public void Render(Canvas2D canvas, RenderTarget target)
{
Vector offset = Vector.Zero;
if (ShakeLength > 0)
{
offset.X = (float)(m_random.NextDouble() - 0.5) * ShakeLength;
offset.Y = (float)(m_random.NextDouble() - 0.5) * ShakeLength;
}
float progress = 1;
canvas.DrawSprite(canvas.Region + offset, target.ToSprite(),
ColorU.White.SemiTransparent(progress));
}