public void UpdatePosition(Planet planet, GameTime gameTime)
{
double factor = gameTime.ElapsedGameTime.TotalMilliseconds / 5;
var newValue = planet.X + planet.XVelocity*factor;
if (newValue > PlanetaryWidth - planet.Width || newValue < 0)
{
planet.XVelocity = -planet.XVelocity;
} else
{
planet.X = newValue;
}
newValue = planet.Y + planet.YVelocity * factor;
if (newValue > PlanetaryHeight - planet.Height || newValue < 0)
{
planet.YVelocity = -planet.YVelocity;
}
else
{
planet.Y = newValue;
}
}
/// <summary>
/// LoadContent will be called once per game and is the place to load
/// all of your content.
/// </summary>
protected override void LoadContent()
{
// Create a new SpriteBatch, which can be used to draw textures.
spriteBatch = new SpriteBatch(GraphicsDevice);
//spriteBatch.GraphicsDevice.Clear(Color.Black);
planets = new Planet[planetCount];
_planetarySystem = new PlanetarySystem(planets, _rnd, tracedSize.Width, tracedSize.Height);
for (int i = 0; i < planetCount; i++)
{
int ballWidth = _rnd.Next(GameConfig.MinWidth, GameConfig.MaxWidth);
int ballHeight = ballWidth;
planets[i] = new Planet(_rnd, GraphicsDevice, ballWidth, ballHeight);
}
_planetarySystem.Initialize();
//spriteBatch
// TODO: use this.Content to load your game content here
}
public PlanetarySystem(Planet[] planets, Random rnd, int planetaryWidth, int planetaryHeight)
{
PlanetaryWidth = planetaryWidth;
PlanetaryHeight = planetaryHeight;
_rnd = rnd;
Planets = planets;
}