play:data2viz

import io.data2viz.color.* import io.data2viz.geom.* import io.data2viz.math.* import io.data2viz.viz.* fun main() { viz { size = size(600, 600) //<- you need a viz size var pos: Pair<Double, Double> = Pair(-25.0, 25.0) (0..15).forEach { path { pos = pos.next() moveTo(pos.first, pos.second) arc(pos.first, pos.second, 25.0, .0, it * (2 * PI / 8.0), false) closePath() fill = Colors.Web.grey strokeColor = null } } }.bindRendererOnNewCanvas() } private fun Pair<Double, Double>.next(): Pair<Double, Double> { var x = first var y = second if (x >= 350) { x = 25.0 y += 50.0 } else x += 50.0 return Pair(x, y) }