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49 行
1.4 KiB
49 行
1.4 KiB
using UnityEngine;
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using UnityEngine.UI;
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using System.Collections;
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using UnityEngine.Rendering;
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using System;
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using UnityEngine.Serialization;
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public class EffectMask : Mask {
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[NonSerialized]
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private Material c_MaskMaterial;
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[NonSerialized]
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private Material c_UnmaskMaterial;
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protected override void OnDisable()
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{
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// we call base OnDisable first here
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// as we need to have the IsActive return the
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// correct value when we notify the children
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// that the mask state has changed.
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base.OnDisable();
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if (graphic != null)
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{
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graphic.SetMaterialDirty();
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graphic.canvasRenderer.hasPopInstruction = false;
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graphic.canvasRenderer.popMaterialCount = 0;
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}
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StencilMaterial.Remove(c_MaskMaterial);
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c_MaskMaterial = null;
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StencilMaterial.Remove(c_UnmaskMaterial);
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c_UnmaskMaterial = null;
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MaskUtilities.NotifyStencilStateChanged(this);
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}
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public override Material GetModifiedMaterial(Material baseMaterial)
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{
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if (!MaskEnabled())
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return baseMaterial;
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var maskMaterial = StencilMaterial.Add(baseMaterial, 1, StencilOp.Replace, CompareFunction.Always, showMaskGraphic ? ColorWriteMask.All : 0);
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StencilMaterial.Remove(c_MaskMaterial);
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c_MaskMaterial = maskMaterial;
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return c_MaskMaterial;
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}
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}
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