Physics Actor dropping to ground when attached to character
in 4.2.1 - I had a Dinosaur character with a separate tongue skeletal mesh/physics body.
I attached them together using a physics constraint in the component section of the blueprint. This worked perfectly. The dinosaur could run forward and the tongue would follow, simulating physics too. It acts as one solid mesh, following animations etc.
In 4.3 - 4.5.1 , the tongue instantly snaps to the origin of the character and does not follow. This is using the exact same settings as 4.2.1
I have tried workarounds, such as using the "Attach to" node via the construction script, which showed the same results. I also tried the same thing but via the event graph instead - same behavior.
We've found this bug on our end, too, and we're working on it. We've got a fix, and the fix should be in the official 4.3 release - if you find that this bug is still happening, then please post again and we'll take another look at it.
Thanks for your patience,
answered Jul 15 '14 at 02:20 PM
We haven't heard from you in a while, so we're marking this post as resolved for tracking purposes. If this issue is still a problem, respond to this message and we can get back to work on it.
answered Aug 20 '14 at 07:44 PM
I've been seeing a similar issue lately I think, when trying to turn on simulation on a bone after animating a car door open. I've created a topic on it.
I'm going to test using a socket tomorrow. Attaching a seperate skeletal or static mash and animating then enabling physics.
With the bone method, the door would simulate fine if it was constrained to the root bone, but then would pin the car down if simulation was off. But then if I constrained to anything other than the root, it wouldn't pin down the car, but would fall off to the ground like stated above with the tounge. When simulation was turned back on.
I haven't tried to re-constrain after simulating pysics on my second test. Maybe that could work... But in any case, i should probably use sockets anyways to reduce bone count and since the car doors and whatnot could break off and not be permanently attached.
answered Oct 27 '15 at 03:49 AM
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