Archive: 13 posts

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Hey, I recall hearing one of the MM tutorials saying the cheapest shape in the game is the circle since it saves no vertices. However, the instant you alter the shape then the roundness turns into vertices. Basically I'm wondering, if I have a circle but I want to erase the middle to give myself a little window to glue things from, and then fill it in with a brush, will the game still count it as a circle with 0 vertices?

2010-07-15 18:07:00 Author: Foofles Posts: 2278

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That would be a new shape as you added several vertices to the middle. ..and just gained the outside as well. I have heard some argue the circle NOT being that cheap of a shape. Not sure if anyone ever attempted to disprove Mm saying that as I would think they sorta know what they are talking about. Mm that is!! lol

2010-07-15 18:10:00 Author: jwwphotos Posts: 11383

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circles arent too bad to use, as it has a special collision which relieves some stress on the engine, but the moment you alter the shape the circle will be a lot harder for the engine to process, so adding in a second wont help you.

2010-07-15 19:02:00 Author: Luos_83 Posts: 2136

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I've actually done the circle vs. triangle experiment. Circles are NOT more thermo friendly than triangles. At one point I started using circles of dark matter that I would shrink down to glue to stuff to make it static...when I hit the shape thermo limit way too early on Fat Chipmunk I decided to do some testing. I figure if I could replace all the circles (there are hundreds because everything is loose pieces) with triangles I'd reclaim about 2 bars of the shape thermo...needless to say I use triangles now. Mm did actually recommend using triangles for this purpose...I remember thinking it was an odd recommendation since they had just said the circle was the most efficient shape. Pretty annoying really, I would love to just be able to set any piece of geometry to static.

2010-07-15 19:02:00 Author: fullofwin Posts: 1214

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Yeah, I'm kind of torn on the circle vs triangle thing, but let me elaborate what I'm trying to do just so I know we're all on the same page... with an MS Paint diagram. ( attached) Basically, I have a contraption and I need to glue a thin layer circle to the front of it.. problem, the contraption has a piston in it, and if I just glue it straight on the piston will not work anymore. So I figured I could cut little ports in the circle to be able to see the piston (and other things, this is an example) and glue easily to the object. And then fill in the gap with the same material or delete the verticies, I'm wondering if this will be considered a circle again. Actually rather than mess around and guess I just used a hexagon shape and cut through it since it has less vertacies than a non-circle "circle".... but I'd still like to know

2010-07-15 21:10:00 Author: Foofles Posts: 2278

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So I figured I could cut little ports in the circle to be able to see the piston (and other things, this is an example) and glue easily to the object. And then fill in the gap with the same material or delete the verticies, I'm wondering if this will be considered a circle again. Can you use bolts to attach the circle (set to invisible) instead? If I had to guess cutting a hole in the circle and then healing it wouldn't get you back a circle...you'll have to do some tests. Also, unless you plan to have hundreds of these it's not a big deal...a few "dropped" circles doesn't amount to much in the scheme of things.

2010-07-15 21:27:00 Author: fullofwin Posts: 1214

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Yeah, just copy it a few thousand times and compare with measurements on regular circles. After you've been at it for a while you just turn into a drone and time will just fly by. Do it for the good of LittleBigScience!

2010-07-15 21:38:00 Author: Rogar Posts: 2284

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I was planning to do that, to be honest lol. I intend to have a bunch of contraptions like this, it's just my contraption is poorly designed for glueing... you're talking a thin layer in the front and a thin layer in the back so it's really hard to glue without touching the piston without some kind of port hole. I'll still do the circle experiment later though.

2010-07-15 22:00:00 Author: Foofles Posts: 2278

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I recall hearing one of the MM tutorials saying the cheapest shape in the game is the circle since it saves no vertices. Which isn't entirely true, but that's a whole other argument. Basically I'm wondering, if I have a circle but I want to erase the middle to give myself a little window to glue things from, and then fill it in with a brush, will the game still count it as a circle with 0 vertices? You can tell if a circle has lost its 'circleness' by making it really large, and standing on the edge of it between two 'vertices'. If you appear to be standing slightly above the surface, then it still has its 'circleness'.

2010-07-16 01:11:00 Author: Aya042 Posts: 2870

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You can tell if a circle has lost its 'circleness' by making it really large, and standing on the edge of it between two 'vertices'. If you appear to be standing slightly above the surface, then it still has its 'circleness'. I was unaware of that. Now I know. And Knowing is half the battle!!...............(G.I. Joe!)

2010-07-16 13:24:00 Author: Memodrix Posts: 879

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I was unaware of that. Now I know. And Knowing is half the battle!!...............(G.I. Joe!) Someone have watched too much TV

2010-07-16 13:27:00 Author: Alec Posts: 3871

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I was unaware of that. Then you might also be unaware that you can actually delete those two 'vertices' with the corner editor, and the circle still retains its 'circleness'. Looks kinda weird actually. Another one, which is actually very useful: if you cut a circle (or even a circle missing two vertices) out of a square, that circle loses its 'circleness', but if you then use that object to cut into a new square, the resulting circle regains its 'circleness'. As for the original question: I just tested it and it seems that cutting a hole in a circle and filling it in does restore its 'circleness'. What it looks as if is happening is that, every time you edit a shape, it does a quick vertex check, and if enough of its vertices conform to the correct relative positions for a circle, then the game gives it circle physics.

2010-07-16 14:51:00 Author: Aya042 Posts: 2870

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Aha, thanks a lot! Everyone!

2010-07-17 05:21:00 Author: Foofles Posts: 2278

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