A major part of gameplay is making sure objects are at the right places at the right times. This means you must understand the mechanisms behind how objects in a scene are placed at a particular position. You need to know how to do stuff like program a door to swing open when activated, or calculat…

Maybe try this book. Start building a game. A book is a good resource because it has a start and finish to accomplish a goal, rather than trying to make the next big video game and wondering where to start and where to get your next answer.

https://www.amazon.com/Beginning-Game-Programming-program-b…