Download Computer Animation: Interactive vs. Non-Interactive Graphics and Animation Techniques and more Papers Computer Science in PDF only on Docsity! 1 1 Computer Animation Intro 2 Today’s Topics Interactive vs. Non-Interactive Graphics Introduction to Computer Animation 2 3 First – OpenGL Wrapup Lots more functionality Textures Buffer operations Shadows Curves & Surfaces, etc. Other Graphics APIs Direct3D 4 First – OpenGL Wrapup Higher Level Interactive Graphics APIs Retained mode SGI Inventor, Java3D Scene Graph APIs – Chapter 9 Geometry, Transforms, Materials, Separators Great for rapid prototyping Performance hit over OpenGL Non-Interactive API’s Renderman – shaders, photorealism POVRay, etc. 5 9 Examples Flipbook Stop motion 3D movie 10 Digital Production Pipeline Story, story, story Visual Development Character Design Storyboards Scene Layout Modeling Voice Animation Shading and Texturing Lighting Rendering Post Production Animatics 6 11 Story Different types of stories beginning/middle/end (drama) Midnight Mischief sequences built around a situation Mickey mouse String of Gags Roadrunner Story is the most important part of any animation 1 big, simple idea the story you can tell in 2 sentences John Lasseter is one of the best!!! Warner Bros: RoadRunner Disney: The Lion King 12 Visual Development Develop style or Look and Feel Includes the creation(2D) of characters environments (desert, swamp), props, etc. Involves painters, sculptors, illustrators, etc. 7 13 Character Design Characters are perhaps the second most important part Consists mostly of drawings, or sculptures body poses facial expressions key features from multiple points of view 14 Character Design 10 19 Modeling Create geometric models of environment, props, characters Keep in mind the ultimate purpose of the model – feature film, game, etc. Set up internal skeleton and animation handles 20 Animation Make them move! Test them out at daylies (sp?) Put scenes into animatic 11 21 Shading and Lighting Give color to your scenes and your characters Add lighting that reflects the story Lighting and color go hand in hand! Paint and apply textures 22 Rendering START EARLY!!! Some frames can take several minutes to render You will be rendering 900 frames for a half minute of animation Use a 720 x 486 resolution 12 23 Toy Story Rendering 77 minutes = 110, 064 frames 800,000 machine hours of rendering 1 terabyte of disk space 3.5 minutes of animation produced each week (max) Frame Renders: 45 min – 20 hours 110 suns operating 24-7 (300 cpus) 24 Post Production Sound track sync Titles Cuts and effects (dissolves, fades, etc) Tools: Adobe Premiere
