added headshots and enemy's shooting

Assets/Scripts/WeaponBob.cs

@@ -37,13 +37,15 @@ public class WeaponBob : MonoBehaviour
             bobTimer += Time.deltaTime * bobFrequency * multiplier;
 
             float bobX = Mathf.Sin(bobTimer) * bobHorizontalAmplitude * multiplier;
-            float bobY = Mathf.Sin(bobTimer * 2f) * bobVerticalAmplitude * multiplier;
+            // Abs(Sin) means the weapon bounces UP on every step (left and right)
+            // instead of looping in a circle/figure-8
+            float bobY = Mathf.Abs(Mathf.Sin(bobTimer)) * bobVerticalAmplitude * multiplier;
 
             transform.localPosition = originalLocalPos + new Vector3(bobX, bobY, 0f);
         }
         else
         {
-            bobTimer = 0f;
+            // Don't reset bobTimer so the phase doesn't snap when you start moving again
             transform.localPosition = Vector3.Lerp(
                 transform.localPosition,
                 originalLocalPos,