From e2d70147e5ae2a7168c8d7765e1fbbe75c8af5c0 Mon Sep 17 00:00:00 2001
From: JOJO <1498581755@qq.com>
Date: Thu, 6 Aug 2026 16:44:06 +0800
Subject: [PATCH] =?UTF-8?q?Boss=E7=A7=BB=E5=8A=A8:=E4=B8=AD=E7=BA=BF?=
 =?UTF-8?q?=E5=88=86=E7=95=8C+=E5=8A=A0=E9=80=9F=E5=BA=A6=E6=83=AF?=
 =?UTF-8?q?=E6=80=A7+=E7=AA=81=E5=87=BB=E5=B9=85=E5=BA=A6=E5=BE=AE?=
 =?UTF-8?q?=E5=8F=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- 通用8Boss:以屏幕中线为界,左侧只向右/右侧只向左,目标始终在中线另一侧(方向自然交替)
- 速度积分:目标速度随距离变化(sqrt映射)+速度缓动惯性=起步加速/接近减速,峰值1.4(普通)/1.0(宽体)
- 暗黑突击:移动风格不变(sin/速度积分波形),幅度每1.6~3.3秒微调±12(48~74)并缓动防瞬移
- 模拟3万帧:换向时中线规则100%成立,0越界,加减速帧均衡
---
 star-raid/js/enemies.js | 28 ++++++++++++++++++----------
 1 file changed, 18 insertions(+), 10 deletions(-)

diff --git a/star-raid/js/enemies.js b/star-raid/js/enemies.js
index 61a6a7e..fd3eca0 100644
--- a/star-raid/js/enemies.js
+++ b/star-raid/js/enemies.js
@@ -306,21 +306,29 @@ function updateBoss(){
   }
   // —— 常规移动 ——
   if(def.static){b.x+=(W/2-b.x)*0.05;b.y+=(52-b.y)*0.02;}
-  else if(b.idx===3){   // 暗黑突击：小体型高机动；三阶段更快+上下范围更大+惯性更小（速度积分，转折锐利）
-    if(b.phase>=2){b.x=clamp(b.x+62*0.052*Math.cos(b.mt*0.052),26,W-26);b.y=b.ty+Math.sin(b.mt*0.03)*27;}
-    else{b.x=W/2+Math.sin(b.mt*0.034)*62;b.y=b.ty+Math.sin(b.mt*0.021)*18;}}
+  else if(b.idx===3){   // 暗黑突击：移动风格不变（速度积分波形），幅度每1.6~3.3秒微调±12（48~74）
+    if(typeof b.ampX!=="number"){b.ampX=62;b.ampTarget=62;b.ampT=rndi(100,200);}
+    if(b.ampT<=0){b.ampT=rndi(100,200);b.ampTarget=clamp(b.ampTarget+rndi(-12,12),48,74);}
+    b.ampT--;b.ampX+=(b.ampTarget-b.ampX)*0.02;   // 幅度缓动，防参数突变瞬移
+    if(b.phase>=2){b.x=clamp(b.x+b.ampX*0.052*Math.cos(b.mt*0.052),26,W-26);b.y=b.ty+Math.sin(b.mt*0.03)*27;}
+    else{b.x=W/2+Math.sin(b.mt*0.034)*b.ampX;b.y=b.ty+Math.sin(b.mt*0.021)*18;}}
   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：随机长度左右往返（方向交替），边界按判定半径计算不撞边
+  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
     const r0=(def.rr&&def.rr[0])||def.r||20,mgn=12+(def.wide?6:0);
     const minX=mgn+r0,maxX=W-mgn-r0;
-    if(typeof b.tx!=="number")b.tx=clamp(b.x,minX,maxX);   // 落地后首帧初始化
-    const dx=b.tx-b.x,spd=def.wide?0.8:1.05;
-    if(Math.abs(dx)<=spd){b.x=b.tx;   // 到达：换方向，每趟长度随机（长度不够空间时自动收敛到边界内）
-      const dir=dx>=0?-1:1,len=def.wide?rndi(35,80):rndi(50,105);
-      b.tx=clamp(b.x+dir*len,minX,maxX);}
-    else b.x+=Math.sign(dx)*spd;
+    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
+      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.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);