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Question by Px_Extant · Sep 08, 2015 at 09:31 AM · alpha

i can't change the alpha somehow. rgb work but alpha not ?

using UnityEngine; using System.Collections;

public class probeerscript : MonoBehaviour { [Range(0f,1f)] public float Alpha;

 // Use this for initialization
 void Start ()
 {
    
 }
 
 // Update is called once per frame
 void Update ()
 {
     this.GetComponent<MeshRenderer>().material.color = new Color(0, 0, 0, Alpha);
 }

}

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avatar image cjdev · Sep 08, 2015 at 10:23 AM 1
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Does the material you're using actually use alpha and does the color modify the alpha?

avatar image Px_Extant · Sep 10, 2015 at 07:51 AM 0
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here is the whole thing and its working in the editor but not on PC version.

so in the editor this works great but if I build this than it dont work at all. can someone help me?

public class CubeYellowScript : $$anonymous$$onoBehaviour {

 [Range(0f, 1f)]
 public float Green;

 [Range(0f, 1f)]
 public float Red;

 [Range(0f, 1f)]
 public float Blue;

 [Range(0f, 1f)]
 public float Alpha;


 // Use this for initialization
 void Start()
 {
     // set the render$$anonymous$$ode from opaque to fade.

     GetComponent<$$anonymous$$eshRenderer>().material.SetFloat("_$$anonymous$$ode", 2);
     GetComponent<$$anonymous$$eshRenderer>().material.SetInt("_SrcBlend", (int)UnityEngine.Rendering.Blend$$anonymous$$ode.SrcAlpha);
     GetComponent<$$anonymous$$eshRenderer>().material.SetInt("_DstBlend", (int)UnityEngine.Rendering.Blend$$anonymous$$ode.One$$anonymous$$inusSrcAlpha);
     GetComponent<$$anonymous$$eshRenderer>().material.SetInt("ZWrite", 0);
     GetComponent<$$anonymous$$eshRenderer>().material.Disable$$anonymous$$eyword("_ALPHATEST_ON");
     GetComponent<$$anonymous$$eshRenderer>().material.Enable$$anonymous$$eyword("_ALPHABLEND_ON");
     GetComponent<$$anonymous$$eshRenderer>().material.Disable$$anonymous$$eyword("_ALPHAPRE$$anonymous$$ULTIPLY_ON");
     GetComponent<$$anonymous$$eshRenderer>().material.renderQueue = 3000;

 }

 // Update is called once per frame
 void Update()
 {
     this.GetComponent<$$anonymous$$eshRenderer>().material.color = new Color(Red, Green, Blue, Alpha);
 }

 public void AdjustAlpha(float newAlpha)
 {
     Alpha = newAlpha;
 }

}

avatar image Positive7 Px_Extant · Sep 10, 2015 at 11:24 AM 0
Share

Is it for Built-in shader? if not you will need to add your shader Under Edit -> Project Settings -> Graphics

avatar image Px_Extant · Sep 10, 2015 at 08:01 AM 0
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thanks but I made some changes. can you look at that please?

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