/// <summary>
/// Update our beam's opacity - first fades in and then out.
/// Continue to play the firing sfx until we are done.
/// </summary>
/// <param name="elapsedGameTime"></param>
public override void Update(float elapsedGameTime)
{
base.Update(elapsedGameTime);
if (!fadeOut)
{
// Keep increasing opacity
CurrentOpacityLerp += 2 * elapsedGameTime;
if (CurrentOpacityLerp >= 1)
{
// If we have reached full opacity we fade out
fadeOut = true;
// Trigger the event when at full opacity
ExplosionSFX.Play();
Target.OnCollisionWith(this);
}
}
else
{
// Lerp out
CurrentOpacityLerp -= 2 * elapsedGameTime;
if (CurrentOpacityLerp <= 0)
{
// Die when we reach 0 opacity again
Die();
}
}
Opacity = MathHelper.Lerp(0, 1, CurrentOpacityLerp);
}
/// <summary>
/// Updates our bullet's position and kill's it if it has collided with our target
/// </summary>
/// <param name="elapsedGameTime"></param>
public override void Update(float elapsedGameTime)
{
base.Update(elapsedGameTime);
// The missile may have been killed by a lifetime module already so we should not progress any further with it's updating
if (!IsAlive)
{
return;
}
if (!finishedJutting)
{
LocalPosition = Vector2.Lerp(LocalPosition, jutFinishPosition, 5 * elapsedGameTime);
if ((LocalPosition - jutFinishPosition).LengthSquared() < 10)
{
finishedJutting = true;
Engine.Show(); // Have to call show because by default our Engine is hidden (since it is a CardObject)
FiringSFX.Play();
}
}
else
{
Vector2 diff = Target.WorldPosition - WorldPosition;
diff.Normalize();
float angle = MathUtils.AngleBetweenPoints(WorldPosition, Target.WorldPosition);
LocalRotation = angle;
LocalPosition += diff * 700 * elapsedGameTime;
DebugUtils.AssertNotNull(Collider);
DebugUtils.AssertNotNull(Target.Collider);
if (Collider.CheckCollisionWith(Target.Collider))
{
// Kills the projectile if it has collided with the target
Die();
ExplosionSFX.Play();
Target.OnCollisionWith(this);
}
}
}
/// <summary>
/// Updates our bullet's position and kill's it if it has collided with our target
/// </summary>
/// <param name="elapsedGameTime"></param>
public override void Update(float elapsedGameTime)
{
base.Update(elapsedGameTime);
// This bullet may have been killed by a lifetime module or something, so do not register the collision if this is the case - the bullet has died!
if (!IsAlive)
{
return;
}
DebugUtils.AssertNotNull(Collider);
DebugUtils.AssertNotNull(Target.Collider);
if (Collider.CheckCollisionWith(Target.Collider))
{
// Kills the projectile if it has collided with the target
Die();
ExplosionSFX.Play();
Target.OnCollisionWith(this);
}
}
