From fa2be3fc9c4b646756d5cf7eb5b00a906d9b2362 Mon Sep 17 00:00:00 2001
From: Linentio <96549149+Linentio@users.noreply.github.com>
Date: Sat, 30 Sep 2023 12:37:45 +0200
Subject: [PATCH 1/2] Use the absolute value of the up attribute when
 calculating up_extent

---
 src/control/character_controller.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/control/character_controller.rs b/src/control/character_controller.rs
index 8f9ef2612..3a8aa40cf 100644
--- a/src/control/character_controller.rs
+++ b/src/control/character_controller.rs
@@ -521,7 +521,7 @@ impl KinematicCharacterController {
 
     fn compute_dims(&self, character_shape: &dyn Shape) -> Vector2<Real> {
         let extents = character_shape.compute_local_aabb().extents();
-        let up_extent = extents.dot(&self.up);
+        let up_extent = extents.dot(&self.up.abs());
         let side_extent = (extents - *self.up * up_extent).norm();
         Vector2::new(side_extent, up_extent)
     }
@@ -679,7 +679,7 @@ impl KinematicCharacterController {
         filter: QueryFilter,
     ) {
         let extents = character_shape.compute_local_aabb().extents();
-        let up_extent = extents.dot(&self.up);
+        let up_extent = extents.dot(&self.up.abs());
         let movement_to_transfer =
             *collision.toi.normal1 * collision.translation_remaining.dot(&collision.toi.normal1);
         let prediction = self.predict_ground(up_extent);

From 6c901d57742205de0ebe191cd2c1acd94532f2d9 Mon Sep 17 00:00:00 2001
From: Linentio <96549149+Linentio@users.noreply.github.com>
Date: Sat, 30 Sep 2023 13:27:50 +0200
Subject: [PATCH 2/2] Use the absolute value of the up attribute when
 calculating side_extent

---
 src/control/character_controller.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/control/character_controller.rs b/src/control/character_controller.rs
index 3a8aa40cf..ca088b280 100644
--- a/src/control/character_controller.rs
+++ b/src/control/character_controller.rs
@@ -522,7 +522,7 @@ impl KinematicCharacterController {
     fn compute_dims(&self, character_shape: &dyn Shape) -> Vector2<Real> {
         let extents = character_shape.compute_local_aabb().extents();
         let up_extent = extents.dot(&self.up.abs());
-        let side_extent = (extents - *self.up * up_extent).norm();
+        let side_extent = (extents - (*self.up).abs() * up_extent).norm();
         Vector2::new(side_extent, up_extent)
     }