I took a screen snip of the node and blend mode in question. I have a blendshape in my skeletal mesh and would like to use this node to control my BS. It works fine with the default apply mode Blend.
My understanding of the WMA mode is that if I put a value 1 into the BS pin and 0.5 into the alpha, it would be 0.5 at the first frame, 0.75 at the second frame, 0.875 at the third frame, etc. Eventually, the weight should be infinitely close to 1. This would be an easy way to get a simple fade-in effect.
However, my test result is, when I use WMA mode, it doesn’t work at all. No matter the BS and alpha value, the BS simply doesn’t change.
My question is just how does it work? What’s it for? Can I get a simple example illustrating the function of this apply mode?