Screen.width additional variable

Question

This is probably some basic stuff, Im following a tutorial to start my RTS and I'm not so good on programming. That said, I comment almost every line of the tutorial's codes to ensure that I understand that line. Eventually, I reached in line that says:

Screen.width - ORDERS_BAR_WIDTH //Where "ORDERS_BAR_WIDTH" is a int constant

I don't understand what that variable is doing there. I visited Unity API but the documentation about "Screen.width" doesn't mention that I can put a variable after it.

Tutorial page where that piece of code is: http://www.stormtek.geek.nz/rts_tutorial/part3.php

It's on the "DrawOrdersBar()" creation.

Thanks.

Answer 1

Best Answer

Answer by Strixie13 · Jul 22, 2018 at 12:46 AM

Screen.width is simply the length of the users screen returned as a number. There are no rules to what you can put before or after it as long as everything is proper syntax.

Now, that tutorial looks super outdated and I would recommend using another. Unity overhauled their GUI system. You used to have to write out most of the measurements in code, so knowing the screen width would help with that. In this case, it looks like they are subtracting the length of a GUI element's width from the total of the screen, which would give you the numbers required to center it. For example, if the screen was 100 wide and the box was 50 long, you would have 25 on either side to center it.

Look at the new GUI system. It lets you scale up elements and anchor them to the screen without having to do any code. Should be under Unity's general tutorials, or there would be some on YouTube.

Add comment · Show 3 · Share

gabrimo · Jul 22, 2018 at 02:54 AM 0

Share

I know that its outdated, but I only need a prototype for now and I didn't find any complete free tutorials with that style of game (with newer versions of Unity at least). Plus, the guy who made the tutorial seems have a good knowledge and organization. If you know a tutorial that is recent and good, feel free to tell me about it..

Thanks for the answer.

gabrimo gabrimo · Jul 22, 2018 at 03:04 AM 0

Share

Searched a little more and found this:

https://www.youtube.com/watch?v=0aFP4rmrNgc&t=1s

I'll take a look, it has positive feedback and is very recent. Probably will have more useful content.

Strixie13 gabrimo · Jul 22, 2018 at 12:12 PM 0

Share

These are the tutorials I was talking about for Unity. They go over all of the basics of the "new" UI system. https://unity3d.com/learn/tutorials/s/user-interface-ui

Screen.width additional variable

1 Reply

Your answer

Welcome to Unity Answers

Follow this Question

Related Questions