To freeze based on a paint layer
) and select Freeze from Selected.
The mesh is frozen based on the levels of luminance in each area. Areas of low luminance (black) receive more freezing, and areas of high luminance (white) less freezing. Areas with no paint (transparent areas) are completely frozen.
Adjust Color) and set Greyscale to Use luminance. Click Cancel when you're finished previewing the luminance values.
