145 lines
4.1 KiB
C#
145 lines
4.1 KiB
C#
using System;
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using DragonLi.Core;
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using DragonLi.Frame;
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using UnityEngine;
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public class ShieldProjectile : MonoBehaviour
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{
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public enum State { Idle, FlyingOut, Grounded, Returning }
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[Header("配置参数")]
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public Transform playerTransform;
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public Transform bossHandTransform;
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public float flySpeed = 10f;
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public float groundY = 0.5f;
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public float stayDuration = 2f;
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private float hitRadius = 4f;
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public float damageAmount = 20f;
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private State currentState = State.Idle;
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private float stayTimer = 0f;
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private bool hasHitPlayerThisPhase = false;
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// —— 新增：飞行方向目标位置（固定） ——
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private Vector3 fixedTargetPosition;
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// 声明回调事件
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public event Action OnReturnComplete;
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public void Initialize(Transform player, Transform bossHand, float speed, float groundYPos, float stayTime, float radius, float dmg)
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{
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playerTransform = player;
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bossHandTransform = bossHand;
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flySpeed = speed;
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groundY = groundYPos;
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stayDuration = stayTime;
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hitRadius = radius;
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damageAmount = dmg;
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// 在发射瞬间记录玩家位置，后续“飞行”只对这个位置做插值
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fixedTargetPosition = playerTransform.position.ReflectVectorXOZ();
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currentState = State.FlyingOut;
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hasHitPlayerThisPhase = false;
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stayTimer = 0f;
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// 初始化位置为 Boss 手部
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transform.position = bossHandTransform.position;
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}
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private void Update()
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{
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switch (currentState)
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{
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case State.FlyingOut:
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FlyOut();
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break;
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case State.Grounded:
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HandleGrounded();
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break;
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case State.Returning:
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FlyBack();
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break;
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}
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}
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private void FlyOut()
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{
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// —— 修改：不再动态追踪 playerTransform.position，而是朝 fixedTargetPosition 飞 ——
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Vector3 dir = (fixedTargetPosition - transform.position).normalized;
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transform.position += dir * flySpeed * Time.deltaTime;
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// 距离检测仍用实时玩家位置
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if (!hasHitPlayerThisPhase)
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{
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float sqrDist = Vector3.Distance(transform.position,playerTransform.position);
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if (sqrDist <= hitRadius)
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{
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HitPlayer();
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hasHitPlayerThisPhase = true;
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}
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}
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// 到达或低于地面高度时，切入 Grounded
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if (transform.position.y <= groundY)
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{
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Vector3 pos = transform.position;
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pos.y = groundY;
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transform.position = pos;
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currentState = State.Grounded;
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hasHitPlayerThisPhase = false;
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stayTimer = 0f;
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}
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}
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private void HandleGrounded()
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{
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stayTimer += Time.deltaTime;
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if (!hasHitPlayerThisPhase)
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{
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float sqrDist = Vector3.Distance(transform.position,playerTransform.position);
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if (sqrDist <= hitRadius)
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{
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HitPlayer();
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hasHitPlayerThisPhase = true;
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}
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}
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if (stayTimer >= stayDuration)
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{
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currentState = State.Returning;
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hasHitPlayerThisPhase = false;
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}
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}
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private void FlyBack()
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{
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Vector3 dir = (bossHandTransform.position - transform.position).normalized;
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transform.position += dir * flySpeed * Time.deltaTime;
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if (!hasHitPlayerThisPhase)
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{
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float sqrDist = (transform.position - playerTransform.position).sqrMagnitude;
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if (sqrDist <= hitRadius * hitRadius)
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{
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HitPlayer();
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hasHitPlayerThisPhase = true;
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}
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}
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if ((transform.position - bossHandTransform.position).sqrMagnitude <= 0.01f)
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{
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OnReturnComplete?.Invoke();
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Destroy(gameObject);
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}
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}
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private void HitPlayer()
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{
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var ph = playerTransform.GetComponent<IDamagable>();
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if (ph != null)
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ph.ApplyDamage(damageAmount,null,transform);
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}
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}
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