fix: If the starting or ending point is the same as the intersection… (…

…antvis#4279)

fix:  If the starting or ending point is the same as the intersection point, return

antvis#4042
antvis#3828
解决跳线异常问题

packages/x6/src/registry/connector/jumpover.ts

@@ -68,6 +68,18 @@ function findLineIntersections(line: Line, crossCheckLines: Line[]) {
   crossCheckLines.forEach((crossCheckLine) => {
     const intersection = line.intersectsWithLine(crossCheckLine)
     if (intersection) {
+      const { x, y } = intersection;
+      const { start, end } = crossCheckLine;
+      const startIsIntersection =
+        Math.round(start.x) === Math.round(x) &&
+        Math.round(start.y) === Math.round(y);
+      const endIsIntersection =
+        Math.round(end.x) === Math.round(x) &&
+        Math.round(end.y) === Math.round(y);
+      //If the starting or ending point is the same as the intersection point, return
+      if (startIsIntersection || endIsIntersection) {
+        return;
+      }
       intersections.push(intersection)
     }
   })