'判断点在区域内函数 5k3n\sqZA
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 w%VU/6~
Dim aob, boc, cod, doa, sum As Single Z!#!Gu*V
If ppx = p1x And ppy = p1y Then z8~NZ;A
point_in = True ./k/KSR
Exit Function k\YG^I
End If `PdQX.wN
If ppx = p2x And ppy = p2y Then t#/YN.@r
point_in = True a
%'the
Exit Function u\x}8pn
End If ? )?Ng}
If ppx = p3x And ppy = p3y Then V _/%b)*
point_in = True Un(aW=PQ0
Exit Function /y#f3r+*2
End If e7r -R3_
g^2OkV(
aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) !/*\}\'4
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) E7 Ul;d
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) gQelD6 c
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) d> &,9c%
sum = aob + boc + cod + doa =:,g
If 360.01 > sum And sum > 359.99 Then *74MWF@IY
point_in = True +I:Unp
Else B6nX$T4zP
point_in = False vq0Tk
bzs
End If PbgP\JeX
End Function
