UCSD CSE 169 - Skin (83 pages)

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Skin



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Skin

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Pages:
83
School:
University of California, San Diego
Course:
Cse 169 - Computer Animation

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Skin CSE169 Computer Animation Instructor Steve Rotenberg UCSD Winter 2004 Computer Lab Lab AP M 2444 Combo 0562340 Turning in Place all files in a zip file with your name example steve rotenberg project1 Include all necessary files cpp h dsp dsw on Windows makefile on Linux Include readme txt with any other relevant information problems additional features keyboard controls Use turnin Project 1 Please make the program take an optional skel file name as a command line parameter If no file name is specified it should default to test skel Feel free to pass argc argv to Tester Tester and to simplify Token Open to take just an entire file name Grading 15 points Extra Credit Project 1 Make your own skel file with 10 or more joints and pose it Use DOF limits various box sizes offsets and a nontrivial tree no snakes 1 point Add an interactive interface to the skeleton program Allow the user to select a DOF with the mouse either by picking or from a list and adjust the value interactively Display the selected DOF name and value on the screen 2 points Recommended Reading 3 D Computer Graphics A Mathematical Introduction with OpenGL Buss Appendix A Vectors Chapter 2 Transformations and Viewing Chapter 12 Animation and Kinematics Pose Space Deformation A Unified Approach to Shape Interpolation and Skeleton Driven Deformation Lewis Cordner Fong Skinning Characters Using Surface Oriented Free Form Deformations Singh Kokkevis Matrix Review ABCD Vectors b ax b x M cx d x ay by az bz cy dy cz dz 0 0 0 1 y c d a x z Example Target Lock On For an airplane to get a missile locked on the target must be within a 10 degree cone in front of the plane If the plane s matrix is M and the target position is t find an expression that determines if the plane can get a lock on b c t d a Example Target Lock On We want to check the angle between the heading vector c and the vector from d to t d t c 10 if cos d t 1 We can speed that up by comparing the cosine instead cos 10 985 if d t c 0 985 d t



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