graph chart引入&骑行结果弹窗

Assets/Chart And Graph/Tutorials/Zoom/GraphZoom.cs

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+#define Graph_And_Chart_PRO
+using UnityEngine;
+using System.Collections;
+using ChartAndGraph;
+using UnityEngine.UI;
+using System;
+
+/// <summary>
+/// this is an example of zoom using mouse for the graph chart
+/// </summary>
+[RequireComponent(typeof(GraphChart))]
+public class GraphZoom : MonoBehaviour
+{
+    GraphChart graph;
+    Vector3 mZoomBasePosition;
+    DoubleVector3 mZoomBaseChartSpace;
+    DoubleVector3 InitalScrolling;
+    DoubleVector3 InitalViewSize;
+    DoubleVector3 InitalViewDirection;
+    DoubleVector3 InitialOrigin;
+    public float errorMargin = 5f;
+    public float ZoomSpeed = 20f;
+    public float MaxViewSize = 10f;
+    public float MinViewSize = 0.1f;
+    float totalZoom = 0;
+    
+	// Use this for initialization
+	void Start ()
+    {
+
+    }
+
+    void OnEnable()
+    {
+        graph = GetComponent<GraphChart>();
+    }
+
+    void ResetZoomAnchor()
+    {
+        totalZoom = 0;
+        InitalScrolling = new DoubleVector3(graph.HorizontalScrolling, graph.VerticalScrolling);
+        InitalViewSize = new DoubleVector3(graph.DataSource.HorizontalViewSize, graph.DataSource.VerticalViewSize);
+        InitalViewDirection = new DoubleVector3(Math.Sign(InitalViewSize.x), Math.Sign(InitalViewSize.y));
+        InitialOrigin = new DoubleVector3(graph.DataSource.HorizontalViewOrigin, graph.DataSource.VerticalViewOrigin);
+
+    }
+    bool CompareWithError(Vector3 a,Vector3 b)
+    {
+        if (Mathf.Abs(a.x - b.x) > errorMargin)
+            return false;
+        if (Mathf.Abs(a.y - b.y) > errorMargin)
+            return false;
+        return true;
+    }
+
+	// Update is called once per frame
+	void Update ()
+    {
+        if (graph == null) // no graph attached to this script for some reason
+            return;
+        Vector2 mousePos = Input.mousePosition;
+        double mouseX, mouseY;
+        graph.PointToClient(mousePos, out mouseX, out mouseY);
+        if (CompareWithError(mousePos, mZoomBasePosition) == false) // the mouse has moved beyond the erroo
+        {
+            mZoomBasePosition = mousePos;      
+            graph.PointToClient(mousePos, out mouseX, out mouseY);
+            mZoomBaseChartSpace = new DoubleVector3(mouseX, mouseY);
+            ResetZoomAnchor();
+        }
+        else
+        {
+            mousePos = mZoomBasePosition;
+        }
+
+        float delta = Input.mouseScrollDelta.y;
+        totalZoom += delta;    //accumilate the delta change for the currnet positions
+
+        if (delta!=0 && graph.PointToClient(mousePos, out mouseX, out mouseY))
+        {
+            DoubleVector3 ViewCenter = InitialOrigin + InitalScrolling;
+            DoubleVector3 trans = new DoubleVector3((mZoomBaseChartSpace.x - ViewCenter.x), (mZoomBaseChartSpace.y - ViewCenter.y));
+            float growFactor = Mathf.Pow(2,totalZoom/ZoomSpeed);
+            double hSize = InitalViewSize.x * growFactor;
+            double vSize = InitalViewSize.y * growFactor;
+            if (hSize * InitalViewDirection.x < MaxViewSize && hSize * InitalViewDirection.x > MinViewSize  && vSize * InitalViewDirection.y  < MaxViewSize  && vSize * InitalViewDirection.y > MinViewSize )
+            {
+                graph.HorizontalScrolling = InitalScrolling.x + trans.x - (trans.x * growFactor);
+                graph.VerticalScrolling = InitalScrolling.y + trans.y - (trans.y * growFactor);
+                graph.DataSource.HorizontalViewSize = hSize;
+                graph.DataSource.VerticalViewSize = vSize;
+            }
+        }
+
+	}
+}

Assets/Chart And Graph/Tutorials/Zoom/GraphZoom.cs.meta

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Assets/Chart And Graph/Tutorials/Zoom/graph 1.unity.meta

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+timeCreated: 1553945564
+licenseType: Store
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