Stop Foot Sliding With MotionBuilder and Python

 


Update

Oct. 29 2018 –

For the script to work in MotionBuilder 2018 I had to make a slight change. You can down load a new version of StopFootSliding here, I also made the changes to the script below in the original post.

The only difference between to last release and this one is that I removed an FBContainer, which was just a visual element and had no functional baring on the tool. The attribute FBContainer is no longer supported in MotionBuilder 2018, The new version is FBVisualContainer().

StopFootSliding v1.0 was giving this error in MotionBuilder 2018:

“cInfo = fb.FBContainer() AttributeError: ‘module’ object has no attribute ‘FBContainer'”.

Thanks Andy.HH for bringing this to my attention.


After exploring FBVector3d() and creating the Animated Align post, I started to think “Hey, why not use that same process and stop a foot from sliding!”. Using a reference frame we can grab the translation and rotation of an object and then over a range of time have that object match it referenced translations. I decided to work with layers when preventing foot sliding as to not destroy the original data.

Here is a quick demo of the tool (sorry for the poor audio).

You can down load the “StopFoorSliding” tool here.

Here is the script with my notes:


import pyfbsdk as fb
import pyfbsdk_additions as fba

def GetCurrentFrame():
    Frame = fb.FBSystem().LocalTime.GetFrame()
    return Frame
    
def GotoFrame(time):
    t = fb.FBTime(0, 0, 0, time, 0)
    fb.FBPlayerControl().Goto(t)

##Check For Conflicts In User's Desired Frame Ranges
def FrameCheck():
    ##Does Blend In Conflict With Start Frame
    if nBlendIn.Value > nStart.Value:
        fb.FBMessageBox( "Frame Input Error", "Blend In Frame Is Higher Than The Start Frame", "OK" )
        return False
    ##Does Start Frame Conflict Wtih End Frame
    if nEnd.Value < nStart.Value:
        fb.FBMessageBox( "Frame Input Error", "End Frame Is Lower Than The Start Frame", "OK" )
        return False
    ##Does Blend Out Frame Conflict With End Frame
    if nBlendOut.Value < nEnd.Value:
        fb.FBMessageBox( "Frame Input Error", "Blend Out Frame Is Lower Than The End Frame", "OK" )
        return False
    else:
        return True

##Get Selected Object
def GetSelObj():
    ModelList = fb.FBModelList()
    fb.FBGetSelectedModels(ModelList, None, True, True)
    if len(ModelList) == 1:
        for Model in ModelList:
            SelObjName = Model.LongName    
        return SelObjName
    else:
        fb.FBMessageBox( "Object Select Error", "Please Selecte An Object", "OK" )

##Get Layer Count
def GetLayerCount():
    return fb.FBSystem().CurrentTake.GetLayerCount()

##Zero The Translation and Rotation Of The Selected Object
def ZeroTRTransforms(YourObject):
    YourObject.Translation = fb.FBVector3d()
    YourObject.Rotation = fb.FBVector3d()

##Create The Layer We Will Work On
def CreateLayer():
    SelObj = GetSelObj()#.rsplit(':', 2)[2]
    fb.FBSystem().CurrentTake.CreateNewLayer()
    ##Set the new layer as the current one (Keys will be added to that layer)
    lCount = fb.FBSystem().CurrentTake.GetLayerCount()
    ##Name the Layer to be "Selected Object Name: Start Frame to End Frame" (ie. LeftHeelPivot: 100-150)
    fb.FBSystem().CurrentTake.GetLayer(lCount-1).Name = SelObj + " " + str( int(nStart.Value) ) + "-" + str( int(nEnd.Value) )
    fb.FBSystem().CurrentTake.SetCurrentLayer(lCount-1)

##Enure That Blend In, Ref Pose and Blend Out Translation And Roation Are Preserved
def PreserveFrames():
    ##Create A List Of Frame That We Want ZeroKeys To Be Set On
    ZeroFrames = ( int(nBlendIn.Value), int(nRef.Value), int(nBlendOut.Value) )
    ##Get Selected Object
    YourObject = GetSelObj()
    for FrameNumber in ZeroFrames:
        GotoFrame(FrameNumber)
        fb.FBPlayerControl().Key()

##For Each Frame Between The Defind Start Frame And End Frame We Will Create A Key
##And Match The Translation And Rotation To That Of The Values On The RefPose Frame
def MatchRefPose():
    GotoFrame( int(nRef.Value) )
    MyObject = GetSelObj()
    RefObjTrans = fb.FBVector3d()
    RefObjRot = fb.FBVector3d()
    fb.FBFindModelByLabelName(MyObject).GetVector (RefObjTrans, fb.FBModelTransformationMatrix.kModelTranslation, False)
    fb.FBFindModelByLabelName(MyObject).GetVector (RefObjRot, fb.FBModelTransformationMatrix.kModelRotation, False)
    GotoFrame( int(nStart.Value) )
    
    lval = ( int(nEnd.Value) - int(nStart.Value) )
    lprogsum = 1
    lpercent = (100.0/lval)
    
    for time in range ( int(nStart.Value), int(nEnd.Value) ):
        if time == int(nRef.Value):
            pass
        else:            
            GotoFrame(time)
            if bTR.State == 1:
                fb.FBFindModelByLabelName(MyObject).Translation = RefObjTrans
                fb.FBFindModelByLabelName(MyObject).Rotation = RefObjRot
                fb.FBPlayerControl().Key()
            if bTrans.State == 1:
                if bTX.State == 1:
                    lTX = RefObjTrans[0]
                if bTX.State != 1:
                    lTX = fb.FBFindModelByLabelName(MyObject).Translation[0]
                if bTY.State == 1:
                    lTY = RefObjTrans[1]
                if bTY.State != 1:
                    lTY = fb.FBFindModelByLabelName(MyObject).Translation[1]
                if bTZ.State == 1:
                    lTZ = RefObjTrans[2]
                if bTZ.State != 1:
                    lTZ = fb.FBFindModelByLabelName(MyObject).Translation[2]
                fb.FBFindModelByLabelName(MyObject).Translation = fb.FBVector3d(lTX, lTY, lTZ)
                fb.FBPlayerControl().Key()
            if bRot.State == 1:
                if bRX.State == 1:
                    lRX = RefObjRot[0]
                if bRX.State != 1:
                    lRX = fb.FBFindModelByLabelName(MyObject).Rotation[0]
                if bRY.State == 1:
                    lRY = RefObjRot[1]
                if bRY.State != 1:
                    lRY = fb.FBFindModelByLabelName(MyObject).Rotation[1]
                if bRZ.State == 1:
                    lRZ = RefObjRot[2]
                if bRZ.State != 1:
                    lRZ = fb.FBFindModelByLabelName(MyObject).Rotation[2]
                fb.FBFindModelByLabelName(MyObject).Rotation = fb.FBVector3d(lRX, lRY, lRZ)
                fb.FBPlayerControl().Key()
            


    
##UI Starts Here

hBlendIn = fb.FBLabel()
nBlendIn = fb.FBEditNumber()
bBlendIn = fb.FBButton()
hBlendOut = fb.FBLabel()
nBlendOut = fb.FBEditNumber()
bBlendOut = fb.FBButton()
hStart = fb.FBLabel()
nStart = fb.FBEditNumber()
bStart = fb.FBButton()
hEnd = fb.FBLabel()
nEnd = fb.FBEditNumber()
bEnd = fb.FBButton()
hRef = fb.FBLabel()
nRef = fb.FBEditNumber()
bRef = fb.FBButton()
bTR = fb.FBButton()
bTrans = fb.FBButton()
bTX = fb.FBButton()
bTY = fb.FBButton()
bTZ = fb.FBButton()
bRot = fb.FBButton()
bRX = fb.FBButton()
bRY = fb.FBButton()
bRZ = fb.FBButton()
bStopSliding = fb.FBButton()

##Get Current Frame For Blend In Time
def bBlendInCallBack(control, event):
    CurrentFrame = GetCurrentFrame()
    nBlendIn.Value = CurrentFrame

##Get Current Frame For Blend Out Time    
def bBlendOutCallBack(control, event):
    CurrentFrame = GetCurrentFrame()
    nBlendOut.Value = CurrentFrame

##Get Current Frame For Start Time    
def bStartCallBack(control, event):
    CurrentFrame = GetCurrentFrame()
    nStart.Value = CurrentFrame
    
##Get Current Frame For End Time    
def bBlendEndCallBack(control, event):
    CurrentFrame = GetCurrentFrame()
    nEnd.Value = CurrentFrame

##Get Current Frame For Reference Pose Time    
def bBlendRefCallBack(control, event):
    CurrentFrame = GetCurrentFrame()
    nRef.Value = CurrentFrame

##Match Translation and Rotation Transforms
def bTRCallBack(control, event):
    if bTR.State == 1:
        bTrans.Enabled = bTX.Enabled = bTY.Enabled = bTZ.Enabled = bRot.Enabled = bRX.Enabled = bRY.Enabled = bRZ.Enabled = False
        bTrans.State = bTX.State = bTY.State = bTZ.State = bRot.State = bRX.State = bRY.State = bRZ.State = False
    else:
        bTrans.Enabled = bTX.Enabled = bTY.Enabled = bTZ.Enabled = bRot.Enabled = bRX.Enabled = bRY.Enabled = bRZ.Enabled = True
        bTrans.State = bTX.State = bTY.State = bTZ.State = True

##Match Translation Transforms
def bTransCallBack(control, event):
    if bTrans.State == 0:
        bTX.State = bTY.State = bTZ.State = 0
    else:
        bTX.State = bTY.State = bTZ.State = 1

##Match Rotation Transforms        
def bRotCallBack(control, event):
    if bRot.State == 0:
        bRX.State = bRY.State = bRZ.State = 0
    else:
        bRX.State = bRY.State = bRZ.State = 1

##Stop Sliding        
def bStopSlidingCallBack(control, event):
    ##Check That There Is No Conflicts Between Inputs Blend In Frame, Start Frame, End Frame and Blend Out Frame
    Process = FrameCheck()
    if Process == True: 
        if bTR.State != 1 and bTrans.State != 1 and bRot.State != 1:
            fb.FBMessageBox( "Transform Match Error", "Please Select Which Transforms To Match", "OK" )
            pass
        else:
            ##Get Users Frame They Were On When Executing The Stop Sliding Button
            OrgFrame = GetCurrentFrame()
            ##Get Layer Count So We Can Later Compare
            lOrgLayCount = GetLayerCount()
            ##If The User Has An Object Selected Create A New Layer Named After That Object And The Frames Inputed
            CreateLayer()
            ##Fail Safe To See If The Layer Was Created
            lCurLayCount = GetLayerCount()
            ##If All Is Good
            if lCurLayCount > lOrgLayCount:
                PreserveFrames()
                MatchRefPose()
                GotoFrame(OrgFrame)
            ##If Stop Sliding Layer Was Not Able To Be Created    
            else:
               GotoFrame(OrgFrame)
               fb.FBMessageBox( "Could Not Process", "Please Ensure That A Foot Was Selected And Try Again", "OK" )
    else:
      fb.FBMessageBox( "Could Not Process", "Please Check The Frames You Have Inputed", "OK" )  
    

def PopulateTool(t):
    #populate regions here
    
    x = fb.FBAddRegionParam(5,fb.FBAttachType.kFBAttachNone,"")
    y = fb.FBAddRegionParam(10,fb.FBAttachType.kFBAttachNone,"")
    w = fb.FBAddRegionParam(105,fb.FBAttachType.kFBAttachNone,"")
    h = fb.FBAddRegionParam(15,fb.FBAttachType.kFBAttachNone,"")
    t.AddRegion("hBlendIn","hBlendIn", x, y, w, h)

    t.SetControl("hBlendIn", hBlendIn)
    hBlendIn.Visible = True
    hBlendIn.ReadOnly = False
    hBlendIn.Enabled = True
    hBlendIn.Hint = ""
    hBlendIn.Caption = "Blend In Frame"
    hBlendIn.Style = fb.FBTextStyle.kFBTextStyleNone
    hBlendIn.Justify = fb.FBTextJustify.kFBTextJustifyCenter
    hBlendIn.WordWrap = False
    
    x = fb.FBAddRegionParam(5,fb.FBAttachType.kFBAttachNone,"")
    y = fb.FBAddRegionParam(25,fb.FBAttachType.kFBAttachNone,"")
    w = fb.FBAddRegionParam(75,fb.FBAttachType.kFBAttachNone,"")
    h = fb.FBAddRegionParam(30,fb.FBAttachType.kFBAttachNone,"")
    t.AddRegion("nBlendIn","nBlendIn", x, y, w, h)

    t.SetControl("nBlendIn", nBlendIn)
    nBlendIn.Visible = True
    nBlendIn.ReadOnly = False
    nBlendIn.Enabled = True
    nBlendIn.Hint = ""
    nBlendIn.Value = 0.000000
    
    x = fb.FBAddRegionParam(80,fb.FBAttachType.kFBAttachNone,"")
    y = fb.FBAddRegionParam(25,fb.FBAttachType.kFBAttachNone,"")
    w = fb.FBAddRegionParam(30,fb.FBAttachType.kFBAttachNone,"")
    h = fb.FBAddRegionParam(30,fb.FBAttachType.kFBAttachNone,"")
    t.AddRegion("bBlendIn","bBlendIn", x, y, w, h)

    t.SetControl("bBlendIn", bBlendIn)
    bBlendIn.Visible = True
    bBlendIn.ReadOnly = False
    bBlendIn.Enabled = True
    bBlendIn.Hint = "Use Current Frame"
    bBlendIn.Caption = "{]"
    bBlendIn.State = 0
    bBlendIn.Style = fb.FBButtonStyle.kFBPushButton
    bBlendIn.Justify = fb.FBTextJustify.kFBTextJustifyCenter
    bBlendIn.Look = fb.FBButtonLook.kFBLookNormal
    bBlendIn.OnClick.Add(bBlendInCallBack) 
    
    x = fb.FBAddRegionParam(145,fb.FBAttachType.kFBAttachNone,"")
    y = fb.FBAddRegionParam(10,fb.FBAttachType.kFBAttachNone,"")
    w = fb.FBAddRegionParam(105,fb.FBAttachType.kFBAttachNone,"")
    h = fb.FBAddRegionParam(15,fb.FBAttachType.kFBAttachNone,"")
    t.AddRegion("hBlendOut","hBlendOut", x, y, w, h)

    t.SetControl("hBlendOut", hBlendOut)
    hBlendOut.Visible = True
    hBlendOut.ReadOnly = False
    hBlendOut.Enabled = True
    hBlendOut.Hint = ""
    hBlendOut.Caption = "Blend Out Frame"
    hBlendOut.Style = fb.FBTextStyle.kFBTextStyleNone
    hBlendOut.Justify = fb.FBTextJustify.kFBTextJustifyCenter
    hBlendOut.WordWrap = False
    
    x = fb.FBAddRegionParam(145,fb.FBAttachType.kFBAttachNone,"")
    y = fb.FBAddRegionParam(25,fb.FBAttachType.kFBAttachNone,"")
    w = fb.FBAddRegionParam(75,fb.FBAttachType.kFBAttachNone,"")
    h = fb.FBAddRegionParam(30,fb.FBAttachType.kFBAttachNone,"")
    t.AddRegion("nBlendOut","nBlendOut", x, y, w, h)

    t.SetControl("nBlendOut", nBlendOut)
    nBlendOut.Visible = True
    nBlendOut.ReadOnly = False
    nBlendOut.Enabled = True
    nBlendOut.Hint = ""
    nBlendOut.Value = 0.000000
    
    x = fb.FBAddRegionParam(220,fb.FBAttachType.kFBAttachNone,"")
    y = fb.FBAddRegionParam(25,fb.FBAttachType.kFBAttachNone,"")
    w = fb.FBAddRegionParam(30,fb.FBAttachType.kFBAttachNone,"")
    h = fb.FBAddRegionParam(30,fb.FBAttachType.kFBAttachNone,"")
    t.AddRegion("bBlendOut","bBlendOut", x, y, w, h)

    t.SetControl("bBlendOut", bBlendOut)
    bBlendOut.Visible = True
    bBlendOut.ReadOnly = False
    bBlendOut.Enabled = True
    bBlendOut.Hint = "Use Current Frame"
    bBlendOut.Caption = "{]"
    bBlendOut.State = 0
    bBlendOut.Style = fb.FBButtonStyle.kFBPushButton
    bBlendOut.Justify = fb.FBTextJustify.kFBTextJustifyCenter
    bBlendOut.Look = fb.FBButtonLook.kFBLookNormal
    bBlendOut.OnClick.Add(bBlendOutCallBack) 
    
    x = fb.FBAddRegionParam(5,fb.FBAttachType.kFBAttachNone,"")
    y = fb.FBAddRegionParam(65,fb.FBAttachType.kFBAttachNone,"")
    w = fb.FBAddRegionParam(105,fb.FBAttachType.kFBAttachNone,"")
    h = fb.FBAddRegionParam(15,fb.FBAttachType.kFBAttachNone,"")
    t.AddRegion("hStart","hStart", x, y, w, h)

    t.SetControl("hStart", hStart)
    hStart.Visible = True
    hStart.ReadOnly = False
    hStart.Enabled = True
    hStart.Hint = ""
    hStart.Caption = "Start Frame"
    hStart.Style = fb.FBTextStyle.kFBTextStyleNone
    hStart.Justify = fb.FBTextJustify.kFBTextJustifyCenter
    hStart.WordWrap = False
    
    x = fb.FBAddRegionParam(5,fb.FBAttachType.kFBAttachNone,"")
    y = fb.FBAddRegionParam(80,fb.FBAttachType.kFBAttachNone,"")
    w = fb.FBAddRegionParam(75,fb.FBAttachType.kFBAttachNone,"")
    h = fb.FBAddRegionParam(30,fb.FBAttachType.kFBAttachNone,"")
    t.AddRegion("nStart","nStart", x, y, w, h)

    t.SetControl("nStart", nStart)
    nStart.Visible = True
    nStart.ReadOnly = False
    nStart.Enabled = True
    nStart.Hint = ""
    nStart.Value = 0.000000
    
    x = fb.FBAddRegionParam(80,fb.FBAttachType.kFBAttachNone,"")
    y = fb.FBAddRegionParam(80,fb.FBAttachType.kFBAttachNone,"")
    w = fb.FBAddRegionParam(30,fb.FBAttachType.kFBAttachNone,"")
    h = fb.FBAddRegionParam(30,fb.FBAttachType.kFBAttachNone,"")
    t.AddRegion("bStart","bStart", x, y, w, h)

    t.SetControl("bStart", bStart)
    bStart.Visible = True
    bStart.ReadOnly = False
    bStart.Enabled = True
    bStart.Hint = "Use Current Frame"
    bStart.Caption = "{]"
    bStart.State = 0
    bStart.Style = fb.FBButtonStyle.kFBPushButton
    bStart.Justify = fb.FBTextJustify.kFBTextJustifyCenter
    bStart.Look = fb.FBButtonLook.kFBLookNormal
    bStart.OnClick.Add(bStartCallBack) 
    
    x = fb.FBAddRegionParam(145,fb.FBAttachType.kFBAttachNone,"")
    y = fb.FBAddRegionParam(65,fb.FBAttachType.kFBAttachNone,"")
    w = fb.FBAddRegionParam(105,fb.FBAttachType.kFBAttachNone,"")
    h = fb.FBAddRegionParam(15,fb.FBAttachType.kFBAttachNone,"")
    t.AddRegion("hEnd","hEnd", x, y, w, h)

    t.SetControl("hEnd", hEnd)
    hEnd.Visible = True
    hEnd.ReadOnly = False
    hEnd.Enabled = True
    hEnd.Hint = ""
    hEnd.Caption = "End Frame"
    hEnd.Style = fb.FBTextStyle.kFBTextStyleNone
    hEnd.Justify = fb.FBTextJustify.kFBTextJustifyCenter
    hEnd.WordWrap = False
    
    x = fb.FBAddRegionParam(145,fb.FBAttachType.kFBAttachNone,"")
    y = fb.FBAddRegionParam(80,fb.FBAttachType.kFBAttachNone,"")
    w = fb.FBAddRegionParam(75,fb.FBAttachType.kFBAttachNone,"")
    h = fb.FBAddRegionParam(30,fb.FBAttachType.kFBAttachNone,"")
    t.AddRegion("nEnd","nEnd", x, y, w, h)

    t.SetControl("nEnd", nEnd)
    nEnd.Visible = True
    nEnd.ReadOnly = False
    nEnd.Enabled = True
    nEnd.Hint = ""
    nEnd.Value = 0.000000
    
    x = fb.FBAddRegionParam(220,fb.FBAttachType.kFBAttachNone,"")
    y = fb.FBAddRegionParam(80,fb.FBAttachType.kFBAttachNone,"")
    w = fb.FBAddRegionParam(30,fb.FBAttachType.kFBAttachNone,"")
    h = fb.FBAddRegionParam(30,fb.FBAttachType.kFBAttachNone,"")
    t.AddRegion("bEnd","bEnd", x, y, w, h)

    t.SetControl("bEnd", bEnd)
    bEnd.Visible = True
    bEnd.ReadOnly = False
    bEnd.Enabled = True
    bEnd.Hint = "Use Current Frame"
    bEnd.Caption = "{]"
    bEnd.State = 0
    bEnd.Style = fb.FBButtonStyle.kFBPushButton
    bEnd.Justify = fb.FBTextJustify.kFBTextJustifyCenter
    bEnd.Look = fb.FBButtonLook.kFBLookNormal
    bEnd.OnClick.Add(bBlendEndCallBack) 
    
    x = fb.FBAddRegionParam(75,fb.FBAttachType.kFBAttachNone,"")
    y = fb.FBAddRegionParam(120,fb.FBAttachType.kFBAttachNone,"")
    w = fb.FBAddRegionParam(105,fb.FBAttachType.kFBAttachNone,"")
    h = fb.FBAddRegionParam(15,fb.FBAttachType.kFBAttachNone,"")
    t.AddRegion("hRef","hRef", x, y, w, h)

    t.SetControl("hRef", hRef)
    hRef.Visible = True
    hRef.ReadOnly = False
    hRef.Enabled = True
    hRef.Hint = ""
    hRef.Caption = "Reference Frame"
    hRef.Style = fb.FBTextStyle.kFBTextStyleBold
    hRef.Justify = fb.FBTextJustify.kFBTextJustifyCenter
    hRef.WordWrap = False
    
    x = fb.FBAddRegionParam(75,fb.FBAttachType.kFBAttachNone,"")
    y = fb.FBAddRegionParam(135,fb.FBAttachType.kFBAttachNone,"")
    w = fb.FBAddRegionParam(75,fb.FBAttachType.kFBAttachNone,"")
    h = fb.FBAddRegionParam(30,fb.FBAttachType.kFBAttachNone,"")
    t.AddRegion("nRef","nRef", x, y, w, h)

    t.SetControl("nRef", nRef)
    nRef.Visible = True
    nRef.ReadOnly = False
    nRef.Enabled = True
    nRef.Hint = ""
    nRef.Value = 0.000000
    
    x = fb.FBAddRegionParam(150,fb.FBAttachType.kFBAttachNone,"")
    y = fb.FBAddRegionParam(135,fb.FBAttachType.kFBAttachNone,"")
    w = fb.FBAddRegionParam(30,fb.FBAttachType.kFBAttachNone,"")
    h = fb.FBAddRegionParam(30,fb.FBAttachType.kFBAttachNone,"")
    t.AddRegion("bRef","bRef", x, y, w, h)

    t.SetControl("bRef", bRef)
    bRef.Visible = True
    bRef.ReadOnly = False
    bRef.Enabled = True
    bRef.Hint = "Use Current Frame"
    bRef.Caption = "{]"
    bRef.State = 0
    bRef.Style = fb.FBButtonStyle.kFBPushButton
    bRef.Justify = fb.FBTextJustify.kFBTextJustifyCenter
    bRef.Look = fb.FBButtonLook.kFBLookNormal
    bRef.OnClick.Add(bBlendRefCallBack) 
    
    x = fb.FBAddRegionParam(5,fb.FBAttachType.kFBAttachNone,"")
    y = fb.FBAddRegionParam(185,fb.FBAttachType.kFBAttachNone,"")
    w = fb.FBAddRegionParam(40,fb.FBAttachType.kFBAttachNone,"")
    h = fb.FBAddRegionParam(25,fb.FBAttachType.kFBAttachNone,"")
    t.AddRegion("bTR","bTR", x, y, w, h)

    t.SetControl("bTR", bTR)
    bTR.Visible = True
    bTR.ReadOnly = False
    bTR.Enabled = True
    bTR.Hint = "Affect Translation And Rotation"
    bTR.Caption = "TR"
    bTR.State = 0
    bTR.Style = fb.FBButtonStyle.kFBCheckbox
    bTR.Justify = fb.FBTextJustify.kFBTextJustifyLeft
    bTR.Look = fb.FBButtonLook.kFBLookNormal
    bTR.OnClick.Add(bTRCallBack) 
    
    x = fb.FBAddRegionParam(60,fb.FBAttachType.kFBAttachNone,"")
    y = fb.FBAddRegionParam(185,fb.FBAttachType.kFBAttachNone,"")
    w = fb.FBAddRegionParam(90,fb.FBAttachType.kFBAttachNone,"")
    h = fb.FBAddRegionParam(25,fb.FBAttachType.kFBAttachNone,"")
    t.AddRegion("bTrans","bTrans", x, y, w, h)

    t.SetControl("bTrans", bTrans)
    bTrans.Visible = True
    bTrans.ReadOnly = False
    bTrans.Enabled = True
    bTrans.Hint = "Affect Translation"
    bTrans.Caption = "Translation"
    bTrans.State = 1
    bTrans.Style = fb.FBButtonStyle.kFBCheckbox
    bTrans.Justify = fb.FBTextJustify.kFBTextJustifyLeft
    bTrans.Look = fb.FBButtonLook.kFBLookNormal
    bTrans.OnClick.Add(bTransCallBack) 
    
    x = fb.FBAddRegionParam(60,fb.FBAttachType.kFBAttachNone,"")
    y = fb.FBAddRegionParam(210,fb.FBAttachType.kFBAttachNone,"")
    w = fb.FBAddRegionParam(30,fb.FBAttachType.kFBAttachNone,"")
    h = fb.FBAddRegionParam(30,fb.FBAttachType.kFBAttachNone,"")
    t.AddRegion("bTX","bTX", x, y, w, h)

    t.SetControl("bTX", bTX)
    bTX.Visible = True
    bTX.ReadOnly = False
    bTX.Enabled = True
    bTX.Hint = ""
    bTX.Caption = "X"
    bTX.State = 1
    bTX.Style = fb.FBButtonStyle.kFBCheckbox
    bTX.Justify = fb.FBTextJustify.kFBTextJustifyLeft
    bTX.Look = fb.FBButtonLook.kFBLookNormal
    
    x = fb.FBAddRegionParam(90,fb.FBAttachType.kFBAttachNone,"")
    y = fb.FBAddRegionParam(210,fb.FBAttachType.kFBAttachNone,"")
    w = fb.FBAddRegionParam(30,fb.FBAttachType.kFBAttachNone,"")
    h = fb.FBAddRegionParam(30,fb.FBAttachType.kFBAttachNone,"")
    t.AddRegion("bTY","bTY", x, y, w, h)

    t.SetControl("bTY", bTY)
    bTY.Visible = True
    bTY.ReadOnly = False
    bTY.Enabled = True
    bTY.Hint = ""
    bTY.Caption = "Y"
    bTY.State = 1
    bTY.Style = fb.FBButtonStyle.kFBCheckbox
    bTY.Justify = fb.FBTextJustify.kFBTextJustifyLeft
    bTY.Look = fb.FBButtonLook.kFBLookNormal
    
    x = fb.FBAddRegionParam(120,fb.FBAttachType.kFBAttachNone,"")
    y = fb.FBAddRegionParam(210,fb.FBAttachType.kFBAttachNone,"")
    w = fb.FBAddRegionParam(30,fb.FBAttachType.kFBAttachNone,"")
    h = fb.FBAddRegionParam(30,fb.FBAttachType.kFBAttachNone,"")
    t.AddRegion("bTZ","bTZ", x, y, w, h)

    t.SetControl("bTZ", bTZ)
    bTZ.Visible = True
    bTZ.ReadOnly = False
    bTZ.Enabled = True
    bTZ.Hint = ""
    bTZ.Caption = "Z"
    bTZ.State = 1
    bTZ.Style = fb.FBButtonStyle.kFBCheckbox
    bTZ.Justify = fb.FBTextJustify.kFBTextJustifyLeft
    bTZ.Look = fb.FBButtonLook.kFBLookNormal
    
    x = fb.FBAddRegionParam(160,fb.FBAttachType.kFBAttachNone,"")
    y = fb.FBAddRegionParam(185,fb.FBAttachType.kFBAttachNone,"")
    w = fb.FBAddRegionParam(90,fb.FBAttachType.kFBAttachNone,"")
    h = fb.FBAddRegionParam(25,fb.FBAttachType.kFBAttachNone,"")
    t.AddRegion("bRot","bRot", x, y, w, h)

    t.SetControl("bRot", bRot)
    bRot.Visible = True
    bRot.ReadOnly = False
    bRot.Enabled = True
    bRot.Hint = ""
    bRot.Caption = "Rotation"
    bRot.State = 0
    bRot.Style = fb.FBButtonStyle.kFBCheckbox
    bRot.Justify = fb.FBTextJustify.kFBTextJustifyLeft
    bRot.Look = fb.FBButtonLook.kFBLookNormal
    bRot.OnClick.Add(bRotCallBack) 
    
    x = fb.FBAddRegionParam(160,fb.FBAttachType.kFBAttachNone,"")
    y = fb.FBAddRegionParam(210,fb.FBAttachType.kFBAttachNone,"")
    w = fb.FBAddRegionParam(30,fb.FBAttachType.kFBAttachNone,"")
    h = fb.FBAddRegionParam(30,fb.FBAttachType.kFBAttachNone,"")
    t.AddRegion("bRX","bRX", x, y, w, h)

    t.SetControl("bRX", bRX)
    bRX.Visible = True
    bRX.ReadOnly = False
    bRX.Enabled = True
    bRX.Hint = ""
    bRX.Caption = "X"
    bRX.State = 0
    bRX.Style = fb.FBButtonStyle.kFBCheckbox
    bRX.Justify = fb.FBTextJustify.kFBTextJustifyLeft
    bRX.Look = fb.FBButtonLook.kFBLookNormal 
    
    x = fb.FBAddRegionParam(190,fb.FBAttachType.kFBAttachNone,"")
    y = fb.FBAddRegionParam(210,fb.FBAttachType.kFBAttachNone,"")
    w = fb.FBAddRegionParam(30,fb.FBAttachType.kFBAttachNone,"")
    h = fb.FBAddRegionParam(30,fb.FBAttachType.kFBAttachNone,"")
    t.AddRegion("bRY","bRY", x, y, w, h)

    t.SetControl("bRY", bRY)
    bRY.Visible = True
    bRY.ReadOnly = False
    bRY.Enabled = True
    bRY.Hint = ""
    bRY.Caption = "Y"
    bRY.State = 0
    bRY.Style = fb.FBButtonStyle.kFBCheckbox
    bRY.Justify = fb.FBTextJustify.kFBTextJustifyLeft
    bRY.Look = fb.FBButtonLook.kFBLookNormal 
    
    x = fb.FBAddRegionParam(220,fb.FBAttachType.kFBAttachNone,"")
    y = fb.FBAddRegionParam(210,fb.FBAttachType.kFBAttachNone,"")
    w = fb.FBAddRegionParam(30,fb.FBAttachType.kFBAttachNone,"")
    h = fb.FBAddRegionParam(30,fb.FBAttachType.kFBAttachNone,"")
    t.AddRegion("bRZ","bRZ", x, y, w, h)

    t.SetControl("bRZ", bRZ)
    bRZ.Visible = True
    bRZ.ReadOnly = False
    bRZ.Enabled = True
    bRZ.Hint = ""
    bRZ.Caption = "Z"
    bRZ.State = 0
    bRZ.Style = fb.FBButtonStyle.kFBCheckbox
    bRZ.Justify = fb.FBTextJustify.kFBTextJustifyLeft
    bRZ.Look = fb.FBButtonLook.kFBLookNormal
    
    x = fb.FBAddRegionParam(0,fb.FBAttachType.kFBAttachNone,"")
    y = fb.FBAddRegionParam(270,fb.FBAttachType.kFBAttachNone,"")
    w = fb.FBAddRegionParam(255,fb.FBAttachType.kFBAttachNone,"")
    h = fb.FBAddRegionParam(50,fb.FBAttachType.kFBAttachNone,"")
    t.AddRegion("bStopSliding","bStopSliding", x, y, w, h)

    t.SetControl("bStopSliding", bStopSliding)
    bStopSliding.Visible = True
    bStopSliding.ReadOnly = False
    bStopSliding.Enabled = True
    bStopSliding.Hint = ""
    bStopSliding.Caption = "Stop Sliding"
    bStopSliding.State = 0
    bStopSliding.Style = fb.FBButtonStyle.kFBPushButton
    bStopSliding.Justify = fb.FBTextJustify.kFBTextJustifyCenter
    bStopSliding.Look = fb.FBButtonLook.kFBLookNormal
    bStopSliding.OnClick.Add(bStopSlidingCallBack) 
    
def CreateTool():
    t = fba.FBCreateUniqueTool("Stop Foot Sliding v1.0")
    t.StartSizeX = 270
    t.StartSizeY = 370
    PopulateTool(t)
    fb.ShowTool(t)
CreateTool()

I know you can create Effectors to lock down feet or use the “Copy Next/Previous Key On Selected IK Object”, but this was really fun to create and see it come about. I hope you enjoy learning from the script and as always, I hope this helps.

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