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About bretik

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  1. Wire attached geo collision

    Well, my geometry is growing... so I can't use this method because the number of points changing...
  2. Wire attached geo collision

    Yes, look promising, Thanks for this! B.
  3. Well... actually it works already..
  4. Hi, I'm generating curves... I want with the "Group by range" select say the first point and offset it with $F, I have this done... for all curves doing the same.. But what if I want a random, in a way that offset of selection on every curve is different, I was trying to use primnum, but seems not to work... Do I need some "For Each"? And if so, how. Please and Thanks! Bretislav DontKnow.hip
  5. Hi, I like to do this... Create wires (kind of stems) attach the geo to the last point of curves (bloom) and during wire DOP collide the curves (wires) also with the blooms... How to do this? Sees to me like kind of cycles for counting this..? What should be the data flow? Thanks. B.
  6. Hi, can't make work the "Wire Visualization" node in H17? Did anyone experience this? Bretislav
  7. Hi, can't make work the "Wire Visualization" node in H17? Did anyone experience this? Bretislav
  8. Material Fracture Bullet Glass

    oh, ok... I will bend the glass after the sim... Don't need to use Arnold... even it will be similar for Arnold... I will check that. Thanks a lot. Bretislav
  9. Material Fracture Bullet Glass

    The other issue I have is that as long as it is on BOX object it looks great... Radial cracks are curvy, but no matter what if You make Material Fracture on imported object or a pig head test geometry or any other. The radial cracks are just straight... as well as concentric cracks...
  10. Material Fracture Bullet Glass

    Thanks Victor... But there is going to be like 5 shots hitting the glass... so I need to make some "geometry mask", based on some attribute, There is something, some attribute "Broken" on the constraints... maybe that's the way. Can't figure it out... (or I was thinking about converting both do VDB do some " diffrence mask" and then use this for combining cracked and uncracked mesh ... ?)
  11. Material Fracture Bullet Glass

    Here ss a file... HOW_TO.zip
  12. Material Fracture Bullet Glass

    Yes, but how, what feed into switch?
  13. Material Fracture Bullet Glass

    OK, I solved the thing... I'm about to render it.. as a glass. How are You guys doing this? You have some workaround for this? I mean.. "Material Fracture" is fractured all the way from frame 1. so it's on the render as well. Is there some way to mix the "uncracked" and "cracked" mesh based on some attribute? What will be the best way to handle this? On a pictur is frame 1, the cracking starts on Frame 5 or so...
  14. Material Fracture Bullet Glass

    OK, I see.. Thanks!
  15. Material Fracture Bullet Glass

    Hi, I try to make a car glass bullet hit... I can't figure how to make the connected pieces which stay attached to glass, I tried "soft constraint" of the "Material fracture node, but I can't figure how to break the soft constraint in some distance, pieces always returning back no matter how far they are.. which looks more like a STAR GATE portal opening Sklo_TEST_11.hip