'判断点在区域内函数 W(@> ?$&
Function point_in(p1x As Single, p1y As Single, p2x As Single, p2y As Single, p3x As Single, p3y As Single, p4x As Single, p4y As Single, ppx As Single, ppy As Single) As Boolean A8dI:E+$
Dim aob, boc, cod, doa, sum As Single SFO&=P:U
If ppx = p1x And ppy = p1y Then _bI+QC#
point_in = True 4 iH&:Al
Exit Function u@D .i4U
End If ~Fx&)kegTo
If ppx = p2x And ppy = p2y Then 6GKT yN
point_in = True jzrt7p*k}
Exit Function W/v|8-gcK
End If oBw}hH,hp
If ppx = p3x And ppy = p3y Then r'd/qnd
point_in = True aJ2H.E
Exit Function /2h][zrZ[.
End If 5\G)Q<A]*L
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aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) ?L`ZKRD
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) qeMv
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cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) j) 6G7T|
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) *g$agyOfh
sum = aob + boc + cod + doa eycV@|6u*
If 360.01 > sum And sum > 359.99 Then rv?!y8\
point_in = True X>/K/M
Else aQh?}=d a
point_in = False sV'v*
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End If VR v02m5
End Function
