In the two previous part, we built a half of project, but the most important that need to do in this project is: kill the monsters by the bullets shot out. How to do? With previous version Engine 1.x, 2.x when building physical collision among objects is not correct, so calculation of coordinator, array, and many kinds of vectors, is very difficult. However, now in this third part, that task is very simple with only some commands. Now,...
