Simple Intersection Tests
A Sphere-Plane Sweep Test
http://www.gamasutra.com/view/feature/3383/simple_intersection_tests_for_games.php?page=1
A Sphere-Sphere Sweep Test
http://www.gamasutra.com/view/feature/3383/simple_intersection_tests_for_games.php?page=2
An Axis-Aligned Bounding Box (AABB) Sweep Test
http://www.gamasutra.com/view/feature/3383/simple_intersection_tests_for_games.php?page=3
A Box-Sphere Intersection Test
http://www.gamasutra.com/view/feature/3383/simple_intersection_tests_for_games.php?page=4
An Oriented Bounding Box (OBB) Intersection Test
http://www.gamasutra.com/view/feature/3383/simple_intersection_tests_for_games.php?page=5
An OBB-Line Segment Test
http://www.gamasutra.com/view/feature/3383/simple_intersection_tests_for_games.php?page=6
A Box-Plane Intersection Test
http://www.gamasutra.com/view/feature/3383/simple_intersection_tests_for_games.php?page=7