Ignoring grouped objects
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So here I am making something with sketchy physics and I cant figure out how to make something be ignored (so that it has no weight and does not collide) while grouped to some active things , not even a simple edge. This seems very weird but when I have several grouped objects and then add a simple edge to them, the edge passes straight through stuff but has some incredible weight for something mathematically thin! even if I try to make the only group it is in ignored.
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@unknownuser said:
So here I am making something with sketchy physics and I cant figure out how to make something be ignored (so that it has no weight and does not collide) while grouped to some active things , not even a simple edge. This seems very weird but when I have several grouped objects and then add a simple edge to them, the edge passes straight through stuff but has some incredible weight for something mathematically thin! even if I try to make the only group it is in ignored.
I am not sure I understand. Could you post an example?
Chris
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Here's an example. What I want to happen is the edge (I want it weightless) gets whipped around by the box, not visa-versa.
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@unknownuser said:
Here's an example. What I want to happen is the edge (I want it weightless) gets whipped around by the box, not visa-versa.
Ah, you need to make the box and the line 2 separate groups. Make the line its own group, flag it as ignore and then group with the box.
Chris
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That does make the edge fly straight through stuff, but it still outweighs the box. I think the problem might be that when I group them, the group that they are in has weight to it even though it has no geometry directly inside it. If this is the problem I have no idea how to fix it.
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@unknownuser said:
That does make the edge fly straight through stuff, but it still outweighs the box. I think the problem might be that when I group them, the group that they are in has weight to it even though it has no geometry directly inside it. If this is the problem I have no idea how to fix it.
Congratulations, You found a bug. It looks like the center of gravity is at the center of the object even tho part of it is set to ignore. I am surprised no one has found this before. Ill fix in the next release.
Chris
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Crazy, I'm surprised also. Thanks!
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