AnalyticalGraphicsInc/cesium — pull request #374 by bagnell (2012-12-12 00:40:10+00:00)
Title: Camera flight exception

Use linear interpolation for flights with only two control points (only the height varies). Creating a flight with the same start and end points doesn't throw an exception because I guess someone might want to create an animation where only the orientation changes. Apps should check for this case if they want to ignore it.

This fixes #368.