kdSegmentJointV1.1.mel

gistfile1.tcl

//////////////////////////////////////////////////////////////////////////
///                                                                    ///
/// SCRIPT:           kdSegmentJointV1.1.mel - MEL Script              ///
///                                                                    ///
/// AUTHOR:           Kory Dondzila - kory@korydondzila.com            ///
///                   www.korydondzila.com                             ///
///                                                                    ///
/// DESCRIPTION:           Divides the selected joint into equal       ///
///                   segments.                                        ///
///                                                                    ///
/// USAGE:            Source script then run: segmentJointUI();        ///
///                                                                    ///
/// EDITS TO DO:      N/A                                              ///
///                                                                    ///
/// THINGS TO ADD:    N/A                                              ///
///                                                                    ///
/// VERSIONS:         1.0 - Oct 26, 2011 - Initial Release             ///
///                   1.1 - Jul 31, 2012 - Fixed error and coding.     ///
///                                                                    ///
//////////////////////////////////////////////////////////////////////////

// This is the procedure that segments the joint.
proc segment( string $segmentField, string $orient1, string $orient2, string $orient3, string $orient4 )
{
    // Gets the selected joints, procedure returns if
    // no joints are selected or there is no child joints.
    string $selJnt[] = `ls -typ "joint" -sl -dag`;
    if ( size( $selJnt ) == 0 )
    {
        confirmDialog -t "Warning" -m "No joint was selected." -ma "center" -b "OK" -db "OK" -cb "OK" -ds "OK" -icn "warning";
        return;
    }
    else if ( size( $selJnt ) == 1 )
    {
        confirmDialog -t "Warning" -m "Only one joint was selected.\nSelect a joint with a child joint." -ma "center" -b "OK" -db "OK" -cb "OK" -ds "OK" -icn "warning";
        return;
    }
    
    // Gets the number of segments from the UI.
    int $seg = `intSliderGrp -q -v $segmentField`;
    
    // Gets the selected orientation.
    int $whichOrient1 = `radioButtonGrp -q -sl $orient1`;
    int $whichOrient2 = `radioButtonGrp -q -sl $orient2`;
    string $jntOrient;
    
    // If the first button grp has a button selected
    // assign a string based on case.  Else go to the second
    // button grp.
    if ( $whichOrient1 > 0 )
    {
        switch ( $whichOrient1 )
        {
            case 1:
                $jntOrient = "xyz";
                break;
            case 2:
                $jntOrient = "yxz";
                break;
            case 3:
                $jntOrient = "zxy";
                break;
            case 4:
                $jntOrient = "none";
                break;
        }
    }
    else
    {
        switch ( $whichOrient2 )
        {
            case 1:
                $jntOrient = "xzy";
                break;
            case 2:
                $jntOrient = "yzx";
                break;
            case 3:
                $jntOrient = "zyx";
                break;
        }
    }
    
    // Gets the selected second axis orientation.
    int $whichOrient3 = `radioButtonGrp -q -sl $orient3`;
    int $whichOrient4 = `radioButtonGrp -q -sl $orient4`;
    string $secOrient;
    
    // If the third button grp has a button selected
    // assign a string based on case.  Else go to the fourth
    // button grp.
    if ( $whichOrient3 > 0 )
    {
        switch ( $whichOrient3 )
        {
            case 1:
                $secOrient = "xup";
                break;
            case 2:
                $secOrient = "yup";
                break;
            case 3:
                $secOrient = "zup";
                break;
        }
    }
    else
    {
        switch ( $whichOrient4 )
        {
            case 1:
                $secOrient = "xdown";
                break;
            case 2:
                $secOrient = "ydown";
                break;
            case 3:
                $secOrient = "zdown";
                break;
        }
    }
    
    // Gets the positions of the selected joint and it's child joint.
    vector $sjPos = ( `joint -q -p $selJnt[ 0 ]` );
    vector $ejPos = ( `joint -q -p $selJnt[ 1 ]` );
    string $crJnt[];
    float $radius = ( `getAttr ( $selJnt[ 0 ]+".radius" )` );
    
    // Input an integer for the TOTAL number of segments you need, for $seg.
    select -cl;
    
    // For loop creates joints in the proper position
    // and assigns them to an array and parents the first created joint
    // to the start joint and parents the end joint to the last created joint.
    for ( $i = $seg; $i > 1; $i-- )
    {
        int $x = abs ( $i - $seg );
        $crJnt[ $x ] = `joint -p ( ( ( ( ( $sjPos.x ) - ( $ejPos.x ) ) / $seg ) * ( $i - 1 ) ) + ( $ejPos.x ) )
                                 ( ( ( ( ( $sjPos.y ) - ( $ejPos.y ) ) / $seg ) * ( $i - 1 ) ) + ( $ejPos.y ) )
                                 ( ( ( ( ( $sjPos.z ) - ( $ejPos.z ) ) / $seg ) * ( $i - 1 ) ) + ( $ejPos.z ) ) -rad $radius`;
        if ( $x == 0 )
            parent $crJnt[ $x ] $selJnt[ 0 ];
        if ( ( $x + 1 ) == ( $seg - 1 ) )
            parent $selJnt[ 1 ] $crJnt[ $x ];
    }
    
    // Orients the joints.
    joint -e -oj $jntOrient -sao $secOrient -zso -ch $selJnt[ 0 ];
}

// Main call procedure, sets up and creates the window.
global proc segmentJointUI()
{
    // If window exists then delete it.  Prevents multiple instances of the
    // same window.
    if ( `window -q -ex segJoint` ) deleteUI segJoint;
    
    // Declares global strings.
    global string $segmentField;
    global string $orient1;
    global string $orient2;
    global string $orient3;
    global string $orient4;
    
    // Makes window size to everything in it.
    string $dialogBoxWindow = `window -t "Segment Joint" -rtf 1 segJoint`;
    
    columnLayout -adj 1;
        frameLayout -l "Segments";
            $segmentField = `intSliderGrp -l "Segments" -f 1 -min 2 -max 10 -fmx 100 -v 3`;
        setParent ..;
        
        frameLayout -l "Orientation";
            $orient1 = `radioButtonGrp -nrb 4 -sl 1 -la4 "xyz" "yxz" "zxy" "None"`;
            $orient2 = `radioButtonGrp -nrb 3 -scl $orient1 -la3 "xzy" "yzx" "zyx"`;
        setParent ..;
        frameLayout -l "Second Axis Orientation";
            $orient3 = `radioButtonGrp -nrb 3 -sl 1 -la3 "+ X" "+ Y" "+ Z"`;
            $orient4 = `radioButtonGrp -nrb 3 -scl $orient3 -la3 "- X" "- Y" "- Z"`;
        setParent ..;
        
        button -l "Segment Joint" -c "segment( $segmentField, $orient1, $orient2, $orient3, $orient4 )";
    
    // Show the window.        
    showWindow $dialogBoxWindow;
}