obs-effects/coding-stream-overlay.html at main · w0rxbend/obs-effects · GitHub

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<!doctype html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <style>
      *,
      *::before,
      *::after {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
      }
      html,
      body {
        width: 1920px;
        height: 1080px;
        overflow: hidden;
        background: transparent;
        font-family: "Courier New", Courier, monospace;
      }

      /* ── corner brackets ─────────────────────────────────────── */
      .c {
        position: fixed;
        width: 30px;
        height: 30px;
      }
      .c::before,
      .c::after {
        content: "";
        position: absolute;
        background: rgba(0, 228, 166, 0.38);
      }
      .c::before {
        top: 0;
        left: 0;
        width: 100%;
        height: 1px;
      }
      .c::after {
        top: 0;
        left: 0;
        width: 1px;
        height: 100%;
      }
      .tl {
        top: 20px;
        left: 20px;
      }
      .tr {
        top: 20px;
        right: 20px;
        transform: scaleX(-1);
      }
      .bl {
        bottom: 20px;
        left: 20px;
        transform: scaleY(-1);
      }
      .br {
        bottom: 20px;
        right: 20px;
        transform: scale(-1, -1);
      }

      /* ── git / vcs panel (top-right) ────────────────────────── */
      #git {
        position: fixed;
        top: 20px;
        right: 58px;
        text-align: right;
      }
      .lbl {
        font-size: 8px;
        letter-spacing: 0.24em;
        color: rgba(0, 228, 166, 0.2);
        text-transform: uppercase;
        margin-bottom: 7px;
      }
      .gbr {
        font-size: 10px;
        color: rgba(0, 228, 166, 0.62);
        line-height: 1.65;
      }
      .gd {
        font-size: 9px;
        color: rgba(0, 228, 166, 0.26);
        line-height: 1.55;
      }
      .dot {
        display: inline-block;
        width: 4px;
        height: 4px;
        border-radius: 50%;
        background: rgba(0, 228, 166, 0.9);
        box-shadow: 0 0 5px rgba(0, 228, 166, 0.65);
        animation: bk 2.7s ease-in-out infinite;
      }
      @keyframes bk {
        0%,
        100% {
          opacity: 1;
        }
        50% {
          opacity: 0.22;
        }
      }

      /* ── telemetry (bottom-left) ─────────────────────────────── */
      #tel {
        position: fixed;
        bottom: 82px;
        left: 58px;
      }
      .row {
        display: flex;
        align-items: center;
        gap: 8px;
        margin-bottom: 6px;
      }
      .rn {
        width: 24px;
        font-size: 9px;
        color: rgba(0, 228, 166, 0.26);
      }
      .trk {
        width: 128px;
        height: 1px;
        background: rgba(0, 228, 166, 0.08);
      }
      .fil {
        height: 1px;
        background: rgba(0, 228, 166, 0.52);
        transition: width 0.9s cubic-bezier(0.4, 0, 0.2, 1);
        position: relative;
      }
      .fil::after {
        content: "";
        position: absolute;
        right: -1px;
        top: -2px;
        width: 1px;
        height: 5px;
        background: rgba(0, 228, 166, 0.92);
        box-shadow: 0 0 4px rgba(0, 228, 166, 0.8);
      }
      .rv {
        width: 28px;
        text-align: right;
        font-size: 10px;
        color: rgba(0, 228, 166, 0.52);
      }

      /* ── oscilloscope frame (bottom-right) ───────────────────── */
      #oscw {
        position: fixed;
        bottom: 82px;
        right: 58px;
      }
      #oscl {
        font-size: 8px;
        letter-spacing: 0.24em;
        color: rgba(0, 228, 166, 0.2);
        text-transform: uppercase;
        text-align: right;
        margin-bottom: 4px;
      }
      #osc {
        display: block;
        border: 1px solid rgba(0, 228, 166, 0.1);
        background: rgba(0, 228, 166, 0.014);
        will-change: transform;
      }
    </style>
  </head>
  <body>
    <!-- corner brackets -->
    <div class="c tl"></div>
    <div class="c tr"></div>
    <div class="c bl"></div>
    <div class="c br"></div>

    <!-- vcs panel -->
    <div id="git">
      <div class="lbl">vcs</div>
      <div class="gbr">
        <span class="dot"></span>&nbsp;<span id="gbr">main</span>
      </div>
      <div class="gd" id="ghash">a3f2c1b &middot; just now</div>
      <div class="gd" id="gstat">clean working tree</div>
    </div>

    <!-- telemetry -->
    <div id="tel">
      <div class="lbl" style="margin-bottom: 9px">sys &middot; telemetry</div>
      <div class="row">
        <span class="rn">CPU</span>
        <div class="trk">
          <div class="fil" id="cf" style="width: 0%; position: relative"></div>
        </div>
        <span class="rv" id="cv">--</span>
      </div>
      <div class="row">
        <span class="rn">RAM</span>
        <div class="trk">
          <div class="fil" id="mf" style="width: 0%; position: relative"></div>
        </div>
        <span class="rv" id="mv">--</span>
      </div>
      <div class="row">
        <span class="rn">NET</span>
        <div class="trk">
          <div class="fil" id="nf" style="width: 0%; position: relative"></div>
        </div>
        <span class="rv" id="nv">--</span>
      </div>
    </div>

    <!-- oscilloscope -->
    <div id="oscw">
      <div id="oscl">signal &middot; 60hz</div>
      <canvas id="osc" width="150" height="46"></canvas>
    </div>

    <!-- full-screen canvas: packet flow -->
    <canvas
      id="mc"
      width="1920"
      height="1080"
      style="
        position: fixed;
        top: 0;
        left: 0;
        pointer-events: none;
        will-change: transform;
      "
    ></canvas>

    <script>
      "use strict";

      // ── telemetry ──────────────────────────────────────────────────────────────
      const METS = [
        {
          f: document.getElementById("cf"),
          v: document.getElementById("cv"),
          cur: 42,
          tgt: 42,
        },
        {
          f: document.getElementById("mf"),
          v: document.getElementById("mv"),
          cur: 65,
          tgt: 65,
        },
        {
          f: document.getElementById("nf"),
          v: document.getElementById("nv"),
          cur: 28,
          tgt: 28,
        },
      ];

      function tickTel() {
        for (const m of METS) {
          m.tgt = Math.max(4, Math.min(93, m.tgt + (Math.random() - 0.49) * 9));
          m.cur += (m.tgt - m.cur) * 0.18;
          const p = Math.round(m.cur);
          m.f.style.width = p + "%";
          m.v.textContent = p + "%";
        }
      }
      setInterval(tickTel, 1100);
      tickTel();

      // ── git cycling ────────────────────────────────────────────────────────────
      const GITS = [
        ["main", "a3f2c1b", "clean working tree"],
        ["feature/overlay", "f4d8e22", "2 modified · 1 staged"],
        ["fix/latency", "c9a1b73", "1 modified"],
        ["feature/shaders", "e2f5a01", "4 modified · 2 staged"],
        ["dev", "b8c3d14", "clean working tree"],
      ];
      let gi = 0;

      function tickGit() {
        gi = (gi + 1) % GITS.length;
        const [br, h, st] = GITS[gi];
        document.getElementById("gbr").textContent = br;
        document.getElementById("ghash").textContent =
          h + " · " + (1 + Math.floor(Math.random() * 14)) + "m ago";
        document.getElementById("gstat").textContent = st;
      }
      setInterval(tickGit, 9300);

      // ── oscilloscope ───────────────────────────────────────────────────────────
      const oscEl = document.getElementById("osc");
      const oc = oscEl.getContext("2d");
      const OW = oscEl.width,
        OH = oscEl.height;
      let oscT = 0;

      function drawOsc() {
        oc.clearRect(0, 0, OW, OH);

        // grid
        oc.strokeStyle = "rgba(0,228,166,0.07)";
        oc.lineWidth = 1;
        for (let x = 0; x <= OW; x += OW / 4) {
          oc.beginPath();
          oc.moveTo(x + 0.5, 0);
          oc.lineTo(x + 0.5, OH);
          oc.stroke();
        }
        for (let y = 0; y <= OH; y += OH / 3) {
          oc.beginPath();
          oc.moveTo(0, y + 0.5);
          oc.lineTo(OW, y + 0.5);
          oc.stroke();
        }

        // waveform
        oc.strokeStyle = "rgba(0,228,166,0.82)";
        oc.lineWidth = 1;
        oc.shadowColor = "rgba(0,228,166,0.42)";
        oc.shadowBlur = 4;
        oc.beginPath();
        for (let px = 0; px <= OW; px++) {
          const t = (px / OW) * Math.PI * 4 + oscT;
          const n = Math.sin(t * 3.4 + 1.1) * 0.12 + Math.sin(t * 8.5) * 0.055;
          const y = OH / 2 + (Math.sin(t) + n) * (OH * 0.37);
          px === 0 ? oc.moveTo(px, y) : oc.lineTo(px, y);
        }
        oc.stroke();
        oc.shadowBlur = 0;
      }

      // ── packet flow ────────────────────────────────────────────────────────────
      const mc = document.getElementById("mc");
      const mctx = mc.getContext("2d");

      const FY = 1022; // sits above the bottom corners (bottom:20+30 = y≥1030)
      const FX0 = 58;
      const FX1 = 1862;

      const PKT_TYPES = [
        { col: "rgba(0,228,166,", sz: 4, spd: 2.6 },
        { col: "rgba(0,210,255,", sz: 3, spd: 3.5 },
        { col: "rgba(0,228,166,", sz: 2, spd: 2.1 },
        { col: "rgba(210,240,0,", sz: 3, spd: 4.1 },
      ];

      const pkts = [];
      let spawnT = 0;

      function spawnPkt() {
        const t = PKT_TYPES[Math.floor(Math.random() * PKT_TYPES.length)];
        pkts.push({ x: FX0, ...t, trail: [] });
      }

      function drawFlow() {
        mctx.clearRect(0, 0, 1920, 1080);

        // track
        mctx.strokeStyle = "rgba(0,228,166,0.07)";
        mctx.lineWidth = 1;
        mctx.setLineDash([3, 8]);
        mctx.beginPath();
        mctx.moveTo(FX0, FY);
        mctx.lineTo(FX1, FY);
        mctx.stroke();
        mctx.setLineDash([]);

        // labels
        mctx.font = '8px "Courier New"';
        mctx.fillStyle = "rgba(0,228,166,0.18)";
        mctx.textAlign = "left";
        mctx.fillText("PKT", FX0, FY - 5);
        mctx.textAlign = "right";
        mctx.fillText(pkts.length + " in-flight", FX1, FY - 5);
        mctx.textAlign = "left";

        // packets + trails
        for (let i = pkts.length - 1; i >= 0; i--) {
          const p = pkts[i];
          p.trail.unshift(p.x);
          if (p.trail.length > 10) p.trail.pop();
          p.x += p.spd;

          for (let j = 1; j < p.trail.length; j++) {
            const a = ((p.trail.length - j) / p.trail.length) * 0.26;
            const s = p.sz * ((p.trail.length - j) / p.trail.length) * 0.65;
            mctx.fillStyle = p.col + a + ")";
            mctx.fillRect(p.trail[j] - s / 2, FY - s / 2, s, s);
          }

          mctx.fillStyle = p.col + "0.8)";
          mctx.shadowColor = p.col + "0.55)";
          mctx.shadowBlur = 5;
          mctx.fillRect(p.x - p.sz / 2, FY - p.sz / 2, p.sz, p.sz);
          mctx.shadowBlur = 0;

          if (p.x > FX1 + 8) pkts.splice(i, 1);
        }
      }

      // ── main loop ──────────────────────────────────────────────────────────────
      let prev = 0;

      function loop(now) {
        const dt = Math.min((now - prev) * 0.001, 0.05);
        prev = now;

        spawnT -= dt;
        if (spawnT <= 0) {
          spawnPkt();
          spawnT = 0.22 + Math.random() * 0.52;
        }

        oscT += 0.038;
        drawOsc();
        drawFlow();

        requestAnimationFrame(loop);
      }

      requestAnimationFrame(loop);
    </script>
  </body>
</html>