private void CreateChildren()
{
double lDirection1 = Direction + 10 + 30 * mRandom.NextDouble();
double lDirection2 = Direction - 10 - 30 * mRandom.NextDouble();
List <Asteroid> lChildren = new List <Asteroid>();
AsteroidSettings aChild1Settings = mSettings.Clone();
aChild1Settings.Size = this.mSettings.Size / 2;
AsteroidSettings aChild2Settings = mSettings.Clone();
aChild2Settings.Size = this.mSettings.Size / 2;
lChildren.Add(new Asteroid((BitmapFrame)Image.Source, mExplosionFrame,
Position,
lDirection1,
1.1 * Speed,
aChild1Settings));
lChildren.Add(new Asteroid((BitmapFrame)Image.Source, mExplosionFrame,
Position,
lDirection2,
1.1 * Speed,
aChild2Settings));
foreach (Asteroid a in lChildren)
{
RaiseRoomActionEvent(ERoomAction.AddObject, a);
}
}
public Asteroid(BitmapFrame aBitmapFrame, BitmapFrame aExplosionFrame,
Point aPosition,
double aDirection, double aSpeed,
AsteroidSettings aSettings)
: base(aSettings.Size, aSettings.Size, aBitmapFrame, aPosition, aDirection, aSpeed)
{
mHealth = 1;
//Random lRandom = new Random();
mAngle = Direction;
mExplosionFrame = aExplosionFrame;
mCollisionBehavior.Add(typeof(Asteroid), CollisionWithAsteroid);
mCollisionBehavior.Add(typeof(BasicProjectile), CollisionWithProjectile);
mCollisionBehavior.Add(typeof(GuidedMissile), CollisionWithProjectile);
mCollisionBehavior.Add(typeof(Rocket), DefaultCollisionSolve);
InvincibleSteps = 20;
mSettings = aSettings;
double lRadius = mSettings.Size / 2 * 4.5 / 5;
//Circle mask
CollisionMask.Add(new Circle(lRadius, this.Position, 0, 0));
//Line mask
//CollisionMask.Add(new Ray(this.Position, -lRadius, 0, 2 * lRadius, 0));
//CollisionMask.Add(new Ray(this.Position, -lRadius, 90, 2 * lRadius, 90));
Depth = -1;
}
private Asteroid CreateAsteroid(AsteroidType aType)
{
double lAsteroidX = 0;
double lAsteroidY = 0;
double lDirection = 0;
double lAsteroidSize = aType.MinSize + mRandom.NextDouble() * (aType.MaxSize - aType.MinSize);
//left /right
if (mRandom.Next(2) == 0)
{
lAsteroidY = mRandom.Next((int)GameRoom.RoomHeight);
//left
if (mRandom.Next(2) == 0)
{
lAsteroidX = -lAsteroidSize / 2;
lDirection = -90 + mRandom.Next(181);
}
else//right
{
lAsteroidX = (int)GameRoom.RoomWidth + lAsteroidSize / 2;
lDirection = 90 + mRandom.Next(181);
}
}
else //top/bottom
{
lAsteroidX = mRandom.Next((int)GameRoom.RoomWidth);
//top
if (mRandom.Next(2) == 0)
{
lAsteroidY = -lAsteroidSize / 2;
lDirection = mRandom.Next(181);
}
else //bottom
{
lAsteroidY = (int)GameRoom.RoomHeight + lAsteroidSize / 2;
lDirection = 180 + mRandom.Next(181);
}
}
double lRotationSpeed = (mRandom.NextDouble() - .5) * 2 * aType.MaxRotationSpeed;
AsteroidSettings lSettings = new AsteroidSettings()
{
MinSizeForChildren = aType.MinSizeForChildren,
MissileDamage = aType.MissileDamage,
ProjectileDamage = aType.ProjectileDamage,
Size = lAsteroidSize,
Strength = aType.Strength,
TypeName = aType.TypeName,
PointsMultiplier = aType.PointsMultiplier,
RotationSpeed = lRotationSpeed
};
double lSpeed = aType.MinSpeed + mRandom.NextDouble() * (aType.MaxSpeed - aType.MinSpeed);
return(new Asteroid(aType.BitmapFrame, aType.ExplosionFrame,
new Point(lAsteroidX, lAsteroidY),
lDirection, lSpeed,
lSettings));
}