Apply a morphing animation to the input manifold. Specify the end
function which will be applied to the vertex positions of the last frame and
linearly interpolated across the length of the overall animation. This
animation will only be shown if this manifold is used directly on a GLTFNode.
Apply a morphing animation to the input manifold. Specify the end function which will be applied to the vertex positions of the last frame and linearly interpolated across the length of the overall animation. This animation will only be shown if this manifold is used directly on a GLTFNode.