71 lines
2.2 KiB
C#
71 lines
2.2 KiB
C#
using UnityEngine;
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using BaseGames.Combat;
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namespace BaseGames.Enemies
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{
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/// <summary>
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/// 飞行敌人。不依赖 PathBerserker2d 导航，直接通过 Rigidbody2D 向玩家移动。
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/// 接触玩家时造成伤害。
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/// </summary>
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public class FlyingEnemy : EnemyBase
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{
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[SerializeField] private float _chaseSpeed = 3f;
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[SerializeField] private DamageSourceSO _contactDamageSource;
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private Rigidbody2D _rb;
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protected override void Awake()
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{
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base.Awake();
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_rb = GetComponent<Rigidbody2D>();
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if (_rb != null)
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{
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_rb.gravityScale = 0f;
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_rb.constraints = RigidbodyConstraints2D.FreezeRotation;
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}
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}
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protected override void Update()
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{
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base.Update();
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if (_playerTransform == null || _rb == null) return;
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if (CurrentState == EnemyStateType.Dead ||
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CurrentState == EnemyStateType.Stagger) return;
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// 向玩家移动
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Vector2 targetPos = _playerTransform.position;
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Vector2 myPos = _rb.position;
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Vector2 newPos = Vector2.MoveTowards(myPos, targetPos, _chaseSpeed * Time.deltaTime);
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_rb.MovePosition(newPos);
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}
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public override void StopMovement()
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{
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if (_rb != null) _rb.velocity = Vector2.zero;
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}
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public override void MoveInDirection(float dir)
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{
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if (_rb != null) _rb.velocity = new Vector2(dir, 0f) * _chaseSpeed;
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}
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private void OnTriggerStay2D(Collider2D other)
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{
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if (_contactDamageSource == null) return;
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if (CurrentState == EnemyStateType.Dead) return;
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var hurtBox = other.GetComponent<HurtBox>();
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if (hurtBox == null) return;
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Vector2 knockDir = ((Vector2)other.bounds.center - _rb.position).normalized;
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var info = DamageInfo.From(
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_contactDamageSource,
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knockDir,
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transform.position,
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gameObject.layer);
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hurtBox.ReceiveDamage(info);
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}
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}
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}
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