'判断点在区域内函数 ZxDh! _[s
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 Vrp]YR L`
Dim aob, boc, cod, doa, sum As Single Mu$ q) u
If ppx = p1x And ppy = p1y Then }$@K
point_in = True JmBMc }54
Exit Function # M
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End If #TgP:t]p
If ppx = p2x And ppy = p2y Then 5[" n] i
point_in = True 20Rm|CNH?
Exit Function n@oSLo`k,`
End If ,M\/[_:
If ppx = p3x And ppy = p3y Then B\dhw @hM
point_in = True E
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Exit Function 1aUu:#c
End If ] )zpx-
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aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) m
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boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) u^L_X A
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) H_l>L9/\
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) pQm-Hr78j
sum = aob + boc + cod + doa ^w*vux|F
If 360.01 > sum And sum > 359.99 Then D]V&1n
point_in = True q}&+{dN\1
Else '? E@H.""
point_in = False X(>aW*q
End If D VBsRV)/
End Function
