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Strawberry leafs dynamics

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Nikolay KirkovStrawberry leafs dynamics
by on Feb 16, 2015 at 8:43:47 pm

Can somebody give good idea how to do strawberry with leaves on top, which are also dynamic. I tried with connector and soft body... strange artefacts happening.


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Brian JonesRe: Strawberry leafs dynamics
by on Feb 18, 2015 at 1:26:10 am

which connector (can you post the scene file?)

other thoughts, make the whole strawberry a soft dynamics object control stiffness with vertex maps

joints/bones


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Nikolay KirkovRe: Strawberry leafs dynamics
by on Feb 18, 2015 at 11:29:17 am

Its good idea to make the hole strawberry one softbody.Im using Fixed connector. Here the scene file:

8573_strawberry.c4d.zip


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Brian JonesRe: Strawberry leafs dynamics
by on Feb 18, 2015 at 5:26:18 pm

the connector will work if you change the connections from "Center of Mass" to Polygon Point (if you can figure out which point you want using the Structure Manager)or Point Selection with a point selection tag with only one point in it (for each object). Center of Mass uses the very center of the objects, not too bad for the plane initially but it's shape changes so the center will change and always bad for the berry since the center is not where the leaves should attach

8579_connectorstrawberry.c4d.zip

using a simpler strawberry version to make it quicker to test with


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Nikolay KirkovRe: Strawberry leafs dynamics
by on Feb 20, 2015 at 3:36:32 pm

My main concern is this crazy deforming and intersecting:
8586_screenshot2015022017.34.42.png.zip


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Brian JonesRe: Strawberry leafs dynamics
by on Feb 20, 2015 at 3:58:39 pm

what have you got Elastic Limit set to in the Springs/Structural and Shape Conservation? I think you can also try increasing Damping as well but elastic limit worked for me in my test file


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Nikolay KirkovRe: Strawberry leafs dynamics
by on Feb 20, 2015 at 4:23:59 pm

Structural - 1000
Damping - 30
Elastic limit - 1000
I notice if stiffness is set to -0 or 1 - deformations, if it's 2 now deformation stops.
Now I'm trying to preserve volume - when berry fall it stretches pretty elastic. Any idea how to fix it? When increase the stiffness it affects tha berry.

Any other advices on springs settings?


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Brian JonesRe: Strawberry leafs dynamics
by on Feb 21, 2015 at 6:02:06 am

reduce the Elastic Limit (try 100 for starters) on both of them, Structural and Shape Conservation


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