add a GL geometry class for points, rendered as two quads
add a GL geometry class for points, rendered as two quads

tangrams/tangram,ceseale/tangram,xvilan/tangram,ceseale/tangram,tangrams/tangram,TitoAgudelo/tangram,DHaylock/tangram,ceseale/tangram,TitoAgudelo/tangram,xvilan/tangram,taylorhxu/tangram,zerebubuth/tangram,taylorhxu/tangram,zerebubuth/tangram,DHaylock/tangram,rosamcgee/tangram,TitoAgudelo/tangram,xvilan/tangram,DHaylock/tangram,rosamcgee/tangram,taylorhxu/tangram,zerebubuth/tangram,rosamcgee/tangram