this is a good time to "what happens if i do this?" hence not following all the exact codes, in order to further understand what we are really doing, really this is a good tutorial... really good! 5/5
not being able to understand the codes in this tutorial, you won't be able to troubleshoot your way out of your problem, make your own background make your own ship don't use the same width and height and you will find yourself troubleshooting and learning at the same time.
nah reading is the only thing you need to do, understanding the whole codes from the start from zero knowledge ain't that easy. this site just need more people that READS