public override void Draw(GameTime gameTime, Point mousePos)
{
base.Draw(gameTime, mousePos);
if (!showingPulse)
{
i++;
if (i <= PulseDelay)
{
return;
}
showingPulse = true;
i = 0;
pulseX = -halfPulseWidth;
return;
}
var start = (int)(bounds.X + pulseX);
var bound = new Rectangle(bounds.X + 1, bounds.Y + 1, Filled, bounds.Height - 2);
//var halfPulseWidth = (int) (Filled * PulseWidthProportion / 2);
for (var x = 0; x < halfPulseWidth; x++)
{
var whiten = 0.7f * (1 - (float)Math.Pow((double)x / halfPulseWidth, 1.25));
var color = FillColor.Interpolate(PulseColor, whiten);
Drawing.DrawVerticalLine(start + x, color, bound);
Drawing.DrawVerticalLine(start - x, color, bound);
}
//pulse speeds up as it progresses
if (!Pause)
{
pulseX += PulseSpeed * (0.7f + 1f * (pulseX + halfPulseWidth) / (Filled + halfPulseWidth * 2));
}
if (pulseX < Filled + halfPulseWidth)
{
return;
}
showingPulse = false;
}