Mobile Development Archives - El Coderino - Web Development, Tips & Tech

Unity 2019 error: Feature `out variable declaration’ cannot be used because it is not part of the C# 4.0 language specification

After upgrading Unity editor from 2017 to 2019 you might get some of these errors when you update your old project and hit play:

…/Library/PackageCache/com.unity.textmeshpro@2.0.1/Scripts/Runtime/TMPro_UGUI_Private.cs(1865,73): error CS1644: Feature `out variable declaration’ cannot be used because it is not part of the C# 4.0 language specification

…/Library/PackageCache/com.unity.textmeshpro@2.0.1/Scripts/Runtime/TMPro_Private.cs(1916,130): error CS1644: Feature `out variable declaration’ cannot be used

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Gideros Mobile Tutorial 7: Classes & Inheritance

So far we put all the code in one file. In previous example if we wanted to add more balls we would have to add several lines of code for every ball we add – like creating new bitmap, setting new position, anchor etc. Even the functions

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Gideros Mobile Tutorial 5: Events

So far we only displayed some graphics on the screen, we even animated (not real animation though, just rotation of one bitmap) it but there was no user interaction at all. We had one event in Tutorial 4 but it was not really explained in details what it does.

Events and addEventListener

With events we handle

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Gideros Mobile Tutorial 4: Graphics

Textures, bitmaps and sprites

Most of the games use graphics so let’s learn how to display it on the screen and apply some transformations to it. You will also meet 3 new object types: textures, bitmaps and sprites.

Texture – class that is used to load an image file. You can’t really do much with […]