Left/Right Arrow keys to apply a rotational force (torque) to rocket. Up/Down Arrow keys to apply a vertical force to the rocket. M to set the position of the target to the mouse ONCE. SPACE to set the position of the target to the mouse FOREVER (stopped by a single press to M). Q to randomise the position of the target every 7 seconds. The Green line indicates the force applied due to wind (relative to the brown target line).