What are the rules of the Animated movies
Squash and stretch
It demonstrates a ball skipping with an inflexible, non-dynamic development. In sample B the ball is "squashed" at effect, and "extended" amid fall and bounce back. The development likewise quickens amid the fall, and backs off towards the zenith (see "moderate in and moderate out"). These rules are applied in Motu patlu as well.
The most essential rule is "squash and stretch", the motivation behind which is to give a feeling of weight and adaptability to drawn articles. It can be connected to basic items, similar to a bobbing ball, or more unpredictable developments, similar to the musculature of a human face. Taken to a compelling point, a figure extended or squashed to an overstated degree can have a hilarious effect. In practical activity, in any case, the most imperative part of this guideline is the way that an article's volume does not change when squashed or extended. On the off chance that the length of a ball is extended vertically, its width (in three measurements, additionally its profundity) needs to contract correspondingly horizontally.
Suspicion is utilized to set up the crowd for an activity, and to make the activity seem more realistic. An artist bouncing off the floor needs to curve his knees initial; a golfer making a swing needs to swing the club back first. The system can likewise be utilized for less physical activities, for example, a character looking off-screen to foresee somebody's landing, or consideration concentrating on an item that a character is going to pick up.