Questions tagged [constraints]
Constraints are object features, they control in various fashions the object's transform properties such as its position, rotation and scale. Use this tag for questions pertaining to constraints and their usage within Blender.
1,165
questions
1
vote
1
answer
11
views
Uncontrollable Offset with Follow Path
When I set the target of the Follow-Path Constraint my object moves to some other position which I cant control and dont want. How can I fix this?
I think it has something to do with the blue dashed ...
- 763
1
vote
2
answers
458
views
Is it possible to make floor constraint base on surface detection?
Let's say I created a plane as the floor
And then I created a cube.
Instead of detecting the center of the cube against the floor, can blender use the surface of the cube.So whenever the surface of ...
CommunityBot
- 1
0
votes
1
answer
653
views
How to keep certain faces planar while decimating mesh
For a papercrafting application I need to decimate (collapse) the geometry in order to reduce the number of faces. The original geometry looks like this:
When applying the decimate modifier (with ...
CommunityBot
- 1
0
votes
2
answers
290
views
Aligning\snapping something to the world\global axis?
In Blender, is there any way of automatically aligning something to the global axis, automatically snapping it to it, or restricting movement to it?
I'm looking for something that's the equivalent of ...
CommunityBot
- 1
1
vote
1
answer
3k
views
Why is the 'Track To' constraint not working?
When I use the Track To constraint, my object snaps out of the original position and doesn’t track on the direction I want it to. How can I fix this?
before adding the tract to constraint, the body ...
CommunityBot
- 1
2
votes
1
answer
902
views
Actual Constant Offset for "Follow Path" Constraint
Actually quite an easy problem, but I seem to be unable to find any solution for it.
I want to move objects along curves while moving the camera on another curve pointing at the objects; for this, I'...
- 21
0
votes
1
answer
685
views
Baking animations on a Rigify rig with child of constraints does not preserve constraint
I am trying to bake a simple animation made with a Rigify Human rig. My rig is a humanoid mesh (the Unreal Engine mannequin but configured for use with Rigify). I have placed a "child of" ...
CommunityBot
- 1
0
votes
1
answer
30
views
ChildOf constraint not updating transforms properly on influence change
I've noticed a very weird problem regarding the transform update of ChildOf when I change it's influence.
I have a specific setup for an arm that looks like this:
...
- 33.6k
0
votes
1
answer
2k
views
Bone Limit Rotation constraint not fully working
So I'm using a Damped Track constraint and over that a Limit Rotation constraint as I only want the bone to rotate in X axis. This is the only setup I get it "working" but it has one tiny mistake, it ...
CommunityBot
- 1
0
votes
1
answer
72
views
how to make piston with offset pivot point (angled damped track)
I want to make a piston with offset pivot point.
The idea is that the armature 1 should rotate following the armature 2 in the X and Y axes without bending between bones B1 and B2 using damped track ...
- 21.3k
1
vote
1
answer
48
views
How do I link to objects movement with each other?
I want to create like a animation but not a animation, so what I want is whenever I rotate cube number 1 I want number 2 to go in a vertical movement, so when I rotate cube 1 by 360 degree cube 2 ...
- 53.5k
1
vote
1
answer
573
views
Most elegant or simple way to make a train follow a curve?
Rigging a train on a curve has it's problems. The cars have a fixed length and the tighter the radius of the curve, the more the car will cut corners. So a fixed offset will be too long.
My current ...
CommunityBot
- 1
1
vote
1
answer
367
views
Child of constraint not working for two handed object holding
I'm trying to get both hands on the sword handle the first arm works but the second arm only the rotation of movement will be applied here is what i did :
1- made a bone for the sword handle.
2- made ...
CommunityBot
- 1
0
votes
1
answer
653
views
Bones Mirroring Opposite Rotation
All my bones are mirroring perfectly except for my fingers which for some reason rotate in the opposite direction. Not sure what might be causing this the only thing unique to these are that the tip ...
CommunityBot
- 1
0
votes
1
answer
398
views
Controlling object visibility with distance to other object's vertices
This is my first post so please forgive any noobish errors.
Here's the problem I'm trying to solve.
I have a grid made up of hexagonal meshes. I have a cylinder that's either going to translate across ...
CommunityBot
- 1
0
votes
1
answer
36
views
how to make a bone move (slide) on one axis while following another bone?
i want to make the lower piston slides along the larger cylinder. maybe there are other ways to achieve this?
0
votes
0
answers
14
views
Can't seem to access the Add Constraints (With Targets) menu
I'm sure this must be a very basic mistake I've made, but I really can't seem to find the "Add Constraints (With Targets)" menu. I'm in Pose Mode with my armature, and I'm using armature ...
- 33.7k
0
votes
1
answer
533
views
Copy Transform Constraint Wrong Rotation
I have created an empty to hold the relation of the resting position of a bone to a weapon. I am setting a copy transform constraint on the hand IK with this empty as the target. The constraint ...
CommunityBot
- 1
0
votes
1
answer
255
views
Track to object's surface
I have a camera which is following a path. This path is surrounding a "large" u-shaped object (it's not a large object, but the camera is following it closely. Think of somebody scanning a ...
CommunityBot
- 1
1
vote
1
answer
16
views
Parenting ( Follow Path) constraints to a master empty will result in doube transforms / offset
Im pretty new to blender rigging but I have a decent knowledge about rigging in 3ds max. Nevertheless, I cant find a propper solution for a simple problem:
I want an object to follow a curve. I have ...
- 2,813
1
vote
1
answer
23
views
Pull one rigid body to a specific location/rotation?
Is there a way to make one rigid body go towards a specific spot and rotation?
Imagine something like a rope being attached to it, then the rope gets shortened until the object is in the right spot.
...
- 21.3k
0
votes
1
answer
36
views
Prevent objects/meshes from going or passing through other objects?
Without using physics, I wanna be able to freely move around objects like normal, but they cannot pass through certain other objects.
Any way besides physics for this? like applying a location or ...
- 21.3k
0
votes
1
answer
474
views
How to show transforms of Child Of or Copy Transforms constraint
I am trying to find a way to make the transforms from a Child Of or Copy Transforms constraint visible.
Let's say the bone is in its default position and with the constraint activated changes to a ...
CommunityBot
- 1
1
vote
1
answer
22
views
How to relocate a Follow Path Camera rig in the World without it breaking?
When animating a Camera or other object along a Curve, such as is shown in this video for example, why is it that the whole setup seems to be dependent on World Space?
That is to say, even if the ...
- 18.9k
1
vote
2
answers
742
views
Fixing deformation due to IK bone constraint
I've been trying to use the IK Bone Constraint with my rigs as it makes animating much easier. However, I find that when I apply the constraint, I get twisting in ...
CommunityBot
- 1
0
votes
1
answer
705
views
Bones with copy rotation rotate when the parent bone rotates
I'm trying out a way to rig a coat's hem using copy rotation bones that are copying the rotation of the legs, so it would rotate when the leg moves. So far it's working fine, until I rotate the waist ...
CommunityBot
- 1
1
vote
1
answer
116
views
How to Control Length of mesh line by percentage - Geometry Nodes
This may be a bit complicated to ask but hopefully this makes sense.
I have a geometry node creating horizontal blinds for a window. I would like to control the opening of the blinds by a percentage. ...
- 23
0
votes
1
answer
32
views
I want the Copy Rotation constraint to only return the offset of the target, not its actual value
Both the owner and the target are rotated away from the world axes so I have to set the owner to local space for it to rotate correctly. I think this may be part of the problem. Is there a better way ...
- 2,813
2
votes
1
answer
860
views
How can I duplicate and translate a selection of edges constrained to the original mesh?
I have a rather large selection of edges on a subdivided plane. I would like to have duplicate edges right next to the original ones (on the same plane). In other words, each of the original edges ...
CommunityBot
- 1
1
vote
1
answer
74
views
Best way to apply Soft Body to multiple floating meshes that are parented?
I have a mesh like the below and I'm wanting to apply soft body physics to it, but to have the parts remain 'connected' — I've tried vertex parenting, rigging etc. but none of it seems to work, I'm ...
- 145k
0
votes
1
answer
10
views
Bone constrained to external object, how do I edit or remove this constraint?
So I created a character model a little while ago, did some animations that involved that character being in handcuffs, and do so this, I somehow constrained the IK controller of the hands to the hand ...
- 167
0
votes
1
answer
690
views
Visual Keying not Properly Recording IK When Baking Animation
While animating something recently, I've come across something I've never seen before. I had just finished the following animation, and since I had used the spring bones plugin to simulate the hat ...
CommunityBot
- 1
1
vote
1
answer
449
views
How to get an empty tracked by a camera to move smoothly between keyframes
I have constrained a camera to track to an empty, and I've constrained the empty to limit its distance from the camera to outside 5 m and inside 10 m. I have parented the camera with the track-to ...
CommunityBot
- 1
0
votes
0
answers
19
views
How to orbit several objects at different speeds and paths around a central location
I am attempting to make spheres orbit around the perimeter of elliptic rings that transect a rotating central sphere, similar to an electron orbiting around a nucleus. The rings and attached spheres ...
0
votes
1
answer
45
views
How can I have multiple objects follow a single path but maintain their original offset?
Ultimately I'm trying to make something along the lines of:
That titbit. In an IDEAL dream scenario, I would like this with VWSC letters: https://www.youtube.com/watch?v=qgiBkydMW8k
I am trying to ...
- 763
1
vote
1
answer
219
views
How to constrain an object's motion with the Simple Motion Actuator
I've defined a Logic Bricks Simple Motion Actuator which responds to keyboard input to move an object along the Z axis. It works fine, but I want the object to be limited to move from 0.0 to 5.0 along ...
CommunityBot
- 1
2
votes
1
answer
117
views
Why does my Follow Path Object Get Separated when Parent Moves?
I have a simple setup where I want the cube to orbit around a circle curve using a Follow Path constraint. I have both of those objects parented to an empty, so I can move the setup around while ...
- 33.7k
0
votes
0
answers
16
views
Constraining the amount of movement on an axis in layout view
I have a design where a part can slide on a rod that is aligned with the X axis. I need to move the part around to see how it looks in different positions on the rod. To make this easier, I have ...
- 133
2
votes
1
answer
84
views
How do I adjust the time between offsets when using Follow Path?
I'm trying to model an orbit, so I want to sweep out the same area at one end as the other. To this end, I've done the needed calculations and determined the required offset. The perihelion isn't ...
- 145k
1
vote
2
answers
732
views
World Space in transformation constraint not working as expected
Relatively new to constraints and trying to make it so that moving the cube along the X axis makes the monkey rotate along the world's X axis.
No matter what kind of combination I choose for the ...
CommunityBot
- 1
5
votes
2
answers
104
views
How to rotate an object to continually touch the uneven surface of another rotating object?
How to rotate an object to continually touch the uneven surface of another rotating object?
Object A (black) rotates using a variable speed driver to another
object's rotation. Object A has an uneven ...
- 721
0
votes
1
answer
774
views
'Child of' constraint not working on armature
Basically i am trying to make some first person shooter animations and i just can't get the child of constraint to work,
As you can see, i tried setting the constraint on the right hand so that it ...
CommunityBot
- 1
1
vote
1
answer
527
views
during copy transform constraint, the child object snaps to the origin point of the parent object
When i use the copy transformation constraint, the child object snaps to the origin point of the parent object.
What i want is, when i constraint an object, the child object should remain where it ...
CommunityBot
- 1
1
vote
1
answer
2k
views
Inverse Kinematics constraint with pole target
Salutations,
I am currently trying to make a rig for a project involving 2D planes to create some kind of equivalent of DragonBones in Blender (I'm working on Linux and DragonBones isn't available ...
CommunityBot
- 1
0
votes
1
answer
246
views
How do I assing a copy_transform constraint to bones stored in different lists?
So, I am writing a set of scripts to help me out with manual rigging in Blender. But I came across a problem when trying to assign constraints to 2 different groups of bones that I store in separate ...
CommunityBot
- 1
0
votes
0
answers
37
views
Child object moving too far from parent object
im trying to make a robot arm pick something up and put it down somewhere else. to do this, im using the child of constraint so i can animate parenting and unparenting (since you can animate the ...
0
votes
1
answer
46
views
How to make Object Constraint Transformations work across axes?
In the example below, the transformation from X to X works. The monkey follows the torus when I move the torus.
However a transformation from X to Z doesn't work. I move the torus & the monkey ...
- 21.3k
0
votes
1
answer
44
views
Make a Variable Speed Rotation Driver to Influence Another Object
What I want to achieve starts pretty standard: the rotation of object A rotates object B. I use a driver. No prob.
Where I’m stuck is that I want certain portions of A’s rotation to rotate B faster ...
- 21.3k
0
votes
1
answer
306
views
Objects tracked to camera track to the viewport camera at current frame instead of camera location at the frame it should be rendering
I've created some text objects and to make sure they are always facing the camera I have them tracked to the camera with some constraints. I've tweaked the constraints until it looks fine in the ...
CommunityBot
- 1
1
vote
1
answer
27
views
Why does my object follow the path, but with a weird offset?
I'm modelling a fictional solar system, and one plan has a very eccentric orbit. So I've set the planet's constraint to "Follow Path." It moves, but not along the orbit. See the screenshot ...
