public override void accept(Visitor v, CollisionPair pair)
{
v.visitLeftWall(this, pair);
}
public override void accept(Visitor v, CollisionPair pair)
{
v.visitPlayerNode(this, pair);
}
public override void accept(Visitor v, CollisionPair pair)
{
v.visitMissile(this, pair);
}
public abstract void accept(Visitor v, CollisionPair pair);
public override void accept(Visitor v, CollisionPair pair)
{
v.visitAlien(this, pair);
}
public override void accept(Visitor v, CollisionPair pair)
{
}
// Collision detection
public override void Accept(Visitor other)
{
other.Visit(this);
}