Don't clamp movement along Y axis

client/src/camera.rs

@@ -157,9 +157,11 @@ pub fn noclip_controller(
         if key_input.pressed(noclip.key_back   ) { movement.z -= 1.0; }
         if key_input.pressed(noclip.key_right  ) { movement.x += 1.0; }
         if key_input.pressed(noclip.key_left   ) { movement.x -= 1.0; }
+        movement = movement.clamp_length_max(1.0);
+        // Movement along the Y (up/down) axis shouldn't be clamped.
         if key_input.pressed(noclip.key_up  ) { movement.y += 1.0; }
         if key_input.pressed(noclip.key_down) { movement.y -= 1.0; }
-        movement.clamp_length_max(1.0) * noclip.speed
+        movement * noclip.speed
     };
 
     if movement != Vec3::ZERO {