/// <summary>
/// 三个点构造一个平面
/// </summary>
public static Face PlaneFrom3Points(Vector3 pointA, Vector3 pointB, Vector3 pointC)
{
Vector3 vector = pointB - pointA;
Vector3 vector2 = pointC - pointA;
Vector3 planeNormal = Vector3.Normalize(Vector3.Cross(vector, vector2));
Vector3 vector3 = pointA + vector / 2f;
Vector3 vector4 = pointA + vector2 / 2f;
Vector3 lineVec = pointC - vector3;
Vector3 lineVec2 = pointB - vector4;
Math3d.ClosestPointsOnTwoLines(vector3, lineVec, vector4, lineVec2, out Vector3 planePoint, out Vector3 vector5);
return(new Face(planePoint, planeNormal));
}
// Token: 0x06001A0D RID: 6669 RVA: 0x000BA974 File Offset: 0x000B8B74
public static bool AreLineSegmentsCrossing(Vector3 pointA1, Vector3 pointA2, Vector3 pointB1, Vector3 pointB2)
{
Vector3 vector = pointA2 - pointA1;
Vector3 vector2 = pointB2 - pointB1;
bool flag = Math3d.ClosestPointsOnTwoLines(pointA1, vector.normalized, pointB1, vector2.normalized, out Vector3 point, out Vector3 point2);
if (flag)
{
int num = Math3d.PointOnWhichSideOfLineSegment(pointA1, pointA2, point);
int num2 = Math3d.PointOnWhichSideOfLineSegment(pointB1, pointB2, point2);
return(num == 0 && num2 == 0);
}
return(false);
}
