From ef4cc1a996f5a75f89905f18052847bb98ae719c Mon Sep 17 00:00:00 2001
From: hugogogo <hugogogo@protonmail.com>
Date: Mon, 25 Apr 2022 13:17:55 +0200
Subject: [PATCH] visual 3d with buble effect and rays for slope null

---
 headers/cube3d_macro.h | 2 +-
 srcs/draw/raycast.c    | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/headers/cube3d_macro.h b/headers/cube3d_macro.h
index 477cce1..1e95774 100644
--- a/headers/cube3d_macro.h
+++ b/headers/cube3d_macro.h
@@ -18,7 +18,7 @@
 /* size of a cell on the map */
 # define CELL 20
 /* height of a wall without perpectiv */
-# define WALL_HEIGHT 300
+# define WALL_HEIGHT 200
 
 /*
  * keys macro
diff --git a/srcs/draw/raycast.c b/srcs/draw/raycast.c
index 26b0472..c0d0ea1 100644
--- a/srcs/draw/raycast.c
+++ b/srcs/draw/raycast.c
@@ -38,9 +38,18 @@ static void	calcul_wall(t_rcast *rcast)
 	rcast->wall.start.x = rcast->ray_nb;
 	rcast->wall.end.x = rcast->ray_nb;
 	if (rcast->is_x == 1 && rcast->slope_y != 0)
+	{
 		length = (rcast->next_x - rcast->ray_step_x) / ft_abs(rcast->slope_y);
+		length = (double)length * (double)rcast->screen_dist.end.y / (double)rcast->slope_x;
+//		length = (rcast->next_x - rcast->ray_step_x) / ft_abs(rcast->slope_y);
+	}
 	if (rcast->is_x == 0 && rcast->slope_x != 0)
+	{
 		length = (rcast->next_y - rcast->ray_step_y) / ft_abs(rcast->slope_x);
+		length = (double)length * (double)rcast->screen_dist.end.y / (double)rcast->slope_y;
+//		length = (rcast->next_y - rcast->ray_step_y) / ft_abs(rcast->slope_x);
+	}
+	length = ft_abs(length);
 	height = rcast->wall_height - length;
 	if (height < 0)
 		height = 0;