'判断点在区域内函数 nPN?kO=]
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 6?qDdVR~]
Dim aob, boc, cod, doa, sum As Single paW@\1 Q
If ppx = p1x And ppy = p1y Then /*$hx @ih
point_in = True oFDz;6
Exit Function 5|I55CTx
End If A(8n
If ppx = p2x And ppy = p2y Then yHeEobvb
point_in = True DWU`\9xA*
Exit Function /6K Il
End If Pf <[|yu4?
If ppx = p3x And ppy = p3y Then =8Ehrlq
point_in = True `y^sITr
Exit Function -r<#rITH"
End If @F~LW6K
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aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) Nc)J18
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) >?l OE
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cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) :7g=b%;
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) x%N\5 V1
sum = aob + boc + cod + doa ~rD={&0
If 360.01 > sum And sum > 359.99 Then F'JY?
point_in = True t<j^q`;@v
Else +n L+ N
point_in = False k5`OH8G
End If HYK!}&
End Function
