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Thread: How do you get a sphere to look as good as this with fracture?

  1. #1
    Newbie Member Peter Ekberg's Avatar
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    How do you get a sphere to look as good as this with fracture?

    Look at 4:50 in this vid http://www.youtube.com/watch?v=P8XqSv3hRPA

    how is this done? when I use fracture Im not able to get a smooth nice sphere..

    Would someone please be so kind to explain the steps

    BR Peter
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  2. #2


    I don't know if this will help, because I rendered these to show the wires so you can see the pre-fracture in the wires, but they weren't visible before using the shader and there was a switch in the bullet UI that seemed to keep the object from showing any cracks but I can't look at it right now to see what it was. However, probably the surest method would be to swap out the object with an un -fractured one and cut between them.

  3. #3
    Cow Orker cagey5's Avatar
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    It's really a matter of resolution. In the pictures attached the ball on the left is the default sphere settings of 24 x 12. The sphere on the right is 96 x 48. Smoothing is set the same for both objects.
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  4. #4
    Newbie Member Peter Ekberg's Avatar
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    Awesome looking but if you do this to say with glass balls? how would you solve fractures and smooth surface?
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  5. #5
    Newbie Member Peter Ekberg's Avatar
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    so both objects in the image to left is fractured right.
    the sphere to the right looks good but how would you solve a glass material?
    The cake is a lie....
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  6. #6
    Cow Orker cagey5's Avatar
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    Either switch objects at point of impact or keep internal surfaces at 100% transparency until point of impact might work.

    [EDIT] I seem to recall that the dielectric node could be useful in such cases, though I think cast shadows would always be a problem.
    Last edited by cagey5; 04-16-2013 at 06:27 AM.
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  7. #7
    I think the switch is the only way to solve a transparent object.

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