/// <summary>
/// Draw the falling snow.
/// </summary>
/// <param name="spriteBatch">SpriteBatch that has been initialized and began.</param>
public void Draw(SpriteBatch spriteBatch)
{
// If it's not supposed to be snowing, then exit.
if (!isSnowing)
return;
// This will be used as the index within our snow array.
int i;
// NOTE: The following conditional is not exactly the best "initializer."
// If snow has not been initialized.
if (this.snow[0] == new Point(0, 0))
{
// Make the random a new random
this.random = new JoshoRandom();
// For every snow particle within our snow array,
for (i = 0; i < this.snow.Length; i++)
{
// Give it a new, random x and y. This will give the illusion that it was already snowing and won't cluster the particles
this.snow[i] = new Point((random.NextInt(0, (this.Width - this.snowTexture.Width))), (random.NextInt(0, (this.Height))));
}
}
// Reinitialize the random number generator.
this.random = new JoshoRandom();
// Go back to the start.
i = 0;
// Begin displaying the snow
foreach (Point snowPnt in this.snow)
{
// Get the exact rectangle for the snow particle
Rectangle snowParticle = new Rectangle(
snowPnt.X, snowPnt.Y, this.snowTexture.Width, this.snowTexture.Height);
// Draw the snow particle (change white if you want any kind of tinting)
spriteBatch.Draw(this.snowTexture, snowParticle, Color.White * random.NextInt(128, 255));
//Make the current particle go down, but randomize it for a staggering snow
this.snow[i].Y += random.NextInt(0, 5);
// Make sure the point's location is not below quit point's.
if (this.snow [i].Y >= this.quitPoint.Y)
{
// If it is, give it a random X value, and the starting point variable's Y value.
this.snow [i] = new Point ((random.NextInt(0, (this.Width - this.snowTexture.Width))), this.startPoint.Y);
}
// Go to the next snowflake (or snow particle).
i++;
}
}