18-Animation

18-Animation - [depiction of motion] Computer Animation:...

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Unformatted text preview: [depiction of motion] Computer Animation: Overview 1)Scripting 2)Keyframing 3)Kinematics 4)Motion capture/processing 5)Higher level animation [“Procedural”] 6)Dynamics and simulation Example of Scripting Specifying the parameters at every frame define spinningCube() rotAngle = pi*frameNumber / 50 define carScript() carTranslation = 10*(frameNumber / 100) wheelRotation = pi*frameNumber / 5 Keyframing Specify only the important frames, interpolate the frames in-between What and how to interpolate is important Forward Kinematics Given the character’s state, calculate its pose ) ( θ f X = X 1 θ 2 θ + + + + = ) sin( sin ) cos( cos 2 1 2 1 1 2 1 2 1 1 θ θ θ θ θ θ l l l l X Inverse Kinematics Given the character’s pose, calculate its state ) ( 1 X f − = θ X 1 θ 2 θ − − + + + + + − = − 2 1 2 2 2 1 2 2 1 2 2 1 2 2 2 2 1 2 2 2 ) ( cos ) cos ( ) sin ( ) cos ( ) sin ( l l l l y x x l l y l y l l x l θ θ θ θ θ Motion processing (cf. “roto”)Motion processing (cf....
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This note was uploaded on 09/27/2010 for the course CSCI 480 taught by Professor Sathyanaraya during the Spring '08 term at USC.

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18-Animation - [depiction of motion] Computer Animation:...

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