public void DeployAttack(SpecialAttack attack)
{
var direction = Vector2Extension.AngleToVector2(Rotation);
attack.Position = Position + direction * Size / 2;
attack.ApplyForce(direction * attack.MaxSpeed, instantaneous: true);
ApplyForce(-direction * attack.Mass, instantaneous: true);
Level.AddEntity(attack);
}
public async Task <bool> FireLaser(CancellationToken cancellation)
{
if (MainWeaponAmmo.IsEmpty)
{
return(false);
}
var direction = Vector2Extension.AngleToVector2(Rotation);
var laser = new Laser(this, Momentum, Position, direction);
laser.ApplyAcceleration(direction * laser.MaxSpeed, instantaneous: true);
ApplyForce(-direction * laser.Mass, instantaneous: true);
MainWeaponAmmo.Quantity--;
SoundManager.PlaySound("Shoot01");
Level.AddEntity(laser);
await UpdateContext.Delay(MainWeaponDelay);
return(true);
}
public void Accelerate(GameTime gameTime, float thrust)
{
#if DEBUG
if (Math.Abs(thrust) > 1)
{
throw new ArgumentOutOfRangeException("thrust", "Thrust must be between -1 and 1.");
}
#endif
_accelerating = 0;
if (Math.Abs(thrust) < 0.1f)
{
return;
}
var fuelNeeded = (int)(gameTime.ElapsedGameTime.TotalMilliseconds * Math.Abs(thrust));
if (Fuel.Quantity > fuelNeeded)
{
_accelerating = thrust;
Fuel.Quantity -= fuelNeeded;
ApplyForce(Vector2Extension.AngleToVector2(Rotation) * thrust * ThrotleForce);
}
}