From 091bf9e418ffdcf36e1735ed78d544f3d1b86785 Mon Sep 17 00:00:00 2001
From: Mel <einebeere@gmail.com>
Date: Mon, 5 Feb 2024 13:48:13 +0100
Subject: More precise collision detection (and less NaNs)

---
 src/Math/Ray.hpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/Math/Ray.hpp')

diff --git a/src/Math/Ray.hpp b/src/Math/Ray.hpp
index db37ac2..4050a02 100644
--- a/src/Math/Ray.hpp
+++ b/src/Math/Ray.hpp
@@ -15,6 +15,8 @@ struct Ray {
     // [1]: https://gdbooks.gitbooks.io/3dcollisions/content/Chapter3/raycast_aabb.html
     // [2]: https://tavianator.com/2015/ray_box_nan.html
     RaycastResult cast(AABB box, Real max_distance = 0) const {
+        if (direction.is_zero()) return {};
+
         RaycastResult hit{ true };
 
         // `t` is the time at which the ray intersects a plane of the AABB.
-- 
cgit 1.4.1