Twixt animation system

{{Short description|3D computer animation}}

Twixt was a 3D computer animation system originally created in 1984 by Julian Gomez at Sun Microsystems.{{cite journal |last1=Gómez |first1=Julian E. |title=TWIXT: A 3D animation system |journal=Computers & Graphics |date=January 1985 |volume=9 |issue=3 |pages=291–298 |doi=10.1016/0097-8493(85)90056-1 }}

It featured keyframes and tweening in a track-based graphical interface, and was capable of real-time wireframe playback.{{cite book|author1=Nadia Magnenat-Thalmann|author2=Daniel Thalmann|title=Computer Animation: Theory and Practice|url=https://books.google.com/books?id=l9-oCAAAQBAJ&pg=PA26|date=6 December 2012|publisher=Springer Science & Business Media|isbn=978-4-431-68105-2|pages=26–}} An Apple Macintosh port, called MacTwixt, was the first known 3D animation software to be released for the Macintosh. It was used by Apple's Advanced Technology Group (including future Pixar principals John Lasseter, Andrew Stanton, and Galyn Susman) to create the 1988 short film Pencil Test.{{Cite book |title=The Art and Science of Computer Animation |isbn= 9781871516715|access-date=19 May 2020 |url= https://books.google.com/books?id=DMHJgz91_88C&q=twixt+animation&pg=PA261|last1= Mealing|first1= Stuart|year= 1998}}{{Cite book |title=State-of-the-art in Computer Animation |date= 6 December 2012|isbn= 9784431682936|access-date=19 May 2020 |url= https://books.google.com/books?id=fHCrCAAAQBAJ&q=twixt+animation&pg=PA207|last1= Magnenat-Thalmann|first1= Nadia|last2= Thalmann|first2= Daniel}} Twixt was maintained until 1987 by Cranston/Csuri Productions, and used in their animated television and advertising projects.{{cite web|url=https://design.osu.edu/carlson/history/lesson6.html#ccp|title=A Critical History of Computer Graphics and Animation|last=Carlson|first=Wayne|publisher=Ohio State University|work=OSU Dept. of Design|accessdate=2015-07-24}}