using System;
|
using System.Collections.Generic;
|
using UnityEngine;
|
|
public class PenetrateBulletCurve : BulletCurve
|
{
|
private Vector2 start; // 子弹起点（本地坐标）
|
private Vector2 end; // 目标点（本地坐标）
|
private Vector2 outPos; // 屏幕外延长点（本地坐标）
|
private bool hitTriggered = false; // 是否已触发onHit
|
|
public PenetrateBulletCurve(BattleObject caster, SkillConfig skillConfig, BattleEffectPlayer effectPlayer, RectTransform target, List<HB427_tagSCUseSkill.tagSCUseSkillHurt> hurtList, int bulletIndex, Action<int, List<HB427_tagSCUseSkill.tagSCUseSkillHurt>> onHit)
|
: base(caster, skillConfig, effectPlayer, target, hurtList, bulletIndex, onHit) { }
|
|
/// <summary>
|
/// 初始化弹道参数
|
/// </summary>
|
public override void Reset()
|
{
|
base.Reset();
|
hitTriggered = false;
|
start = WorldToLocalAnchoredPosition(bulletTrans.position) + bulletOffset;
|
end = WorldToLocalAnchoredPosition(target.position);
|
duration = Vector2.Distance(start, end) / skillConfig.BulletFlySpeed;
|
Vector2 dir = (end - start).normalized;
|
float extend = 500f; // 贯穿距离，可根据需求调整
|
outPos = end + dir * extend;
|
}
|
|
/// <summary>
|
/// 每帧调用，驱动子弹移动和表现
|
/// </summary>
|
public override void Run()
|
{
|
if (finished) return;
|
elapsed += Time.deltaTime;
|
float t = Mathf.Clamp01(elapsed / duration);
|
|
// 贯穿分两段：0~0.5到目标点，0.5~1.0继续飞出
|
float mid = 0.5f;
|
Vector2 pos;
|
if (t < mid)
|
{
|
// 前半段：插值到目标点
|
pos = Vector2.Lerp(start, end, t / mid);
|
}
|
else
|
{
|
// 后半段：插值到屏幕外
|
pos = Vector2.Lerp(end, outPos, (t - mid) / (1f - mid));
|
// 到达目标点瞬间触发onHit，只触发一次
|
if (!hitTriggered)
|
{
|
hitTriggered = true;
|
onHit?.Invoke(mBulletIndex, hurts);
|
}
|
}
|
bulletTrans.anchoredPosition = pos;
|
|
// 旋转：始终朝向运动方向，子弹默认90°向上
|
Vector2 dir = (t < mid) ? (end - start) : (outPos - end);
|
float angle = Mathf.Atan2(dir.y, dir.x) * Mathf.Rad2Deg - 90f;
|
bulletTrans.localRotation = Quaternion.Euler(0, 0, angle);
|
|
// 到达终点，结束
|
if (t >= 1f)
|
{
|
finished = true;
|
}
|
}
|
}
|
