Arduino Tetris Part 6 - Collision Detection

Rather than checking for various types of collisions, the code checks to see if there are any overlapping bits between two bitmaps before moving the piece. Code is at: https://github.com/hwiguna/g33k/tree/master/ArduinoProjects/HariTetris/_12_CollisionDetection ... https://www.youtube.com/watch?v=cA91Y4Lro20