The Powder Toy

If frozen than the best way is yeah, collision testing. As it can't react with anything around it.

You'll detect BRAY if it hits metal. Or use detector wall. You might use it to block some photons as well..

Gravity pump and breakable power clone.  

1. What if you try compiling the source for a Mac? You get the freshest release around, get compiling skills and good support.   2. OR you just could make a virtual machine (probably VMWare Fusi...

Bullet was never in official.

Maybe the "line tool" would control direction?

oh, so it moves only right? kay

Kinda like sponge?

Nice that you read them. You'll be a good member. Not like 80% of newcomers.(until our baptism in flame)

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