NeuralArcade/snake.html at main · deoxyforge/NeuralArcade · GitHub

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<!-- Snake with human mode + AI demo (BFS pathfinding) -->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8"/>
<title>Neural Snake</title>
<script>
// Initialize navigation FIRST before anything else
let ipc = null;
try {
  ipc = require('electron').ipcRenderer;
  console.log('[Navigation] IPC loaded successfully');
} catch(e) {
  console.log('[Navigation] Running in non-Electron environment');
}

window.goHome = function() {
  console.log('[Navigation] goHome() called. IPC available:', !!ipc);
  if (ipc) {
    console.log('[Navigation] Sending navigate-to message');
    ipc.send('navigate-to', 'index.html');
  } else {
    console.log('[Navigation] Using fallback window.location');
    window.location.href = 'index.html';
  }
};

// ESC key to go home
document.addEventListener('keydown', function(e) {
  if (e.key === 'Escape') {
    console.log('[Navigation] ESC key pressed - going home');
    window.goHome();
  }
});
</script>
<link href="https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Rajdhani:wght@300;400;600&display=swap" rel="stylesheet">
<script src="navigate.js"></script>
<style>
:root{--bg:#080810;--surface:#0e0e1a;--panel:#13131f;--border:#1e1e35;--cyan:#00f5ff;--green:#00ff88;--mag:#ff00aa;--text:#e0e0ff;--dim:#6060a0;}
*{margin:0;padding:0;box-sizing:border-box;}
body{background:var(--bg);color:var(--text);font-family:'Rajdhani',sans-serif;height:100vh;overflow:hidden;display:flex;flex-direction:column;}
body::before{content:'';position:fixed;inset:0;pointer-events:none;z-index:9999;background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,0,0,0.03) 2px,rgba(0,0,0,0.03) 4px);}
.topbar{height:44px;background:rgba(8,8,16,0.97);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 20px;gap:16px;flex-shrink:0;}
.back-btn{font-family:'Orbitron',sans-serif;font-size:10px;letter-spacing:2px;color:var(--green);border:1px solid var(--green);padding:5px 14px;cursor:pointer;background:transparent;text-transform:uppercase;transition:all 0.2s;}
.back-btn:hover{background:var(--green);color:var(--bg);}
.topbar-title{font-family:'Orbitron',sans-serif;font-size:13px;letter-spacing:4px;color:var(--green);}
.main{flex:1;display:flex;overflow:hidden;}
.side-panel{width:200px;background:var(--panel);border-right:1px solid var(--border);padding:20px;display:flex;flex-direction:column;gap:16px;flex-shrink:0;}
.right-side{width:200px;background:var(--panel);border-left:1px solid var(--border);padding:20px;display:flex;flex-direction:column;gap:16px;flex-shrink:0;}
.panel-title{font-family:'Orbitron',sans-serif;font-size:9px;letter-spacing:3px;color:var(--dim);text-transform:uppercase;margin-bottom:8px;}
.stat-big{font-family:'Orbitron',sans-serif;font-size:28px;color:var(--green);}
.stat-label{font-size:10px;color:var(--dim);letter-spacing:2px;text-transform:uppercase;}
.mode-btn{width:100%;padding:10px;background:transparent;border:1px solid var(--border);color:var(--dim);font-family:'Rajdhani',sans-serif;font-size:12px;letter-spacing:2px;cursor:pointer;text-transform:uppercase;transition:all 0.2s;margin-bottom:6px;}
.mode-btn:hover,.mode-btn.active{border-color:var(--green);color:var(--green);background:rgba(0,255,136,0.05);}
.speed-btn{width:100%;padding:8px;background:transparent;border:1px solid var(--border);color:var(--dim);font-family:'Rajdhani',sans-serif;font-size:11px;letter-spacing:2px;cursor:pointer;text-transform:uppercase;transition:all 0.2s;margin-bottom:4px;}
.speed-btn:hover,.speed-btn.active{border-color:var(--cyan);color:var(--cyan);}
.section{border-top:1px solid var(--border);padding-top:16px;}
.key-hint{display:flex;gap:8px;align-items:center;font-size:11px;color:var(--dim);margin:4px 0;}
.key{border:1px solid var(--border);padding:2px 7px;font-size:10px;color:var(--text);font-family:'Orbitron',sans-serif;border-radius:2px;}
.board-area{flex:1;display:flex;align-items:center;justify-content:center;background:var(--bg);}
canvas{border:1px solid var(--border);box-shadow:0 0 40px rgba(0,255,136,0.1);}
.game-over-overlay{display:none;position:fixed;inset:0;background:rgba(8,8,16,0.92);z-index:100;align-items:center;justify-content:center;flex-direction:column;gap:20px;}
.game-over-overlay.show{display:flex;}
.go-title{font-family:'Orbitron',sans-serif;font-size:36px;font-weight:900;letter-spacing:8px;color:var(--green);text-shadow:0 0 40px rgba(0,255,136,0.7);}
.go-sub{font-size:15px;letter-spacing:4px;color:var(--dim);}
.go-score{font-family:'Orbitron',sans-serif;font-size:22px;color:var(--cyan);}
.go-btn{font-family:'Orbitron',sans-serif;font-size:11px;letter-spacing:3px;padding:12px 28px;border:1px solid var(--green);color:var(--green);background:transparent;cursor:pointer;text-transform:uppercase;transition:all 0.2s;}
.go-btn:hover{background:var(--green);color:var(--bg);}
</style>
</head>
<body>
<div class="topbar">
  <button class="back-btn" onclick="window.goHome()">← Hub</button>
  <div class="topbar-title">🐍 NEURAL SNAKE</div>
</div>
<div class="main">
  <div class="side-panel">
    <div>
      <div class="panel-title">Score</div>
      <div class="stat-big" id="scoreDisp">0</div>
      <div class="stat-label">Current</div>
    </div>
    <div class="section">
      <div class="panel-title">High Score</div>
      <div class="stat-big" id="hiScore">0</div>
      <div class="stat-label">Best</div>
    </div>
    <div class="section">
      <div class="panel-title">Mode</div>
      <button class="mode-btn active" id="btn-human" onclick="setMode('human')">Human</button>
      <button class="mode-btn" id="btn-ai" onclick="setMode('ai')">AI Demo</button>
    </div>
    <div class="section">
      <div class="panel-title">Speed</div>
      <button class="speed-btn" id="sp-slow" onclick="setSpeed(200)">Slow</button>
      <button class="speed-btn active" id="sp-med" onclick="setSpeed(120)">Normal</button>
      <button class="speed-btn" id="sp-fast" onclick="setSpeed(60)">Fast</button>
    </div>
  </div>
  <div class="board-area">
    <canvas id="c" width="560" height="560"></canvas>
  </div>
  <div class="right-side">
    <div>
      <div class="panel-title">Controls</div>
      <div class="key-hint"><div class="key">W</div> Up</div>
      <div class="key-hint"><div class="key">A</div> Left</div>
      <div class="key-hint"><div class="key">S</div> Down</div>
      <div class="key-hint"><div class="key">D</div> Right</div>
      <div class="key-hint"><div class="key">↑↓←→</div> Arrow Keys</div>
    </div>
    <div class="section">
      <div class="panel-title">Controls</div>
      <div class="key-hint"><div class="key">P</div> Pause</div>
      <div class="key-hint"><div class="key">R</div> Restart</div>
    </div>
    <div class="section">
      <div class="panel-title">AI Info</div>
      <div style="font-size:11px;color:var(--dim);line-height:1.7;">Greedy pathfinding: AI finds the shortest path to food using BFS, with flood-fill safety checks to avoid trapping itself.</div>
    </div>
    <div class="section">
      <div class="panel-title">Length</div>
      <div class="stat-big" id="lenDisp">3</div>
      <div class="stat-label">Snake Length</div>
    </div>
  </div>
</div>
<div class="game-over-overlay" id="gameOverOverlay">
  <div class="go-title">GAME OVER</div>
  <div class="go-score" id="goScore">Score: 0</div>
  <div class="go-sub" id="goSub">Press R or click to restart</div>
  <button class="go-btn" onclick="restart()">Restart</button>
  <button class="go-btn" onclick="window.goHome()">Game Hub</button>
</div>
<script>
const canvas=document.getElementById('c');
const ctx=canvas.getContext('2d');
const GRID=28, CELL=20;
let snake,dir,food,score,hiScore,interval,paused,mode,gameRunning,speed;
hiScore=parseInt(localStorage.getItem('snakeHi')||'0');
document.getElementById('hiScore').textContent=hiScore;

function setMode(m){
  mode=m;
  document.getElementById('btn-human').classList.toggle('active',m==='human');
  document.getElementById('btn-ai').classList.toggle('active',m==='ai');
  restart();
}
function setSpeed(s){
  speed=s;
  ['slow','med','fast'].forEach(x=>document.getElementById('sp-'+x).classList.remove('active'));
  const map={200:'slow',120:'med',60:'fast'};
  document.getElementById('sp-'+map[s]).classList.add('active');
  if(gameRunning&&!paused){clearInterval(interval);interval=setInterval(tick,speed);}
}
mode='human';speed=120;

function restart(){
  clearInterval(interval);
  snake=[{x:14,y:14},{x:13,y:14},{x:12,y:14}];
  dir={x:1,y:0};score=0;paused=false;gameRunning=true;
  document.getElementById('gameOverOverlay').classList.remove('show');
  placeFood();draw();
  interval=setInterval(tick,speed);
}

function placeFood(){
  do{food={x:Math.floor(Math.random()*GRID),y:Math.floor(Math.random()*GRID)};}
  while(snake.some(s=>s.x===food.x&&s.y===food.y));
}

function tick(){
  if(paused||!gameRunning) return;
  if(mode==='ai') aiStep();
  const head={x:snake[0].x+dir.x,y:snake[0].y+dir.y};
  if(head.x<0||head.x>=GRID||head.y<0||head.y>=GRID||snake.some(s=>s.x===head.x&&s.y===head.y)){
    gameOver();return;
  }
  snake.unshift(head);
  if(head.x===food.x&&head.y===food.y){
    score++;
    document.getElementById('scoreDisp').textContent=score;
    document.getElementById('lenDisp').textContent=snake.length;
    if(score>hiScore){hiScore=score;localStorage.setItem('snakeHi',hiScore);document.getElementById('hiScore').textContent=hiScore;}
    placeFood();
  } else {
    snake.pop();
  }
  draw();
}

// BFS pathfinding for AI
function bfs(start,target,snakeBody){
  const visited=new Set();
  const queue=[[start,[]]];
  while(queue.length){
    const [pos,path]=queue.shift();
    const key=pos.x+','+pos.y;
    if(visited.has(key)) continue;
    visited.add(key);
    if(pos.x===target.x&&pos.y===target.y) return path;
    for(const d of [{x:0,y:-1},{x:0,y:1},{x:-1,y:0},{x:1,y:0}]){
      const nx={x:pos.x+d.x,y:pos.y+d.y};
      const nkey=nx.x+','+nx.y;
      if(nx.x<0||nx.x>=GRID||nx.y<0||nx.y>=GRID) continue;
      if(snakeBody.some(s=>s.x===nx.x&&s.y===nx.y)) continue;
      if(!visited.has(nkey)) queue.push([nx,[...path,d]]);
    }
  }
  return null;
}
function floodFill(start,snakeBody){
  const visited=new Set();const queue=[start];
  while(queue.length){
    const pos=queue.shift();const key=pos.x+','+pos.y;
    if(visited.has(key)) continue;
    visited.add(key);
    for(const d of [{x:0,y:-1},{x:0,y:1},{x:-1,y:0},{x:1,y:0}]){
      const nx={x:pos.x+d.x,y:pos.y+d.y};
      if(nx.x<0||nx.x>=GRID||nx.y<0||nx.y>=GRID) continue;
      if(snakeBody.some(s=>s.x===nx.x&&s.y===nx.y)) continue;
      if(!visited.has(nx.x+','+nx.y)) queue.push(nx);
    }
  }
  return visited.size;
}

function aiStep(){
  const head=snake[0];
  const path=bfs(head,food,snake.slice(0,-1));
  if(path&&path.length>0){
    const d=path[0];
    // Safety check: simulate move and flood fill
    const newHead={x:head.x+d.x,y:head.y+d.y};
    const simSnake=[newHead,...snake.slice(0,-1)];
    const space=floodFill(newHead,simSnake.slice(1));
    if(space>snake.length/2){
      dir=d;return;
    }
  }
  // Fallback: pick safest direction
  const options=[{x:0,y:-1},{x:0,y:1},{x:-1,y:0},{x:1,y:0}]
    .filter(d=>!(d.x===-dir.x&&d.y===-dir.y))
    .filter(d=>{
      const n={x:head.x+d.x,y:head.y+d.y};
      return n.x>=0&&n.x<GRID&&n.y>=0&&n.y<GRID&&!snake.some(s=>s.x===n.x&&s.y===n.y);
    })
    .sort((a,b)=>{
      const na={x:head.x+a.x,y:head.y+a.y},nb={x:head.x+b.x,y:head.y+b.y};
      return floodFill(nb,snake.slice(0,-1))-floodFill(na,snake.slice(0,-1));
    });
  if(options.length) dir=options[0];
}

function draw(){
  ctx.fillStyle='#080810';ctx.fillRect(0,0,canvas.width,canvas.height);
  // Grid
  ctx.strokeStyle='rgba(30,30,53,0.5)';ctx.lineWidth=0.5;
  for(let i=0;i<=GRID;i++){
    ctx.beginPath();ctx.moveTo(i*CELL,0);ctx.lineTo(i*CELL,canvas.height);ctx.stroke();
    ctx.beginPath();ctx.moveTo(0,i*CELL);ctx.lineTo(canvas.width,i*CELL);ctx.stroke();
  }
  // Snake
  snake.forEach((s,i)=>{
    const t=1-i/snake.length;
    ctx.fillStyle=`rgba(0,${Math.floor(200+55*t)},${Math.floor(100+88*t)},${0.7+0.3*t})`;
    ctx.shadowColor='#00ff88';ctx.shadowBlur=i===0?16:4;
    ctx.fillRect(s.x*CELL+1,s.y*CELL+1,CELL-2,CELL-2);
  });
  ctx.shadowBlur=0;
  // Food
  ctx.fillStyle='#ff00aa';ctx.shadowColor='#ff00aa';ctx.shadowBlur=20;
  ctx.beginPath();ctx.arc(food.x*CELL+CELL/2,food.y*CELL+CELL/2,CELL/2-2,0,Math.PI*2);ctx.fill();
  ctx.shadowBlur=0;
  // AI label
  if(mode==='ai'){
    ctx.fillStyle='rgba(0,245,255,0.6)';ctx.font='10px Orbitron';
    ctx.fillText('AI MODE',8,16);
  }
}

function gameOver(){
  gameRunning=false;clearInterval(interval);
  document.getElementById('gameOverOverlay').classList.add('show');
  document.getElementById('goScore').textContent='Score: '+score+' | Length: '+snake.length;
  const s=JSON.parse(localStorage.getItem('neuralArcadeStats')||'{"played":0,"wins":0}');
  s.played++;localStorage.setItem('neuralArcadeStats',JSON.stringify(s));
}

document.addEventListener('keydown',e=>{
  if(e.key==='r'||e.key==='R'){restart();return;}
  if(e.key==='p'||e.key==='P'){paused=!paused;return;}
  const map={'ArrowUp':{x:0,y:-1},'ArrowDown':{x:0,y:1},'ArrowLeft':{x:-1,y:0},'ArrowRight':{x:1,y:0},'w':{x:0,y:-1},'s':{x:0,y:1},'a':{x:-1,y:0},'d':{x:1,y:0},'W':{x:0,y:-1},'S':{x:0,y:1},'A':{x:-1,y:0},'D':{x:1,y:0}};
  const d=map[e.key];
  if(d&&mode==='human'&&!(d.x===-dir.x&&d.y===-dir.y)){dir=d;e.preventDefault();}
});

restart();
</script>
</body>
</html>