public void Update(GameTime gameTime)
{
var asteroids = _components.GetAllOfType <Asteroid>();
foreach (var asteroid in asteroids)
{
if (asteroid.Destroyed)
{
if (asteroid.Size == 5)
{
_components.Add(new Asteroid(asteroid.Texture, Asteroid.AsteroidSize.Medium, asteroid.Position));
_components.Add(new Asteroid(asteroid.Texture, Asteroid.AsteroidSize.Medium, asteroid.Position));
_components.Add(new Asteroid(asteroid.Texture, Asteroid.AsteroidSize.Medium, asteroid.Position));
}
else if (asteroid.Size == 3)
{
_components.Add(new Asteroid(asteroid.Texture, Asteroid.AsteroidSize.Small, asteroid.Position));
_components.Add(new Asteroid(asteroid.Texture, Asteroid.AsteroidSize.Small, asteroid.Position));
_components.Add(new Asteroid(asteroid.Texture, Asteroid.AsteroidSize.Small, asteroid.Position));
}
_components.Remove <Asteroid>(asteroid);
}
}
}
public void Update(GameTime gameTime)
{
var movableComponents = _components.GetAllOfType <IMovableComponent>();
foreach (var component in movableComponents)
{
component.Move(gameTime);
}
}
public void Update(GameTime gameTime)
{
List <ICollidableComponent> collidableComponents = _components.GetAllOfType <ICollidableComponent>();
for (int i = 0; i < collidableComponents.Count; i++)
{
for (int j = i + 1; j < collidableComponents.Count; j++)
{
if (collidableComponents[i] != null && collidableComponents[j] != null && collidableComponents[i].CollisionBoundaries.Intersects(collidableComponents[j].CollisionBoundaries))
{
collidableComponents[i].CollidedWith(collidableComponents[j]);
collidableComponents[j].CollidedWith(collidableComponents[i]);
if (collidableComponents[i] is Asteroid && collidableComponents[j] is Asteroid)
{
var a1 = collidableComponents[i] as Asteroid;
var a2 = collidableComponents[j] as Asteroid;
if (a1.Bounced || a2.Bounced)
{
continue;
}
var normala1 = a1.Position - a2.Position;
var normala2 = a2.Position - a1.Position;
normala1.Normalize();
normala2.Normalize();
Vector2 CMVelocity = Vector2.Divide(Vector2.Multiply(a1.Velocity, (float)a1.Mass) + Vector2.Multiply(a2.Velocity, (float)a2.Mass), (float)(a1.Mass + a2.Mass));
a1.Direction -= CMVelocity;
a1.Direction = Vector2.Reflect(a1.Direction, normala1);
a1.Direction += CMVelocity;
a2.Direction -= CMVelocity;
a2.Direction = Vector2.Reflect(a2.Direction, normala2);
a2.Direction += CMVelocity;
a1.Bounced = true;
a2.Bounced = true;
}
}
}
}
}
