'判断点在区域内函数 YjX =@
Function point_in(p1x As Single, p1y As Single, p2x As Single, p2y As Single, p3x As Single, p3y As Single, p4x As Single, p4y As Single, ppx As Single, ppy As Single) As Boolean 4]B3C\
v
Dim aob, boc, cod, doa, sum As Single
5pok% g
If ppx = p1x And ppy = p1y Then *b)b#p
point_in = True R82Y&s;
Exit Function pt4xUu{
End If aydal 9M
If ppx = p2x And ppy = p2y Then Un/fP1
point_in = True 0&.lSwa
Exit Function I)Lb"
End If wi9|
If ppx = p3x And ppy = p3y Then 'QS"4EvdD
point_in = True ?
w?k-v
Exit Function [*vN`AfE
End If e6R "W9
KB"iF}\P0
aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) AfEEYP)N
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) u.[JYZ
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) jkP70Is
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) :7ngVc
sum = aob + boc + cod + doa 1ZL_;k
If 360.01 > sum And sum > 359.99 Then cLU*Tx\
point_in = True -$)Et |
Else if}]8
point_in = False *i{.@RX?
End If zrew:5*uZ
End Function
