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 radius by DoubleChannel("x") } val animation = Animation() animation.loadFromJson(URL(resourceUrl("/demo-simple-expressions-01.json")), parameters = mapOf("cycleDuration" to 2.0)) extend { animation(seconds) drawer.circle(animation.position, animation.radius) } } }