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钢琴Boss大激光：线从半圆底部开始，不重叠

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JOJO 2026-08-06 14:56:37 +08:00
parent a206565ac1
commit 2d26af9958
1 changed files with 3 additions and 3 deletions
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6
star-raid/js/render.js
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@ -224,16 +224,16 @@ function drawBossFx(){
ctx.beginPath();ctx.moveTo(bm.x1,bm.y1);ctx.lineTo(bm.x2,bm.y2);ctx.stroke();ctx.globalAlpha=1;}} ctx.beginPath();ctx.moveTo(bm.x1,bm.y1);ctx.lineTo(bm.x2,bm.y2);ctx.stroke();ctx.globalAlpha=1;}}
else{ctx.globalCompositeOperation="lighter"; else{ctx.globalCompositeOperation="lighter";
ctx.globalAlpha=clamp(bm.life/10,0,1)*0.85; 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，圆心在炮口下方pR处，最高点=炮口，和激光一起出现 // 大激光起点扩口半圆：直径=线宽，最高点=炮口，线从半圆底部开始向下延伸，不重叠
if(bm.dmg>=90000){const pR=bm.w*0.5; if(bm.dmg>=90000){const pR=bm.w*0.5;
ctx.fillStyle=bm.col; ctx.fillStyle=bm.col;
ctx.beginPath();ctx.arc(bm.x1,bm.y1+pR,pR,Math.PI,0);ctx.fill(); 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.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.beginPath();ctx.arc(bm.x1,bm.y1+pR,pR,Math.PI,0);ctx.stroke();}
ctx.strokeStyle=bm.col;ctx.lineWidth=bm.w; 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.beginPath();ctx.moveTo(bm.x1,bm.y1+bm.w);ctx.lineTo(bm.x2,bm.y2);ctx.stroke();
ctx.strokeStyle="#fff";ctx.lineWidth=Math.max(1,bm.w/3); ctx.strokeStyle="#fff";ctx.lineWidth=Math.max(1,bm.w/3);
ctx.beginPath();ctx.moveTo(bm.x1,bm.y1);ctx.lineTo(bm.x2,bm.y2);ctx.stroke(); ctx.beginPath();ctx.moveTo(bm.x1,bm.y1+bm.w);ctx.lineTo(bm.x2,bm.y2);ctx.stroke();
ctx.globalAlpha=1;ctx.globalCompositeOperation="source-over";} ctx.globalAlpha=1;ctx.globalCompositeOperation="source-over";}
} }
} }