iTween - How can i change trail color ?

I can change trail color by :

Code (csharp):

1. gameObject.GetComponent<TrailRenderer>().material.SetColor("_TintColor",color);

I can change object color by :

Code (csharp):

1. iTween.ColorTo(gameObject,iTween.Hash("color",color,"time",0.1f,"includechildren",true));

But i don't know how to change a component's color in itween ?

Somebody has some tricks ?
Can i make a mat 'static' so i put my mat on an hidden object ?

 

Hi - maybe too late for you now but in case it helps anyone else - you can just use itTween.ValueTo. For example, to fade from 0 to 1, set the 'from' and 'to' params to 0 and 1, set the 'onupdate' callback function and in there set the trail material's alpha directly using the value parameter.

Code (csharp):

1. Hashtable args = new Hashtable();
2. args.Add("from", 0);
3. args.Add("to", 1);
4. args.Add("time", 2);   
5. args.Add("onupdate", "updateTrailAlpha");      
6. iTween.ValueTo(gameObject, args);

And then (this example does it for the tint color as most people use an additive material with transparency for trail materials):

Code (csharp):

1. void updateTrailAlpha(float val)
2.     {
3.         TrailRenderer tr = gameObject.GetComponent<TrailRenderer>();
4.         Color c = tr.material.GetColor("_TintColor");
5.         c.a = val;
6.         tr.material.SetColor("_TintColor", c);
7.     }

 

Another way to achieve it is to add a light to the object that your script is on, disable the light, and then iTween.ColorTo() the light color, and then set your component colour to be the same as the light. This is basically using the Light as a dummy object.

 

Thanks, its helpful!