47 lines
1.2 KiB
C#
47 lines
1.2 KiB
C#
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.UI;
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public class CircleDissolveEffect : MonoBehaviour
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{
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public Material dissolveMaterial;
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public Image targetImage; // ʹ<>õ<EFBFBD>UIͼƬ
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public float transitionSpeed = 1.0f;
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private float radius = 0.0f;
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public bool isTransitioning = false;
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void Start()
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{
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߱Ȳ<DFB1>Ӧ<EFBFBD>õ<EFBFBD>Shader
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float aspectRatio = (float)targetImage.rectTransform.rect.width / targetImage.rectTransform.rect.height;
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dissolveMaterial.SetFloat("_AspectRatio", aspectRatio);
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}
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void Update()
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{
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if (isTransitioning)
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{
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if (radius < 1f)
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{
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radius += Time.deltaTime * transitionSpeed;
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dissolveMaterial.SetFloat("_Radius", Mathf.Clamp01(radius));
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}
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}
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else
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{
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if (radius > 0f)
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{
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radius -= Time.deltaTime * transitionSpeed;
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dissolveMaterial.SetFloat("_Radius", Mathf.Clamp01(radius));
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}
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}
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}
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public void StartTransition()
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{
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radius = 0.0f;
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isTransitioning = true;
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}
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}
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