Method constructor

assets/main.js:1790–1809

()

class FpsMonitor {
  constructor() {
    this.frameCount = 0;
    this.accumulatedTime = 0;
    this.lastTimestamp = 0;
    this.lastFrameTimestamp = 0;
    this.currentFps = null;

    this.root = document.createElement("div");
    this.root.className = "fps-overlay";

    this.valueElement = document.createElement("span");
    this.valueElement.className = "fps-overlay__value";
    this.valueElement.textContent = "— fps";

    this.root.appendChild(this.valueElement);
    document.body.appendChild(this.root);
    this.refreshDisplay = this.refreshDisplay.bind(this);
    this.displayTimer = window.setInterval(this.refreshDisplay, 250);
    this.refreshDisplay();
  }

  update(time) {
    if (!Number.isFinite(time)) return;