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atomic.studio/s/3722
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<!doctype html><html lang="ja"><head><meta charset="utf-8"> <meta name="viewport" content="width=device-width,initial-scale=1"><title>ブロックくずし</title> <style> html,body{margin:0;height:100%;background:#0e1525;color:#f5f9fc;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif} .wrap{min-height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:16px;box-sizing:border-box} h1{font-size:18px;margin:0;font-weight:700} .hud{font-size:14px;color:#9da9bd} .hint{font-size:12px;color:#6b7689} canvas{background:var(--bg,#11131f);border-radius:14px;box-shadow:0 12px 48px #0008;max-width:96vw;height:auto;touch-action:none} .btn{background:#6366f1;color:#fff;border:0;border-radius:10px;padding:8px 16px;font-size:14px;font-weight:600;cursor:pointer} #board{display:grid;gap:6px} .cell{display:flex;align-items:center;justify-content:center;border-radius:8px;font-weight:700;user-select:none;cursor:pointer} </style></head><body><div class="wrap"> <h1 id="title">ブロックくずし</h1><div class="hud" id="hud">スコア <span id="sc">0</span></div> <canvas id="cv" width="420" height="460"></canvas> <div class="hint" id="hint">← → / ドラッグ でパドル移動</div><button class="btn" id="restart">もう一度</button> </div> <script id="game-data" type="application/json">{"title": "ブロックくずし", "bg": "#0b1020", "ball": "#f43f5e", "paddle": "#60a5fa", "brick": "#34d399", "rows": 4, "cols": 7}</script> <script> const DATA=JSON.parse(document.getElementById('game-data').textContent); document.getElementById('title').textContent=DATA.title||document.title; if(DATA.bg)document.documentElement.style.setProperty('--bg',DATA.bg); const cv=document.getElementById('cv'),x=cv.getContext('2d'); let px,bx,by,vx,vy,bricks,sc,alive; function reset(){px=cv.width/2-40;bx=cv.width/2;by=cv.height-40;vx=3;vy=-3;sc=0;alive=1; bricks=[];const bw=cv.width/DATA.cols;for(let r=0;r<DATA.rows;r++)for(let c=0;c<DATA.cols;c++)bricks.push({x:c*bw+2,y:40+r*24,w:bw-4,h:20,on:1}); document.getElementById('sc').textContent=0;} function step(){if(!alive)return;bx+=vx;by+=vy; if(bx<6||bx>cv.width-6)vx*=-1;if(by<6)vy*=-1; if(by>cv.height-26&&by<cv.height-16&&bx>px&&bx<px+80){vy=-Math.abs(vy);vx+=((bx-(px+40))/40)*2;} if(by>cv.height){alive=0;} bricks.forEach(b=>{if(b.on&&bx>b.x&&bx<b.x+b.w&&by>b.y&&by<b.y+b.h){b.on=0;vy*=-1;sc+=10;document.getElementById('sc').textContent=sc;}}); if(bricks.every(b=>!b.on)){alive=2;}} function draw(){x.fillStyle=DATA.bg;x.fillRect(0,0,cv.width,cv.height); x.fillStyle=DATA.brick;bricks.forEach(b=>b.on&&x.fillRect(b.x,b.y,b.w,b.h)); x.fillStyle=DATA.paddle;x.fillRect(px,cv.height-20,80,12); x.fillStyle=DATA.ball;x.beginPath();x.arc(bx,by,6,0,7);x.fill(); if(alive!==1){x.fillStyle='#fff';x.font='24px sans-serif';x.textAlign='center';x.fillText(alive===2?'CLEAR!':'GAME OVER',cv.width/2,cv.height/2);}} function loop(){step();draw();requestAnimationFrame(loop);} function move(dx){px=Math.max(0,Math.min(cv.width-80,px+dx));} window.addEventListener('keydown',e=>{if(e.key==='ArrowLeft')move(-24);if(e.key==='ArrowRight')move(24);}); cv.addEventListener('pointermove',e=>{const r=cv.getBoundingClientRect();px=Math.max(0,Math.min(cv.width-80,(e.clientX-r.left)*(cv.width/r.width)-40));}); document.getElementById('restart').onclick=reset;reset();requestAnimationFrame(loop); window.__state=()=>({sc,alive,bx,by,left:bricks.filter(b=>b.on).length});window.__input=()=>{move(20);step();step();step();}; </script></body></html>
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