public override void Update(Actor actor)
{
GamePadState padState = GamePad.GetState(PlayerIndex.One);
if (padState.ThumbSticks.Left.Length() > 0)
actor.Direction += padState.ThumbSticks.Left * new Vector2(1, -1) * this.Weight; // Y needs to be inverted so character moves upwards
}
public override void Update(Actor actor)
{
actor.Direction += this.direction * this.Weight;
}
public virtual void Update(Actor actor)
{
}
public override void Update(Actor actor)
{
Vector2 targetDirection = target.Position - actor.Position;
targetDirection.Normalize(); // unit vector - http://www.fundza.com/vectors/normalize/
actor.Direction += targetDirection * this.Weight;
}
public BehavoirSeek(float weight, Actor target)
: base(weight)
{
this.target = target;
}
public override void Update(Actor actor)
{
if (tick == 0) // when time is up, find new direction
this.direction = Actor.GetRandomDirection();
tick++;
tick %= this.changeInterval; // tick goes from 0 to changeInterval
actor.Direction += this.direction * this.Weight;
}
/// <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);
font = Content.Load<Microsoft.Xna.Framework.Graphics.SpriteFont>("Tahoma");
fpsCounter = new FPSCounter(this, spriteBatch, font);
// dummy blocks
Texture2D block1 = Content.Load<Texture2D>("1_block");
Actor blok1 = new Actor(Color.White, block1, false);
blok1.Speed = 5f;
blok1.Position = Actor.GetRandomPosition(ScreenWidth, ScreenHeight);
blok1.BehaviorList.Add(new BehaviorConstant(0.1f, new Vector2(1f, 0)));
//blok1.BehaviorList.Add(new BehaviorGamePad(1));
//blok1.BehaviorList.Add(new BehaviorWander(0.05f, 60));
Texture2D arrowTexture = Content.Load<Texture2D>("arrow");
// set up leader actor
Actor leader = new Actor(new Color(64, 255, 64), arrowTexture);
leader.Speed = 4;
leader.DrawDepth = 0f;
leader.IsPlayer = true;
leader.Direction = Actor.GetRandomDirection();
leader.Position = Actor.GetRandomPosition(ScreenWidth, ScreenHeight);
//leader.BehaviorList.Add(new BehaviorConstant(0.1f, new Vector2(1f, 0)));
leader.BehaviorList.Add(new BehaviorGamePad(0.5f));
leader.BehaviorList.Add(new BehaviorWander(0.05f, 60)); // if framerate is 60 FPS, then change direction once every second
// set up a 10 drone actors
BehavoirSeek seek = new BehavoirSeek(0.05f, leader);
for (int i = 0; i < 10000; i++)
{
Actor drone = new Actor(Color.White, arrowTexture);
drone.Color = Actor.GetRandomColor();
drone.Speed = Actor.GetRandomSpeed(0.7d, 3.5d);
drone.Direction = Actor.GetRandomDirection();
drone.Position = Actor.GetRandomPosition(ScreenWidth, ScreenHeight);
drone.BehaviorList.Add(seek);
drone.BehaviorList.Add(new BehaviorWander(0.03f, 15));
}
}