Unity vector graphics package missing solution

Unity Vector graphic package is in the preview stage currently so you need to check one more setting in order to view the package in the package manager window. First of all, you need to open package manager window from the Window menu then click on advanced setting and check show preview packages.


Unity Webgl Issues and Solutions

During my extensive interaction with unity WebGL, I found different things that are difficult to handle in unity WebGL or Unity Webgl has some serious limitations (But nevertheless I have managed to stream large 3D area in unity WebGL with asset bundles). I have made this post in order to show you Unity3D WebGL issues sheet and if you are interested to see what technologies or toolchain Unity WebGL using behind the Scene then check this post. So, without a particular order here is the list of unity webgl limitations with relevant references for your further research. 



1. You cannot use Threads in unity WebGL. Here is the error that you will get when thread try to start:
SystemException: Thread creation failed.
UnityLoader.js:4   at System.Threading.Thread.StartInternal (System.Security.Principal.IPrincipal principal, System.Threading.StackCrawlMark& stackMark) [0x00000] in <00000000000000000000000000000000>:0
GameDev Question
Unity Forum
Unity Webgl Doc
Update: Unity claim that in Version 2019.1.0 they have added multiple Multithreading support but it was not working according to my test and now I also find this that there was bug with the problem which has fixed in Unity 2020.1.0 and Unity 2019.4.7 (untested)

2. If you are continuously pressing any keyboard input key and meanwhile you lost focus to WebGL canvas in the browser, the input will still work even after releasing the key. The situation may get worst in the Edge browser.
Ref:
SE Question
Maybe resolved in Unity 2019.3.0 but I have tested and still the same problem is happening.

Unity Tips and Tricks (Unity Shader Tips and Tricks) Part V

In this post, we gather different tips and tricks related to Unity Shaders.

Unity Shader Tips and Tricks











See Also:

Game Pause on error in Unity3d

For debugging purposes, you may require to pause the game on an error so that you can inspect the game situation. For this reason, you can follow these steps:

1. Write an error log in block of the code

    Debug.LogError("Exception occured");

And before running the editor open console and hit Error Pause in the console log.


The game will pause as any error occurred in the console.

  

store image in database or path which better?

There are different pros and cons of saving images file into database.

Saving Image file in Database

Pros:

If you want to save and secure sensitive/confidential Images like employee face images.
Deleting the file will delete the image too.
Database backup will automatically backup the images too.

Cons:

Slow access to the image and require more resources on the server.
The database grows quickly consequently database backup will require more time.

Saving Image  in File System


Pros:

Enable quick access to the image, Webserver easily/quickly provide the file.
Easily viewable on the server through image viewer/browse.

Cons:

Deleting the record will require to delete the file separately.
Low security of image

Ref:


  1. https://teamtreehouse.com/community/storing-image-in-database-compare-with-storing-at-the-folder-server
  2. https://www.quora.com/Difference-in-storing-image-in-database-table-vs-storing-image-in-folder-and-save-its-path-in-database-Which-is-better-and-why-PHP
  3. https://habiletechnologies.com/blog/better-saving-files-database-file-system/

How to send email form Unity3d and C# using gmail

Here are the 7 steps guide to send an email from your unity game using Gmail service. With gamil mail service you can send email in unity3d.

Steps for Gmail Account:

1. Login to Gmail Account
2. Go to at this location https://myaccount.google.com/security
3. Go to the Less secure app access section and Turn on Allow less secure app access (see image below)


Steps for Unity

4. Create a Unity project (or in your existing project) Make a script with SendEmail name and Copy Below code.
5. Attach the script with any game-object in your hierarchy.
6. Provide the credential in the inspector in the script (like your account and password and receiver account, message body, etc)
7. Run the game, it will send the email to the desired address in the start function

Note: If your system is behind a proxy then, email may not be sent and throw an exception.