public class SymetricSprite
{
    private Vector2 centre;
    private int divisions;
    private OsbSprite[] sprites;
    public SymetricSprite(StoryboardObjectGenerator generator, string spritePath, Vector2 centre, int divisions)
    {
        this.centre = centre;
        this.divisions = divisions;
        this.sprites = new OsbSprite[divisions*2];

        for(int i = 0; i < sprites.Length; i++)
            sprites[i] = generator.GetLayer("SHAPES").CreateSprite(spritePath);
    }
    public void Move(OsbEasing easing, double startTime, double endTime, Vector2 startPosition, Vector2 endPosition)
    {
        Vector2[] symetricStartPosition = CalculateSymetry(startPosition);
        Vector2[] symetricEndPosition = CalculateSymetry(endPosition);

        for(int i = 0; i < sprites.Length; i++)
            sprites[i].Move(easing, startTime, endTime, symetricStartPosition[i], symetricEndPosition[i]);
    }
    public void Fade(OsbEasing easing, double startTime, double endTime, double startValue, double endValue)
    {
        foreach(var sprite in sprites)
            sprite.Fade(easing, startTime, endTime, startValue, endValue);
    }
    public void Scale(OsbEasing easing, double startTime, double endTime, double startValue, double endValue)
    {
        foreach(var sprite in sprites)
            sprite.Scale(easing, startTime, endTime, startValue, endValue);
    }
    public void ScaleVec(OsbEasing easing, double startTime, double endTime, double startX, double startY, double endX, double endY)
    {
        foreach(var sprite in sprites)
            sprite.ScaleVec(easing, startTime, endTime, startX, startY, endX, endY);
    }
    private Vector2 CalculateAngle(double angle, double radius)
    {
        return new Vector2(
            (float)(centre.X + Math.Cos(angle) * radius),
            (float)(centre.Y + Math.Sin(angle) * radius)
        );
    }
    private Vector2[] CalculateSymetry(Vector2 position)
    {
        Vector2[] outputPositions = new Vector2[(divisions*2)];
        double angle = Math.Atan2(position.Y - centre.Y, position.X - centre.X);
        double distance = Math.Sqrt(Math.Pow(position.X - centre.X, 2) + Math.Pow(position.Y - centre.Y, 2));
        for(int i = 0; i < outputPositions.Length; i++)
        {
            outputPositions[i] = CalculateAngle(angle, distance);
            angle += (Math.PI*2)/sprites.Length;
        }
        return outputPositions;
    }
}