public void AddExplosion(Vector2 position)
{
ExplosionParticleSystem explosion = new ExplosionParticleSystem(Game, 1);
explosion.AddParticles(position);
explosions.Add(explosion);
}
// this function is called when we want to demo the explosion effect. it
// updates the timeTillExplosion timer, and starts another explosion effect
// when the timer reaches zero.
private void UpdateExplosions(float dt)
{
if (!startExplosionEffect)
{
return;
}
timeTillExplosion -= dt;
if (timeTillExplosion < 0)
{
Vector2 where = Vector2.Zero;
// the overall explosion effect is actually comprised of two particle
// systems: the fiery bit, and the smoke behind it. add particles to
// both of those systems.
explosion.AddParticles(where);
smoke.AddParticles(where);
// reset the timer.
timeTillExplosion = TimeBetweenExplosions;
}
// Update duration
timeExplosionEffect += dt;
if (timeExplosionEffect > MAX_EXPLOSION_EFFECT_TIME)
{
startExplosionEffect = false;
timeExplosionEffect = 0.0f;
}
}
