/// <summary>
/// Create or remove the cat
/// </summary>
protected void ToggleCat()
{
if (cat == null)
{
cat = new Cat(catTexture, GraphicsDevice.Viewport.TitleSafeArea.Width,
GraphicsDevice.Viewport.TitleSafeArea.Height);
}
else
{
cat = null;
}
}
/// <summary>
/// Update each flock member, Each bird want to fly with or flee from everything
/// it sees depending on what type it is
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
/// <param name="cat"></param>
public void Update(GameTime gameTime, Cat cat)
{
foreach (Bird thisBird in flock)
{
thisBird.ResetThink();
foreach (Bird otherBird in flock)
{
//this check is so we don't try to fly to ourself!
if (thisBird != otherBird)
{
thisBird.ReactTo(otherBird, ref flockParams);
}
}
//Look for the cat
thisBird.ReactTo(cat, ref flockParams);
thisBird.Update(gameTime, ref flockParams);
}
}
public FlockingSample()
{
graphics = new GraphicsDeviceManager(this);
Content.RootDirectory = "Content";
#if WINDOWS_PHONE || IOS
// Frame rate is 30 fps by default for Windows Phone.
TargetElapsedTime = TimeSpan.FromTicks(333333);
graphics.IsFullScreen = true;
#endif
inputState = new InputState();
flock = null;
cat = null;
flockParams = new AIParameters();
ResetAIParams();
}