// default assignments for Joint : 
p1_refno=-1;
p2_refno=-1;
d.x=0;
d.y=0;
d.z=0;
stif=1.0;
rotstif=1.0;
stamina=0.25;
vis_style="joint";
vcolor.x=0.5;
vcolor.y=0.5;
vcolor.z=0.5;