fix npc aiming and shooting

crates/shared/src/aim/mod.rs

@@ -146,7 +146,7 @@ fn update_npc_aim(
         let mut target_distance = f32::MAX;
 
         for (e, t) in potential_targets.iter() {
-            let delta = pos - t.translation;
+            let delta = t.translation - pos;
 
             let distance = delta.length();