in reply to Challenge: Algorithm To Generate Bubble Blast 2 Puzzles With Difficulty

Think of the problem in reverse: start with an empty field- the "win" state- and play it backwards, with shrapnel coalescing into bubbles, sometimes leaving bubbles at the shrapnel source. By tweaking the rules-in-reverse, you can generate different levels of complexity.

I haven't thought it through in your particular case, just hope it gives you new ideas.

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Re^2: Challenge: Algorithm To Generate Bubble Blast 2 Puzzles With Difficulty
by Limbic~Region (Chancellor) on Aug 30, 2013 at 16:10 UTC
    Yary,
    I have thought of that and even generated a few boards this way. The problem is they only end up with the same outcome if game play starts the way your board generation ended. What I thought would be a "hard" board ended up being easy simply by picking a different starting position.

    Cheers - L~R

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