* Deletes the current depth texture. * * @private

* Get squared distance from this point to another point

* Get the world AABB of the ray.

* Get the contact material between materials m1 and m2 * @return The contact material if it was found.

* 初始化绘图处理器 * 创建并配置用于处理鼠标交互事件的处理器 * @param {Function} clickHandler - 鼠标左键点击事件处理函数 * @param {Function} moveHandler - 鼠标移动事件处理函数 * @param {Function}

* Performs initialization tasks. * * @param {WebGLRenderer} renderer - A renderer. * @param {Boolean} alpha - Whether the renderer uses the a

* Do itersection against all bodies in the given World. * @return True if the ray hit anything, otherwise false.

* Check if the bounding volumes of two bodies intersect.

* Check if a body pair needs to be intersection tested at all.

* Sets the renderer. * * @param {WebGLRenderer} renderer - The renderer.

* Removes an existing object from the selection. If the object doesn't exist it's added instead. * * @param {Object3D} object - The object. *

* updateBoundingSphereRadius

* Should be called whenever you change the body shape or mass.