public override IEnumerable <Object3D> Update(DefaultEnvironment Environment, TimeSpan ElapsedTime)
{
UpdateCanon(ElapsedTime);
if (ReadyToShoot && Shooting)
{
var dst = (Position - Environment.ActiveCamera.Position).Length();
Environment.Sounds[Data.LaserSound].Play(1 / (1 + dst / 5000), 0, 0);
var bulletDirection = Vector3.Normalize(Vector3.Transform(Vector3.Forward, Orientation));
var bullet = new Bullet(Position, bulletDirection, Speed * 50 + 1000);
bullet.Position += (bullet.Boundary.Radius + Boundary.Radius) * 75 * bulletDirection;
yield return(bullet);
ReadyToShoot = false;
}
Shooting = false;
foreach (var thrustParticle in GenerateThrust(Environment, ElapsedTime))
{
yield return(thrustParticle);
}
Speed += forwardAcceleration * (float)ElapsedTime.TotalSeconds;
if (targetRotation > rotation)
{
rotation += rotationSpeed * (float)ElapsedTime.TotalSeconds;
if (rotation >= targetRotation)
{
rotation = targetRotation;
}
}
else if (targetRotation < rotation)
{
rotation -= rotationSpeed * (float)ElapsedTime.TotalSeconds;
if (rotation <= targetRotation)
{
rotation = targetRotation;
}
}
if (rotation > maxRotation)
{
rotation = maxRotation;
}
if (rotation < -maxRotation)
{
rotation = -maxRotation;
}
Orientation *= Rotation;
var Direction = Vector3.Transform(Vector3.Forward * Speed, Orientation);
var Up = Vector3.Transform(Vector3.Up, Orientation);
Position += Direction * (ElapsedTime == TimeSpan.Zero ? 0 : 1);
if (Speed > 0)
{
ThrustFlame.UpdateThrust(Position, Direction, Up, ElapsedTime, Environment);
}
else
{
if (ThrustFlame != null)
{
ThrustFlame.DontThrust();
}
}
yield break;
}
public Spaceship()
{
ThrustFlame = new ThrustFlame();
Id = Data.Spaceship;
lastShot = -shotTrigger;
}