// update the projectile
public override void update(GameTime gameTime)
{
// translate the projectile's position
m_position.X += (float)(m_velocity.X * (gameTime.ElapsedGameTime.TotalSeconds / (1.0 / 60.0)));
m_position.Y += (float)(m_velocity.Y * (gameTime.ElapsedGameTime.TotalSeconds / (1.0 / 60.0)));
// update the projectile animation
if (m_projectile != null)
{
m_projectile.update(gameTime);
}
}
// update the explosion
public override void update(GameTime gameTime)
{
// decay the speed of the explosion
m_velocity *= 0.97f;
// move the explosion in the same direction as its source
m_position.X += (float)(m_velocity.X * (gameTime.ElapsedGameTime.TotalSeconds / (1.0 / 60.0)));
m_position.Y += (float)(m_velocity.Y * (gameTime.ElapsedGameTime.TotalSeconds / (1.0 / 60.0)));
// update the explosion animation
m_explosion.update(gameTime);
}