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- If you click with mouse button 1
- on a (destination) square then the following may happen.
- If
- - the destination square is on the same row or column as glenda, and
- - there is a ball next to glenda
- (in the direction of the destination square), and
- - all squares between the ball and the destination square
- (where glenda will move) are empty, and
- - the square next to the destination square where glenda will
- push the ball is empty too,
- then glenda will move to the destination square, pushing the
- ball while moving.
- Otherwise, if glenda can go to the destination square
- without touching anything, it will do so.
- Otherwise, nothing will happen.
- The breadth-first search algorithm should find a fast route.
- it can be seen in action by toggling the 'animate'
- entry in the button 3 menu.
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