setNear(near) {
        near = isNaN(near) ? this.near : parseFloat(near);
        near = Math.max(near, 0.01);

        if(near !== this.near) {
            this.near = near;
            this._shouldUpdate = true;
        }
    }
Sets the camera near plane value
     Update the camera projection matrix only if the near plane actually changed

     params:
     @near (float, optional): near plane value to use
*