/// <summary>
// Creates a new firework of this type. The optional parent firework is used to base
/// and velocity on.
/// </summary>
internal Firework Create(Firework parent)
{
var firework = new Firework
{
Type = Type,
Age = random.NextFloat(MinAge, MaxAge),
Mass = 1,
Damping = Damping,
Acceleration = new Vector3(0, -9.81f, 0),
Velocity = random.RandomVector3(MinVelocity, MaxVelocity)
};
if (parent != null)
{
// The position and velocity are based on the parent.
firework.Position = parent.Position;
firework.Velocity += parent.Velocity;
}
else
{
int x = random.Next(3) - 1;
firework.Position = new Vector3(5.0f * x, 0, 0);
}
firework.ClearAccumulator();
return(firework);
}
void Create(int type, int count, Firework parent)
{
FireworkRule rule = rules[type - 1];
for (int i = 0; i < count; i++)
{
fireworks.Add(rule.Create(parent));
}
}