threejs-viewer-21

// 修改 PropertyPanel.js
init() {
  // ... other code snippet
  const closeButton = document.createElement('div');
  closeButton.classList.add('property-panel-close-button');
  container.appendChild(closeButton);
  closeButton.addEventListener('click', e => {
    e.preventDefault();
    this.setVisible(false);
  });
  this.closeButton = closeButton;

  // ... other code snippet
  this.setVisible(false);
}
// ... other code snippet
setVisible(isVisible) {
  if (isVisible) {
    this.container.style.display = 'block';
  } else {
    this.container.style.display = 'none';
  }
}

isVisible() {
  return this.container.style.display === 'block';
}

// 修改 Viewer.js
onMouseClicked( event ) {

    // ... other code snippets

    if(!this.propertyPanel.isVisible()) {
      this.propertyPanel.setVisible(true);
    }
}