import org.openrndr.application
import org.openrndr.color.ColorRGBa
import org.openrndr.extra.composition.ClipMode
import org.openrndr.extra.composition.composition
import org.openrndr.extra.composition.drawComposition

fun main() = application {
    program {
        val cd = drawComposition {
            fill = null
            clipMode = ClipMode.REVERSE_DIFFERENCE

            circle(width / 2.0 - 50.0, height / 2.0, 100.0)
            circle(width / 2.0 + 50.0, height / 2.0, 100.0)

            fill = ColorRGBa.BLACK
            circle(width / 2.0, height / 2.0, 100.0)
        }

        extend {
            drawer.clear(ColorRGBa.PINK)
            drawer.composition(cd)
        }
    }
}