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.

Filter by
Sorted by
Tagged with
0
votes
0answers
12 views

Child of constraint with bone is not following the parent

I'm doing a simple ball pitch animation. I tried to do child of constraint for the ball to the hand, it works till set inverse step and comes back to its original place. But when I try to move the ...
0
votes
1answer
29 views

Copy Rotation Constraint not working when paired with a Shrinkwrap

So my scene is a boat on an ocean modifier. I have a shrinkwrap modifier on a plane, the rough size of the boat, directly under it. Vertex group has been set. Plane is subdivided. Boat is not ...
0
votes
1answer
16 views

Is there a way to get the shrinkwrap constraint to move the target to the object rather than the reverse?

In the image below there's a cuboid that has a shrinkwrap constraint to a distorted cylinder. As I rotate the distorted cylinder in the x-axis, the cuboid moves up and down following the uneven ...
0
votes
0answers
8 views

Getting Copy Transforms + Stretch To to work consistently during a render?

I figured out this way of making things slightly lag behind. It's quite nice and easy to set up, and I can move stuff around in real time. Everything would be alright, but the system simply does not ...
0
votes
1answer
25 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 ...
0
votes
1answer
16 views

How to remove IK Target after a certain point without breaking the animation?

I'm creating a siting animation for a dog, I used a IK target to lock his his right leg to a specific location when i was animating his left leg. everything is fine and animation is going how I want ...
0
votes
1answer
15 views

Active dynamic rigid body object does not move since linked to armature

i have tried everything and it does not move as an dynamic active object. clear parent does not help. it has an "child of" object constraint: There is no passive object. at least not yet. ...
0
votes
0answers
15 views

How do I set an object to move along an axis by changing the rotation of a different object?

So I'm trying to model an aperture like shape, and am setting up constraints to go along with it. After a long bit of trial and error, I found out I could use the copy rotation constraint all set to ...
0
votes
0answers
17 views

Action Constraint won't select Action baked from Copy Transform (2.8)

I'm trying to turn a mesh's action into an action that corresponds with a bone in my rig. I duplicated the bone in Edit Mode, separated it into it's own separate armature. We'll call this RefBone. I ...
1
vote
0answers
33 views

How to make that wheel follows road bumps

I'm working some simple project where I have a car which driving on road. Road has bumps. Of course, as rookie amateur :) , my wheels sinking into bumps. I tried various methods I found over internet, ...
0
votes
1answer
44 views

Rigging two-handed weapon in Blender 2.8

I'm having trouble with rigging a two-handed weapon in Blender 2.82. Basically, I want to achieve this: Such gif was retrieved from a previous questions and answer, but the solution applied for a ...
0
votes
0answers
28 views

Copy Rotation Constraint with Offset doesn't work like expected

Trying to constraint deform armature with bad bone rotations to a copied but fixed armature with proper bone rotations for animation. Some kind of puppetering. (I can't change position or hierarchy of ...
0
votes
0answers
19 views

Camera not staying on nurbs path

my camera won't stay exactly on the nurbs path (there's a small space between them) and then it randomly jumps onto it near the end. I've checked for any rogue keyframes, cleaned keyframes and made ...
0
votes
0answers
9 views

Strange results with hinge and rigid bodies

Can anyone explain me the reason for the strange animation I get with the Blender file you can retrieve here?
0
votes
0answers
9 views

Animation problem when open the scene from other pc

I have a scene with character animation (rigged with "Blenrig") done by my friend , all works fine on his pc , but when I open the scene on my pc , the eyes main control animation is wrong , ...
2
votes
2answers
26 views

How to create stacked rotation with bones? (similar to array mod with object offset)

I'm trying to achieve this kind of stacked rotation that you would get when using an array modifier on an object and having the offset controlled by another object. This is for a spine of a character. ...
0
votes
1answer
38 views

Move one object and second object on the circle path will stay in nearest distance to first object

I want to do this: I have got one object (Empty.001) and I want to move this object only on circle path. I have got second object (Empty) and I can move this second object without limitation. I want ...
0
votes
1answer
72 views

Rope Simulation Using Rigid Bodies

I'm trying to model a rope used for a guillotine - after a bit of research I've attempted to model it using a series of rigid bodies connected together by empties acting as POINT rigin body ...
1
vote
1answer
33 views

Is there a way to delete bone constraints by name?

I'm trying to delete all bone constraints containing part of the name 'Action' for selected pose bones. I'm still learning scripting and this is the best I could come up with. Any pointers would be ...
0
votes
0answers
10 views

Uniform rigid body constraints

is threre any way to connect a lot of pieces (like fragments form cell fracture) together with rigid body constraints uniformly? When you normally use connect, its just connects all fragments to the ...
0
votes
0answers
17 views

Imported model has bone fixed on point - how to fix it?

So I imported a model through an XPS plugin for Blender, and I tried to move one of the Joy-Cons via a master bone, but it's fixed in one point, so I can't move it aside from rotation. When I do move ...
0
votes
0answers
25 views

One rig, 4 meshes. Animation gets baked only to one of them and doesn't work in Unity

This one has taken me hours of trying and research and finally I decided I should possibly ask for help with it. I'm trying to make a set of simple animations with blinking. Issue: I have 4 meshes (...
0
votes
0answers
13 views

Limit Distance to object non uniformly

I need to constrain an object (an empty controlling the location of an object) to an empty, but I need the limit distances to vary per axis. The limit distance constraint only allows for uniform ...
0
votes
0answers
26 views

How do I make Hinge Joints, like an elbow or knee, restricted in rotation, but have IK?

I'm fairly new to animating in Blender, so I figured it was about time I learn more about constraints and switching between IK and FK. I just recently figured out how to switch between IK and FK, and ...
0
votes
0answers
34 views

Location Constraint Offset In Wrong Position

I would like a bone to copy the location of another bone, but I would also like to be able to manually edit the location later if need be. However, under the copy location constraint, every time I ...
0
votes
1answer
32 views

Limit Rotation Local Space Not Working

I am creating an airplane 3d model and I am rigging the wing flaps. I am using Object Constraints to rig the flaps. I have added an empty as the Rig Controller, and have rotated the Empty so that it ...
0
votes
3answers
93 views

My faces won't fill ( Blender 2.9)

Working on a human character and when i try to add faces to attach the body it wouldn't work .. Tried F , Alt + F. Relatively new to blender. Also tried on a basic cube still won't fill in faces.
0
votes
1answer
23 views

Learning Rigid Body Constraints (Slider & Piston) - Active object keeps passing through passive?

So I'm trying to teach myself some basic rigid body physics with rigid body constraints. I have a 2.83.4 .blend file with several collections (one for each constraint I'm trying to understand) and I'm ...
0
votes
0answers
12 views

Is there any way to restrict the movement of a object to a specific custom plane while maintaining distance?

I want my outer sphere to revolve around the center sphere like earth does to to sun while maintaining same distance and on the given custom plane. I tried using limit distance constraint but it ...
1
vote
1answer
30 views

Where are Blender 2.79 and later rigid body constraint angular limits documented?

Summary I can find no documentation on the frame of reference for defining the rigid body HINGE constraint Z axis rotational limits. Blender defaults these to lower = -45 deg and upper = +45 deg. ...
1
vote
1answer
20 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 ...
0
votes
0answers
40 views

confused with copy rotation

I have 2 plane on top of each other. Im try to rotate the below plane so that the top plane also move up and rotate in the same angle 45 degree as shown below. I try to add a copy rotation constraint ...
0
votes
1answer
17 views

Child of Constraint influence value doesn't recorded as keyframe

I'm trying to make a reload Animation but when i set child of influence of magazine at start of animation at 0 and press I to record keyframes , and at ejecting part of animation when i set it to 1 ...
0
votes
1answer
24 views

Blender Path Deform Bone Contraint Deforms Mesh

I am making a tram model to follow a path, so the "cars" turn naturally. I found this tutorial on Youtube and I have followed it to a "T", but something has gone awry. When I turn ...
2
votes
2answers
64 views

Rigid Body Constraint: how to prevent stretching

I'm trying to use Rigid Body Constraints (type=Fixed) in Blender 2.81 to connect an assembly of rigid and cloth components. a crinoline cage By Crinoline, 1860-1870. Jacoba de Jonge Collection in ...
0
votes
0answers
29 views

How to rotate mesh which has “Clamp To” constraint

I'm trying to use constraints to create animations like in the example: (I used shape keys in this example). I dont want to use shape keys since I want to use the moving parts as a target for the &...
0
votes
1answer
66 views

how to rig a car engine piston [duplicate]

i need some help setting up what is basically the same as a piston in a car engine's cylinder. i know i can just use keyframes and NLA strips but im after a more dynamic approach that wont require a ...
0
votes
0answers
23 views

Bake bone movement

I have added bone constraint to make bone a child of a moving empty. For exporting purposes I need to bake the bone's movement into an action of the bone's armature (so I can delete the empty and ...
0
votes
0answers
20 views

Blender 2.9 Constraints always minimized?

Is there a way to always have all the constraints open ? In the new versions of blender 2.9+ constraint tab always has all the constraints minimized which i find really annoying due to the need of ...
0
votes
1answer
78 views

Bake animation from complicated IK rig to simpler rig for export to Unity

I made a character, gave it 8 animations that look great (as good as I could) in Blender and they break down in Unity. What else is new. The problem has to do with the constraints "fighting" ...
0
votes
1answer
16 views

Simulating piece of cloth between two moving points

I am trying to simulate a piece of cloth with two points of control. The controllers will move towards each other, leaving the straps to loosen and fall on the ground. I want to then animate the ...
1
vote
0answers
47 views

Hi, Is there any way to know how many objects are referencing other object?

Example- I have a object named Master. Master object is used as a reference in many drivers and constraints(like master object rotation is used in some driver and it is also referenced in constraints ...
0
votes
0answers
27 views

How to export animations with bone constraints for Unity?

I'm using Blender 2.82a and I've made first-person arms for a game I'm working on. I had to add bone constraints to avoid the infamous wrist-twisting issue (copy rotation). All of my animations are on ...
0
votes
0answers
30 views

Creating dynamic coordinate vectors

I would like to make an animation similar to this one(This was made on manim). The white line from the origin should be a 3D arrow object tracking the position of the blue cube at every key frame.(The ...
0
votes
0answers
15 views

Not able to set Follow path constraint

i am trying to pan my camera around my Falcon 9 , but the follow path constraint's Target is not listing the curve visible in the photo
1
vote
1answer
23 views

Primitive shapes whose parameters are dependent on their relative postiton

Fist time posting. I love Blender (a hobbyist new user making stills and stuff) but if it is not the right software, feel free to send me off. I'd like to have a sphere and a cone whose base is formed ...
0
votes
0answers
21 views

How to stop eyes clipping through head mesh?

So I created a character using MakeHuman and imported it with its rig into blender. I needed to create a way to control the pupil size so I modeled separate eyes and have the system working. However, ...
0
votes
0answers
5 views

Custom bone controller : parenting/space issues

I've a project in blender wich is driving me crazy. I'm animating an hornet and I'd like to have custom bones acting like controllers for the wings (kind of buttons to drag along axes to get a nice 4 ...
0
votes
0answers
16 views

Armature set up for animation

Ive set up the bone structure. From what i understand is that i can use the inverse kinematics restict the movent along the z and x avis and only allow the pivot along the y axis. But the main big ...
1
vote
0answers
29 views

Old Style fan system bone/armiture set up

I need to animate this old style Indian fan. The crank shaft would need rotate 360 and the flat plane (aka the canvas fan) would need to sway back and forth. I've set up the bone structure. From what ...

1
2 3 4 5
16