// DAZ Studio version 4.6.2.117 filetype DAZ Script
var pos = new DzVec3();

var minD = 1000000.0; //initialize the minimizer

var vmgr = MainWindow.getViewportMgr();
var vport = vmgr.getActiveViewport().get3DViewport();
var cam = vport.getCamera();
var camPos = cam.getWSPos()

heshootshescores()

function heshootshescores()
{
	var target = Scene.getPrimarySelection();
	if( !target )
	{
		return;
	}
	var bone;
	var facegroup = 0

	if( target.inherits( "DzBone" ) )
	{
		bone = target;
		target = target.getSkeleton();
		facegroup = 1
	}
	var obj = target.getObject()
	if( !obj )
	{
		return;
	}
	var msh = obj.getCachedGeom();
	if( facegroup )
	{
		facegroup = msh.findFaceGroup( bone.name );
		if( !facegroup )
		{
			//the bone has no faces so no facegroup
			return;
		}
	}
	var numPolys;
	if( facegroup )
	{
		numPolys = facegroup.count();
	}
	else
	{
		numPolys = msh.getNumFacets();
	}
	var step = 1;
	if( numPolys > 2000 )
	{
		step = numPolys / 2000;
		step = Math.round( step );
	}
	for( i = 0; i < numPolys; i += step )
	{
		if( facegroup )
		{
			ii = facegroup.getIndex( i );
			f = msh.getFacet( ii );
		}
		else
		{
			f = msh.getFacet( i );
		}		
		closest( msh, f.vertIdx1 )
		closest( msh, f.vertIdx2 )
		closest( msh, f.vertIdx3 )
		if( f.vertIdx4 >= 0 )
		{
			closest( msh, f.vertIdx4 )
		}
	}
	debug( pos.x + " " + pos.y + " " + pos.z );
	var marker = Scene.findNode( "mcjMarker" );
	if( !marker )
	{
		marker = new DzNode();
		marker.name = "mcjMarker";
		Scene.addNode( marker );
	}
	marker.setWSPos( pos );
}

function closest( msh, idx )
{
	var v = msh.getVertex( idx );
	var d = v.subtract( camPos ).length();
	if( d < minD )
	{
		minD = d;
		pos.x = v.x;
		pos.y = v.y;
		pos.z = v.z;
	} 
}

// Copyright (c) 2014 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files ( mcjClosestVertex ), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.