ARCADE1/loading.html at main · jdunk4/ARCADE1 · GitHub

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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8"/>
<style>
* { margin:0; padding:0; box-sizing:border-box; }
body { background:#000011; overflow:hidden; width:512px; height:448px; }
canvas { display:block; image-rendering:pixelated; }
</style>
</head>
<body>
<canvas id="c" width="512" height="448"></canvas>
<script>
const c = document.getElementById('c');
const ctx = c.getContext('2d');
const W = 512, H = 448;

let frame = 0;

const MARIO = [
  [0,0,0,1,1,1,1,1,0,0,0,0],
  [0,0,1,1,1,1,1,1,1,1,1,0],
  [0,0,3,3,3,2,2,3,2,0,0,0],
  [0,3,2,3,2,2,2,3,2,2,2,0],
  [0,3,2,3,3,2,2,2,3,2,2,3],
  [0,3,3,2,2,2,2,3,3,3,3,0],
  [0,0,0,2,2,2,2,2,2,2,0,0],
  [0,0,1,1,4,1,1,1,0,0,0,0],
  [0,1,1,1,4,1,1,4,1,1,1,0],
  [1,1,1,1,4,4,4,4,1,1,1,1],
  [2,2,1,4,4,4,4,4,4,1,2,2],
  [2,2,2,4,4,0,0,4,4,2,2,2],
  [0,0,3,3,0,0,0,0,3,3,0,0],
  [0,3,3,3,0,0,0,0,3,3,3,0],
];

const MARIO_COLORS = ['rgba(0,0,0,0)','#e8000d','#ffaa77','#6b3a2a','#2244cc','#111111'];

const MARIO_RUN1 = [...MARIO,
  [3,3,3,0,0,0,0,0,0,3,3,3],
  [3,3,0,0,0,0,0,0,0,0,3,3],
];
const MARIO_RUN2 = [...MARIO,
  [0,3,3,3,0,0,0,0,3,3,3,0],
  [0,0,3,3,3,0,0,3,3,3,0,0],
];

function drawMario(x, y, scale, frame) {
  const sprite = (Math.floor(frame/8) % 2 === 0) ? MARIO_RUN1 : MARIO_RUN2;
  sprite.forEach((row, ri) => {
    row.forEach((col, ci) => {
      if(col === 0) return;
      ctx.fillStyle = MARIO_COLORS[col];
      ctx.fillRect(x + ci*scale, y + ri*scale, scale, scale);
    });
  });
}

function drawCoin(x, y, t) {
  const phase = Math.abs(Math.sin(t * 0.12));
  const w = Math.max(3, 14 * phase);
  ctx.fillStyle = '#ffcc00';
  ctx.fillRect(x - w/2, y - 10, w, 20);
  if(w > 7) {
    ctx.fillStyle = '#ffaa00';
    ctx.fillRect(x - w/2 + 2, y - 7, w - 4, 14);
  }
}

function drawMushroom(x, y, t) {
  const bob = Math.sin(t * 0.08 + x) * 3;
  ctx.fillStyle = '#e8000d';
  ctx.fillRect(x-10, y+bob-10, 20, 12);
  ctx.fillRect(x-14, y+bob-6, 28, 8);
  ctx.fillStyle = '#ffffff';
  ctx.fillRect(x-8, y+bob-9, 5, 5);
  ctx.fillRect(x+4, y+bob-9, 5, 5);
  ctx.fillRect(x-2, y+bob-12, 5, 4);
  ctx.fillStyle = '#ffddaa';
  ctx.fillRect(x-8, y+bob+2, 16, 10);
  ctx.fillStyle = '#000';
  ctx.fillRect(x-5, y+bob+4, 3, 3);
  ctx.fillRect(x+2, y+bob+4, 3, 3);
}

function drawStar(x, y, t) {
  const bob = Math.sin(t * 0.1 + x) * 2;
  ctx.fillStyle = '#ffcc00';
  const s = 4;
  ctx.fillRect(x, y+bob-3*s, s, s);
  ctx.fillRect(x-s, y+bob-2*s, 3*s, s);
  ctx.fillRect(x-2*s, y+bob-s, 5*s, 3*s);
  ctx.fillRect(x-s, y+bob+2*s, 3*s, s);
  ctx.fillRect(x, y+bob+3*s, s, s);
  ctx.fillStyle = '#fff7aa';
  ctx.fillRect(x, y+bob-s, s, 3*s);
}

function drawBlock(x, y) {
  ctx.fillStyle = '#cc8800';
  ctx.fillRect(x, y, 32, 32);
  ctx.fillStyle = '#ffaa00';
  ctx.fillRect(x+2, y+2, 28, 14);
  ctx.fillStyle = '#aa6600';
  ctx.fillRect(x+2, y+16, 28, 14);
  ctx.fillStyle = '#ffcc44';
  ctx.fillRect(x+4, y+4, 6, 6);
  ctx.fillRect(x+22, y+4, 6, 6);
  ctx.fillStyle = '#884400';
  ctx.fillRect(x, y+15, 32, 2);
  ctx.fillRect(x+15, y, 2, 32);
}

function drawGround(scrollX) {
  ctx.fillStyle = '#5c3d11';
  ctx.fillRect(0, H-40, W, 40);
  ctx.fillStyle = '#4a8f00';
  ctx.fillRect(0, H-44, W, 8);
  for(let x=(scrollX)%64; x<W+64; x+=64) {
    ctx.fillStyle = '#3a7a00';
    ctx.fillRect(x-32, H-48, 32, 6);
  }
  for(let x=(scrollX%32); x<W+32; x+=32) {
    ctx.strokeStyle = '#7a5020';
    ctx.lineWidth = 1;
    ctx.strokeRect(x-32, H-40, 32, 40);
  }
}

function drawPipe(x) {
  ctx.fillStyle = '#00aa00';
  ctx.fillRect(x, H-40-80, 40, 80);
  ctx.fillStyle = '#00cc00';
  ctx.fillRect(x+4, H-40-80, 32, 80);
  ctx.fillStyle = '#008800';
  ctx.fillRect(x+28, H-40-80, 12, 80);
  ctx.fillStyle = '#00aa00';
  ctx.fillRect(x-6, H-40-80, 52, 16);
  ctx.fillStyle = '#00cc00';
  ctx.fillRect(x-2, H-40-80, 44, 12);
}

function drawCloud(x, y) {
  ctx.fillStyle = '#ffffff';
  ctx.fillRect(x+10, y+10, 40, 20);
  ctx.fillRect(x, y+20, 60, 20);
  ctx.fillRect(x+5, y+5, 20, 20);
  ctx.fillRect(x+35, y+8, 18, 18);
}

function drawProgressBar(pct) {
  const bx = 40, by = H-72, bw = W-80, bh = 18;
  ctx.fillStyle = '#ffcc00';
  ctx.fillRect(bx-3, by-3, bw+6, bh+6);
  ctx.fillStyle = '#000011';
  ctx.fillRect(bx, by, bw, bh);
  const fillW = (bw * pct)|0;
  const grad = ['#e8000d','#ff6600','#ffcc00','#00cc44'];
  const seg = fillW / grad.length;
  for(let i=0; i<grad.length; i++) {
    const sx = bx + i*seg;
    const sw = Math.min(seg, fillW - i*seg);
    if(sw > 0) ctx.fillRect(sx|0, by, sw|0, bh);
    ctx.fillStyle = grad[i];
  }
  for(let i=0; i<Math.floor(fillW/8); i++) {
    if(i%2===0) {
      ctx.fillStyle = 'rgba(255,255,255,0.12)';
      ctx.fillRect(bx + i*8, by, 8, 6);
    }
  }
}

let marioX = 40;
let scrollX = 0;
let barPct = 0;

function draw() {
  frame++;
  const t = frame;

  ctx.fillStyle = '#5c94fc';
  ctx.fillRect(0, 0, W, H);

  const cx = scrollX * 0.3;
  drawCloud(((120 - cx) % (W+80) + W+80) % (W+80) - 80, 40);
  drawCloud(((300 - cx) % (W+80) + W+80) % (W+80) - 80, 20);
  drawCloud(((500 - cx) % (W+80) + W+80) % (W+80) - 80, 55);

  const blockX = ((200 - scrollX) % (W+100) + W+100) % (W+100) - 100;
  drawBlock(blockX, H-40-80);
  drawBlock(blockX+36, H-40-80);
  drawBlock(blockX+72, H-40-80);
  drawBlock(((380-scrollX) % (W+100) + W+100) % (W+100) - 100, H-40-140);

  drawPipe(((420 - scrollX) % (W+80) + W+80) % (W+80) - 80);
  drawGround(scrollX);

  scrollX += 2;
  marioX += 2;
  if(marioX > W + 50) marioX = -50;
  drawMario(marioX, H-40-112, 4, t);

  drawCoin(130, H-40-110, t);
  drawCoin(340, H-40-110, t+20);
  drawCoin(490, H-40-110, t+40);
  drawMushroom(220, H-40-120, t);
  drawStar(420, H-40-130, t);

  ctx.fillStyle = 'rgba(0,0,17,0.75)';
  ctx.fillRect(0, 0, W, 120);

  ctx.font = 'bold 28px monospace';
  ctx.textAlign = 'center';
  ctx.textBaseline = 'middle';
  ctx.fillStyle = '#440000';
  ctx.fillText('NOW LOADING', W/2+2, 42);
  ctx.fillStyle = '#e8000d';
  ctx.fillText('NOW LOADING', W/2, 40);

  const dots = ['   ','.  ','.. ','...'][(Math.floor(t/15)) % 4];
  ctx.font = 'bold 22px monospace';
  ctx.fillStyle = '#ffcc00';
  ctx.fillText(dots, W/2+60, 40);

  ctx.font = '14px monospace';
  ctx.fillStyle = '#aaccff';
  ctx.fillText('PLEASE WAIT WHILE YOUR GAME BOOTS UP', W/2, 70);

  if(Math.floor(t/25) % 2 === 0) {
    ctx.font = 'bold 13px monospace';
    ctx.fillStyle = '#00ff44';
    ctx.fillText('— INSERT COIN —', W/2, 95);
  }

  // Bar slowly fills over ~30 seconds (600 frames at 20fps)
  barPct = Math.min(0.95, barPct + 0.0016);
  drawProgressBar(barPct);

  ctx.font = 'bold 13px monospace';
  ctx.textAlign = 'center';
  ctx.fillStyle = '#ffffff';
  ctx.fillText(Math.floor(barPct * 100) + '%', W/2, H-46);

  ctx.fillStyle = 'rgba(0,0,0,0.07)';
  for(let y=0;y<H;y+=3) ctx.fillRect(0,y,W,1);
}

// ── KEY FIX: use setInterval instead of requestAnimationFrame ──
// requestAnimationFrame pauses in background tabs — setInterval does not
setInterval(draw, 50); // 20fps
</script>
</body>
</html>