obj.load("figure",name[,color[,size[,line[,aspect]]])
obj.load("figure","円",RGB(0,173,124))
obj.load("figure","四角形",0xc0ffee,250,30)
obj.load("figure","背景",0x80ff80)
obj.draw()
for i=0,1,0.1 do
  obj.load("figure","三角形",RGB(255*i,255*i,255*i),30)
  obj.draw((i-0.5)*600)
end