Because you have to do frame by frame movements and depending on how smooth you want your animation to be would depend on how many frames are required.
Answer:
i want to help you but 1 cant understand
Explanation:
Giotto was one of the pioneers of using the naturalistic approach to painting. Giotto di Bondone, which is his full name, was one of the first Renaissance artists to emerge right after the Late Middle Ages. He started his stardom in Florence which he inspired other artists like the famous Michaelangelo.
Technically it's all both