修改UITool包

2025-03-03 17:47:30 +08:00
parent fb849c9c25
commit 850ba360bb
38 changed files with 591 additions and 255 deletions
@@ -0,0 +1,187 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UIElements;
+
+namespace MuHua {
+	/// <summary>
+	/// 滑块
+	/// </summary>
+	public class UIScroller {
+		/// <summary> 绑定的元素 </summary>
+		public readonly VisualElement element;
+		/// <summary> 绑定的画布 </summary>
+		public readonly VisualElement canvas;
+		/// <summary> 元素方向 </summary>
+		public readonly UIDirection direction;
+		/// <summary> 值改变时 </summary>
+		public event Action<float> ValueChanged;
+
+		public float value;
+		public bool isDragger;
+		public float originalPosition;
+		public float pointerPosition;
+
+		private UIScrollerFunc scrollerFunc;
+
+		public VisualElement dragger => element.Q<VisualElement>("Dragger");
+
+		public UIScroller(VisualElement element, VisualElement canvas, UIDirection direction = UIDirection.FromLeftToRight) {
+			this.element = element;
+			this.canvas = canvas;
+			this.direction = direction;
+
+			if (direction == UIDirection.FromLeftToRight) { scrollerFunc = new FromLeftToRight(this); }
+			if (direction == UIDirection.FromRightToLeft) { scrollerFunc = new FromRightToLeft(this); }
+			if (direction == UIDirection.FromTopToBottom) { scrollerFunc = new FromTopToBottom(this); }
+			if (direction == UIDirection.FromBottomToTop) { scrollerFunc = new FromBottomToTop(this); }
+
+			//设置事件
+			dragger.RegisterCallback<PointerDownEvent>(DraggerDown);
+			element.RegisterCallback<PointerDownEvent>(ElementDown);
+
+			canvas.RegisterCallback<PointerUpEvent>((evt) => isDragger = false);
+			canvas.RegisterCallback<PointerLeaveEvent>((evt) => isDragger = false);
+		}
+
+		public virtual void DraggerDown(PointerDownEvent evt) => scrollerFunc.DraggerDown(evt);
+		public virtual void ElementDown(PointerDownEvent evt) => scrollerFunc.ElementDown(evt);
+		/// <summary> 更新状态 </summary>
+		public virtual void Update() => scrollerFunc.Update();
+		/// <summary> 更新值(0-1) </summary>
+		public virtual void UpdateValue(float value, bool send = true) => scrollerFunc.UpdateValue(value, send);
+
+		public abstract class UIScrollerFunc {
+			public readonly UIScroller scroller;
+			public UIScrollerFunc(UIScroller scroller) => this.scroller = scroller;
+
+			public abstract void DraggerDown(PointerDownEvent evt);
+			public abstract void ElementDown(PointerDownEvent evt);
+			/// <summary> 更新状态 </summary>
+			public abstract void Update();
+			/// <summary> 更新值(0-1) </summary>
+			public abstract void UpdateValue(float value, bool send = true);
+		}
+
+		public class FromLeftToRight : UIScrollerFunc {
+			public FromLeftToRight(UIScroller scroller) : base(scroller) { }
+			public override void DraggerDown(PointerDownEvent evt) {
+				scroller.isDragger = true;
+				scroller.originalPosition = scroller.dragger.transform.position.x;
+				scroller.pointerPosition = UITool.GetMousePosition().x;
+			}
+			public override void ElementDown(PointerDownEvent evt) {
+				float offset = evt.localPosition.x - scroller.dragger.resolvedStyle.width * 0.5f;
+				float max = scroller.element.resolvedStyle.width - scroller.dragger.resolvedStyle.width;
+				float value = Mathf.InverseLerp(0, max, offset);
+				UpdateValue(value);
+			}
+			public override void Update() {
+				if (!scroller.isDragger) { return; }
+				float differ = UITool.GetMousePosition().x - scroller.pointerPosition;
+				float offset = differ + scroller.originalPosition;
+				float max = scroller.element.resolvedStyle.width - scroller.dragger.resolvedStyle.width;
+				float value = Mathf.InverseLerp(0, max, offset);
+				UpdateValue(value);
+			}
+			public override void UpdateValue(float value, bool send = true) {
+				scroller.value = value;
+				if (send) { scroller.ValueChanged?.Invoke(value); }
+				float max = scroller.element.resolvedStyle.width - scroller.dragger.resolvedStyle.width;
+				float x = Mathf.Lerp(0, max, value);
+				scroller.dragger.transform.position = new Vector3(x, 0);
+			}
+		}
+
+		public class FromRightToLeft : UIScrollerFunc {
+			public FromRightToLeft(UIScroller scroller) : base(scroller) { }
+			public override void DraggerDown(PointerDownEvent evt) {
+				scroller.isDragger = true;
+				scroller.originalPosition = scroller.dragger.transform.position.x;
+				scroller.pointerPosition = UITool.GetMousePosition().x;
+			}
+			public override void ElementDown(PointerDownEvent evt) {
+				float offset = evt.localPosition.x - scroller.dragger.resolvedStyle.width * 0.5f;
+				float max = scroller.element.resolvedStyle.width - scroller.dragger.resolvedStyle.width;
+				float value = Mathf.InverseLerp(max, 0, offset);
+				UpdateValue(value);
+			}
+			public override void Update() {
+				if (!scroller.isDragger) { return; }
+				float differ = UITool.GetMousePosition().x - scroller.pointerPosition;
+				float offset = differ + scroller.originalPosition;
+				float max = scroller.element.resolvedStyle.width - scroller.dragger.resolvedStyle.width;
+				float value = Mathf.InverseLerp(max, 0, offset);
+				UpdateValue(value);
+			}
+			public override void UpdateValue(float value, bool send = true) {
+				scroller.value = value;
+				if (send) { scroller.ValueChanged?.Invoke(value); }
+				float max = scroller.element.resolvedStyle.width - scroller.dragger.resolvedStyle.width;
+				float x = Mathf.Lerp(max, 0, value);
+				scroller.dragger.transform.position = new Vector3(x, 0);
+			}
+		}
+
+		public class FromTopToBottom : UIScrollerFunc {
+			public FromTopToBottom(UIScroller scroller) : base(scroller) { }
+			public override void DraggerDown(PointerDownEvent evt) {
+				scroller.isDragger = true;
+				scroller.originalPosition = scroller.dragger.transform.position.y;
+				scroller.pointerPosition = Screen.height - UITool.GetMousePosition().y;
+			}
+			public override void ElementDown(PointerDownEvent evt) {
+				float offset = evt.localPosition.y - scroller.dragger.resolvedStyle.height * 0.5f;
+				float max = scroller.element.resolvedStyle.height - scroller.dragger.resolvedStyle.height;
+				float value = Mathf.InverseLerp(0, max, offset);
+				UpdateValue(value);
+			}
+			public override void Update() {
+				if (!scroller.isDragger) { return; }
+				float differ = Screen.height - UITool.GetMousePosition().y - scroller.pointerPosition;
+				float offset = differ + scroller.originalPosition;
+				float max = scroller.element.resolvedStyle.height - scroller.dragger.resolvedStyle.height;
+				float value = Mathf.InverseLerp(0, max, offset);
+				UpdateValue(value);
+			}
+			public override void UpdateValue(float value, bool send = true) {
+				scroller.value = value;
+				if (send) { scroller.ValueChanged?.Invoke(value); }
+				float max = scroller.element.resolvedStyle.height - scroller.dragger.resolvedStyle.height;
+				float y = Mathf.Lerp(0, max, value);
+				scroller.dragger.transform.position = new Vector3(0, y);
+			}
+		}
+
+		public class FromBottomToTop : UIScrollerFunc {
+			public FromBottomToTop(UIScroller scroller) : base(scroller) { }
+			public override void DraggerDown(PointerDownEvent evt) {
+				scroller.isDragger = true;
+				scroller.originalPosition = scroller.dragger.transform.position.y;
+				scroller.pointerPosition = Screen.height - UITool.GetMousePosition().y;
+			}
+			public override void ElementDown(PointerDownEvent evt) {
+				float offset = evt.localPosition.y - scroller.dragger.resolvedStyle.height * 0.5f;
+				float max = scroller.element.resolvedStyle.height - scroller.dragger.resolvedStyle.height;
+				float value = Mathf.InverseLerp(max, 0, offset);
+				UpdateValue(value);
+			}
+			public override void Update() {
+				if (!scroller.isDragger) { return; }
+				float differ = Screen.height - UITool.GetMousePosition().y - scroller.pointerPosition;
+				float offset = differ + scroller.originalPosition;
+				float max = scroller.element.resolvedStyle.height - scroller.dragger.resolvedStyle.height;
+				float value = Mathf.InverseLerp(max, 0, offset);
+				UpdateValue(value);
+			}
+			public override void UpdateValue(float value, bool send = true) {
+				scroller.value = value;
+				if (send) { scroller.ValueChanged?.Invoke(value); }
+				float max = scroller.element.resolvedStyle.height - scroller.dragger.resolvedStyle.height;
+				float y = Mathf.Lerp(max, 0, value);
+				scroller.dragger.transform.position = new Vector3(0, y);
+			}
+		}
+	}
+}