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@@ -1,5 +1,6 @@
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using System.Collections;
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using System.Collections.Generic;
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+using Unity.VisualScripting;
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using UnityEngine;
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using UnityEngine.EventSystems;
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using XCharts.Runtime;
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@@ -29,73 +30,96 @@ public class LinePath : MonoBehaviour
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public int completeNum;
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public string dateTime;
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- public LineRenderer line;
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+ public LineRenderer lineRenderer;
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private List<Vector3> points = new List<Vector3>();
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// Use this for initialization
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- public void Start()
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+ PolygonCollider2D polygonCollider; //添加多边形碰撞
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+ private float colliderWidth;
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+ void Start()
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{
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- line = this.GetComponent<LineRenderer>();
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-
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- points.Clear();
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- // line = lines;
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- GameObject caret = null;
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- caret = new GameObject("Lines");
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- Vector3 left, right; // A position to the left of the current line
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- // For all but the last point
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- for (var i = 0; i < line.positionCount - 1; i++)
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+ lineRenderer = this.GetComponent<LineRenderer>();
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+ polygonCollider = gameObject.GetComponent<PolygonCollider2D>();
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+
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+ // 获取LineRenderer的点在世界坐标系中的位置
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+ Vector3[] worldPositions = new Vector3[2];
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+ lineRenderer.GetPositions(worldPositions);
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+
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+ // 将世界坐标系中的点转换为局部坐标系
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+ Vector2[] localPositions = new Vector2[worldPositions.Length];
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+ for (int i = 0; i < worldPositions.Length; i++)
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{
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- caret.transform.position = line.GetPosition(i);
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- caret.transform.LookAt(line.GetPosition(i + 1));
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- right = caret.transform.position + transform.right * line.startWidth / 2;
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- left = caret.transform.position - transform.right * line.startWidth / 2;
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- points.Add(left);
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- points.Add(right);
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+ Vector3 localPos = transform.InverseTransformPoint(worldPositions[i]);
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+ localPositions[i] = new Vector2(localPos.x, localPos.y); // 只使用X和Y分量
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}
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- // Last point looks backwards and reverses
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- caret.transform.position = line.GetPosition(line.positionCount - 1);
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- caret.transform.LookAt(line.GetPosition(line.positionCount - 2));
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- right = caret.transform.position + transform.right * line.startWidth / 2;
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- left = caret.transform.position - transform.right * line.startWidth / 2;
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- points.Add(left);
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- points.Add(right);
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- Destroy(caret);
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- DrawMesh();
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- }
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+ List<Vector2> colliderPath = GetColliderPath(localPositions);
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+
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+ // 设置PolygonCollider2D的路径
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+ polygonCollider.SetPath(0, colliderPath.ToArray());
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- private void DrawMesh()
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+ // 调整PolygonCollider2D的位置以匹配LineRenderer的Z轴位置
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+ AdjustColliderZPosition(worldPositions);
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+ }
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+
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+ List<Vector2> GetColliderPath(Vector2[] pointList2)
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{
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- Vector3[] verticies = new Vector3[points.Count];
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- for (int i = 0; i < verticies.Length; i++)
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+ // 碰撞体宽度
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+ colliderWidth = lineRenderer.startWidth;
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+
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+ List<Vector2> edgePointList = new List<Vector2>();
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+
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+ for (int j = 1; j < pointList2.Length; j++)
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{
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- verticies[i] = points[i];
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+ // 当前点指向前一点的向量
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+ Vector2 distanceVector = pointList2[j - 1] - pointList2[j];
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+ // 法线向量
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+ Vector2 crossVector = new Vector2(-distanceVector.y, distanceVector.x);
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+ // 标准化，单位向量
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+ Vector2 offsetVector = crossVector.normalized;
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+ // 沿法线方向与法线反方向各偏移一定距离
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+ Vector2 up = pointList2[j - 1] + 0.5f * colliderWidth * offsetVector;
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+ Vector2 down = pointList2[j - 1] - 0.5f * colliderWidth * offsetVector;
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+ // 分别加到List的首位和末尾，保证List中的点位可以围成一个闭合且不交叉的折线
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+ edgePointList.Insert(0, down);
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+ edgePointList.Add(up);
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+ // 加入最后一点
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+ if (j == pointList2.Length - 1)
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+ {
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+ up = pointList2[j] + 0.5f * colliderWidth * offsetVector;
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+ down = pointList2[j] - 0.5f * colliderWidth * offsetVector;
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+ edgePointList.Insert(0, down);
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+ edgePointList.Add(up);
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+ }
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}
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- int[] triangles = new int[((points.Count / 2) - 1) * 6];
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- //Works on linear patterns tn = bn+c
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- int position = 6;
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- for (int i = 0; i < (triangles.Length / 6); i++)
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+ // 返回点位
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+ return edgePointList;
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+ }
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+
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+
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+ void AdjustColliderZPosition(Vector3[] worldPositions)
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+ {
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+ if (worldPositions.Length == 0) return;
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+
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+ // 获取LineRenderer的平均Z位置
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+ float averageZ = 0;
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+ foreach (var pos in worldPositions)
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{
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- triangles[i * position] = 2 * i;
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- triangles[i * position + 3] = 2 * i;
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- triangles[i * position + 1] = 2 * i + 3;
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- triangles[i * position + 4] = (2 * i + 3) - 1;
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- triangles[i * position + 2] = 2 * i + 1;
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- triangles[i * position + 5] = (2 * i + 1) + 2;
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+ averageZ += pos.z;
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}
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- Mesh mesh = GetComponent<MeshFilter>().mesh;
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- mesh.Clear();
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- mesh.vertices = verticies;
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- mesh.triangles = triangles;
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- mesh.RecalculateNormals();
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- }
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+ averageZ /= worldPositions.Length;
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+ // 设置PolygonCollider2D的Z位置
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+ var colliderTransform = polygonCollider.transform;
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+ var colliderPosition = colliderTransform.position;
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+ colliderTransform.position = new Vector3(colliderPosition.x, colliderPosition.y, averageZ);
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+ }
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public void OnShow()
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{
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if (RKZYLayer.lineInfoStatic)
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{
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RKZYLayer.lineInfoStatic.SetData(this);
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- RKZYLayer.lineInfoStatic.GetComponent<RectTransform>().anchoredPosition = this.GetComponent<RectTransform>().anchoredPosition;
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+ //RKZYLayer.lineInfoStatic.GetComponent<RectTransform>().anchoredPosition = this.GetComponent<RectTransform>().anchoredPosition;
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RKZYLayer.lineInfoStatic.linePaths.Add(this);
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}
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}
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wartheking