Remove overzealous ground-snapping

src/control/character_controller.rs

@@ -193,7 +193,7 @@ impl KinematicCharacterController {
 
         let mut translation_remaining = desired_translation;
 
-        self.detect_grounded_status_and_apply_friction(
+        let grounded_at_starting_pos = self.detect_grounded_status_and_apply_friction(
             dt,
             bodies,
             colliders,
@@ -294,8 +294,8 @@ impl KinematicCharacterController {
                 break;
             }
         }
-
-        // If needed, snap to the ground.
+        // If needed, and if we are not already grounded, snap to the ground.
+        if grounded_at_starting_pos {
             self.snap_to_ground(
                 bodies,
                 colliders,
@@ -306,6 +306,7 @@ impl KinematicCharacterController {
                 filter,
                 &mut result,
             );
+        }
 
         // Return the result.
         result