private void HandleStart(GameTime gameTime)
{
if (_controls.ReadFlap())
{
_viewer.Reset(gameTime);
_bird.Reset(gameTime);
_pipeCollection.Reset();
_state = _alive;
}
}
public void AliveUpdate(GameTime gameTime)
{
if (_controls.ReadFlap())
{
_body.ChangeVelocity(gameTime, new Vector2(300.0f, -400.0f));
}
_sprite.Position = _body.Position(gameTime);
var velocity = _body.Velocity(gameTime);
_sprite.Rotation = (float)Math.Atan2(velocity.Y, velocity.X);
int frame = gameTime.TotalGameTime.Milliseconds / 250;
_sprite.ImageIndex = frame > 2 ? 1 : frame;
}