History of Animation - Seoul National...
Transcript of History of Animation - Seoul National...
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History of Animation
Jehee Lee Seoul National University
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What is Animation
• Animation is about making things move
• (Merriam-Webster’s) A motion picture made by photographing successive positions of inanimate objects – cf). Live action movie
• Computer allows more flexibility – Eg). Special effects, Interactive animation
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Early Animation Devices
• Flipbooks • Stop motion (puppet, clay) • Cel animation • Chalk animation • Silhouette animation
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A Brief History of Animation• 1887: Goodwin invented nitrate celluloid film • 1892: Reynard invented the Praxinoscope • 1889: Reynaud invented Theatre Optique
• 1893: Edison invented the Kinetscope – Only one viewer at a time
• 1894: Lumiere invented the cinematograph – Camera + Projector + Printer
http://youtu.be/Ez_UJAafRMs
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A Brief 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
A resource for early animation : http://memory.loc.gov/ammem/oahtml/oahome.html
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A Brief History of Animation
• 1925: “The Adventures of Prince Achmed” – Lotte Reiniger, 1st feature animation – Silhouette animation
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A Brief History of Computer Aniamtion
• 1885: CRT (Cathode Ray Tube) • 1960: William F. Boeing coins “Computer Graphics” • 1961: John Whitney, Intro to Alfred Hitchcock’s Vertigo [vertigo1.avi] • 1961: Spacewars, 1st video game • 1963: Ivan Sutherland, Sketchpad • 1974: z-buffer, Ed Catmull • 1975: Phong shading • 1980: Tron, 1st feature film by CG (tronBike.avi)(tronTransfer.avi) • 1986: Luxo Jr. nominated for Oscar (ljr_320.mov) • 1995: Toy Story, 1st full CG feature film
Short films of Pixar :
http://www.pixar.com/shorts/index.html
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A Brief History of Computer Aniamtion
• 1885: CRT (Cathode Ray Tube) • 1960: William F. Boeing coins “Computer Graphics” • 1961: John Whitney, Intro to Alfred Hitchcock’s Vertigo [vertigo1.avi] • 1961: Spacewars, 1st video game • 1963: Ivan Sutherland, Sketchpad • 1974: z-buffer, Ed Catmull • 1975: Phong shading • 1980: Tron, 1st feature film by CG (tronBike.avi)(tronTransfer.avi) • 1986: Luxo Jr. nominated for Oscar (ljr_320.mov) • 1995: Toy Story, 1st full CG feature film
Short films of Pixar :
http://www.pixar.com/shorts/index.html
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A Brief History of Computer Aniamtion
• 1885: CRT (Cathode Ray Tube) • 1960: William F. Boeing coins “Computer Graphics” • 1961: John Whitney, Intro to Alfred Hitchcock’s Vertigo [vertigo1.avi] • 1961: Spacewars, 1st video game • 1963: Ivan Sutherland, Sketchpad • 1974: z-buffer, Ed Catmull • 1975: Phong shading • 1980: Tron, 1st feature film by CG (tronBike.avi)(tronTransfer.avi) • 1986: Luxo Jr. nominated for Oscar (ljr_320.mov) • 1995: Toy Story, 1st full CG feature film
Short films of Pixar :
http://www.pixar.com/shorts/index.html
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A Brief History of Computer Aniamtion
• 1885: CRT (Cathode Ray Tube) • 1960: William F. Boeing coins “Computer Graphics” • 1961: John Whitney, Intro to Alfred Hitchcock’s Vertigo [vertigo1.avi] • 1961: Spacewars, 1st video game • 1963: Ivan Sutherland, Sketchpad • 1974: z-buffer, Ed Catmull • 1975: Phong shading • 1980: Tron, 1st feature film by CG (tronBike.avi)(tronTransfer.avi) • 1986: Luxo Jr. nominated for Oscar (ljr_320.mov) • 1995: Toy Story, 1st full CG feature film
Short films of Pixar :
http://www.pixar.com/shorts/index.html
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How to Create Expressive Animation ?
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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.
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Twelve Principles
• Squash and Stretch • Anticipation • Staging • (Pose to Pose) • Follow Through • Slow In, Show Out
• Arcs • Secondary Action • Timing • Exaggeration • (Solid Drawing) • Appeal
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Squash and Stretch
• Movement emphasizes rigidity – Preserve volume
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Timing
• Timing, or the speed of an action gives meaning to movement – Weight, Scaling, Emotion
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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 good looking girl – … – TEN: stretch a sore muscle
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Anticipation
• The preparation of an action – Revealing – Indicating Speed – Directing Attention
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Follow Through
• The termination of an action – Weight and drag – Initiation – Overlapping
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Staging
• Staging is the presentation of an idea so that it is completely and unmistakably clear. – Readability – Personality – Mood
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Slow In, Slow Out
• The spacing of the inbetweens – Non-linear interpolation
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Arcs
• The visual path of action from one extreme to another is always described by an arc
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Secondary Action
• A secondary action is an action that results directly from another action
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Exaggeration
• Exaggerate the essence of the action – Action, emotion, shape, color, sound, …
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Appeal
• The animated character has appeal – A quality of charm – Pleasing design – Simplicity
• It doesn’t mean that the character/animation should be realistic
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Uncanny Valley
• Human psycological reaction to animation – Coined by Japanese roboticist Masahiro Mori – Emotional response against similarity to human
appearance and movement
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Computer Graphics for Animation
• What can the computer do for the principles ? – Keyframing: Timing, Arc, Slow In & Out – Geometric deformation: Squash and Stretch – Physically based techniques: Secondary Action – Rendering: Staging