'判断点在区域内函数 #c!lS<z
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 4+8@`f>s
Dim aob, boc, cod, doa, sum As Single 1GcE) e!>
If ppx = p1x And ppy = p1y Then g! |kp?
point_in = True 8GUX{K
Exit Function va@Lz&sAE%
End If =;
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If ppx = p2x And ppy = p2y Then vk^xT
point_in = True 2[W&s&
Exit Function ZY+ qA
End If 5t]H?b8
If ppx = p3x And ppy = p3y Then Jn ov<+
point_in = True m: 2^= l4
Exit Function Y:[ u1~a
End If V)25$aKW7
)ez9"# MH'
aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) a`>B Ly5o
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) 0GeTS Fj
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) kl:Bfs )b
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) gM: " .Ee
sum = aob + boc + cod + doa 46h<,na?,
If 360.01 > sum And sum > 359.99 Then wmLs/:~
point_in = True %h!B^{0
Else (!WD1w
point_in = False X \/#@T
End If "chDg(jMZ
End Function
