public static bool IsTriangleInsectSphere(Vector3 p1, Vector3 p2, Vector3 p3, Vector3 center, float r, ref GeoInsectPointArrayInfo insect) { GeoPlane plane = GeoPlaneUtils.CreateFromTriangle(p1, p2, p3); bool isInsec = GeoPlaneUtils.IsPlaneInsectSphere(plane, center, r, ref insect); if (isInsec) { Vector3 c1 = insect.mHitGlobalPoint.mPointArray[0]; float rad = insect.mHitGlobalPoint.mPointArray[0][0]; insect.Clear(); return(IsTriangleInsectPlaneCircle2(p1, p2, p3, c1, rad, plane, ref insect)); } return(false); }