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Unlit ImageAlpha Shader?C#??????

?????????Unlit ImageAlpha shader?C#???????UI???????

??Unlit ImageAlpha Shader??

Unlit ImageAlpha shader?????????????????????????????

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??C#??????

C#???????????????????????

using UnityEngine;using UnityEngine.UI;

public class NewBehaviourScript : MonoBehaviour{public float A = 0;public Material _Material;

void Start() {    _Material = GetComponent().material;}void Update() {    if (transform.localPosition.y > 0)     {        _Material.SetFloat("_AlphaRX", (50 - transform.localPosition.y) / 50);    }}

}

????????????Y????????Material?Alpha????????????????

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