6. Rotoscoping animation
If you want realistic movement of a character within an animation, another technique called rotoscoping can be used.
With rotoscoping, a live actor is filmed doing the actions required - a sword fight maybe. Then the animator takes the video into an animation package and draws around the actor, frame by frame. The animator ends up with a complete set of realistic movements for a character.
The actual animated character is then drawn within the border of the movement. This method has been used extensively in films such as Lord of the Rings to bring a fictional character to life.
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Click on this link: Rotoscoping animation