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通过脚本修改Shader
再VR里有时候要把3D的UI显示到相机最前方#xff0c;加个UI相机会坏事#xff0c;可以通过修改unity_GUIZTestMode来解决。
测试用例
测试用例如下#xff1a; 场景包含一个红色的盒子#xff0c;一个UI…Unity把UGUI再World模式下显示到相机最前方
通过脚本修改Shader
再VR里有时候要把3D的UI显示到相机最前方加个UI相机会坏事可以通过修改unity_GUIZTestMode来解决。
测试用例
测试用例如下 场景包含一个红色的盒子一个UI里含有这些元素 我们在UI根挂上运行脚本WorldSpaceOverlayUI.cs
脚本如下
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using TMPro;[ExecuteInEditMode] //Disable if you dont care about previewing outside of play mode
public class WorldSpaceOverlayUI : MonoBehaviour
{private const string shaderTestMode unity_GUIZTestMode; //The magic property we need to set[SerializeField] UnityEngine.Rendering.CompareFunction desiredUIComparison UnityEngine.Rendering.CompareFunction.Always; //If you want to try out other effects[Tooltip(Set to blank to automatically populate from the child UI elements)][SerializeField] Graphic[] uiGraphicsToApplyTo;[Tooltip(Set to blank to automatically populate from the child UI elements)][SerializeField] TextMeshProUGUI[] uiTextsToApplyTo;//Allows us to reuse materialsprivate DictionaryMaterial, Material materialMappings new DictionaryMaterial, Material();protected virtual void Start(){if (uiGraphicsToApplyTo.Length 0){uiGraphicsToApplyTo gameObject.GetComponentsInChildrenGraphic();}if (uiTextsToApplyTo.Length 0){uiTextsToApplyTo gameObject.GetComponentsInChildrenTextMeshProUGUI();}foreach (var graphic in uiGraphicsToApplyTo){Material material graphic.materialForRendering;if (material null){Debug.LogError(${nameof(WorldSpaceOverlayUI)}: skipping target without material {graphic.name}.{graphic.GetType().Name});continue;}if (!materialMappings.TryGetValue(material, out Material materialCopy)){materialCopy new Material(material);materialMappings.Add(material, materialCopy);}materialCopy.SetInt(shaderTestMode, (int)desiredUIComparison);graphic.material materialCopy;}foreach (var text in uiTextsToApplyTo){Material material text.fontMaterial;if (material null){Debug.LogError(${nameof(WorldSpaceOverlayUI)}: skipping target without material {text.name}.{text.GetType().Name});continue;}if (!materialMappings.TryGetValue(material, out Material materialCopy)){materialCopy new Material(material);materialMappings.Add(material, materialCopy);}materialCopy.SetInt(shaderTestMode, (int)desiredUIComparison);text.fontMaterial materialCopy;}}
}引用 https://discussions.unity.com/t/world-space-canvas-on-top-of-everything/128165/14
