diff --git a/src/sprites/sprite.h b/src/sprites/sprite.h
index ddd7e91..ad2aece 100644
--- a/src/sprites/sprite.h
+++ b/src/sprites/sprite.h
@@ -6,7 +6,7 @@
 /*   By: tchampio <tchampio@student.42lehavre.fr>   +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/08/05 12:59:44 by tchampio          #+#    #+#             */
-/*   Updated: 2025/08/06 12:13:12 by tchampio         ###   ########.fr       */
+/*   Updated: 2025/08/06 14:41:17 by tchampio         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -15,6 +15,25 @@
 
 # include "../draw/img_data.h"
 
+/*
+* x - real position for the sprite
+* y - real position for the sprite
+* image - texture
+* img_width - width of texture
+* img_height - height of texture
+* sprite_pos_x - Position of the sprite relative to the player
+* sprite_pos_y - Position of the sprite relative to the player
+* inv_det - Inversion of the matrix (playerpos and spritepos)
+* transform_x - Result of the inversion
+* transform_y - Result of the inversion
+* sprite_screen_x - Position of the sprite on screen (horizontal)
+* sprite_height - height of the sprite on screen
+* sprite_draw_start_y - for the while loop when rendering (col)
+* sprite_draw_end_y - for the while loop when rendering (col)
+* sprite_width - width of the sprite on screen
+* sprite_draw_start_x - for the while loop when rendering (row)
+* sprite_draw_end_x - for the while loop when rendering (row)
+*/
 typedef struct s_sprite
 {
 	double		x;
@@ -22,6 +41,18 @@ typedef struct s_sprite
 	t_img_data	*image;
 	int			img_width;
 	int			img_height;
+	double		sprite_pos_x;
+	double		sprite_pos_y;
+	double		inv_det;
+	double		transform_x;
+	double		transform_y;
+	int			sprite_screen_x;
+	int			sprite_height;
+	int			sprite_draw_start_y;
+	int			sprite_draw_end_y;
+	int			sprite_width;
+	int			sprite_draw_start_x;
+	int			sprite_draw_end_x;
 }	t_sprite;
 
 #endif // SPRITE_H
diff --git a/src/sprites/sprite_caster.c b/src/sprites/sprite_caster.c
index 68bea7e..24df5ef 100644
--- a/src/sprites/sprite_caster.c
+++ b/src/sprites/sprite_caster.c
@@ -6,7 +6,7 @@
 /*   By: tchampio <tchampio@student.42lehavre.fr>   +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/08/05 15:51:01 by tchampio          #+#    #+#             */
-/*   Updated: 2025/08/07 12:07:36 by tchampio         ###   ########.fr       */
+/*   Updated: 2025/08/07 12:58:45 by tchampio         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -21,18 +21,6 @@
 void	sprite_caster(t_cub3d_data *data)
 {
 	int		i;
-	double	spriteX;
-	double	spriteY;
-	double	invDet;
-	double	transformX;
-	double	transformY;
-	int		spriteScreenX;
-	int		spriteHeight;
-	int		spriteDrawStartY;
-	int		spriteDrawEndY;
-	int		spriteWidth;
-	int		spriteDrawStartX;
-	int		spriteDrawEndX;
 	int		stripe;
 	int		texX;
 	int		d;
@@ -44,37 +32,37 @@ void	sprite_caster(t_cub3d_data *data)
 	i = 0;
 	while (data->sprite_list[i] && i < MAX_SPRITES)
 	{
-		spriteX = data->sprite_list[data->sprite_order[i]]->x - data->player.x;
-		spriteY = data->sprite_list[data->sprite_order[i]]->y - data->player.y;
-		invDet = 1.0 / (data->player.plane_x * data->player.dir_y - data->player.dir_x * data->player.plane_y);
-		transformX = invDet * (data->player.dir_y * spriteX - data->player.dir_x * spriteY);
-		transformY = invDet * (-data->player.plane_y * spriteX + data->player.plane_x * spriteY);
-		spriteScreenX = (int)((WIDTH / 2) * (1 + transformX / transformY));
-		spriteHeight = (int)fabs((HEIGHT / transformY));
-		spriteDrawStartY = -spriteHeight / 2 + HEIGHT / 2;
-		if (spriteDrawStartY < 0)
-			spriteDrawStartY = 0;
-		spriteDrawEndY = spriteHeight / 2 + HEIGHT / 2;
-		if (spriteDrawEndY >= HEIGHT)
-			spriteDrawEndY = HEIGHT - 1;
-		spriteWidth = (int)fabs((HEIGHT / transformY));
-		spriteDrawStartX = -spriteWidth / 2 + spriteScreenX;
-		if (spriteDrawStartX < 0)
-			spriteDrawStartX = 0;
-		spriteDrawEndX = spriteWidth / 2 + spriteScreenX;
-		if (spriteDrawEndX >= WIDTH)
-			spriteDrawEndX = WIDTH - 1;
-		stripe = spriteDrawStartX;
-		while (stripe < spriteDrawEndX)
+		data->sprite_list[i]->sprite_pos_x = data->sprite_list[data->sprite_order[i]]->x - data->player.x;
+		data->sprite_list[i]->sprite_pos_y = data->sprite_list[data->sprite_order[i]]->y - data->player.y;
+		data->sprite_list[i]->inv_det = 1.0 / (data->player.plane_x * data->player.dir_y - data->player.dir_x * data->player.plane_y);
+		data->sprite_list[i]->transform_x = data->sprite_list[i]->inv_det * (data->player.dir_y * data->sprite_list[i]->sprite_pos_x - data->player.dir_x * data->sprite_list[i]->sprite_pos_y);
+		data->sprite_list[i]->transform_y = data->sprite_list[i]->inv_det * (-data->player.plane_y * data->sprite_list[i]->sprite_pos_x + data->player.plane_x * data->sprite_list[i]->sprite_pos_y);
+		data->sprite_list[i]->sprite_screen_x = (int)((WIDTH / 2) * (1 + data->sprite_list[i]->transform_x / data->sprite_list[i]->transform_y));
+		data->sprite_list[i]->sprite_height = (int)fabs((HEIGHT / data->sprite_list[i]->transform_y));
+		data->sprite_list[i]->sprite_draw_start_y = -data->sprite_list[i]->sprite_height / 2 + HEIGHT / 2;
+		if (data->sprite_list[i]->sprite_draw_start_y < 0)
+			data->sprite_list[i]->sprite_draw_start_y = 0;
+		data->sprite_list[i]->sprite_draw_end_y = data->sprite_list[i]->sprite_height / 2 + HEIGHT / 2;
+		if (data->sprite_list[i]->sprite_draw_end_y >= HEIGHT)
+			data->sprite_list[i]->sprite_draw_end_y = HEIGHT - 1;
+		data->sprite_list[i]->sprite_width = (int)fabs((HEIGHT / data->sprite_list[i]->transform_y));
+		data->sprite_list[i]->sprite_draw_start_x = -data->sprite_list[i]->sprite_width / 2 + data->sprite_list[i]->sprite_screen_x;
+		if (data->sprite_list[i]->sprite_draw_start_x < 0)
+			data->sprite_list[i]->sprite_draw_start_x = 0;
+		data->sprite_list[i]->sprite_draw_end_x = data->sprite_list[i]->sprite_width / 2 + data->sprite_list[i]->sprite_screen_x;
+		if (data->sprite_list[i]->sprite_draw_end_x >= WIDTH)
+			data->sprite_list[i]->sprite_draw_end_x = WIDTH - 1;
+		stripe = data->sprite_list[i]->sprite_draw_start_x;
+		while (stripe < data->sprite_list[i]->sprite_draw_end_x)
 		{
-			texX = (int)(256 * (stripe - (-spriteWidth / 2 + spriteScreenX)) * SIZE / spriteWidth) / 256;
-			if (transformY > 0 && stripe > 0 && stripe < WIDTH && transformY < data->zbuffer[stripe])
+			texX = (int)(256 * (stripe - (-data->sprite_list[i]->sprite_width / 2 + data->sprite_list[i]->sprite_screen_x)) * SIZE / data->sprite_list[i]->sprite_width) / 256;
+			if (data->sprite_list[i]->transform_y > 0 && stripe > 0 && stripe < WIDTH && data->sprite_list[i]->transform_y < data->zbuffer[stripe])
 			{
-				j = spriteDrawStartY;
-				while (j < spriteDrawEndY)
+				j = data->sprite_list[i]->sprite_draw_start_y;
+				while (j < data->sprite_list[i]->sprite_draw_end_y)
 				{
-					d = (j) * 256 - HEIGHT * 128 + spriteHeight * 128;
-					texY = ((d * SIZE) / spriteHeight) / 256;
+					d = (j) * 256 - HEIGHT * 128 + data->sprite_list[i]->sprite_height * 128;
+					texY = ((d * SIZE) / data->sprite_list[i]->sprite_height) / 256;
 					color = my_mlx_pixel_get(data->sprite_list[data->sprite_order[i]]->image, texX, texY);
 					if (color != SPRITE_TRANPARENCY_COLOR)
 						matrix_set(data, stripe, j, color);