Maya Deformers Bake to Unity
//This MEL script allows to create and constrain joints to selected poly vertices -
//BY RICCARDO FAGA - [email protected] - www.ricfaga3d.netsons.org
//Declare and initialize variables
string $vertexSelection [];
clear $vertexSelection;
$vertexSelection = `ls -sl -fl`;
string $jointSelection [];
clear $jointSelection;
string $joint = "";
string $vertex = "";
float $xyz[];
clear $xyz;
string $rejoint = "";
string $repoly = "";
float $uv[];
clear $uv;
string $vtxuv[];
clear $vtxuv;
int $i=0;
//Create and rename joints on the selected poly vertices
for ($vertex in $vertexSelection)
{
select -cl ;
$repoly = `substitute ".v.*" $vertex ""`;
$xyz = `pointPosition -w $vertex`;
$rejoint = `substitute ".*x." $vertex ""`;
$rejoint = `substitute "].*" $rejoint ""`;
$rejoint = $repoly + "joint" + $rejoint;
joint -p $xyz[0] $xyz[1] $xyz[2] -n $rejoint;
$jointSelection[$i] = $rejoint;
$i = $i+1;
select -cl ;
}
//Create and assign point On Poly constain
for ($joint in $jointSelection)
{
$vertex = `substitute "joint" $joint ".vtx["`;
$vertex = $vertex + "]";
select -cl;
select -r $vertex;
$vtxuv = `polyListComponentConversion -fv -tuv`;
$uv = `polyEditUV -q $vtxuv`;
select -cl;
select -r $vertex;
select -tgl $joint;
doCreatePointOnPolyConstraintArgList 2 { "0" ,"0" ,"0" ,"1" ,"" ,"1" ,"0" ,"0" ,"0" ,"0" };
{string $constraint[]=`pointOnPolyConstraint -offset 0 0 0 -weight 1`;
setAttr ($constraint[0]+"."+`substitute ".vtx.*" $vertex "U0"`) $uv[0];
setAttr ($constraint[0]+"."+`substitute ".vtx.*" $vertex "V0"`) $uv[1];
};
select -cl;
}