public void Update(float elapsed)
{
position += Velocity * elapsed;
foreach (Entity e in Owner.Map.Entities)
{
if (e == Owner) continue;
if (HitBox.Intersects(e.CollisionBox))
{
// We have a hit!
e.DoDamage(Damage);
Active = false;
// Create particles
Particle p = new Particle();
p.Initialize(position, Velocity * -1, Vector2.Zero, Color.Red, 1f, 0f, 0, 0.5f);
return;
}
}
// Deactivate if outside bounds
if (!Owner.Map.Bounds.Contains((int)position.X, (int)position.Y))
{
Active = false;
}
}
public virtual void InitializeParticle(Particle p)
{
//assign initial location to emitter location
Vector2 where = emitterLocation;
// first, call PickRandomDirection to figure out which way the particle
// will be moving. velocity and acceleration's values will come from this.
Vector2 direction = PickRandomDirection();
// pick some random values for our particle
float velocity =
RandomBetween(minInitialSpeed, maxInitialSpeed);
float acceleration =
RandomBetween(minAcceleration, maxAcceleration);
float lifetime =
RandomBetween(minLifetime, maxLifetime);
float scale =
RandomBetween(minScale, maxScale);
float rotationSpeed =
RandomBetween(minRotationSpeed, maxRotationSpeed);
// then initialize it with those random values. initialize will save those,
// and make sure it is marked as active.
//p.Initialize(velocity * direction, acceleration * direction, lifetime, scale, rotationSpeed);
}