Fixed line-3d example.
Fixed line-3d example.

corbanbrook/processing-js,jeresig/processing-js,baiyanghese/processing-js,corbanbrook/processing-js,annasob/processing-js,kevinb7/processing-js,jaredly/processing-js,corbanbrook/processing-js,guazipi/processing-js,jeresig/processing-js,guazipi/processing-js,annasob/processing-js,annasob/processing-js,baiyanghese/processing-js,kevinb7/processing-js,jaredly/processing-js