/// <summary>
///
/// </summary>
/// <param name="args"></param>
public override void Update(TickEventArgs args)
{
if (args == null)
{
throw new ArgumentNullException("args");
}
this.X += (int)(args.SecondsElapsed * 10 * dx);
this.Y += (int)(args.SecondsElapsed * 10 * dy);
// Adjust our entropy
dx += SpriteRandomizer.Next(-5, 6);
dy += SpriteRandomizer.Next(-5, 6);
// Call the base which also normalizes the bounds
base.Update(args);
// Normalize the directions
if (this.X == SpriteBounds.Left)
{
dx = SpriteRandomizer.Next(1, 11);
}
if (this.X == SpriteBounds.Right)
{
dx = ((-1) * SpriteRandomizer.Next(1, 11));
}
if (this.Y == SpriteBounds.Top)
{
dy = SpriteRandomizer.Next(1, 11);
}
if (this.Y == SpriteBounds.Bottom)
{
dy = ((-1) * SpriteRandomizer.Next(1, 11));
}
}
/// <summary>
///
/// </summary>
/// <param name="surfaces"></param>
/// <param name="rect"></param>
/// <param name="coordinates"></param>
public BounceSprite(SurfaceCollection surfaces, Rectangle rect, Vector coordinates)
: base(surfaces, rect, coordinates)
{
this.dx = SpriteRandomizer.Next(-10, 11);
this.dy = SpriteRandomizer.Next(-10, 11);
}