private void AddBall(float x, float y)
{
var rnd = new Random();
var circle = new OvalShape();
circle.Resize(BallSize * density, BallSize * density);
var drawable = new ShapeDrawable(circle);
var shapeHolder = new ShapeHolder(drawable);
shapeHolder.X = x;
shapeHolder.Y = y - (BallSize / 2f);
var red = 100 + rnd.Next(155);
var green = 100 + rnd.Next(155);
var blue = 100 + rnd.Next(155);
var color = new Color(red, green, blue);
var darkColor = new Color(red / 4, green / 4, blue);
var paint = drawable.Paint;
var gradient = new RadialGradient(37.5f, 12.5f, 50f, color, darkColor, Shader.TileMode.Clamp);
paint.SetShader(gradient);
shapeHolder.Paint = paint;
balls.Add(shapeHolder);
}
