constrain dragHelper within dragger
constrain dragHelper within dragger

ajssd/spectrum,GerHobbelt/spectrum,shawinder/spectrum,c9s/spectrum,inscriptionweb/spectrum,kotmatpockuh/spectrum,maurojs25/spectrum,safareli/spectrum,bgrins/spectrum,inscriptionweb/spectrum,ginlime/spectrum,Rise-Vision/spectrum,hakimel/slides-spectrum,liitii/spectrum,CodeLoversAt/spectrum,ajssd/spectrum,kotmatpockuh/spectrum,liitii/spectrum,maurojs25/spectrum,armanforghani/spectrum,ginlime/spectrum,GerHobbelt/spectrum,safareli/spectrum,shawinder/spectrum,armanforghani/spectrum,baiyanghese/slides-spectrum,bgrins/spectrum