import org.openrndr.application
import org.openrndr.color.ColorRGBa
import org.openrndr.draw.isolated
import org.openrndr.extensions.SingleScreenshot
import org.openrndr.extra.timeoperators.LFO
import org.openrndr.extra.timeoperators.LFOWave
import org.openrndr.extra.timeoperators.TimeOperators

fun main() = application {
    program {
        val size = LFO()
        val rotation = LFO(LFOWave.Sine)
        if (System.getProperty("takeScreenshot") == "true") {
            extensions.filterIsInstance<SingleScreenshot>().forEach {
                it.delayFrames = 10
            }
        }
        extend(TimeOperators()) {
            track(size, rotation)
        }
        extend {
            drawer.isolated {
                drawer.stroke = ColorRGBa.PINK
                drawer.fill = ColorRGBa.PINK

                drawer.translate(width / 2.0, height / 2.0)
                drawer.rotate(rotation.sample() * 180.0)

                val side = (size.sample(0.5) * 400.0) / 2.0
                val offset = side / 2.0

                drawer.rectangle(0.0 - offset, 0.0 - offset, side, side)
            }
        }
    }
}