111 lines
3.4 KiB
C#
111 lines
3.4 KiB
C#
using System;
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using System.Collections.Generic;
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using UnityEngine;
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namespace Ingvar.LiveWatch.TowerDefenceDemo
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{
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public class LaserTower : TowerBase
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{
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public override TowerType Type => TowerType.Laser;
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[SerializeField] private float _cooldown = 0.5f;
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[SerializeField] private int _damage = 5;
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[SerializeField] private float _radius = 4f;
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[SerializeField] private Transform _turretPivot;
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[SerializeField] private ParticleSystem _laserEffect;
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private LevelScene _levelScene;
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private bool _isActive;
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private float _lastFireTime;
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private float _lastTargetUpdateTime;
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private Vector2 ourPos => new Vector2(transform.position.x, transform.position.z);
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private MobMain _previousTarget;
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private const float targetFindCooldown = 0.05f;
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private const float rotationSpeed = 5;
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public override void Enable(LevelScene levelScene)
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{
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_isActive = true;
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_lastFireTime = Time.time;
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_levelScene = levelScene;
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}
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public override void Disable()
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{
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_isActive = false;
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}
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private void OnDrawGizmos()
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{
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Gizmos.DrawWireSphere(transform.position, _radius);
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}
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private void Update()
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{
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if (!_isActive)
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return;
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UpdateRotation();
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if (Time.time < _lastFireTime + _cooldown)
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return;
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_lastFireTime = Time.time;
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Fire();
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}
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private void UpdateRotation()
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{
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if (Time.time > _lastTargetUpdateTime + targetFindCooldown)
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_previousTarget = FindNearestTarget();
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if (_previousTarget == null || !_previousTarget.IsAlive)
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return;
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var targetDirection = _previousTarget.transform.position - _turretPivot.position;
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var directionNew = Vector3.Slerp(_turretPivot.forward, targetDirection, Time.unscaledDeltaTime * rotationSpeed);
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_turretPivot.forward = directionNew;
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}
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private MobMain FindNearestTarget()
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{
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MobMain targetMob = null;
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foreach (var mob in _levelScene.MobManager.Mobs)
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{
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var mobPos = new Vector2(mob.transform.position.x, mob.transform.position.z);
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var sqrDist = (mobPos - ourPos).sqrMagnitude;
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if (sqrDist > _radius * _radius)
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continue;
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if (targetMob == null || mob.WaypointMover.TravelledDist > targetMob.WaypointMover.TravelledDist)
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{
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targetMob = mob;
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}
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}
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return targetMob;
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}
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private void Fire()
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{
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var targetMob = FindNearestTarget();
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if (targetMob != null)
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{
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if (targetMob.Health.CurrentHealth <= _damage)
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Watch.Push("MobLog", $"{targetMob.Id} killed by {Id}")
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.SetSortOrder(TD_WatchSortOrder.MobLog)
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;
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_turretPivot.forward = targetMob.transform.position - _turretPivot.position;
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_laserEffect.transform.LookAt(targetMob.transform.position);
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_laserEffect.Play();
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targetMob.Health.TakeDamage(_damage);
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}
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}
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}
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} |