Function loop

components/plasma.tsx:197–215

(t: number)

    let raf = 0;
    const t0 = performance.now();
    const loop = (t: number) => {
      const timeValue = (t - t0) * 0.001;
      if (direction === "pingpong") {
        const pingpongDuration = 10;
        const segmentTime = timeValue % pingpongDuration;
        const isForward = Math.floor(timeValue / pingpongDuration) % 2 === 0;
        const u = segmentTime / pingpongDuration;
        const smooth = u * u * (3 - 2 * u);
        const pingpongTime = isForward
          ? smooth * pingpongDuration
          : (1 - smooth) * pingpongDuration;
        uDirectionUniform.value = 1.0;
        iTimeUniform.value = pingpongTime;
      } else {
        iTimeUniform.value = timeValue;
      }
      renderer.render({ scene: mesh });
      raf = requestAnimationFrame(loop);
    };
    raf = requestAnimationFrame(loop);

    return () => {