IAD1143 Introduction to Multimedia

1. IAD1143Introduction to Multimedia Part 7 - animation

2. Part 7Principles of Animation • Animation is the rapid display of a sequence of images of 2-D or 3-D artwork or model positions in order to create an illusion of movement. • Biological phenomenon – persistence of vision. • An object seen are mapped on the human’s eye. • Many object shown/moved – the mind perceived as action.

3. Part 7Animation by Computer • Types of computer animation: • 2 dimensional (2D) • 3 dimensional (3D)

4. Part 72 Dimensional Animation • Path animation • Provide motion. • Changes locations, shapes, colors and/or sizes. • 2 dimensional animation (2D) • Visual changes on a flat X & Y screen. • Position does not change. • Example: changing button when we rolled-over our mouse on it.

5. Part 72 Dimensional Animation

6. Part 72½ Dimensional Animation • An illusion of depth (z-axis). • Adding shadow and highlighting.

7. Part 73 Dimensional Animation • Images are calculated along the x, y and z-axis. • Allowing the object or image to be seen from: • Front • Back • Side • Top • Bottom • Any view from the viewer.

8. Part 7Animation Techniques • Cel animation • “Cel” came from celluloid sheets • Begins with keyframes (1st and last action). • Tweening – calculating the number of frames between keyframes.

9. Part 7Animation Techniques

10. Part 7Animation Techniques • Computer animation • Employ the same logic and procedure as cel animation. • Basic drawings is needed – the the computer takes over. • Able to produce 2D, 2½D & 3D animation. • Software: 3D StudioMax, Maya, Extreme 3D.

11. Part 7Animation Techniques • Kinematics • A study of the movementand motion of structure that have joints. • Inverse kinematics – the process which you link objects such as hands to arms.

12. Part 7Animation Techniques • Morphing • A transition from one shape into another. • Can be done for still images and moving pictures also (video).

13. Part 7Animation Techniques

14. Part 7Animation Techniques • Stop-motion animation • Physically manipulating real-world objects and photographing them one frame of film at a time to create the illusion of movement.

15. Part 7Animation Techniques

16. Part 7Animation Techniques • The figures may have an armature or wire frame inside of them, similar to the related puppet animation, that can be manipulated in order to pose the figures. • Clay animation • Often abbreviated as claymation. • Uses figures made of clay or a similar flexible material to create stop-motion animation.

17. Part 7Animation Techniques • Cutout animation • A type of stop-motion animation produced by moving 2-dimensional pieces of material such as paper or cloth. • Moved frame-by-frame.

18. Part 7Animation Techniques

19. Part 7Animation Techniques • Model animation • Refers to stop-motion animation created to interact with and exist as a part of a live-action world. • Intercutting, matte effects, and split screens are often employed to blend stop-motion characters or objects with live actors and settings.

20. Part 7Animation Techniques • Sand animation • Sand is moved around on a backlighted or front lightedpiece of glass to create each frame for an animated film. • This creates an interesting effect when animated because of the light contrast.

21. Part 7Animation Techniques

22. Part 7Animation Techniques • Flip books are not always separate books, but may appear as an added feature in ordinary books or magazines, often in the page corners. • Flip book • A book with a series of pictures that vary gradually from one page to the next, so that when the pages are turned rapidly, the pictures appear to animate by simulating motion or some other change. • Flip books are often illustrated books for children • May also be geared towards adults and employ a series of photographs rather than drawings.

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