SkillIssue/icon-sphere.html at main · PrishaJain64/SkillIssue · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>3D Icon Sphere</title>
  <style>
    @import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;600&display=swap');

    * { margin: 0; padding: 0; box-sizing: border-box; }

    body {
      background: #050505;
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
      font-family: 'Space Grotesk', sans-serif;
      cursor: grab;
      user-select: none;
    }

    body:active { cursor: grabbing; }

    .sphere-container {
      position: relative;
      width: 1100px;
      height: 1100px;
      perspective: 1400px;
    }

    .sphere-glow {
      position: absolute;
      inset: 50%;
      width: 340px;
      height: 340px;
      transform: translate(-50%, -50%);
      border-radius: 50%;
      background: radial-gradient(circle, rgba(255,255,255,0.03) 0%, transparent 70%);
      pointer-events: none;
      z-index: 0;
    }

    .icon-node {
      position: absolute;
      width: 240px;
      height: 240px;
      left: 50%;
      top: 50%;
      transform-origin: center center;
      will-change: transform, opacity, filter;
      transition: none;
      pointer-events: auto;
      border-radius: 14px;
      overflow: visible;
    }

    .icon-node svg {
      width: 100%;
      height: 100%;
      display: block;
      pointer-events: none;
    }

    .icon-node:hover {
      filter: drop-shadow(0 0 16px rgba(255,255,255,0.5)) !important;
    }

    /* Hover tooltip */
    .icon-tooltip {
      position: fixed;
      pointer-events: none;
      z-index: 10000;
      padding: 10px 22px;
      background: rgba(255,255,255,0.07);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid rgba(255,255,255,0.12);
      border-radius: 12px;
      color: #fff;
      font-family: 'Space Grotesk', sans-serif;
      font-size: 28px;
      font-weight: 600;
      letter-spacing: 0.6px;
      text-transform: capitalize;
      white-space: nowrap;
      opacity: 0;
      transform: translateX(-50%) translateY(4px);
      transition: opacity 0.2s ease, transform 0.2s ease;
    }
    .icon-tooltip.visible {
      opacity: 1;
      transform: translateX(-50%) translateY(0);
    }
    .icon-tooltip::before {
      content: '';
      position: absolute;
      top: -5px;
      left: 50%;
      transform: translateX(-50%) rotate(45deg);
      width: 10px;
      height: 10px;
      background: rgba(255,255,255,0.07);
      border-left: 1px solid rgba(255,255,255,0.12);
      border-top: 1px solid rgba(255,255,255,0.12);
    }

    /* Subtle ambient grain overlay */
    .grain {
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: 999;
      opacity: 0.035;
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
      background-size: 128px;
    }

    .hint {
      position: fixed;
      bottom: 32px;
      left: 50%;
      transform: translateX(-50%);
      color: rgba(255,255,255,0.2);
      font-size: 13px;
      letter-spacing: 0.5px;
      pointer-events: none;
      animation: fadeHint 3s ease-in-out forwards;
    }

    @keyframes fadeHint {
      0%   { opacity: 0; transform: translateX(-50%) translateY(8px); }
      15%  { opacity: 1; transform: translateX(-50%) translateY(0); }
      80%  { opacity: 1; }
      100% { opacity: 0; }
    }
  </style>
</head>
<body>

  <div class="sphere-container" id="sphere"></div>
  <div class="icon-tooltip" id="tooltip"></div>
  <div class="grain"></div>
  <div class="hint">click & drag to spin</div>

  <script>
    const ICONS = [
      'amp.svg', 'antigravity.svg', 'claude-code.svg', 'clawdbot.svg',
      'cline.svg', 'codex.svg', 'copilot.svg', 'cursor.svg',
      'droid.svg', 'gemini.svg', 'goose.svg', 'kilo.svg',
      'kiro-cli.svg', 'opencode.svg', 'roo.svg', 'trae.svg',
      'vscode.svg', 'windsurf.svg'
    ];

    const container = document.getElementById('sphere');
    const tooltip = document.getElementById('tooltip');
    const RADIUS = 420;
    const ICON_SIZE = 240;
    const FOV = 1400;
    const DEPTH_OPACITY_MIN = 0.07;
    const DEPTH_OPACITY_MAX = 1.0;
    const DEPTH_SCALE_MIN = 0.4;
    const DEPTH_SCALE_MAX = 1.1;
    const FRICTION = 0.97;
    const SENSITIVITY = 0.004;
    // Earth-like: strong rightward Y rotation + slight downward X tilt
    const AUTO_SPEED_Y = 0.006;   // rightward spin (main axis)
    const AUTO_SPEED_X = 0.0015;  // slight diagonal tilt

    // State
    let angleX = 0;
    let angleY = 0;
    let velocityX = 0;
    let velocityY = 0;
    let isUserDriven = false; // true when momentum from drag is still active
    let isDragging = false;
    let lastMouseX = 0;
    let lastMouseY = 0;
    let lastDragTime = 0;
    let dragVelX = 0;
    let dragVelY = 0;

    // Fibonacci sphere distribution
    function fibonacciSphere(n) {
      const points = [];
      const goldenAngle = Math.PI * (3 - Math.sqrt(5));
      for (let i = 0; i < n; i++) {
        const y = 1 - (i / (n - 1)) * 2;
        const radiusAtY = Math.sqrt(1 - y * y);
        const theta = goldenAngle * i;
        points.push({
          x: Math.cos(theta) * radiusAtY,
          y: y,
          z: Math.sin(theta) * radiusAtY
        });
      }
      return points;
    }

    const points = fibonacciSphere(ICONS.length);
    const nodes = [];

    // Process a data-URL image: make near-black pixels transparent
    function removeBlackFromImage(dataUrl) {
      return new Promise((resolve) => {
        const img = new Image();
        img.onload = () => {
          const canvas = document.createElement('canvas');
          canvas.width = img.width;
          canvas.height = img.height;
          const ctx = canvas.getContext('2d');
          ctx.drawImage(img, 0, 0);
          const imageData = ctx.getImageData(0, 0, canvas.width, canvas.height);
          const d = imageData.data;
          for (let i = 0; i < d.length; i += 4) {
            const brightness = (d[i] + d[i + 1] + d[i + 2]) / 3;
            if (brightness < 35) {
              d[i + 3] = 0; // fully transparent
            } else if (brightness < 70) {
              d[i + 3] = Math.round(((brightness - 35) / 35) * d[i + 3]);
            }
          }
          ctx.putImageData(imageData, 0, 0);
          resolve(canvas.toDataURL('image/png'));
        };
        img.src = dataUrl;
      });
    }

    // Fetch SVGs, strip black background, inline them
    async function loadIcons() {
      for (let i = 0; i < ICONS.length; i++) {
        const icon = ICONS[i];
        try {
          const resp = await fetch(`public/svgs/${icon}`);
          const svgText = await resp.text();

          // Parse the SVG and remove the black background rect/path
          const parser = new DOMParser();
          const doc = parser.parseFromString(svgText, 'image/svg+xml');
          const svg = doc.querySelector('svg');

          // Remove any path or rect that is the black background fill
          svg.querySelectorAll('path, rect').forEach(el => {
            const fill = (el.getAttribute('fill') || '').toLowerCase().trim();
            const d = el.getAttribute('d') || '';
            const isBlackFill = fill === '#000' || fill === '#000000' || fill === 'black';
            if (!isBlackFill) return;

            // Match <path d="m0 0h100v100h-100z" fill="#000"/>
            const isBlackBgPath = /^m0\s*0h\d+v\d+h-?\d+z$/i.test(d.replace(/\s/g, ''));

            // Match <rect width="100" height="100" fill="black"/> (with or without x/y)
            const isBlackBgRect = el.tagName.toLowerCase() === 'rect' &&
              (!el.getAttribute('x') || el.getAttribute('x') === '0') &&
              (!el.getAttribute('y') || el.getAttribute('y') === '0');

            // Fallback: path with full-size viewport hints
            const isBlackFillFullSize = d.includes('h100') && d.includes('v100');

            if (isBlackBgPath || isBlackBgRect || isBlackFillFullSize) {
              el.remove();
            }
          });

          // Process embedded raster images (e.g. vscode.svg has a base64 PNG)
          const embeddedImages = svg.querySelectorAll('image');
          for (const img of embeddedImages) {
            const href = img.getAttribute('xlink:href') || img.getAttribute('href');
            if (href && href.startsWith('data:image')) {
              const cleaned = await removeBlackFromImage(href);
              if (img.hasAttribute('xlink:href')) {
                img.setAttribute('xlink:href', cleaned);
              } else {
                img.setAttribute('href', cleaned);
              }
            }
          }

          const el = document.createElement('div');
          el.className = 'icon-node';
          el.dataset.name = icon.replace('.svg', '').replace(/-/g, ' ');
          el.appendChild(svg);
          container.appendChild(el);
          nodes.push({ el, point: { ...points[i] } });

          // Hover tooltip
          el.addEventListener('mouseenter', (e) => {
            tooltip.textContent = el.dataset.name;
            tooltip.classList.add('visible');
          });
          el.addEventListener('mousemove', (e) => {
            const rect = el.getBoundingClientRect();
            tooltip.style.left = (rect.left + rect.width / 2) + 'px';
            tooltip.style.top = (rect.bottom - 8) + 'px';
          });
          el.addEventListener('mouseleave', () => {
            tooltip.classList.remove('visible');
          });
        } catch (err) {
          console.warn(`Failed to load ${icon}:`, err);
        }
      }
    }

    let nodesReady = loadIcons();

    // Rotation matrices
    function rotateX(p, angle) {
      const cos = Math.cos(angle), sin = Math.sin(angle);
      return {
        x: p.x,
        y: p.y * cos - p.z * sin,
        z: p.y * sin + p.z * cos
      };
    }

    function rotateY(p, angle) {
      const cos = Math.cos(angle), sin = Math.sin(angle);
      return {
        x: p.x * cos + p.z * sin,
        y: p.y,
        z: -p.x * sin + p.z * cos
      };
    }

    function render() {
      const items = [];

      nodes.forEach(({ el, point }, i) => {
        // Apply rotation
        let p = rotateX(point, angleX);
        p = rotateY(p, angleY);

        // Perspective projection
        const z = p.z * RADIUS;
        const scale3d = FOV / (FOV + z);
        const projX = p.x * RADIUS * scale3d;
        const projY = p.y * RADIUS * scale3d;

        // Depth factor: -1 (back) to 1 (front)
        const depthNorm = (p.z + 1) / 2; // 0 = back, 1 = front

        const opacity = DEPTH_OPACITY_MIN + depthNorm * (DEPTH_OPACITY_MAX - DEPTH_OPACITY_MIN);
        const scale = DEPTH_SCALE_MIN + depthNorm * (DEPTH_SCALE_MAX - DEPTH_SCALE_MIN);

        items.push({ el, projX, projY, z: p.z, opacity, scale, scale3d });
      });

      // Sort by z for proper z-index
      items.sort((a, b) => a.z - b.z);

      items.forEach(({ el, projX, projY, z, opacity, scale, scale3d }, idx) => {
        const tx = projX - ICON_SIZE / 2;
        const ty = projY - ICON_SIZE / 2;
        el.style.transform = `translate(${tx}px, ${ty}px) scale(${scale * scale3d})`;
        el.style.opacity = opacity;
        el.style.zIndex = idx + 1;
        el.style.filter = `brightness(${0.5 + opacity * 0.6})`;
      });
    }

    function animate() {
      if (!isDragging) {
        if (isUserDriven) {
          // Apply drag momentum with friction
          angleY += velocityY;
          angleX += velocityX;
          velocityX *= FRICTION;
          velocityY *= FRICTION;

          // Once momentum dies, return to auto-rotation
          const speed = Math.abs(velocityX) + Math.abs(velocityY);
          if (speed < 0.0005) {
            isUserDriven = false;
          }
        } else {
          // Continuous earth-like rotation: diagonal right
          angleY += AUTO_SPEED_Y;
          angleX += AUTO_SPEED_X;
        }
      }

      render();
      requestAnimationFrame(animate);
    }

    // --- Mouse / Touch interaction ---
    function onPointerDown(e) {
      isDragging = true;
      lastMouseX = e.clientX || e.touches?.[0]?.clientX || 0;
      lastMouseY = e.clientY || e.touches?.[0]?.clientY || 0;
      lastDragTime = performance.now();
      dragVelX = 0;
      dragVelY = 0;
    }

    function onPointerMove(e) {
      if (!isDragging) return;
      const x = e.clientX || e.touches?.[0]?.clientX || 0;
      const y = e.clientY || e.touches?.[0]?.clientY || 0;
      const dx = x - lastMouseX;
      const dy = y - lastMouseY;
      const now = performance.now();
      const dt = Math.max(now - lastDragTime, 1);

      angleY += dx * SENSITIVITY;
      angleX += dy * SENSITIVITY;

      // Track velocity for momentum
      dragVelY = (dx * SENSITIVITY) / (dt / 16);
      dragVelX = (dy * SENSITIVITY) / (dt / 16);

      lastMouseX = x;
      lastMouseY = y;
      lastDragTime = now;
    }

    function onPointerUp() {
      if (!isDragging) return;
      isDragging = false;
      // Apply momentum from drag
      velocityY = dragVelY;
      velocityX = dragVelX;
      isUserDriven = true;
    }

    // Mouse events
    document.addEventListener('mousedown', onPointerDown);
    document.addEventListener('mousemove', onPointerMove);
    document.addEventListener('mouseup', onPointerUp);
    document.addEventListener('mouseleave', onPointerUp);

    // Touch events
    document.addEventListener('touchstart', (e) => { e.preventDefault(); onPointerDown(e); }, { passive: false });
    document.addEventListener('touchmove', (e) => { e.preventDefault(); onPointerMove(e); }, { passive: false });
    document.addEventListener('touchend', onPointerUp);
    document.addEventListener('touchcancel', onPointerUp);

    // Start after icons are loaded
    nodesReady.then(() => animate());
  </script>
</body>
</html>