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Question by Noxury · Mar 09, 2017 at 04:08 PM · uicolor changenewtween

How to fade color of new UI-components with iTween

Hi, I want to make an ui image to fade in using iTween.

it seems that the new UI (since 4.6) components' color properties are not supported? What am I doing wrong in this code snippet?

 iTween.ValueTo(icon.gameObject, iTween.Hash("from", new Color(1f,1f,1f,0f), "to", new Color(1f,1f,1f,1f), "time", 2f, "onupdate", "OnColorUpdated"));

I even downloaded the updated version of iTween.

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Answer by AdbC99 · Jul 25, 2018 at 05:06 AM

Bit of a late answer @Noxury but here is how I am doing it:

     [Tooltip("Reference to a UI image for fading in")][SerializeField] 
     private UnityEngine.UI.Image FadeImage;
 
     [Tooltip("Length of the fade")][SerializeField] 
     private float FadeTimer = 2f;
 
     [Tooltip("Delay until fades beghins")][SerializeField] 
     private float FadeInDelay = 1f;
 
     [Tooltip("Color to fade to")][SerializeField] 
     private Color EndColor = Color.white;
 
     [Tooltip("Color to fade from")][SerializeField] 
     private Color StartColor = Color.clear;
 
     public void updateColor(float val)
     {
         FadeImage.color = ((1f-val) * StartColor) + (val * EndColor);
     }
 
     private void Fade()
     {
         // Commented out unity cross fade since this seems to 
         // have bugs when working on transparent images
         // FadeImage.CrossFadeColor(FadeColor, FadeTimer, false, true);
        iTween.ValueTo(this.gameObject,iTween.Hash("from",0f,"to",3f,"delay",FadeInDelay,"time",FadeTimer,"onupdate","updateColor"));
     }

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avatar image Noxury · Aug 19, 2019 at 10:17 PM 0
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Thanks! Though I switched over to DoTween.

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