Collision(충돌)

///// Rect:Rect Collision (사각형:사각형 충돌)

AABB(Axis-Aligned Bounding Box)

///// Circle:Circle Collision (원:원 충돌)

///// Rect:Circle Collision (사각형:원 충돌)

///// (Rotated) Rect:Rect Collision ((회전한)사각형:사각형 충돌)

OBB(Oriented Bounding Box)

SAT(Separating Axis Theory)

///// 참고

Separating Axis Theorem (SAT) Explanation:

http://www.sevenson.com.au/actionscript/sat/

2D collision detection:

https://developer.mozilla.org/en-US/docs/Games/Techniques/2D_collision_detection

OBB 충돌 처리:

http://blog.naver.com/lobo_prix/220108641065

OBB 충돌( Oriented Bounding Box Collision ):

http://blog.naver.com/juniorking/80204926512

사각형의 충돌체크:

http://egloos.zum.com/hellzblog/v/2368205