/// <summary>
/// Calculates the thrust and gravity forces, adding to the velocity of the ship.
/// </summary>
/// <param name="stars"></param>
/// <param name="time"></param>
public void GetPhysics(IEnumerable <Star> stars, uint time)
{
Vector2D forces = new Vector2D(accelerationVector);
accelerationVector = new Vector2D(0, 0);
foreach (Star star in stars)
{
Vector2D g = star.GetLocation() - loc;
if (World.Collides(star.GetLocation(), loc, star.GetHitBoxSize()))
{
if (Alive)
{
Die(time);
return;
}
}
g.Normalize();
g = g * star.GetMass();
forces += g;
}
velocity += forces;
loc += velocity;
}
/// <summary>
/// Updates the projectile, making sure that it moves and also checks colisions with stars.
/// </summary>
/// <param name="Stars"></param>
public void Update(IEnumerable <Star> Stars)
{
loc += dir * 15;
foreach (Star star in Stars)
{
if (World.Collides(star.GetLocation(), loc, star.GetHitBoxSize()))
{
alive = false;
}
}
}
