Category Archives: Unity image color alpha

Unity image color alpha

By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. Thank you. Because the Color is a struct of Image I think that's the correct terminology? Learn more. Asked 5 years, 1 month ago.

Active 4 years, 7 months ago. Viewed 13k times. Find "health". Find "health1". Find "health2". Consider storing the value in a temporary variable. Chris McFarland 5, 4 4 gold badges 40 40 silver badges 57 57 bronze badges.

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Feedback on Q2 Community Roadmap. Technical site integration observational experiment live on Stack Overflow. Dark Mode Beta - help us root out low-contrast and un-converted bits.I have a bunch of bmp files with a specific solid background color that isn't intended to be displayed. Is there a way to set that color to be considered as an alpha of 0?

It might be easier to convert them to a format that has transparency and remove the background color using some graphics software. Yea, I've been looking into how to do this with a custom shader. I just can't seem to find a way to compare 1 color against another and do something in response to that in a shader. I don't know much read hardly anything about shaders but it should be the Vector4 coming out of the texture compare it to a Vector4 that represents your alpha.

Finally got it. Ah cool - I just wrote my first shader to see if I could : Also worked - slightly different but there you go! How to make it work on IOS? Attachments: Up to 2 attachments including images can be used with a maximum of To help users navigate the site we have posted a site navigation guide. Make sure to check out our Knowledge Base for commonly asked Unity questions.

Answers Answers and Comments. Shader: get nearest point light's color, direction and general custom lighting questions 0 Answers. Shader with zwrite, shadows and alpha special alpha 2 Answers.

Shader that does per Vert alpha with co 0 Answers. Get color of pixel before pass: prefer cg, shaderlab is last resort 0 Answers. How do I add transparency to a cg vertex lit shader 2 Answers. Login Create account. Ask a question. Or a custom shader could do it I guess - couldn't find one with a quick Google though. Best Answer. Your answer. Hint: You can notify a user about this post by typing username. Welcome to Unity Answers The best place to ask and answer questions about development with Unity.

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Joined: Jul 7, Posts: Hi, I am new to Unity. I have 3 images on my UI that are set at 0. When the player collects a collectable in the game, I would like one of the images to turn to full alpha, then the same for collectable 2 and so on I'm sure it's a easy process, but I just can't seem to work it out. Help would be very much appreciated. LeScarDesignsJan 8, Joined: May 29, Posts: Be sure to check the documentation before asking here! You'll get your answers much quicker That being said: Code CSharp :.

Image image. BenZedJan 8, Joined: Jan 21, Posts: Wouldn't it be better to actually set the alpha, instead of changing color? Code CSharp :.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. Ok, I don't know if this is possible but I need to animate the alpha portion of an image - like I have an image with a shape cut out of it so the background shows through, and I want to animate the size of this hole in Unity;s animation controller.

Well I guess the Shader you can find here will the closest answer to your question. In unity, you can animate everything that can be changed in the inspector, including the size and color including alpha of your sprite.

However, it is not possible to animate pixels of a sprite seperately, as far as i know, meaning that you cannot change the alpha value of an area inside your sprite. Learn more. How to animate alpha in an image in Unity? Ask Question. Asked 3 years, 3 months ago. Active 3 years, 3 months ago. Viewed 1k times.

Fading UI Image

Is this possible? How do you make that cut out inner square? Active Oldest Votes. Other than that, operations on your texture will be quite heavy to perform at runtime. Hope this helps.

Scripting: Change Material of an Object - Unity Tutorial

Kardux Kardux 1, 1 1 gold badge 14 14 silver badges 18 18 bronze badges. Do your images consist of a single color only or do you use complex images? Commodore Yournero Commodore Yournero 1 1 silver badge 9 9 bronze badges.

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unity image color alpha

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I'm wanting to change the alpha of my UI Images gradually instead of instantly. So far my code for fading the alpha of my image instantly is as follows. The above code works fine, but I'm struggling to modify my code so that instead of doing it instantly, it does it slowly over a second or two. I've tried changing the line c. Dotween has plenty of extention methods to help you, see the documentation. Learn more. Unity fade image alpha over time Ask Question. Asked 3 years, 6 months ago.

Active 9 months ago. Viewed 8k times. What am I doing wrong? N0xus N0xus 2, 8 8 gold badges 51 51 silver badges bronze badges. Active Oldest Votes. Use Coroutine to implement this. Umair M Umair M 7, 2 2 gold badges 24 24 silver badges 62 62 bronze badges.

Thanks for your help, I'm not trying to modify it so that if the image is faded, it can go back to being full color. How could I do so? You can also use a tween engine like Dotween and then simply use it like this : image. DOFade 1, 0. AminSojoudi AminSojoudi 1, 9 9 silver badges 27 27 bronze badges. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password.

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Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. I am making a game for Android using Unity 5. I have tried animations, but they don't seem to work for me.

I have tried using the code from here and herebut those didn't work either. I want the sprite to fade out over about 1 second when it is tapped. I think I need to use a for loop and Mathf. Please help. Create a new material in Project tab and name it whatever you want. Assign the newly created material to your Sprite Renderer Material slot. Notice that now you can modify material color from the inspector. It has not been grayed out any more.

You should run you code again and it should work. Sure change sprRender. Simple code for you, Fadeout worked. Add your advanced.

Is there a way to set an alpha color?

Learn more. Fading Alpha Values In Unity? Ask Question. Asked 3 years, 5 months ago. Active 3 years, 5 months ago. Viewed 2k times. Edit: Here is an image of the Inspector view of the object I want to fade out.

Show us a screenshot of the material the object has attached, especially its shader type. Active Oldest Votes. Assign it a shader like in the below image. Geo Wesley Geo Wesley 93 8 8 bronze badges.

Is there a way to set an alpha color?

Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Podcast Programming tutorials can be a real drag. Featured on Meta. Community and Moderator guidelines for escalating issues via new response….This is making the image disappear, but it does not fade at all. If the 0 that is sent to CrossFadeAlpha is replaced with 0.

Thank you for the reply. I tried it with this method and the same result happened no fading and it turns invisible when it hits 0. Does it only work with Source Images sprites in the Image component? I've been using Materials. If you want to use it with materials you have to change the script to creating an instance, so that only the material of the current object is changed :.

Attachments: Up to 2 attachments including images can be used with a maximum of To help users navigate the site we have posted a site navigation guide.

Make sure to check out our Knowledge Base for commonly asked Unity questions. Answers Answers and Comments. Fade out an object cause every other object to fade out 1 Answer. Missing UI image 0 Answers.

Screenshot to variable 0 Answers. Login Create account. Ask a question. Unity 5. CrossFadeAlpha 0, 3, false ; This is making the image disappear, but it does not fade at all.

unity image color alpha

Any ideas what I can do to have the image fade? Add comment. Best Answer.

unity image color alpha

You have to actually fade the color over time in Update. Collections; using UnityEngine. Abs curColor.



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Tera

27.10.2020 at 10:12 pm

Entschuldigen Sie, dass ich mich einmische, aber meiner Meinung nach ist dieses Thema schon nicht aktuell.