Questions tagged [shape-keys]

Questions related to using and manipulating Shape Keys. Shape keys are used to deform objects by transforming the locations of control points over time. There are two kinds of shape keys, Relative and Absolute.

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Can I implement the lattice deformation to an animation? [closed]

I need help. I have a weapon I've created comprised of 5 parts. One of the parts has a lattice with 2 shapekeys. I haven't yet hit apply on the lattice modifier, but it still affects my object. I have ...
4
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1answer
3k views

Shape key morphing between two meshes with different vertices

I am attempting to morph between a base shape and another version of that same shape, however the second version has a few more vertices. Does anyone know of any scripts that could get around this? ...
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1answer
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How to make the shapekey influence separate object's position?

I have a model which consists of the separate body, eyes and jaw meshes. I added a shapekey, which increases the neck's lenght. When I change the shapekey's value to 1 the eyes and jaw stay in the ...
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2answers
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Script to make copies of a shape key, each one with an isolated translate channel

I have been reading Jason Osipa's "Stop Staring - Facial Modeling and Animation Done Right". In the book, there is an interesting Mel script I am trying to port to Blender, so far with no success ...
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1answer
218 views

How to manage the shapekey's position faster?

In a Vertex Groups panel there is a possibility to move the selected group (which lies on the bottom of the list) to the top by clicking the 'down arrow', but in the Shape Keys panel there is not such ...
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1answer
737 views

Standard keyframe animation after soft body/cloth simulation

I would like to know, how to create simple loc/rot/scale animation or constraint animation after cloth simulation (last frame in simulation cache). When i tried that, it moved only origin of mesh, but ...
6
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4answers
8k views

Can I fix broken shape keys after editing basis?

I edited my mesh changing the number of vertices after adding shapekeys, and it get totally messed up when the shapekeys are on. Is there a way to solve this problem without remake the shapekeys all ...
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3answers
1k views

How can animated shape keys be used in the NLA when a character is linked from another .blend?

The character's file has some actions to control a rig (rigify) this works fine in the NLA but shape keys need to be controlled by a mesh. A setup like this: Even the offset (start keyframe) can be ...
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3answers
1k views

Animate a mesh using bones rotations instead of shape keys

I'm using the mesh found in this link which is animated using shape keys. I'm wondering how I can do the same animation but using bones (armature) instead? So if anyone could please advise.
2
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2answers
950 views

Copying and Pasting Fcurve modifiers Through Python

I posted this on blenderartist.org, but to no avail. I want to be able copy the Fcurve modifiers applied to ShapeKey drivers and paste them onto their counterparts on other objects, the other object'...
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2answers
4k views

How to preserve shape keys with decimate modifier?

I want to use the decimate modifier to make some LODs of a mesh, and this mesh has a very huge number of shapekeys which I must preserve. I can't apply the decimate modifier with a mesh with shapekeys....
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1answer
2k views

How can shape keys of a linked object be controlled?

The Properties Panel in a scene file has no tab for mesh when an object is linked to the scene. Can the Shape Keys influenced by a driver or is there some other trick to enable shape keys in the ...
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0answers
338 views

Driving Shape Keys by proximity of an Empty

How can shape keys be driven by an Empty's coordinates relative to the object? I'm guessing this can be done with a Python expression but not sure how to write it. Also, how might we specify the ...
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2answers
3k views

How to change shapekey vertex position through python

I need to change vertex position in a shapekey through python. Is it possible to do? Right now i can only get vertices coordinates. But how to change the vertex coordinate of shapekey? ...
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1answer
183 views

Grab data from every frame with Python API? without using bpy.context.scene.frame_set(frame)

Can you obtain data from multiple frames without using bpy.context.scene.frame_set()? The above command takes too long on my scene, and I also have too many frames, ...
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0answers
790 views

Mirror shape key with own symmetry axis

This one seems a little strange, but I've run into this problem several times while creating shape keys for some objects for motion graphics. I try to animate an object with shape keys, and I need to ...
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0answers
3k views

How to transfer a shape key between different meshes?

As the title says how would I go about transferring a shape key between two different meshes? The meshes I am using have a similar shape and topology (esp. with area that is affected by the shape key) ...
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0answers
588 views

Python: remove driver for deleted shapekey

I'm trying to delete shape key drivers using Python, to clean up scenes. However, I cannot delete some drivers for previously deleted shapekeys: ...
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1answer
785 views

Mesh deform a curve with shape keys

How do I deform a curve or a mesh using the mesh deform modifiers and key frames. Basically, I'm trying to bind the curve to the mesh when the mesh at its Basis key. I then turn up the influence on ...
4
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1answer
787 views

add driver for a shapekey via python?

how can i add a driver for a shapekey via python? shape_keys.animation_data.driver_button_add(True) or ...
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1answer
258 views

Consistent triangulation when exporting shape keys

I am attempting to export objects from blender into .obj format for use in an opengl program I am writing. Currently, I am attempting to create shape keys in blender, then export them, then ...
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0answers
1k views

most simple way to drive shape keys in python via armature object

I'll explain the steps to reproduce the most simple example to allow to update a shape key value from python within the game engine. This is supposedly only possible through an armature object. start ...
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1answer
732 views

Graph editor for shape key animation

I have animation where object changes his shape using shape keys, and I want to make some animation smoothing with graph editor. Is there a way to use graph editor for shape key animation?
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2answers
7k views

How can I create a smooth looping animation for cloth simulation?

I have created a waving flag simulation by pinning a set of points, adding cloth physics, and setting up wind forcefields. The result is just fine when I render the scene except that I want the ...
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2answers
3k views

Can't change shapekey values on a linked mesh?

So, I need to show the same human body in a few different states (like "smile" and "frown"). Yay shapekeys! Unfortunately, when I link this object from the asset file to the rendering file, I have to ...
3
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1answer
7k views

Cannot Apply Array Modifier

Modifier Cannot Be Applied to a mesh with Shape Keys I have built a rollercoaster track, and in order to continue the build without lag, I must apply the Modifiers. Is there a fast and easy way I can ...
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0answers
119 views

How do I Reset Timings on a set of absolute shape keys from python?

I have written some python to create a set of absolute shape keys: ...
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1answer
2k views

Python: how to iterate through and rename shape keys?

I have a model with Japanese characters in the names of objects throughout the model. I've found this script which translates those names into english: https://github.com/toruta39/blender-datablock-...
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1answer
2k views

Using Scripted Expressions for Shape Key Drivers

I am having trouble finding an example of how to use python scripts to drive shape keys, as opposed to using python scripts to move bones which animate the characters mesh through Bone Driven Shape ...
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2answers
15k views

How to keyframe a shapekey

I am trying to animate a simple scene to test the shape key I added to the object but I tried to keyframe the shape key but I couldn't. When I keyframe the object after changing the shape key then I ...
3
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1answer
1k views

Baking fluid sim to shape keys

I've made a fluid simulation and it's working exactly how I want. I would like to save the simulation as a shape key-based animation, mostly so I can do another fluid simulation that interacts with ...
3
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1answer
237 views

Is it possible to insert a keyframe to a metaball element?

I think everything is in the title : I want to deform my metaball object during animation. Let's explain a bit more : I have several metaball objects in my scene, each of them composed of several ...
2
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0answers
429 views

Multiple keyshape animations in BGE

I would like to know how to make two or more keyshapes animate/run in the BGE? For example, I have a face and want to move the left or right eyebrow, or both, by calling the two keyshapes animations ...
5
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1answer
3k views

Why does mesh shrink when using shape keys?

This is the first time I've used shape keys, but from what I understand they should be pretty straightforward. I have the Basis key and I've added an Arms_up shape key, see mesh examples below: ...
3
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1answer
2k views

How to access shapekey driver via Python?

I can access the shapekeys of an object like: bpy.data.objects['mesh'].data.shape_keys.key_blocks And I can get the "shapekeys package" of the object with: <...
6
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1answer
2k views

Morph between different facial expressions?

I want to use Blender to make a dynamic character. I want to know if it is possible to make a number of keyframes for facial expressions and then have the ability (using python's game engine) to ...
5
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1answer
784 views

Get Shape Key from Action or FCurve in Python?

I've been messing around with this for a while and I can't seem to find the connection between fcurves and the specific shape key values they control. I can use something like the following: ...
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3answers
21k views

How to apply shape keys?

I used shape keys to create a middle shape between other two. Can I now remove shape keys and 'apply' them as a modifier to the resulting mesh?
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4answers
16k views

Revert vertex position to Basis Shape Key

How I can revert the position of a single vertex in a shape key to it's position in the Basis Shape Key?