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.
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Maintain Angle Between Bones While Rotating
I would like to rotate the green bones around the cursor like in the video but with a constant angle (90°) between the green bones.
I've already tried the limit rotation constraint with no success.
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Bake actions to use child of constraint
I am a game developer and I am very new to Blender.
I have made a human and gun model in blender. The gun's main bone has a child of bone constraint targeted to humans hand. I have made an animation ...
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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 ...
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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:
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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 ...
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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 ...
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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?
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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 ...
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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 ...
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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 ...
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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 ...
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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.
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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 ...
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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 ...
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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. ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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Can't get mesh to follow path nurb
Video example of the issue on a fresh scene
SOLUTION: When you create a nurbs path and the use the pencil tool to draw it, the original nurbs path still remains and acts as the main path for the ...
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Defining and animating clamp movement
I want to animate these clamps through blender to move and open and close them.
The pins on them are actually in CAD programs when I define them with concentric constraint, but I don't know what kind ...
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Bone rotation offset help
I have a series of bones that I want to rotate using only one bone.
Rules:
The rotation of the effected bones rotate only along x axis
The effector bone has a fall off value
The effector bone slides ...
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Rigging Car Suspension
How would I set something like this up simply? This video demonstrates Rigacar's Suspension. The hierarchy is too complex for me to understand what is happening. When any of the Dampers move, it ...
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Rigid Body Constraint doesn't work
I want to limit the rotation of a physical object on two axes so that it rotates only on the X axis. However, Rigid Body Constraint has no effect. How can I fix this?
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Rotation constraints overwrite inherited scale
I would like to have a track- or rotation-constraint on a child of a scaled and rotated parent. Unfortunately both types of constraints seem to overwrite the inherited scale.
In the example gif below ...
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Transformation (x) constraint not doing what its supposed to do, or is it?
So recently (about 2 weeks ago) I've started working on a tank model I've been wanting to make for a very long time, okay useless information aside, I want a track to work according to this video
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Track empties to rigged+animated characted
So I have this rigged character that does a little dance. I need all the empties to keep their current positions on the mesh for something later. Essentially when the character moves, the empties ...
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weight paint on influence of maintain volume constraint
I'm trying to apply the maintain volume constraint on a part of an object.
So specifically, I want a part of a cube to keep its shape, and another part of that same cube to bulge out (as per maintain ...
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How to use a separate object for collisions
I have an export/import tool for blender and it supports collisions, but not in a Blender-friendly way. I'd like to improve it so that collisions are imported as actual blender collisions that work ...
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Baking Constraint
I have obtained a baked animation project, but I would like to add more animations to it. May I cancel the baking for this project? Do I only need to clear all keyframes after the first frame to undo ...
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3.6 Camera Follow Path, Need to smoothly slow down the camera
I am trying to have my camera follow a bezier circle that's been elongated into an oval, approaching my object of interest. So my camera has two modifiers, Follow Path and Track To. As my camera ...
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Why Does My Camera Rotate?
I can't figure out why the camera rotates when I animate it along a path.
I've built a basic camera rig as follows:
Camera aligned to a curve, with a Track To constraint on an empty to aim the camera
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Mirror expression
How can I rewrite an expression?
I have this expression written by Leander
min(1, max(0, Rest - CL) / max(0.001, FL-CL)) * 0.1
It drives a variable bone from 0 to ...
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In walk navigation, is there a way to prevent camera from walking through objects?
I am recording the camera walk navigation movement (Like a gameplay) and I don't want it to pass through walls and other objects. Is there a way to do that in blender? I also had the idea of adding ...
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Using the Transition Constraint to rotate an object
I'm trying to use the X global rotation of the central object in the screenshot to rotate the Y Local rotation of the object displaying it's local axis markers using the Transition Constraint.
This is ...
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How do I make bunch of collection instances follow along a curve?
I have these certain collection instances, and I want them to make a perfect arc in my frame,
although I tried to manually position them in the scene, it is not giving me the desired results, how do I ...
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How to stop a face from being affected by transformations?
I have a Muscle that I'm using Bendy Bones to transform. and was wondering if there was a way for me to make a face not be effected by it. So it doesn't do this
In ...
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pivot point for guitar's strap
basically i want to add a bone to my rigify rig which take the location data from this strap in the center, (particularly the rotation, and location) so that it can smoothly rotate around the torso ...
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How can I move a Motion Tracked Camera Solve on the timeline?
I motion tracked a scene in blender. I now want to add frames to the beginning of my time line and thought the best way to do that would be add frames to the end and move everything forward along the ...
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Driving average values with limits in blender
I have two blue bones that move freely along the x axis.
I have mulitple red bones that are ment to only move when they are between the blue bones
the red bones when they are inbetween the blue bones ...
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How to make an object follow wavy or bumpy paths?
This is my second time using Blender after the doughnut tutorial.
I managed to create this scene (1st img) by following a tire moving tutorial on YouTube using constraints, and keyframes and parented ...
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Keep a fixed distance between two bevelled surfaces
I'm not sure to use the correct words. Anyway, here what I did:
created a bezier curve
duplicated it
bevelled the original one with the round option (but I should work even with an object)
created a ...
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I'm trying to use the Copy Rotation constraint but the "Mix" property doesn't exist
I'm trying to follow a YouTube tutorial on rigging and animating a book. In the video, he uses the Copy Rotation constraint and changes the "Mix" property to "Add". My version of ...
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