From 2b192b65aa44d9c8d85c630e826da27fcfa0a253 Mon Sep 17 00:00:00 2001
From: JOJO <1498581755@qq.com>
Date: Thu, 6 Aug 2026 16:46:14 +0800
Subject: [PATCH] =?UTF-8?q?Boss=E9=80=9A=E7=94=A8=E7=A7=BB=E5=8A=A8?=
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- 原到达判定|dx|<1导致减速到接近0再重启=视觉顿挫
- 改为剩8px即换向:速度连续反向过渡不过零停顿,过冲由边界内缩6px吸收
- 模拟:低速连帧从20~40降到3~5,0越界,中线规则保持
---
 star-raid/js/enemies.js | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/star-raid/js/enemies.js b/star-raid/js/enemies.js
index fd3eca0..8aae376 100644
--- a/star-raid/js/enemies.js
+++ b/star-raid/js/enemies.js
@@ -315,20 +315,19 @@ function updateBoss(){
   else if(b.idx===6){const usp=b.phase>=1?0.028:0.008,amp=b.phase>=1?70:44;
     b.x=clamp(b.x+amp*usp*Math.cos(b.mt*usp),30,W-30);   // 速度积分定位：换阶段参数突变也不瞬移
     b.yA=(b.yA||8)+((b.phase>=1?12:8)-(b.yA||8))*0.05;b.y=b.ty+Math.sin(b.mt*0.011)*b.yA;}   // 夺权者X：P1巨大笨重→P2紧凑灵活
-  else{   // 通用游走：中线分界——左侧只向右/右侧只向左，目标始终在中线另一侧；速度积分带加速度与惯性；边界防撞
+  else{   // 通用游走：中线分界——左侧只向右/右侧只向左，目标始终在中线另一侧；速度积分带加速度与惯性；提前换向消除端点停顿
     const r0=(def.rr&&def.rr[0])||def.r||20,mgn=12+(def.wide?6:0);
-    const minX=mgn+r0,maxX=W-mgn-r0;
+    const minX=mgn+r0+6,maxX=W-mgn-r0-6;   // 内缩6px:为换向过冲留余量
     if(typeof b.tx!=="number"){b.vx=0;const L=def.wide?rndi(35,80):rndi(50,105);b.tx=clamp(b.x<W/2?W/2+L:W/2-L,minX,maxX);}   // 首帧：目标在中线另一侧
     const dx=b.tx-b.x;
-    if(Math.abs(dx)<1){b.x=b.tx;b.vx=0;   // 到达：下一目标在中线另一侧，方向自然反转
+    if(Math.abs(dx)<=8){   // 提前换向：剩一小段距离即转向，速度连续反向过渡（不过零停顿、不归零重启）
       const L=def.wide?rndi(35,80):rndi(50,105);
       b.tx=clamp(b.x<W/2?W/2+L:W/2-L,minX,maxX);}
     else{
       const maxSpd=def.wide?1.0:1.4,inertia=def.wide?0.06:0.07;
       const targetV=Math.sign(dx)*Math.min(maxSpd,Math.sqrt(Math.abs(dx))*0.16);   // 距目标越近目标速度越小→自然加减速
       b.vx+=(targetV-b.vx)*inertia;   // 速度缓动=加速度/惯性
-      b.x+=b.vx;
-      if((dx>0&&b.x>b.tx)||(dx<0&&b.x<b.tx))b.x=b.tx;}   // 防过冲截断
+      b.x+=b.vx;}
     b.y=b.ty+Math.sin(b.mt*0.011)*(def.wide?8:12);}   // 上下浮动保留（钢琴站桩除外）
   b.mt++;
   const fm=b.fireM*(1+0.22*b.phase);