Hello
Im having an issue with the weld constraint feature not working
I did everything well like anchored only the hinge, the weld constraint is active, both parts are in the same orientation but it still do not works
here’s a video of what i get (the hinge is the grey part rotating at 00:09 secs)
Exozorcus
(Exozorcus)
March 13, 2024, 11:01am
#2
i cant tell what you are trying to do with this part, but couldnt you just use tween service or smth
drkamil
(drkamil)
March 13, 2024, 11:04am
#3
Make sure that the parts are unanchored, and if they are being changed using position use CFrame instead ( WeldConstraint | Documentation - Roblox Creator Hub )
trying to rotate the black bridge using a hinge so tweening only the bridge would not work
Sleazel
(Malcolm)
March 13, 2024, 11:21am
#5
and if they are being changed using position use CFrame instead
On top of that, changing/tweening part Rotation (which looks like what is happening on the video) will also not affect the part.
You have to tween/adjust CFrame for the WeldConstraint to work.
The part disapears using CFrame.Angle
Sleazel
(Malcolm)
March 13, 2024, 11:33am
#10
You have probably constructed CFrame.Angles
without the position component. Therefore your part was repositioned at 0,0,0
.
Rather than constructing new CFrame from scratch, you should multiply current CFrame by required rotation - or use CFrame.UpVector
Example code
Hinge.CFrame = Hinge.CFrame * CFrame.Angles(math.rad(90),0,0)
UpVector version:
Hinge.CFrame = CFrame.LookAt(Hinge.Position, Hinge.Position + Hinge.CFrame.LookVector)
Thank you its working this time but its not rotating in the good way
People told me to use Vector3 instead of CFrame for this kind of issues but since i cant use it for this situation what do i have to do ?
Sleazel
(Malcolm)
March 13, 2024, 11:39am
#12
CFrame rotations are something you will have to get used to unfortunately.
Try experimenting with different values in CFrame.Angles
. You can put math.rad(90)
in either of 3 places and/or add a minus sign: math.rad(-90)
.
One of those 6 versions will be correct one. Proper one will depend on the part initial orientation.
it works perfectly fine thank you for your time
1 Like
system
(system)
Closed
March 27, 2024, 11:45am
#14
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