RosettaCodeData/Task/Box-the-compass/Visual-Basic-.NET/box-the-compass.vb

47 lines
1.5 KiB
VB.net

Module BoxingTheCompass
Dim _points(32) As String
Sub Main()
BuildPoints()
Dim heading As Double = 0D
For i As Integer = 0 To 32
heading = i * 11.25
Select Case i Mod 3
Case 1
heading += 5.62
Case 2
heading -= 5.62
End Select
Console.WriteLine("{0,2}: {1,-18} {2,6:F2}°", (i Mod 32) + 1, InitialUpper(GetPoint(heading)), heading)
Next
End Sub
Private Sub BuildPoints()
Dim cardinal As String() = New String() {"north", "east", "south", "west"}
Dim pointDesc As String() = New String() {"1", "1 by 2", "1-C", "C by 1", "C", "C by 2", "2-C", "2 by 1"}
Dim str1, str2, strC As String
For i As Integer = 0 To 3
str1 = cardinal(i)
str2 = cardinal((i + 1) Mod 4)
strC = IIf(str1 = "north" Or str1 = "south", str1 & str2, str2 & str1)
For j As Integer = 0 To 7
_points(i * 8 + j) = pointDesc(j).Replace("1", str1).Replace("2", str2).Replace("C", strC)
Next
Next
End Sub
Private Function InitialUpper(ByVal s As String) As String
Return s.Substring(0, 1).ToUpper() & s.Substring(1)
End Function
Private Function GetPoint(ByVal Degrees As Double) As String
Dim testD As Double = (Degrees / 11.25) + 0.5
Return _points(CInt(Math.Floor(testD Mod 32)))
End Function
End Module