1){this._mouseOnBall.normalize()}else{this._mouseOnBall.z=Math.sqrt(1-o*o)}this._eye.copy(this.camera.position).sub(this.target);this._mouseOnBallProjection.copy(this.camera.up).setLength(this._mouseOnBall.y);this._mouseOnBallProjection.add(this._objectUp.copy(this.camera.up).cross...