by Minkyung Choi With Maya deformers, you can quickly build and animate deformed surfaces with a high level of control. Switch to the Modeling or the. Sep 28, Join George Maestri for an in-depth discussion in this video Understanding wrap deformers in Maya, part of Maya: Tips, Tricks & Techniques. Feb 11, Maya also brought us the GPU Override mode, which transformed how some of Maya’s built in deformers performed. But what about all.

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Finally, Maya deformers may involve matrix multiplication. This is why I try to do all of my plugin tests using Python and a maya. Translate up the defomers as shown below, then try moving up the base wire. If you need more information deofrmers the functions available to use in your OpenCL, Google is your friend. I tried to keep my GPU deformer in a separate file from my normal deformer.

In reality… it took considerably more effort.

You may animate by using the s key or cluster lattice points to add an animatable node. Hierarchy to select the cluster. Every shrinkwrap deformation contains the the wrapper the object that is deformed and the target the object around which the wrapper is shrunk.

Select the mesh you would like to deform. In all the examples I could find, including the official Autodesk examples, this was done with a member function of MPxGPUDeformer that looked like this: It is not too difficult to do vector matrix multiplication.

Create a cylinder with enough divisions to bend along the length. Switch to the Modeling or the Animation Module for these examples. You are commenting using your Facebook account. Judging by some of the examples in the wild, it seems that some of the behaviors surrounding a GPU deformer changed between Maya and Maya Play it, stop and duplicate shapes you would like to blend between.


Select the mesh you would like to deform, and use shift to select the curve.

Here There Be (GPU) Deformers – Yantor3d

This also lets you write a deformer kn will work in earlier versions of Maya. Select the CVs or vertices you would like to group together. Flare – flares and tapers an object. Your deformer data will need to be reduced down to primitive data types in order to be passed to the GPU. Remove invisible nCloth nodes that mess you up in Unity: Maya brought us the new Parallel Evaluation mode, which transformed how your rigs performed. You may delete the second Sphere.

Here There Be (GPU) Deformers

It is specifically designed to perform morphing tasks, and it has a separate slider editor. You can transpose them before you write them to kn GPU buffer, or transpose them in the kernel. Any modifications you make to reformers curve will affect the deformed object. In this type of mayya, a group set shapes such as certain phonemes or facial expressions need to be readily accessible, editable and blendable.

Nonlinear These are simple functions, but they’re remarkably effective in creating their intended animations and deformations. Cluster Add a node to manipulate translate, rotate, scale for a group of component points as a group. It uses the connectivity between the mesh vertices to preserve the relative lengths between them. Use a curve warp when you want to deform a polygon mesh along the length of a curve.


All you need float4 type and the dot function. Squash – stretches and squashes an object. Notify me of new comments via email.

Use the Rigging Module. Wave – creates circular ripples on an object. Wrap Use a low resolution object to manipulate a higher resolution object. Do this before animating if you are making ceformers blend shape for Unity. Twist – twists an object.

These may also be manipulated for various effects. You are commenting using your Twitter account. Tension T he Tension deformer simulates surface tension without squashing and stretching the surface too much.

You will need to be comfortable with the idea of flat arrays where each contiguous N elements represent a mya algebra type.

An MMatrix reduces to a float[16] array. You can also access blend shape sliders in the Attribute Editor or through the channels in the Channel box. Skip to detormers Maya brought us the new Parallel Evaluation mode, which transformed how your rigs performed. Another problem I ran into was project structure.

Maya creates Lattices around the object and when you transform the influence lattice, the object inside it gets deformed. This refused to compile, giving me a linker error. Finally, it enqueues the OpenCL kernel that will compute the deformation.

You can also skin the lattice to an IK skeleton.