/// <summary>
/// LoadContent will be called once per game and is the place to load
/// all of your content.
/// </summary>
protected override void LoadContent()
{
// Create a new SpriteBatch, which can be used to draw textures.
spriteBatch = new SpriteBatch(GraphicsDevice);
lineBatch = new LineBatch(GraphicsDevice);
smallFont = Content.Load<SpriteFont>("Fonts/small");
largeFont = Content.Load<SpriteFont>("Fonts/large");
lineBatch.SetProjection(Matrix.CreateOrthographicOffCenter(0.0f,
GraphicsDevice.Viewport.Width,
GraphicsDevice.Viewport.Height, 0.0f, 0.0f, 1.0f));
}
/// <summary>
/// Draw the particle system
/// </summary>
/// <param name="lineBatch">The line batch that will draw the particles</param>
public virtual void Draw(LineBatch lineBatch)
{
if (lifeRemaining > 0f)
{
if (lineBatch == null)
{
throw new ArgumentNullException("lineBatch");
}
for (int i = 0; i < particles.Length; i++)
{
lineBatch.DrawLine(particles[i].Position,
particles[i].Position - particles[i].Velocity * tailLength,
particles[i].Color);
}
}
}
/// <summary>
/// Render the object
/// </summary>
/// <param name="elapsedTime">Amount of elapsed time in seconds</param>
/// <param name="lineBatch">LineBatch to render to</param>
public virtual void Draw(float elapsedTime, LineBatch lineBatch)
{
if (IsAlive)
{
if (polygon != null)
{
if (lineBatch == null)
{
throw new ArgumentNullException("lineBatch");
}
lineBatch.DrawPolygon(polygon, color);
}
}
}