Questions tagged [constraints]

Constraints are object features, they control in various fashions the object's transform properties such as its position, rotation and scale.

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27 views

Object parented to a bone moves twice faster than the armature root bone

I'm rigging a wheel and When I move the root bone of the car armature, the wheel move twice faster than the armature, The rotation is ok, but I can't find the way to make the wheel move ok. Video ...
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12 views

Strech Bone Constrain problem

I have a bone with stretch constrain, when I try to move the target bone, the stretch bone goes crazy doing things not related wuth the movement i do with the mouse. any idea how to solve it?
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How to easily edit action constraints

I am learning action constraints. However, animation and action constraints create overlapping effects, so we had to assign a fack user to the action data and remove it from the all bones. That ...
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1answer
32 views

Can I make character hold hands using contraints?

Trying to solve a problem here. I've got two characters, each with an already animated walk cycle. I want them to be holding hands: I tried doing by hand but the result is too jerky: Is there some ...
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15 views

Point Constraints Breaking When I Append Them

I made a simple ragdoll using point constraints but when I try to append it from my main library file to another file, none of the joints work and the ragdoll just falls apart. This is the ragdoll in ...
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Can I use offset instead of y to map texture in displace modifier?

I'm animating a fish to swoosh around as it moves forward using a displace modifier (like here: https://www.youtube.com/watch?v=58lc8sLpJzY). The problem is that I want it to go in a circle using a ...
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6 views

Problem importing a ragdoll model

I've added ragdoll physics to a rigify rig. I've grouped everything together in a collection. It works on the original file, when I hit play, I can grab the doll and shake it all about and get good ...
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22 views

LookAt-/ChildOf-Constraint lagging

My Setup is basically a human rig that running along the Y-axis. I want my Camera to move at its side and look at it. I use Blender 2.81. My plan was to put an Empty at the Position for the cam and ...
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44 views

Setting up a tube rig for an astronaut character

I have a scene with an astronaut character with tubes on the side of the helmet going to the back. I would like to set up a rig to allow the helmet to turn and the tubes react like they would in real ...
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20 views

Blender force field not obeying distance constraint

I'm looking to animate a series of objects confined to a sphere. The objects should all move in a clockwise direction, imagine fish swimming in a spherical fish bowl. I'm trying to achieve this ...
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31 views

Discontinuous rotation with 'Transform' constraint

With the following script : ...
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1answer
22 views

Is it possible to constraint an object on a vertice?

Is it possible to contraint an object on a vertice instead of the entire object? Like an arrow on a body. Or to a face, so that the constraint object would move according to the face's normal?
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Render single image perfect but rendered animation has objects dissappearing

I have finished a 650 frame animation. When I render a single image as PNG image the render is perfect. However when I render the whole animation as PNG eequence, the images making up the section ...
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65 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 ...
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33 views

How can I use Visual Keys?

I have a cube with a Follow Path constraint. In the first part of the animation, I need it to move along the path. In the second part of the animation, I need it to be free of constraints and move ...
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If you set 2 Child Of constraints on the same object, is the order of the constraints in the left side properties panel important?

If you set 2 "Child of" constraints on the same object, is the order of the constraints in the left side properties panel important?
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How to stop ridgid body object floating around?

I have atached a link to the problematic blend file. https://www.dropbox.com/s/vaxriy8lfo1palg/robotHat2-animated_ridgid%20body-copy%20float%20hat.blend?dl=0 At about frame 300 it appears that the hat ...
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1answer
24 views

Making an object heavier on one side to afect the fall of an object with ridgid body (active) applied to it

I want to make an object (which has rigid body_active applied to it) to be affected by gravity more on one side, as it falls to the ground. How can this be done?
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43 views

Dynamic object parenting; Does it exist in Blender?

I would like to be able to dynamically parent and unparent an object to another object so that I can freely animate the parented object while it is not dynamically parented. Is their a way to do this ...
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1answer
13 views

armature doesnot follow path after applying follow path constraint on armature object. The body separate from the armature

I face the problem with the follow path constraint which is when i set the armature to follow path constraint,it doest work but the body separate with the armature. Seek for help.
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How to animate a character throwing their hat on the ground?

I have a snowman with a hat. Link here: https://www.dropbox.com/s/jji57qkhwe3yhhp/robotHat3_childOf.blend?dl=0 I want to animate the snow mans hand grabbing the hat and throwing it on the ground in ...
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16 views

Can't find bone name when adding bone constraint inverse kinematic

I'm trying to do add bone constraint, and then inverse kinematic. I've renamed all the bones, but the names don't show up in the bone list under add bone constraint, inverse kinematic.
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1answer
39 views

Why is my mesh not fully taking the location constraint serious?

I animated the ROOT bone, and added a 'Limit Location' on the BottomRR set to be fixed on Z=0. But somehow the ROOT bone forces the mesh to dip under Z=0 during the rotation (while the bone BottomRR ...
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26 views

Blender 2.8 - Reapply base position for bone constraint after applying visual transform

is there any way to reapply base position for all bone constraints? Applying visual transform to bones deforms whole mesh, but disabling bone constraints fixes it. I have 8 animations, but it's so ...
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1answer
29 views

Block camera roll while following path

I'm trying to make the camera do a kind of tracking shot in 3D space. So I created a bezier curve, added a Follow path constraint to the camera, and selected the curve. Then, since I want the ...
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1answer
47 views

Freely move and rotate tip of bendy bone?

I have an object that i'd like to be able to translate and rotate freely, while the bendy bone below stays attached and curves and stretches accordingly. This works in edit mode but not when i switch ...
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Can a bone influence it's parent as in IK, but at the same time behave as if it has “billboard tracking” in relation to the IK's target?

So I made a rig for an arm where the wrist rotates to acomodate to the movement of the hand (simple IK, hand bone as owner, chain of 2 includes the wrist bone with an extra bone without parent as ...
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23 views

How to set the animated character's position on the grid floor?

I already animated the action for the character, just realise that the character in the middle of the grid floor, My question is how can i set the character on the grid floor instead of inserting ...
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1answer
47 views

The character does not follow the path

I want the character to follow the path, but its doesnt work...When i click the armature in object mode and add object constraint follow path, the character will move away and doesnt animated as ...
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18 views

How to stop mesh cutting through another mesh

I want to fold a plain mesh with two folds. The first fold is good, but when I make the second fold the edge of the first fold cuts through the mesh next to it. I have added print-screen of the ...
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30 views

TrackTo Constraint

I tracked the eyes of my character to a separate bone and parented the bone to the head bone. I want to be able to use that bone to control the rotation of my character. When I rotate the head bone (...
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16 views

How to parent objects imported from another application without offsetting issues?

I imported a mesh from Maya into blender. After doing the following: Removing all parent relations from the mesh Setting the mesh's origin to geometry Resetting all transformation data to deltas ...
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15 views

How to keep shoulder pointed at bone

How do i keep the arm inside the mesh wile still keeping it separate as well as pointing at the body?
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“Selection to Cursor” Why it's not working nomally

I made two UV Spheres like this make Constraint-ChildOf insert rotation keyframe of target after few frame, I rotate target sphere and insert keyframe And then, when I try to "Selection to Cursor" ...
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98 views

How to get a hover craft effect (Object over Landscape)?

I have made a hilly landscape using the Landscape addon in blender 2.8. I have an object which I want to animate across the landscape by following the surface contours and maintaining a small distance,...
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18 views

How to I bake IK targets into an animation?

I'm new to Blender, I have a rigged character in Blender. He is riding a ATV(quad). His hand bones have IK constraints with targets (empties) positioned at each handlebar. Everything is working as ...
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1answer
62 views

Delayed copy rotation…?

I'm trying to make a constraint or some kind of system in 2.80, where i have a vehicle, driving on a path (follow path constraint, also rotating, but only on z axis) and a third person camera, ...
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11 views

How can I convert these paths and constrained empties into animations?

I have a blend file with empties and boxes swirling about, following animated paths (beziers). I would like to convert these objects into a single animation that I could import into Unity, then ...
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20 views

My bone keeps on rotating. Need a little help with constraints

I'm trying to figure out how to rotate a rectangle box, and rotate all the parent bones along with the box so it can rotate a second time around another edge, and a third, and so on. I tried to ...
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44 views

Blender 2.8: Problem with Mechanics/Constraints/

The attached image shows a simplified excerpt of a bigger mechanical part. The sphere stands for a bone of an armature some kind of mechanical setup. The lower cylinder is along the X-Axis. The bigger ...
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1answer
142 views

Clamping camera to path, existing keyframe positions are thrown out when path is extended?

I'm using a Clamp constraint to animate a camera along a path for a long, continuous fly-by shot with pauses and target changes along the way. I'm keyframing on the transform of the camera dolly, but ...
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1answer
78 views

How to make the camera rotate while tracking the target

I need to make an animation with a camera around the target At the same time The camera Angle needs to be tilted But I couldn't rotate the camera when I tried to use “follow path” and “track to” it ...
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2answers
54 views

Move objetct perpendicular to the viewport

The easiest way to move an object (G key) moves it parallel to the viewport. BUT, is there any way to move it PERPENDICULAR to the viewport? That is, in depth but not just constrained to the XYZ ...
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1answer
12 views

Why parented to bone object has offset in local space?

Sphere empty is a bone's Сhild (origin is not cleared for it). Cube empty has CopyLocation constraint set to local space of Sphere empty. Now Cube has some offset, it is equal to bone's length. But ...
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1answer
79 views

How to rig a plate so that it points to a target, with off-centre tilt, and constraints on elongation and tilt

a question from someone who has never done rigging before. I need to make a plate (in my example: a cylinder) follow a target (a empty). But with some constraints: There are three degrees of freedom:...
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21 views

Armature Rig: Copy y-location while x-location is on circle

I'm pretty new to rigging and blender in generell, so bare with me. What i want to do is move the green bone at the courser on the y-axis. Then the 2 yellow bones beneath should move the same y-...
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25 views

Point particles to empty

I am making a colosseum with a crowd inside. For the crowd I am using an emitter and I have a few very low poly people objects in a collection. The problem I am having, is that they are all facing ...
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43 views

Blender crashing without error message (Automatic Weights)

Trying to pose my model with Rigify and when I already make rig bones and setting parent to Automatic Weights (selecting the model and rigs) the Blender begin to process and then just quit with no ...
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37 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'...
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1answer
38 views

Blender keeps adding “limit location” bone constraint to an entire armature?

Just move to 2.8. I am unable to add bone constraint: limit location to a bone in an armature. Everytime I try, the constraint is applied to the entire armature. What gives? Thx

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