41 lines
1.2 KiB
C#
41 lines
1.2 KiB
C#
using UnityEngine;
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namespace BaseGames.Combat
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{
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/// <summary>
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/// 追踪抛射物。初始以 Direction 发射后，每帧向目标转向，
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/// 转向力由 <see cref="ProjectileConfigSO.HomingStrength"/> 控制。
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/// </summary>
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public class HomingProjectile : Projectile
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{
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private Transform _target;
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/// <summary>注入追踪目标（由 ProjectileManager 在生成时调用）。</summary>
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public void SetTarget(Transform t) => _target = t;
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protected override void OnInitialized()
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{
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_rb.velocity = Direction * _config.Speed;
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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 (_target == null || _config == null) return;
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Vector2 toTarget = ((Vector2)_target.position - _rb.position).normalized;
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_rb.velocity += toTarget * (_config.HomingStrength * Time.deltaTime);
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float maxSpeed = _config.Speed * 1.5f;
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if (_rb.velocity.sqrMagnitude > maxSpeed * maxSpeed)
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_rb.velocity = _rb.velocity.normalized * maxSpeed;
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}
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protected override void OnDisable()
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{
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base.OnDisable();
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_target = null;
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}
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}
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}
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