X+X ",
+"@##&@#++++@+++@X+. ..++@@.X++X+%",
+"@#@#X+@++X@+XXXX++@+@XXX.X+@@@@%",
+"XXOXXX...+@@#@@X@@#@#@&...X@#@.X",
+"XX@...+@%&#XX@XX++@ .@@#@@+@X.X+",
+"%@.@%@@+++@o++++X+X+@++XXO@@@%#&"
+};