Three.js interaction - raycasting, controls, mouse/touch input, object selection. Use when handling user input, implementing click detection, adding camera controls, or creating interactive 3D experiences.

Three.js 交互功能——光线投射、控制、鼠标/触摸输入、对象选择。适用于处理用户输入、实现点击检测、添加相机控制或创建交互式三维体验。