Move maths functions out and use Pyrr
Move maths functions out and use Pyrr

jay3sh/vispy,bollu/vispy,QuLogic/vispy,jdreaver/vispy,inclement/vispy,sh4wn/vispy,julienr/vispy,michaelaye/vispy,Eric89GXL/vispy,inclement/vispy,dchilds7/Deysha-Star-Formation,jay3sh/vispy,bollu/vispy,jay3sh/vispy,hronoses/vispy,hronoses/vispy,jdreaver/vispy,Eric89GXL/vispy,julienr/vispy,ghisvail/vispy,michaelaye/vispy,julienr/vispy,sbtlaarzc/vispy,dchilds7/Deysha-Star-Formation,drufat/vispy,bollu/vispy,sbtlaarzc/vispy,QuLogic/vispy,kkuunnddaannkk/vispy,sh4wn/vispy,srinathv/vispy,srinathv/vispy,srinathv/vispy,RebeccaWPerry/vispy,ghisvail/vispy,inclement/vispy,jdreaver/vispy,dchilds7/Deysha-Star-Formation,kkuunnddaannkk/vispy,sbtlaarzc/vispy,hronoses/vispy,michaelaye/vispy,drufat/vispy,drufat/vispy,QuLogic/vispy,ghisvail/vispy,RebeccaWPerry/vispy,kkuunnddaannkk/vispy,Eric89GXL/vispy,RebeccaWPerry/vispy,sh4wn/vispy