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66 行
2.1 KiB
66 行
2.1 KiB
using System.Collections;
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using UnityEngine;
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using Unity.VisualScripting;
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[UnitCategory("Custom")]
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public class TransparencyNodeURP : Unit
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{
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[DoNotSerialize]
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public ControlInput enter { get; private set; }
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[DoNotSerialize]
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[PortLabel("TargetTransparency")]
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public ValueInput targetTransparency { get; private set; }
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[DoNotSerialize]
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public ControlOutput exit { get; private set; }
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protected override void Definition()
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{
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enter = ControlInput("enter", (flow) =>
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{
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float targetTransparencyValue = flow.GetValue<float>(this.targetTransparency);
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GameObject go = flow.stack.gameObject;
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if (go != null)
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{
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Renderer renderer = go.GetComponent<Renderer>();
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if (renderer != null)
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{
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CoroutineRunner.instance.StartCoroutine(ChangeTransparency(renderer, targetTransparencyValue));
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}
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}
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return exit;
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});
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exit = ControlOutput("exit");
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targetTransparency = ValueInput<float>("TargetTransparency", 0.5f);
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Succession(enter, exit);
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Requirement(targetTransparency, enter);
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}
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private IEnumerator ChangeTransparency(Renderer renderer,float targetTransparency)
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{
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float duration = 1.0f; // 透明度变化的持续时间
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float elapsedTime = 0.0f;
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Material material = renderer.material;
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Texture baseMap = material.GetTexture("_BaseMap");
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Color initialColor = material.GetColor("_BaseColor");
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Color targetColor = new Color(initialColor.r, initialColor.g, initialColor.b, targetTransparency); // 设置目标Alpha值为1
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while (elapsedTime < duration)
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{
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float t = elapsedTime / duration;
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Color newColor = Color.Lerp(initialColor, targetColor, t);
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material.SetColor("_BaseColor", newColor);
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elapsedTime += Time.deltaTime;
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yield return null; // 等待下一帧
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}
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// 设置最终颜色
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material.SetColor("_BaseColor", targetColor);
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}
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}
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