import org.openrndr.application import org.openrndr.extensions.SingleScreenshot import org.openrndr.extra.keyframer.Keyframer import org.openrndr.resourceUrl import java.net.URL fun main() = application { program { class Animation: Keyframer() { val position by Vector2Channel(arrayOf("x", "y")) } val animation = Animation() animation.loadFromJson(URL(resourceUrl("/demo-envelope-01.json"))) extend { animation(seconds) drawer.circle(animation.position, 100.0) } } }