maint: added livewatch asset

Assets/Plugins/LiveWatchLite/TowerDefenceDemo/Scripts/Tower/ShockwaveTower.cs

@@ -0,0 +1,81 @@
+using System;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace Ingvar.LiveWatch.TowerDefenceDemo
+{
+    public class ShockwaveTower : TowerBase
+    {
+        public override TowerType Type => TowerType.Shockwave;
+
+        [SerializeField] private float _cooldown = 1f;
+        [SerializeField] private int _damage = 20;
+        [SerializeField] private float _radius = 3f;
+        [SerializeField] private ParticleSystem _waveEffect;
+
+        private LevelScene _levelScene;
+        private bool _isActive;
+        private float _lastFireTime;
+        private Vector2 ourPos => new Vector2(transform.position.x, transform.position.z);
+        private List<MobMain> _pendingDamageMobs = new();
+
+        public override void Enable(LevelScene levelScene)
+        {
+            _isActive = true;
+            _lastFireTime = Time.time;
+            _levelScene = levelScene;
+        }
+
+        public override void Disable()
+        {
+            _isActive = false;
+        }
+
+        private void OnDrawGizmos()
+        {
+            Gizmos.DrawWireSphere(transform.position, _radius);
+        }
+
+        private void Update()
+        {
+            if (!_isActive)
+                return;
+            
+            if (Time.time < _lastFireTime + _cooldown)
+                return;
+            
+            _lastFireTime = Time.time;
+            Fire();
+        }
+
+        private void Fire()
+        {
+            _pendingDamageMobs.Clear();
+            
+            foreach (var mob in _levelScene.MobManager.Mobs)
+            {
+                var mobPos = new Vector2(mob.transform.position.x, mob.transform.position.z);
+                var sqrDist = (mobPos - ourPos).sqrMagnitude;
+                
+                if (sqrDist > _radius * _radius)
+                    continue;
+                
+                _pendingDamageMobs.Add(mob);
+            }
+
+            foreach (var mob in _pendingDamageMobs)
+            {
+                if (mob.Health.CurrentHealth <= _damage)
+                {
+                    Watch.Push("MobLog", $"{mob.Id} killed by {Id}")
+                        .SetSortOrder(TD_WatchSortOrder.MobLog)
+;
+                }
+
+                mob.Health.TakeDamage(_damage);
+            }
+            
+            _waveEffect.Play();
+        }
+    }
+}