private void DrawStars(Stars stars, KeyboardCustom keyboard)
{
var t = (DateTimeOffset.UtcNow - Game.FsdJumpChange).TotalSeconds;
stars.Clean();
foreach (var star in stars)
{
var r = Math.Pow((DateTimeOffset.UtcNow - star.Birth).TotalMilliseconds / star.Lifespan.TotalMilliseconds, 2);
var x = (int)Math.Round(_x0 + (star.VX * r * _xScale));
var y = (int)Math.Round(_y0 + (star.Y * _yScale));
if (x < 0 || x >= KeyboardConstants.MaxColumns)
{
continue;
}
if (y < 0 || y >= KeyboardConstants.MaxRows)
{
continue;
}
var c = keyboard[y, x].Combine(star.Color.Transform(r * 1, 1.5));
if (Game.FsdJumpType == FsdJumpType.Hyperspace && t >= 4 && t <= 5)
{
c = c.Combine(Color.White, t - 4);
}
keyboard[y, x] = c;
}
}