'判断点在区域内函数 {]\Q UXH
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 N/A. 1W
Dim aob, boc, cod, doa, sum As Single Q?GmSeUi
If ppx = p1x And ppy = p1y Then 9w
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point_in = True cS98%@ DR
Exit Function 6#+&_ #9
End If Rx$5#K!%M
If ppx = p2x And ppy = p2y Then 0u4:=Z}W
point_in = True = kq!e
Exit Function ':71;^zXf
End If Q" UQv<
If ppx = p3x And ppy = p3y Then a G^kL
point_in = True M"OX NPkc
Exit Function m8F-#?~
End If eKl h }v
)#9R()n !
aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) cvpcadN[
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) #c V_p
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) $cri"G
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) tVUoUl
sum = aob + boc + cod + doa Mg.xGST
If 360.01 > sum And sum > 359.99 Then n&x#_B-
point_in = True r'/7kF- 5
Else OLc/Vij;
point_in = False r "OVu~ND
End If '&5A*X]d
End Function
