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Cannot Modify A Value Type Return Value Of Consider Storing The Value In A Temporary Variable


If you can avoid mutating a value type, do so. –Eric Lippert Nov 17 '09 at 15:55 add a comment| 5 Answers 5 active oldest votes up vote 97 down vote Product catalog Total distance traveled when visiting all rational numbers Execute bash script from vim Underbrace under nested square roots Tank-Fighting Alien Would we find alien music meaningful? I think you can solve this by removing the Origin property and instead use a public filed, yes I know it's not a nice solution. How do we assign an initial value to a lookup field in sharepoint add in? weblink

Consider storing the value in a temporary variable using UnityEngine; using System.Collections; public class MYCLASSNAME : MonoBehaviour { int rotationSpeed= 100; int jumpHeight= 8; bool isFalling = false; void Update () Execute bash script from vim more hot questions question feed lang-cs about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life The other solution is to not use the Point, and instead create your own Point type as an object. If you modify a member of that returned copy then you're doing something completely useless, because the copy is now completely separate from the original memory it was copied from.

Cannot Modify A Value Type Return Value Of Consider Storing The Value In A Temporary Variable

It would have been easier had C# not provided the default constructor for a struct by default (in that case I strictly have to pass both X and Y to specific Hmm... How do pilots identify the taxi path to the runway?

If you are writing client code, you can resolve the error by creating your own instance of the struct, modifying its fields, and then assigning the entire struct back to the Not that you need not make your structs immutable, but just giving additional info: struct Point { public int X { get; set; } public int Y { get; set; } Login Create account Language Chinese Spanish Japanese Korean Portuguese Ask a question Spaces Default Help Room META Moderators Topics Questions Users Badges Home / 1 Question by smithr3339 · Oct 20, Quaternion Unity For troubleshooting common problems with Unity 5.x Editor (including Win 10).

Dev centers Windows Office Visual Studio Microsoft Azure More... Cannot Modify The Return Value Of Unityengine Transform Position Because It Is Not A Variable We appreciate your feedback. Join them; it only takes a minute: Sign up Why am I getting this error in Unity3D? http://stackoverflow.com/questions/18927720/unity-cannot-modify-a-value-type-return-value-of-unityengine-transform-positi Should I allow my child to make an alternate meal if they do not like anything served at mealtime?

Browse other questions tagged c# unity3d or ask your own question. Unity Transform How do I handle this? Click here for more details! Oh well.

Cannot Modify The Return Value Of Unityengine Transform Position Because It Is Not A Variable

The compiler detects this and gives you an error since this operation is entirely useless. http://stackoverflow.com/questions/32688791/cannot-modify-a-value-type-return-value-of-unityengine-material-color-for-chan To resolve this error, store the result of the expression in an intermediate value, or use a reference type for the intermediate expression. Cannot Modify A Value Type Return Value Of Consider Storing The Value In A Temporary Variable Advisor professor asks for my dissertation research source-code Why is this C++ code faster than my hand-written assembly for testing the Collatz conjecture? Cannot Modify A Value Type Return Value Unity Execute bash script from vim Inequality caused by float inaccuracy Tank-Fighting Alien I just started my first real job, and have been asked to organize the office party.

Need to change cash to cashier's check without bank account (Just arrived to the US) Tank-Fighting Alien Operator ASCII art How to install Mediawiki in Ubuntu Was a massive case of have a peek at these guys Why is this C++ code faster than my hand-written assembly for testing the Collatz conjecture? What is the temperature of the brakes after a typical landing? Learning resources Microsoft Virtual Academy Channel 9 MSDN Magazine Community Forums Blogs Codeplex Support Self support Programs BizSpark (for startups) Microsoft Imagine (for students) United States (English) Newsletter Privacy & cookies Cannot Modify The Return Value Of Because It Is Not A Variable

Ballpark salary equivalent today of "healthcare benefits" in the US? Consider storing the value in a temporary variable" void Frozen(){ if (frozen){ freezeXVel = rigidbody2D.velocity.x; freezeYvel = rigidbody2D.velocity.y; rigidbody2D.isKinematic = true; } if (!frozen){ rigidbody2D.isKinematic = false; //THE ERROR IS ON asked 2 years ago viewed 582 times active 2 years ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Related 4How do I make a camera follow an object in check over here What should i do?

if you modify it directly, the 'NEW' Vector3 is modified, 'NOT' the Transform.position property. See ASP.NET Ajax CDN Terms of Use – http://www.asp.net/ajaxlibrary/CDN.ashx. ]]> jump to contentmy subredditsannouncementsArtAskRedditaskscienceawwblogbookscreepydataisbeautifulDIYDocumentariesEarthPornexplainlikeimfivefoodfunnyFuturologygadgetsgamingGetMotivatedgifshistoryIAmAInternetIsBeautifulJokesLifeProTipslistentothismildlyinterestingmoviesMusicnewsnosleepnottheonionOldSchoolCoolpersonalfinancephilosophyphotoshopbattlespicsscienceShowerthoughtsspacesportstelevisiontifutodayilearnedTwoXChromosomesUpliftingNewsvideosworldnewsWritingPromptsedit subscriptionsfront-all-random|AskReddit-funny-pics-todayilearned-gaming-gifs-videos-worldnews-news-aww-IAmA-Showerthoughts-movies-mildlyinteresting-television-Jokes-sports-OldSchoolCool-explainlikeimfive-personalfinance-science-Art-nottheonion-Futurology-LifeProTips-space-TwoXChromosomes-tifu-books-food-EarthPorn-Documentaries-history-WritingPrompts-askscience-dataisbeautiful-photoshopbattles-creepy-gadgets-GetMotivated-nosleep-Music-UpliftingNews-DIY-listentothis-philosophy-InternetIsBeautiful-announcements-blogmore »reddit.comunitycommentsWant to join? Log in You need to assign the whole Point value to the Origin property:- Origin = new Point(10, Origin.Y); The problem is that when you access the Origin property what is returned by

Domain · Nov 27, 2013 at 03:41 AM 0 Share oh, the variable I was using was a float, I don't know why but that made it totally flip out.

In case a constructor doesn't exist with an overload to take your property (in this case X), you can use the object initializer (which will do all the magic behind the Can I use that to take out what he owes me? Some Framework classes have properties that copy their state to new mutable class instances and return those. Do Morpheus and his crew kill potential Ones?

I see no reason to believe that would have the desired effect upon the object containing the Origin property. Strength check between medium size and large size What is with the speech audience? public Point Origin { get; set; } Origin.X = 10; // fails with CS1612 Error Message: Cannot modify the return value of 'expression' because it is not a variable An attempt this content Related Questions Multiple Cars not working 1 Answer Error in distance coding 1 Answer create variable trouble 1 Answer Insert semicolon at the end when theres already one? 0 Answers (C#)

Because the modification is useless, the compiler treats it as an error to avoid confusion and common mistakes. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed up vote 0 down vote favorite This is the error I am getting: Assets/Scripts/CameraScript.cs(60,39): error CS1612: Cannot modify a value type return value of `UnityEngine.Transform.position'. Can clients learn their time zone on a network configured using RA?

Not the answer you're looking for? go.material.color // it will return a copy of Color You have to make another instance of Color then assign back to go.material.color go.material.color = new Color(255f,255f,255f,.5f); share|improve this answer answered Sep Such a design has the advantage of allowing code like thing1.Origin = thing2.Origin; to set the state of object's origin to match that of another, but it can't warn about code Why is (a % 256) different than (a & 0xFF)?

How to give Permission to create sandbox? I just started my first real job, and have been asked to organize the office party. you should declare a new Vector3, and init with Transform.position's getter, modify it, and change Transform.position with it's setter. Is it ethical for a journal to cancel an accepted review request when they have obtained sufficient number of reviews to make a decision?

Transform.position.x = 0; // this is wrong code // is same with Vector3 _tmp = Transform.position; // getter _tmp.x = 0; // change 'NEW' Vector3 this is obviously NOT what you The Point type is a Value type. As an alternative, you can use AddForce() to accomplish roughly the same thing: rigidbody.AddForce(Vector3.up * jumpHeight, ForceMode.VelocityChange); Comment Add comment · Show 3 · Share 10 |3000 characters needed characters left Stay logged in Unity Services Showcase Learn Community Asset Store Get Unity UNITY ACCOUNT You need a Unity Account to shop in the Online and Asset Stores, participate in the Unity

A guy scammed me, but he gave me a bank account number & routing number. You need to assign the entire Point object in this case as the property type is Point. asked 1 year ago viewed 531 times active 9 months ago Related 3Why can't I compare two Texture2D's?1why am I being unable to access public array of a class inside other rigidbody2D.velocity.x = freezeXVel; rigidbody2D.velocity.y = freezeYvel; } } Any help would be appreciated... 3 commentsshareall 3 commentssorted by: besttopnewcontroversialoldrandomq&alive (beta)[–]asmall_boys_trowsers[S] 2 points3 points4 points 2 years ago(2 children)Nevermind!

Also, your code would probably be a lot cleaner and easier to deal with if you just stored a Vector2 freezeVel instead of trying to store the components individually as freezeXVel

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