images[n].line(px, py, oldpx, oldpy ) unless first
end
images[mm].stroke_width(3)
images[mm].stroke('#000000')
images[mm].fill('#000000')
images[mm].line(px, py, oldpx, oldpy ) unless first
images[n].line(px, py, oldpx, oldpy ) unless first
end
images[mm].stroke_width(3)
images[mm].stroke('#000000')
images[mm].fill('#000000')
images[mm].line(px, py, oldpx, oldpy ) unless first