public virtual void Update(GameTime gameTime)
{
// Decrease the cool down time because when coolDownTimeTicks == 0,
// the gun is allowed to fire
// ----------------------------------------------------------------
if (coolDownTimeTicks > 0)
{
coolDownTimeTicks -= (float)gameTime.ElapsedGameTime.TotalMilliseconds;
}
// If the shoot key is pressed or the Xbox trigger is pulled
// ---------------------------------------------------------
if (InputHandler.KeyDown(shootKey) || InputHandler.ButtonDown(Buttons.RightTrigger, owner.PlayerIndex) ||
owner.GetType() == typeof(ComputerPlayer))
{
// Only shoot if the gun is cooled down
if (coolDownTimeTicks < 0)
{
OnTrigger(owner, null);
coolDownTimeTicks = coolDownTime;
fired = true;
}
}
else
{
fired = false;
}
// Here's the bullets's foreach method with a lambda!
// ---------------------------------------------------
// Update each of the guns bullets and if the bullet's
// destroyMe variable returns true, delete the bullet.
// ---------------------------------------------------
bullets.ForEach((b) =>
{
b.Update(gameTime);
if (b.DestroyMe)
{
// If the gun is a missile launcher, make an explosion on impact
if (this.GetType() == typeof(MissileLauncher))
{
SoundManager.Boom.Play();
EffectManager.AddExplosion(b.Position, Vector2.Zero, 15, 20, 4, 6, 40f, 50, new Color(1.0f, 0.3f, 0f, 0.5f), Color.Black * 0f);
}
// Otherwise, make sparks
else
{
SoundManager.Hit.Play();
EffectManager.AddSparksEffect(b.Position, new Vector2(400));
}
}
if (b.DestroyMe || b.RemoveMe)
{
bullets.Remove(b);
}
});
}
public static void Update(GameTime gameTime)
{
switch (weather)
{
// If it's storming, there will be wind and lightning
// --------------------------------------------------
case Weather.STORM:
{
// Add seconds to the lightning timer
elapsedLightningTime += (float)gameTime.ElapsedGameTime.TotalMilliseconds;
// Add 5 rain drops per update
// ---------------------------
for (int i = 0; i < 5; i++)
{
rain.Add(new RainDrop(new Vector2(rand.Next(Game1.GAME_WIDTH) * 1.2f, -4), 0, rainTex));
}
// Update each rain drop and destroy it if need be
// -----------------------------------------------
for (int i = rain.Count - 1; i >= 0; i--)
{
rain[i].Update(gameTime);
if (rain[i].DestroyMe)
{
rain.RemoveAt(i);
}
ApplyWind(rain[i]);
}
// If the lightning should strike, then strike dammit
// --------------------------------------------------
if (elapsedLightningTime >= secondsToStrike)
{
// The start location of the lightning bolt
var start = new Vector2(rand.Next(Game1.GAME_WIDTH), 0);
// A strike will occur again in 2 - 20 seconds
secondsToStrike = rand.Next(2000, 20000);
// There's a 40 percent chance that the nearest
// player will get struck by the lightning bolt
// --------------------------------------------
if (rand.NextDouble() < .4)
{
// Find which player is closest to the lightning bolt.
// It is electricity after all.
Player p = GetNearestPlayer(start);
// The end position of the lightning bolt should be on the player
var end = p.Position;
// Add a new lightning bolt there
bolts.Add(new LightningBolt(start, end));
// Damage the player 250 points
p.Damage(250);
// Add a white and blue explosion
EffectManager.AddExplosion(end, Vector2.Zero, 15, 20, 3, 5, 30f, 60, Color.White, Color.LightBlue * 0f);
}
// If the lightning bolt is not destined to strike the player
// ----------------------------------------------------------
else
{
// The lightning bolt's end point will be a random point that won't hurt anyone
var end = new Vector2(rand.Next(Game1.GAME_WIDTH), rand.Next(Game1.GAME_HEIGHT) / 2);
// Add the new lightning bolt
bolts.Add(new LightningBolt(start, end));
}
// Reset the time since strike to be 0
// -----------------------------------
elapsedLightningTime = 0;
}
// Update each lightning bolt... Feat. Lambda Expressionz
// ------------------------------------------------------
bolts.ForEach(b => b.Update());
break;
}
// If it's rainy, there is only rain, nothing else
// -----------------------------------------------
case Weather.RAIN:
{
// Add 5 rain drops per update
// ---------------------------
for (int i = 0; i < 5; i++)
{
rain.Add(new RainDrop(new Vector2(rand.Next(Game1.GAME_WIDTH) * 1.2f, -4), 0, rainTex));
}
// Update each rain drop
// ---------------------
for (int i = rain.Count - 1; i >= 0; i--)
{
rain[i].Update(gameTime);
if (rain[i].DestroyMe)
{
rain.RemoveAt(i);
}
}
break;
}
case Weather.SUNNY:
{
break;
}
case Weather.NORMAL:
{
break;
}
}
}
