/************************************************************************/
/* XNA Methods */
/************************************************************************/
public void update(GameTime gameTime)
{
TimeBetweenUpdates += gameTime.ElapsedGameTime.Milliseconds;
float randomNumberX;
float randomNumberY;
// Adds the correct amount of particles to the list
if (currentNumberOfParticles < NumberOfParticles)
{
if (TimeBetweenUpdates > TimeBetweenParticles)
{
Vector2 prevVelocity = Velocity;
if (RandomDirection)
{
randomNumberX = NextFloat(random);
randomNumberY = NextFloat(random);
velocity.X = randomNumberX;
velocity.Y = randomNumberY;
}
else
{
if (Velocity.X != 0)
{
randomNumberX = (float)random.NextDouble();
if (randomNumberX < 0.5f)
velocity.X += (float)random.NextDouble();
else if (randomNumberX >= 0.5f)
velocity.X -= (float)random.NextDouble();
}
if (Velocity.Y != 0)
{
randomNumberY = (float)random.NextDouble();
if (randomNumberY < 0.5f)
velocity.Y += (float)random.NextDouble();
else if (randomNumberY >= 0.5f)
velocity.Y -= (float)random.NextDouble();
}
}
Particle tempParticle = new Particle(Texture, Position, Velocity, Life, 1.0f, true);
particles.Add(tempParticle);
CurrentNumberOfParticles++;
TimeBetweenUpdates++;
Velocity = prevVelocity;
}
}
for (int i = 0; i < particles.Count(); i++)
{
particles[i].update(gameTime);
if (particles[i].TotalLife > particles[i].Life)
particles.RemoveAt(i);
}
if (particles == null)
IsActive = false;
}
/************************************************************************/
/* XNA Methods */
/************************************************************************/
public void update(GameTime gameTime, Vector2 position, Vector2 velocity)
{
LifeTimer += gameTime.ElapsedGameTime.Milliseconds;
TimeBetweenUpdates += gameTime.ElapsedGameTime.Milliseconds;
// Only uses the velocity passed in from the call if the lifespan is 0, eg if the emitter is attached to an object.
// This is not final behavior, but it works for now
if (lifespan == 0)
Velocity = velocity;
Position = position;
float randomNumberX;
float randomNumberY;
if (lifespan > LifeTimer || lifespan == 0)
{
if (TimeBetweenUpdates > TimeBetweenParticles)
{
Vector2 prevVelocity = Velocity;
if (RandomDirections)
{
randomNumberX = NextFloat(random);
randomNumberY = NextFloat(random);
velocity.X = randomNumberX;
velocity.Y = randomNumberY;
}
else
{
if (Velocity.X != 0)
{
randomNumberX = random.Next(1, 3);
if (randomNumberX == 1)
velocity.X += 0.2f;
else if (randomNumberX == 2)
velocity.X -= 0.2f;
}
if (Velocity.Y != 0)
{
randomNumberY = random.Next(1, 3);
if (randomNumberY == 1)
velocity.Y += 0.2f;
else if (randomNumberY == 2)
velocity.Y -= 0.2f;
}
}
Particle tempParticle = new Particle(Texture, Position, Velocity, Life, 1.0f, true);
particles.Add(tempParticle);
TimeBetweenUpdates = 0;
Velocity = prevVelocity;
}
}
for (int i = 0; i < particles.Count(); i++)
{
particles[i].update(gameTime);
if (particles[i].TotalLife > particles[i].Life)
particles.RemoveAt(i);
}
if (particles == null)
{
IsActive = false;
}
}