Smalltalk lunar lander game implementation.
To start you can run LunarModule exampleStart
It should open a window like:
The goal is to make your lunar module (the blue bloc), land on the surface of the moon, with the available fuel (green gauge on the left).
Then press start/stop button.
Press [w] to power your rocket engine.
You may succed if your lander touch the ground and remains blue. If it turns red, your dead.
