Introduction - If you have any usage issues, please Google them yourself
Tetris rotation principle and VB source, author: Yin strong role module.bas file BitBlt function is: Bit operation bitmap realize irregular block action. In addition, there is also a lot of Tetris game written methods and modules, such as the box is filled with judgment, if a line has been filled, the entire image above this line moves down a bit, if the current box vertex position <= 0, then all piled may also determine whether the flip box, whether left, right, up, move down randomly select a graphic form into the next block from the 7 box, etc.