/// <summary>
/// Allows the game component to perform any initialization it needs to before starting
/// to run. This is where it can query for any required services and load content.
/// </summary>
public override void Initialize()
{
// TODO: Add your initialization code here
m_emitters = new SwampLib.Pool <ParticleEmitter>(1000);
m_textures = new Dictionary <string, Texture2D>();
base.Initialize();
}
/// <summary>
/// AddParticles's job is to add an effect somewhere on the screen. If there
/// aren't enough particles in the freeParticles queue, it will use as many as
/// it can. This means that if there not enough particles available, calling
/// AddParticles will have no effect.
/// </summary>
/// <param name="where">where the particle effect should be created</param>
public void AddParticles(Vector2 where, int numParticles)
{
// Create the desired number of particles, up to the number of available
// particles in the pool.
numParticles = Math.Min(numParticles, particles.AvailableCount);
while (numParticles-- > 0)
{
SwampLib.Pool <Particle> .Node p = particles.Get();
InitializeParticle(p.Item, where);
}
}
/// <summary>
/// override the base class's Initialize to do some additional work; we want to
/// call InitializeConstants to let subclasses set the constants that we'll use.
///
/// also, the particle array and freeParticles queue are set up here.
/// </summary>
public void Initialize(string texture, int howManyEffects)
{
Texture2D tex = StarTrooperGame.ParticleManager.LoadTexture(texture);
m_texture = texture;
m_howManyEffects = howManyEffects;
// Calculate the center. this'll be used in the draw call, we
// always want to rotate and scale around this point.
m_origin.X = tex.Width / 2;
m_origin.Y = tex.Height / 2;
InitializeConstants();
// Create a pool contiaining the maximum number of particles we will ever need for this effect.
particles = new SwampLib.Pool <Particle>(m_howManyEffects * maxNumParticles);
m_active = true;
}
