An excellent article of what made SoTC one of the most impressive games ever to appear on the PS2. Albeit a bit technical, it’s a great read!
“Movement becomes wooden if purely controlled by a program, but also a pre-made animation won’t fit in right. It is the combination which makes it work. When I saw this working in real time, I was more than a little impressed! I think it has become a truly wonderful system to combine the animator and programmer.”
– Fumito Ueda, SCE lead production department