R&P - Research And Program

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

Wanna add cool transparent VR hands to your game but can't deal with the z-issues transparency brings?

The workaround: add a depth only pass to your shader:

Pass
{
ZWrite On
ColorMask 0
}#unitytips #gamedev pic.twitter.com/BwnnFPAf4u
— Matheus Lessa (@ahvamolessa) November 25, 2019

Using #shaders to make this dimensional portal 🌀🌟

Made in collaboration with @_khymeia_. Also big thanks to @enemyhideout for some of the math (https://t.co/iYantAsSNY).#unityTips #gamedev #shader #madewithunity #unity3D #indiegame #gameart pic.twitter.com/0IfHLFYYmG
— Couch Game Crafters (@CouchGameCraft) April 8, 2019

The second part of the geometry grass shader is now publicly out!🌿

Enhance your grass with lighting, shadows and translucency while making it extra lush with some additional tessellation!

🔗: https://t.co/W8jJ31lIav

Happy grass-making!#gamedev #madewithunity #unitytips pic.twitter.com/Gg7Cyhnm10
— Harry 💬 (@HarryAlisavakis) December 3, 2019

From Slime Rancher to Astroneer, many games add glittery reflections when rendering sand. ✨

If you want to recreate such a cool effect in @unity3d, have a look at this #gamedev tutorial about Journey's sand shader! 🏜️

👇👇👇https://t.co/vdX5UFxuCY #madewithunity #unitytips pic.twitter.com/EdgxpNf1CN
— Alan Zucconi (@AlanZucconi) January 8, 2020

I added a script to strip out about 90% of built-in shader variants in #unity that we weren't using based on this article https://t.co/jnehSbejZv

Saved nearly 3MB and everything builds sooooooo much quicker#gamedev #unitytips pic.twitter.com/YgSrUxi0yJ
— Damian Connolly (@divillysausages) January 2, 2020

#UnityTips You can create artificial fog for a low-spec project by fading out an object's alpha (this was created using Shader Graph) and using a blank skybox.

This obviously isn't a fits all solution but for this case it was simple and really quick to setup.#unity3d #gamedev pic.twitter.com/6dcbeDz85n
— Jack Tilling (@jacktilling_) January 6, 2020

The cel-shading shader tutorial is now publicly out for everyone!

While this shader may not be a solution for all your needs, it has some neat and useful features to get you started!

🔗: https://t.co/zoWGniu2lB

Zelda model by @artstoff #gamedev #madewithunity #unitytips pic.twitter.com/CdKNHqCvR8
— Harry 💬 (@HarryAlisavakis) January 7, 2020

I finally managed to make a new shader tutorial. It's about maths.
With inverse lerp and remap you can control gradients in neat ways!https://t.co/HIFwx8iTff #gamedev #unitytips pic.twitter.com/oGKqwgWARu
— ✨Ronja✨ (@totallyRonja) January 9, 2020

Sample depth, normals and color for a neat outline effect. Tutorial here https://t.co/kidCqAt7Mg to create this in URP with shader graph! #unity3d #unitytips 💡 pic.twitter.com/p12vfkmpGC
— Alexander Ameye (@alexanderameye) January 7, 2020

The first part of the grass shader tutorial is publicly out! 🌿

Check it out to see how you can harness the power of geometry shaders to make some cool-looking wind-swaying lush unlit grass!

🔗: https://t.co/nkiG0X3ieD #gamedev #madewithunity #unitytips pic.twitter.com/egyYKaEXbU
— Harry 💬 (@HarryAlisavakis) October 29, 2019

You can now choose where to learn about Shaders in @unity3d !
My video and article are both available now, have fun!

🎥Watch: https://t.co/uuUiCfDQGc

📝Read: https://t.co/UN8oW1H9Cp #gamedev #indiedev #unitytips #unity3d pic.twitter.com/jM1xfk9Ak6
— Febucci (@febucci) November 5, 2019

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:

https://teamtreehouse.com/community/storing-image-in-database-compare-with-storing-at-the-folder-server
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
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.

Learn More: How unity calls it MonoBehaviour events like update?