* @internal

* @internal

* @internal

* @internal

* @internal

* @internal

* @internal

* Add a trigger parameter to the controller. * @param name - The name of the parameter

* Create a sphere mesh by implementing Catmull-Clark Surface Subdivision Algorithm. * Max step is limited to 6. * @param engine - Engine * @p

* Create a cross fade from the current state to another state with a normalized duration. * @param stateName - The state name * @param normalize

* Decompose this matrix to translation, rotation and scale elements. * @param translation - Translation vector as an output parameter * @param r

* Called when the object need be release.

Get contact points.

* Get the array use for loop. * @returns The array use for loop

* Get the value of the given parameter. * @param name - The name of the parameter * @param value - The value of the parameter

* Get `VertexElement` by attribute. * @param attribute - Vertex attribute * @returns Vertex element

* Get the intersection type between a plane and a point. * @param plane - The plane * @param point - The point * @returns The intersection ty

* Get the intersection type between a plane and a sphere. * @param plane - The plane * @param sphere - The sphere * @returns The intersection

* Judge whether the url is absolute url. * @param url - The url to be judged. * @returns Whether the url is absolute url.

* Whether the key is being held down, if there is no parameter, return whether any key is being held down. * @param key - The keys of the keyboard

* Whether the pointer starts to be pressed down during the current frame, if there is no parameter, return whether any pointer starts to be pressed do

* Whether the pointer is released during the current frame, if there is no parameter, return whether any pointer released during the current frame.

* Remove the event listener(s) of the specified event name. * @param event - Event name * @param fn - Function, If is undefined, delete all corr

* Fast remove an element from array. * @param array - Array * @param item - Element

* Calculate a matrix rotates around an arbitrary axis. * @param axis - The axis * @param r - The rotation angle in radians * @param out - The

* Calculate a quaternion from the specified 3x3 matrix. * @param m - The specified 3x3 matrix * @param out - The calculated quaternion

* Sets the contact offset. * @param offset - contact offset

* Setting pixels data through TexImageSource, designated area and texture mipmapping level. * @param imageSource - The source of texture * @para

* Set vertex elements. * @param elements - Vertex element collection

* Upload texture shader data in shader uniform block. * @param uniformBlock - shader Uniform block * @param shaderData - shader data

* Upload ungroup texture shader data in shader uniform block.

* Transform a point from viewport space to world space. * @param point - Point in viewport space, X and Y are the camera viewport space coordinates