Sack Drop

An interesting challenge involving perspective, weight, anticipation, and a LOT of inbetweens. I started by animating the sack rotating at a constant speed. As the sack spins the corners rotate in a circular motion, but this is distorted by perspective to become an ellipse. The nearer the the rotation is to the horizon line the flatter the ellipse is. When plotting the the points of a constant speed along the ellipse, there will be more frames nearer the two edges because of perspective distortion.

After animating the sack at a constant rotation, I heavily modified the X-Sheet in Pencil Check to create a more natural rotating back and forth, slowing down. This builds up anticipation whilst keeping the movement natural.

I am pretty content with how this exercise turned out; however there are a few minor tweaks that could be made to improve it. The biggest one being that the tassles on the top of the back are very flat. They look like doritos attached by the corners and they don't feel like 3-Dimensional objects.