This practice will be retired on May 31, 2020.
Solution: Tower Defense Game1:12 with Pasan Premaratne
Okay, so I said there were two ways to do this. 0:00 One was, we can break this down into the individual steps and 0:02 that makes it fairly easy. 0:06 So here I got the distance between x, I use the subtraction operator to get that 0:07 distance, and then we square the distance so we multiply this value by itself. 0:12 We repeat that for the y values. 0:18 We add those two together. 0:21 And then we put them here in the square root, between these parenthesis here, 0:22 like I mentioned to get the final value. 0:27 So the distance between our two points is 4.47 whatever the units. 0:29 Now, the other way to do it was all in one single line using the correct precedence 0:34 and using parentheses to define that precedence accordingly. 0:39 So, I've added a comment here so it doesn't execute but 0:42 if I remove this, you'll see that the code runs and it is the exact same value but 0:45 this is all in one line. 0:49 Now obviously, I would go with this approach if I were you, 0:51 because this is a bit more readable. 0:55 So until you understand what's going on here, this is all unnecessary. 0:57 And there's ways down the road, once you learn how to write more code, 1:01 there's ways to improve this, so it's not so unreadable, basically. 1:05 Okay, so hopefully, you got that right. 1:09
You need to sign up for Treehouse in order to download course files.Sign up