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tank suspension

this should be simple enough, i hope.

i have a vehicle made of a chassis and 4 sets of tank tracks, basically the chassis is the bit thats powered and i want the 4 tracks (wheels essentially) to flop loose as child actors so when i go over uneven ground their rotation conforms to the surface.

no idea how to actually set that up since im using a basic pawn BP and simulating physics on the tracks causes them to fall off.

alt text

Product Version: UE 4.18
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tank-rig.jpg (625.1 kB)
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asked Jan 04 '18 at 08:35 PM in Blueprint Scripting

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phaeton1911
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avatar image BladeMaster Jan 04 '18 at 08:57 PM

Physical Animation might be able to help you out here. https://docs.unrealengine.com/latest/INT/Engine/Animation/PhysicallyDrivenAnimation/ https://docs.unrealengine.com/latest/INT/Videos/PLZlv_N0_O1ga0aV9jVqJgog0VWz1cLL5f/N1tDjbFXeOo/ Note that your tank mesh should be a single skeletal mesh(both chassis and 4 tracks should be in one skeletal mesh)

avatar image phaeton1911 Jan 05 '18 at 07:32 PM

as luck would avew it,not long after i posted this i figured out what BladeMaster said. thanks man

how ever an even bigger problem has cropped up; i need to make said tank navigate. ive tried making it part of a default pawn but since the tank needs physics the pawn moves off and leaves the tank mesh behind and any other types of movement instigation just flags an error saying its not allowed to move.

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