Code Sketch

cleari

def petal = Picture.fromVertexShape { s =>
    s.beginShape()

    for {

        angle <- rangeTo(0.0, 360.0, 0.001).map(_.toDouble)

        x = 200 * Math.cos(angle.toRadians)
        y = 200 * Math.cos(angle.toRadians) * Math.sin(angle.toRadians)    

        _ = s.vertex(x, y)       
        
    } yield{}


    s.endShape()
}

picStack(
    petal.thatsFilledWith(randomColor),
    petal.thatsRotated(90).thatsFilledWith(randomColor),
    picStack(
        petal.thatsFilledWith(randomColor),
        petal.thatsFilledWith(randomColor).thatsRotated(90)    
    ).thatsRotated(45).withOpacity(0.5)
).draw