Method handleScenePointerDown

assets/main.js:1955–1959

(event)

  }

  handleScenePointerDown(event) {
    if (!event.isPrimary && event.isPrimary !== undefined) return;
    if (event.button !== 0) return;
    this.pointerDown = { x: event.clientX, y: event.clientY };
  }

  handleScenePointerUp(event) {
    if (!event.isPrimary && event.isPrimary !== undefined) return;