/// <summary>
/// Creates an animated surface that looks like static.
/// </summary>
/// <param name="width">The width of the surface.</param>
/// <param name="height">The height of the surface.</param>
/// <param name="frames">How many frames the animation should have.</param>
/// <param name="blankChance">Chance a character will be blank. Characters are between index 48-158. Chance is evaluated versus <see cref="System.Random.NextDouble"/>.</param>
/// <returns>An animation.</returns>
public static AnimatedSurface CreateStatic(int width, int height, int frames, double blankChance)
{
var animation = new AnimatedSurface("default", width, height, Global.FontDefault);
var editor = new SurfaceEditor(new BasicSurface(1, 1, Global.FontDefault));
for (int f = 0; f < frames; f++)
{
var frame = animation.CreateFrame();
editor.TextSurface = frame;
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
int character = Global.Random.Next(48, 168);
if (Global.Random.NextDouble() <= blankChance)
{
character = 32;
}
editor.SetGlyph(x, y, character);
editor.SetForeground(x, y, Color.White * (float)(Global.Random.NextDouble() * (1.0d - 0.5d) + 0.5d));
}
}
}
animation.AnimationDuration = 1;
animation.Repeat = true;
animation.Start();
return(animation);
}