'G78
'08/20/05 Edited the macro for the new engine
'Rev1.2 5/10/05 Bug fixed that would kick out an error if taper=0 
'Rev1.1 2/7/05 There was a bug that would make a bad cut if a large angle was called Fixed with "sometrig" 
'(Xx.xxxx XDia NEEDED)
'(Zx.xxxx End Z NEEDED)
'(Fx.xxxx Feedrate)
'(can be Set In the settings page: 'Hx.xxxx Depth of cut)
'(Cx.xxxx Clearance In the X)
'(Qx.xxxx Clearance In the Z)
'(Kx.xxxx ZStartpoint)
'(Rx.xxxx XStartpoint)
'(Tx.xxxx Taper In Deg)
 Sub Main() 
ZClearance =  Abs(tZClear()) 'This one it not avalable 
XClearance = Abs(tClearX()) 
StartX = tXStart() 
StartZ = tZStart() 
EndX = tEndX() 
EndZ = tEndZ() 
Taper = tTaper() 
FirstPassDepth = tFirstPass() 
RoughAmount =  tCutDepth() 
Feed =  FeedRate() 
 
If StartX < EndX Then 
   IdOd = -1 
Else 
   IdOd = 1 
End If 
 
If StartZ > EndZ Then 
  RightLeft = 1 
Else 
  RightLeft = -1 
End If 
PI = 3.1415926 
If Taper <> 0  Then 
  ZCalc = Abs(StartX - EndX) /Tan((Taper * PI)/180) 
    If ZCalc < Abs(StartZ-EndZ) Then 
      If RightLeft = 1 Then 
         EndZ = StartZ - ZCalc 
       Else 
         EndZ = StartZ + ZCalc 
      End If 
   End If 
End If 
 
'OpenTeachFile "TEST.Tap" 
'Calc the distance X needed to make the taper angle 
Taper = Abs (StartZ - EndZ)* Tan((Taper * PI)/180) 
 'Code "( End X =" &EndX & ")" 
'Code "(Rough amout = " & RoughAmount &")" 
'Code "(Taper = " &Taper& ")" 
Code "G0 X" & StartX + XClearance *IdOd & " Z" & StartZ +  ZClearance * RightLeft 
Code     "F" & Feed 
PassNum = 1                     
LastPassDepth = StartZ                     
LoopExit = 0                     
Do     
  PassDepth = StartZ - (RoughAmount * PassNum* RightLeft)                     
  If RightLeft = 1 And PassDepth < EndZ Or RightLeft = -1 And PassDepth > EndZ Then                     
      PassDepth = EndZ            
      LoopExit = 1                     
  End If                     
  Code "G01 Z" & PassDepth                     
  XendPos = EndX + ((Taper * (StartZ - PassDepth)) / (StartZ-EndZ))                     
  Code "G01 X" & XendPos                     
  XendPos = EndX + ((Taper * (StartZ - LastPassDepth)) / (StartZ-EndZ))                     
  Code " G01X" & XendPos & "Z" & LastPassDepth                     
  Code "G01 X" & XendPos + XClearance *IdOd & "Z" & LastPassDepth + ZClearance * RightLeft                     
  Code " G0 X" & StartX + XClearance *IdOd                     
  LastPassDepth = PassDepth                     
                      
  If LoopExit = 1 Then                     
       Exit Do                     
     End If     
       If PassNum = 300 Then                     
           Exit Do     
  End If                     
LastPassDia = PassDia                     
  PassNum = PassNum + 1                     
Loop                     
Code "G0 X" & StartX & " Z" & StartZ                     
                    
 'CloseTeachFile                     
'Call LoadTeachFile()                     

End Sub                     
Main