public void Update(GameTime gameTime, Vector3 playerPosition)
{
if (latched)
{
latchDuration = latchDuration.Subtract(gameTime.ElapsedGameTime);
if (latchDuration.Seconds <= 0) // releasing
{
Die();
if (victim is Player)
{
Player p = victim as Player;
p.setVelocity(p.getVelocity() / .25f);
velocity = p.Velocity;
}
else
{
Shield s = victim as Shield;
s.VelocityFactor = s.VelocityFactor * 4;
}
}
}
else //keeping homing for player
{
velocity = playerPosition - position;
velocity.Normalize();
velocity /= 2;
}
position += velocity;
sphere = new BoundingSphere(position, 2);
worldMat = Matrix.CreateScale(0.1f) * Matrix.CreateRotationY(rotation.Y) * Matrix.CreateTranslation(position);
checkBounds();
}
public override void Collision(GameEntity target)
{
if (target is Player || target is Shield)
{
if (!latched)
{
latched = true;
if (target is Player)
{
Player p = target as Player;
p.setVelocity(p.getVelocity() * .25f);
velocity = p.Velocity;
victim = p;
}
else
{
Shield s = target as Shield;
s.VelocityFactor = s.VelocityFactor / 4;
victim = s;
}
}
else
{
//position = target.Position;
velocity = target.Velocity;
}
}
else if (target is PlayerWeapon && !(target is Shield))
{
if (!latched)
{
target.Collision(this);
}
}
else if (target is Explosion)
{
target.Collision(this);
}
else //not player, shield, OR any other weapon. Handle physics.
{
}
}