question: public void updateYawAndPitch ( ) { long timeNow = System . currentTimeMillis ( ) ; long deltaTime = timeNow - this . lastAngularUpdateTime ; this . lastAngularUpdateTime = timeNow ; double overclockScale = 50.0 / ( double ) TimeHelper . serverTickLength ; double deltaYaw = this . yawScale * overclockScale * this . maxAngularVelocityDegreesPerSecond * ( deltaTime / 1000.0 ) ; double deltaPitch = this . pitchScale * overclockScale * this . maxAngularVelocityDegreesPerSecond * ( deltaTime / 1000.0 ) ; mYaw += deltaYaw ; mCameraPitch += deltaPitch ; mCameraPitch = ( mCameraPitch < - 90 ) ? - 90 : ( mCameraPitch > 90 ? 90 : mCameraPitch ) ; }
target:  Called to turn the robot / move the camera.