增加圆形进度条

Assets/SceneManager/SampleScene/SampleScene.unity

@@ -696,7 +696,7 @@ GameObject:
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Assets/UI Toolkit/FontLibrary/FontsTest.uxml

@@ -1,4 +1,4 @@
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+    <Style src="project://database/Assets/UI%20Toolkit/FontLibrary/Fonts.uss?fileID=7433441132597879392&amp;guid=52d41516f77d64346b5cd0ac76ba5b95&amp;type=3#Fonts" />
     <ui:Label tabindex="-1" text="哈哈" parse-escape-sequences="true" display-tooltip-when-elided="true" style="-unity-font-style: normal;" />
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Packages/UITool/Runtime/ModuleUIControl/UICircularBar.cs

@@ -0,0 +1,71 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.Rendering;
+using UnityEngine.UIElements;
+
+public class CircularBar : VisualElement {
+	public new class UxmlFactory : UxmlFactory<CircularBar, UxmlTraits> { }
+	public new class UxmlTraits : VisualElement.UxmlTraits {
+		private readonly UxmlFloatAttributeDescription Fill = new() { name = "fill", defaultValue = 0.1f };
+
+		public override void Init(VisualElement ve, IUxmlAttributes bag, CreationContext cc) {
+			base.Init(ve, bag, cc);
+			var circularBar = ve as CircularBar;
+			circularBar.Fill = Fill.GetValueFromBag(bag, cc);
+			circularBar.UpdateValue();
+		}
+	}
+
+	public readonly Material material;
+	public readonly RenderTexture rt;
+
+	public VisualElement visual;
+
+	public float Fill { get; set; }
+
+	public CircularBar() {
+		visual = new VisualElement();
+		visual.style.flexGrow = 1;
+		hierarchy.Add(visual);
+
+		var shader = Shader.Find("MuHua/UI/CircularBar");
+		if (shader == null) {
+			Debug.LogError("Failed to find Shader Graphs/CircularBar.");
+			return;
+		}
+		material = new Material(shader);
+
+		rt = new RenderTexture(128, 128, 0, RenderTextureFormat.ARGBFloat);
+
+		Background background = Background.FromRenderTexture(rt);
+		visual.style.backgroundImage = new StyleBackground(background);
+	}
+
+	public void UpdateValue(float fill) {
+		Fill = fill;
+		UpdateValue();
+	}
+	public void UpdateValue() {
+		if (material == null) { return; }
+		Texture2D texture = resolvedStyle.backgroundImage.texture;
+		if (texture == null) { return; }
+
+		material.SetFloat("_fill", Fill);
+
+		CommandBuffer command = CommandBufferPool.Get();
+
+		// 设置渲染目标为tempRTHandle
+		CoreUtils.SetRenderTarget(command, rt);
+		// 清除纹理内容
+		CoreUtils.ClearRenderTarget(command, ClearFlag.All, Color.clear);
+		// 渲染
+		command.Blit(texture, rt, material, 0);
+
+		Graphics.ExecuteCommandBuffer(command);
+		CommandBufferPool.Release(command);
+
+		Background background = Background.FromRenderTexture(rt);
+		visual.style.backgroundImage = new StyleBackground(background);
+	}
+}

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Packages/UITool/Runtime/MuHua.UITool.asmdef

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ProjectSettings/BurstAotSettings_StandaloneWindows.json

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