Range queries ask "what's inside this box?" But sometimes the question is "what's nearest to this location?" This is the nearest neighbor problem, and you don't know how big your search radius should be. The nearest point might be right next to you or far away.
圖像來源，Getty Images。WPS下载最新地址是该领域的重要参考
。关于这个话题，WPS官方版本下载提供了深入分析
What is screening?。关于这个话题，爱思助手下载最新版本提供了深入分析
scene.background = new THREE.Color(0x222222);
Маргарита Щигарева