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Computer Animation

Lecture #2. Computer Animation. History of Animation. Oh-young Song Sejong University. Related Courses. Computer Graphics Handling the basics Focusing on realism Virtual Reality Focusing on Immersion Human Computer Interaction Focusing on Interaction. Early Animation.

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Computer Animation

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  1. Lecture #2 Computer Animation History of Animation Oh-young Song Sejong University

  2. Related Courses • Computer Graphics • Handling the basics • Focusing on realism • Virtual Reality • Focusing on Immersion • Human Computer Interaction • Focusing on Interaction

  3. Early Animation • Do you know this?

  4. How about these? Zeotrope - 1834 Phenakistiscope - 1832

  5. Maybe you know this. Kineograph (flipbook) - 1868

  6. From Lasseter’s Paper

  7. From Lasseter’s Paper

  8. From Lasseter’s Paper

  9. From Lasseter’s Paper

  10. From Lasseter’s Paper

  11. A History of Animation • 1887: Goodwin invented nitrate celluloid film (For cell animation)

  12. A History of Animation • 1887: Goodwin invented nitrate celluloid film • 1892: Reynard invented Praxinoscope

  13. A History of Animation • 1887: Goodwin invented nitrate celluloid film • 1892: Reynard invented Praxinoscope • 1893: Edison invented the Kinetscope • Only one viewer at a time • 1894: Lumiere invented the cinematograph • Camera + Project + Printer

  14. A History of Animation • 1900: THE ENCHANTED DRAWING • Live action films + replacement technique • 1906: HUMOROUS PHASES OF FUNNY FACES • The first animation recorded frame by frame http://memory.loc.gov/ammem/oahtml/oahome.html

  15. A History of Animation • 1925: “The Adventures of Prince Achmed” • Lotte Reiniger, 1st feature animation • Silhouette animation

  16. A History of Computer Animation • 1885: CRT (Cathode Ray Tube) • 1960: William F. Boeing coins “Computer Graphics” • 1961: John Whitney, “Father of Computer Graphics”

  17. John Whitney

  18. A History of Computer Animation • 1885: CRT (Cathode Ray Tube) • 1960: William F. Boeing coins “Computer Graphics” • 1961: John Whitney, “Father of Computer Graphics” • w/ Saul Bass, Intro. to Alfred Hitchcock’s Vertigo • 1961: Spacewars, 1st video game • 1963: Ivan Sutherland, Sketchpad

  19. Sketchpad • Created by Ivan Sutherland (1963) • Sketchpad: A man-machine graphical communication system

  20. Sketchpad • Created by Ivan Sutherland • First GUI • Using lightpen • Icons • Copying • Rubber-banding of lines • Zoom in-out • Line, Arc

  21. A History of Computer Animation • 1974: z-buffer, Ed Catmull • 1980: Tron, 1st feature film by CG

  22. A History of Computer Animation • 1974: z-buffer, Ed Catmull • 1980: Tron, 1st feature film by CG • 1986: Luxo Jr. • 1987: nominated for Academy Awards • 1987: Silver Berlin Bear in Berlin International Film Festival • 1995: Toy Story, 1st full CG feature film

  23. Short films of Pixar • http://www.pixar.com/shorts/

  24. How to CreateExpressiveAnimation ? • Bill Tytla at the Walt Disney Studio, June 28, 1937. • "There is no particular mystery in animation.., it's really very simple, it is about the hardest in the world to do"

  25. Principles of Animation • “The Illusion of Life”, by Thomas Johnson and Ollie Johnson

  26. Principles of Animation • “The Illusion of Life”, by Thomas Johnson and Ollie Johnson • Principles of Traditional Animation Applied to 3D Computer Animation, John Lasseter, Siggraph 87.

  27. Squash and Stretch Timing Anticipation Staging Follow Through Pose to Pose Slow In, Show Out Arcs Exaggeration Secondary Action Appeal 11 Principles

  28. Squash and Stretch • Movement emphasizes rigidity • Preserve volume

  29. Squash and Stretch

  30. Squash and Stretch

  31. Squash and Stretch

  32. Timing • Timing, or the speed of an action gives meaning to movement • Weight, Scaling, Emotion

  33. Timing • Two keyframes of a head • No: hit by a tremendous force • ONE: hit by a frying pan • TWO: nervous tic • THREE: dodging a brick • FOUR: a crisp order “Move it!” • FIVE: friendly “Come on-hurry” • SIX: tracing a pretty girl • SEVEN: Getting a better look • EIGHT: Searching for the peanut butter • NINE: Considering thoughtfully • TEN: stretch a sore muscle

  34. Anticipation • The preparation of an action • Revealing • Indicating Speed, Weight • Directing Attention

  35. Aniticipation

  36. Anticipation

  37. Anticipation

  38. Staging • Staging is the presentation of an idea so that it is completely and unmistakably clear. • Readability • Personality • Mood

  39. Follow Through • The termination of an action • Weight and drag • Initiation • Overlapping

  40. Pose-to-Pose • Keyframes

  41. Slow In, Slow Out • The spacing of the inbetweens • Non-linear interpolation

  42. Slow In, Slow Out • The spacing of the inbetweens • Non-linear interpolation

  43. Arcs • The visual path of action from one extreme to another is always described by an arc

  44. Arcs

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