对于圆的求交 应该避免重复的校验.

src/GraphicsSystem/IntersectWith.ts

@@ -102,7 +102,7 @@ export function IntersectCircleAndCircle(circle1: Circle, circle2: Circle, intTy
 export function IntersectCircleAndArc(circle: Circle, arc2: Arc, intType: IntersectOption)
 {
     let ptArr = this.IntersectCircleAndCircleOrArc(circle.Center, circle.Radius, arc2.Center, arc2.Radius);
-    return CheckPointOnCurve(ptArr, circle, arc2, intType);
+    return CheckPointOnCurve(ptArr, circle, arc2, intType | IntersectOption.ExtendThis);
 }
 
 //圆弧与圆弧
@@ -171,7 +171,7 @@ export function IntersectLineAndCircleOrArc(line: Line, center?: Vector3, radius
 export function IntersectLineAndCircle(line: Line, circle: Circle, intType: IntersectOption)
 {
     let ptArr = this.IntersectLineAndCircleOrArc(line, circle.Center, circle.Radius);
-    return CheckPointOnCurve(ptArr, line, circle, intType);
+    return CheckPointOnCurve(ptArr, line, circle, intType | IntersectOption.ExtendArg);
 }
 //直线和圆弧
 export function IntersectLineAndArc(line: Line, arc: Arc, intType: IntersectOption)