I never noticed until now, but there's also a picnic table in the picture, too!

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Whoa, bambams is there as well!

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LMFAO, too funny. (Note to self: they know too much, eliminate them!)

I used GIMP to apply my circles.

Okay, you made me laugh.

Try the power button.

I tried looking at that last photo but then some douchebag instant headshot me from behind a wall.

Damn hackers.

I drew the picnic table circle. I FOUND IT, NOT YOU!

I see. My point that there are two circles of each type still stands though - I guess you thought the JPEG degradation on the top right circle was anti-aliasing

Reminds me of this:

It's actually pretty cool. Wavelets can be used for all kinds of stuff. It really opened my eyes to how we represent stuff using the most "obvious", standard, representation. But there's tons of ways to represent stuff.

Instead of a height map of air pressure on a grid, you could, say, represent the pressure at position X with an equation. Maybe it wouldn't help, maybe it would, I don't know. It's a bit of a contrived example. But it's cool stuff.

One experiment I did with air pressure simulation on a tile map was to have "generators" (a pressure leak, an air pump, etc) that spawned walkers, and walkers walked the grid except where walls blocked them. Each generator spawned new walkers ever X frames and they "grew" or "surged" out from the generators and updated tiles as they went along. If one generator met another generator's output, they could either average the results of both, or weigh them based on the age. The further out you were from a generator, the older the results would be which simulated pressure waves a bit.

[edit]

Not sure if this helps visualize, but here's a test app running with each color representing a different "generation" of walkers. With a generator on the bottom right, and a generator on the top left.

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I try to buy used with pretty much every non-perishable, but computer parts are the main exception. I suppose it's because they wear down and break in ways that cannot be easily detected, so why take that chance? I hope you are not killed, either. Clearly, this man is a lunatic.

That said, I would be more likely to buy a used graphics card than I would a used HDD (ignoring educational purposes).