Hi there,
I just recently made a pair of pants and shoes in blender 2.91 stable and I have a surface deform modifier on one of the flaps and on the shoe laces to move them along with the rig. The surface deform modifier works just fine in the viewport but the objects snap back to its original possition when rendered in cycles.
Here are some images.
Are the doubled up surface deforms for different levels of subdivision? Naming is weird in that case.
But in case, double check your render vs preview settings of subdivision on the target objects. Default subdiv is 1 preview, 2 render, and then the surface deform binds to a target with the preview levels and breaks on the render levels.
Yes the doubled up surface deforms are for different subdivisions.
That is interesting, I will take a look into that. That is a big possibility. Thank you.
I just had this issue and solved it when I realized I was using a mesh mask on the target object after the subdivision surface modifier.
So in effect the binding was to the subdivided mesh, but apparently it does not take the mask into account when binding if the mask comes after the subdivision. So the solution was to mask ahead of the subdivision. The mask is in effect taking away points from the model so that accounted for it breaking in the render.
So the simple way of thinking of it is -
Target Object:
Mesh
Mask to take away points =
Result number of polygons to subdivide.
Subdivision surface - adding more points =
Result number of points to bind at render time same as in other views.
Surface Deform Modifier Binds to these final points if both subdivision modifiers (bound object and target object) used have the same display and render subdivision levels.
