From a206565ac1745f25bae0bc7900ba3fd15d7ff4e3 Mon Sep 17 00:00:00 2001
From: JOJO <1498581755@qq.com>
Date: Thu, 6 Aug 2026 14:54:28 +0800
Subject: [PATCH] =?UTF-8?q?=E9=92=A2=E7=90=B4Boss=E5=A4=A7=E6=BF=80?=
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- 圆心从(bm.x1,bm.y1)改为(bm.x1,bm.y1+pR)，半圆最高点正好在炮口位置
- 删除(1-life/dur0)单独动画，半圆是激光本体一部分，和激光一起出现一起消失
- 删除dur0字段依赖
---
 star-raid/js/render.js | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/star-raid/js/render.js b/star-raid/js/render.js
index f8c1b64..9bb6f47 100644
--- a/star-raid/js/render.js
+++ b/star-raid/js/render.js
@@ -224,12 +224,12 @@ function drawBossFx(){
       ctx.beginPath();ctx.moveTo(bm.x1,bm.y1);ctx.lineTo(bm.x2,bm.y2);ctx.stroke();ctx.globalAlpha=1;}}
     else{ctx.globalCompositeOperation="lighter";
       ctx.globalAlpha=clamp(bm.life/10,0,1)*0.85;
-      // 大激光起点扩口半圆（直径=激光宽度，半圆顶部向上凸起覆盖矩形上边）
-      if(bm.dmg>=90000){const pR=Math.min(bm.w*0.5,bm.w*0.5*(1-bm.life/(bm.dur0||1))+1);
-        if(pR>1){ctx.fillStyle=bm.col;
-          ctx.beginPath();ctx.arc(bm.x1,bm.y1,pR,Math.PI,0);ctx.fill();
-          ctx.strokeStyle="#fff";ctx.lineWidth=Math.max(1,pR/3);
-          ctx.beginPath();ctx.arc(bm.x1,bm.y1,pR,Math.PI,0);ctx.stroke();}}
+      // 大激光起点扩口半圆：直径=激光宽度，圆心在炮口下方pR处，最高点=炮口，和激光一起出现
+      if(bm.dmg>=90000){const pR=bm.w*0.5;
+        ctx.fillStyle=bm.col;
+        ctx.beginPath();ctx.arc(bm.x1,bm.y1+pR,pR,Math.PI,0);ctx.fill();
+        ctx.strokeStyle="#fff";ctx.lineWidth=Math.max(1,pR/3);
+        ctx.beginPath();ctx.arc(bm.x1,bm.y1+pR,pR,Math.PI,0);ctx.stroke();}
       ctx.strokeStyle=bm.col;ctx.lineWidth=bm.w;
       ctx.beginPath();ctx.moveTo(bm.x1,bm.y1);ctx.lineTo(bm.x2,bm.y2);ctx.stroke();
       ctx.strokeStyle="#fff";ctx.lineWidth=Math.max(1,bm.w/3);