'判断点在区域内函数 2v%~KV
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 8 wC3}U
Dim aob, boc, cod, doa, sum As Single 7b'XQ/rs
If ppx = p1x And ppy = p1y Then v?d ~H`L
point_in = True (A( d]l
Exit Function O o=} j
End If /=Q7RJ@P
If ppx = p2x And ppy = p2y Then wU+ofj;
+I
point_in = True trgj]|?M
Exit Function {f3T !e{
End If :X2B+ }6_&
If ppx = p3x And ppy = p3y Then 4y)"IOd#|
point_in = True ,v)@&1Wh:
Exit Function c9f~^}jNb
End If WERK JA
&XgB-}^:
aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) pD`7N<F 3
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) r6MQ|@
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) dwJ 'hg
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) M^+~r,D1u
sum = aob + boc + cod + doa n*bbmG1
If 360.01 > sum And sum > 359.99 Then G 9}[g)R*
point_in = True m 0un=>{
Else 5O*. qp?
point_in = False l'-iIbKX
End If a.c2ScXG
End Function
