69 lines
2.1 KiB
C#
69 lines
2.1 KiB
C#
using Components;
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using GeometryTD.Entity.EntityData;
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using UnityEngine;
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namespace GeometryTD.Entity
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{
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public class Enemy : EntityBase
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{
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private Transform _target;
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private float _speed;
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private MovementComponent _movementComponent;
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private float _attackRange = 1f;
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private float _attackRangeSquared;
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protected override void OnInit(object userData)
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{
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base.OnInit(userData);
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_movementComponent = GetComponent<MovementComponent>();
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}
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protected override void OnShow(object userData)
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{
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base.OnShow(userData);
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if (userData is EnemyData enemyData)
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{
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_speed = enemyData.Speed;
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_target = enemyData.Player;
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}
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_movementComponent.OnInit(_speed, this.CachedTransform);
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_movementComponent.SetMove(true);
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_attackRangeSquared = _attackRange * _attackRange;
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}
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protected override void OnUpdate(float elapseSeconds, float realElapseSeconds)
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{
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base.OnUpdate(elapseSeconds, realElapseSeconds);
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float distanceSquared = (this.CachedTransform.position - _target.position).sqrMagnitude;
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if (distanceSquared < _attackRangeSquared)
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{
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// 攻击
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_movementComponent.SetMove(false);
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}
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else
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{
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_movementComponent.SetMove(true);
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_movementComponent.SetDirection(GetTargetDirection());
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}
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_movementComponent.OnUpdate(elapseSeconds, realElapseSeconds);
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}
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protected override void OnHide(bool isShutdown, object userData)
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{
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_movementComponent.SetMove(false);
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base.OnHide(isShutdown, userData);
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}
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private Vector3 GetTargetDirection()
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{
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return new Vector3(_target.position.x - this.CachedTransform.position.x, 0f,
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_target.position.z - this.CachedTransform.position.z).normalized;
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}
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}
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} |