public Asteroid(Asteroid copy) : base(copy)
{
}
public static void CreateDebris(GameResult gameResult, IControlable wrecked)
{
PhysicsState state;
int length = wrecked.CollidableParts.Length;
float totalArea = 0;
float[] areas = new float[length];
for (int pos = 0; pos < length; ++pos)
{
totalArea += (areas[pos] = wrecked.CollidableParts[pos].BaseGeometry.Area);
}
float totalAreaInv = 1 / totalArea;
if (wrecked is IShip)
{
float smallest = float.MaxValue;
ControlableWave wave;
for (int pos = 0; pos < length; ++pos)
{
state = new PhysicsState(wrecked.Current);
state.Position.Linear = wrecked.CollidableParts[pos].Position.Linear + new Vector2D((float)((rand.NextDouble() - .5f) * 2) * wrecked.CollidableParts[pos].BaseGeometry.InnerRadius, (float)((rand.NextDouble() - .5f) * 2) * wrecked.CollidableParts[pos].BaseGeometry.InnerRadius);
smallest = MathHelper.Min(smallest, wrecked.CollidableParts[pos].BaseGeometry.InnerRadius);
wave = new ControlableWave(
new LifeSpan(TimeForSecondaryExplosions),
wrecked.MassInfo.Mass * totalAreaInv * areas[pos] * .5f,
state,
wrecked.CollidableParts[pos].BaseGeometry.InnerRadius,
(wrecked.BoundingRadius - wrecked.CollidableParts[pos].BaseGeometry.InnerRadius) / TimeForSecondaryExplosions,
TimeWarp.DefaultExposionColors,
TimeWarp.DefaultExplosionPrimaryColor,
new ShipMovementInfo(DefaultShipMovementInfo),
new ShipState(DefaultShipState),
AsteroidFaction,
new ControlableSounds());
wave.OnCreation(gameResult, new FactionInfo(AsteroidFaction));
}
state = new PhysicsState(wrecked.Current);
wave = new ControlableWave(new LifeSpan(TimeForPrimaryExplosion),
wrecked.MassInfo.Mass * .5f,
state,
smallest,
(wrecked.BoundingRadius - smallest) / TimeForPrimaryExplosion,
TimeWarp.DefaultExposionColors,
TimeWarp.DefaultExplosionPrimaryColor,
new ShipMovementInfo(DefaultShipMovementInfo),
new ShipState(DefaultShipState),
AsteroidFaction,
new ControlableSounds());
wave.OnCreation(gameResult, new FactionInfo(AsteroidFaction));
}
for (int pos = 0; pos < length; ++pos)
{
state = new PhysicsState(wrecked.Current);
state.Position = wrecked.CollidableParts[pos].Position;
MassInertia massInfo;
float mass = wrecked.MassInfo.Mass * totalAreaInv * areas[pos];
if (wrecked.CollidableParts[pos].UseCircleCollision)
{
massInfo = MassInertia.FromSolidCylinder(mass, wrecked.CollidableParts[pos].BaseGeometry.BoundingRadius);
}
else
{
wrecked.CollidableParts[pos].SetPosition(ALVector2D.Zero);
wrecked.CollidableParts[pos].CalcBoundingBox2D();
BoundingBox2D box = wrecked.CollidableParts[pos].BoundingBox2D;
massInfo = MassInertia.FromRectangle(mass, box.Upper.X - box.Lower.X, box.Upper.Y - box.Lower.Y);
}
//ColoredRigidBodyPart part = new ColoredRigidBodyPart(ALVector2D.Zero, state.Position, wrecked.CollidableParts[pos].BaseGeometry, DefaultCoefficients, DefaultColors, DefaultPrimaryColor);
RigidBodyPart part = new RigidBodyPart(ALVector2D.Zero, state.Position, wrecked.CollidableParts[pos].BaseGeometry, DefaultCoefficients);
Asteroid roid = new Asteroid(part, massInfo, state);
roid.OnCreation(gameResult, new FactionInfo(AsteroidFaction));
}
}