public static GetAngleBetweenLines ( IntPoint a1, IntPoint a2, IntPoint b1, IntPoint b2 ) : double | ||
a1 | IntPoint | A point on the first line. |
a2 | IntPoint | Another point on the first line. |
b1 | IntPoint | A point on the second line. |
b2 | IntPoint | Another point on the second line. |
return | double |