text: 			//if (io.MouseDelta.x!=0.f || io.MouseDelta.y!=0.f)   fprintf(stderr,"%d) MP{%1.0f,%1.0f} p1{%1.0f,%1.0f} p2{%1.0f,%1.0f} distanceSquared=%1.4f hoveredLinkDistSqrThres=%1.4f\n",link_idx,io.MousePos.x,io.MousePos.y,p1.x,p1.y,p2.x,p2.y,distanceSquared,hoveredLinkDistSqrThres);
  