//页面缩放浏览器刷新事件
window.addEventListener("resize",()=> {
//更新摄像头
camera.aspect =window.innerWidth/window.innerHeight;
//更新摄像机的投影矩阵
camera.updateProjectionMatrix();
//更新渲染器
renderer.setSize(window.innerWidth,window.innerHeight);
//更新渲染器的像素比
renderer.setPixelRatio(window.devicePixelRatio)
})
//双击显示全屏或者退出全屏
window.addEventListener("dblclick",()=> {
const fullscreen = document.fullscreenElement;
if(!fullscreen){
renderer.domElement.requestFullscreen() //打开全屏
}else{
document.exitFullscreen();//退出全屏
}
})
