[Algorithms] minkowski sum raycast demo, continuous collision and physics sdk Bullet

[<gd...@er...>]

>Traffic has seemed awfully light recently on gdalgo... 
in case you are bored and have windows machine, watch these demos. 

http://www.continuousphysics.com/p/bullet0.1demos.zip 

Also you can visit my continuous collision detection and physics forum, for 
the source, demos and discussions in that area: 

http://www.continuousphysics.com/Bullet/phpBB2/index.php 

[work in progress] 

Erwin Coumans