void Start()
{
_rigidbody = GetComponent <Rigidbody> ();
birdControl = GetComponent <BirdControl>();
Reset();
}
private void Awake()
{
Instance = this;
birdRigidbody2D = GetComponent <Rigidbody2D>();
birdRigidbody2D.bodyType = RigidbodyType2D.Static;
state = State.WaitingToStart;
}
public BirdBody(Transform temp, ControllerInput input, BirdControl birdControl)
{
this.input = input;
this.birdControl = birdControl;
body = BirdBone.CreateBirdBone(temp);
}
private void setupDistCache()
{
for (int i = 0; i < birdControls.Length; i++)
{
for (int j = i + 1; j < birdControls.Length; j++)
{
BirdControl b1 = birdControls [i];
BirdControl b2 = birdControls [j];
ColliderDistance2D cd = b1.GetComponent <Collider2D>().Distance(b2.GetComponent <Collider2D>());
Vector2 delta = (cd.pointB - cd.pointA);
b1.SetDistance(b2, delta);
b2.SetDistance(b1, -1 * delta);
}
}
for (int i = 0; i < birdControls.Length; i++)
{
for (int j = 0; j < walls.Length; j++)
{
BirdControl b1 = birdControls [i];
GameObject wall = walls [j];
ColliderDistance2D cd = b1.GetComponent <Collider2D>().Distance(wall.GetComponent <Collider2D>());
Vector2 delta = (cd.pointB - cd.pointA);
b1.SetWallDist(j, delta);
}
}
}
public BirdBody(Transform temp, ControllerInput input, BirdControl birdControl)
{
this.input = input;
this.birdControl = birdControl;
body = BirdBone.CreateBirdBone(temp);
}
public void OnTriggerEnter2D(Collider2D collider)
{
if (!countCollision)
{
return;
}
if (collider.gameObject.tag == "Bird")
{
BirdControl other = collider.GetComponent <BirdControl>();
if (other.number < number || number == -1)
{
return;
}
handleBirdCollision(other);
}
if (collider.gameObject.tag == "Goal")
{
moving = false;
gameObject.GetComponent <Collider2D>().enabled = false;
transform.position = new Vector3(collider.transform.position.x, collider.transform.position.y, 10);
statsControl.Complete(number);
flockControl.IncrementGoal();
}
if (collider.gameObject.tag == "Wall")
{
handleWallCollision(collider);
}
}
private float calcScore(FlockControl.UnityState us, BirdControl me)
{
float score = 0;
float gd = (us.goal.transform.position - transform.position).magnitude;
score += GOAL_CONST * Mathf.Min(ASYMPTOTE, 1 / Mathf.Sqrt(gd));
if (!me.Moving)
{
return(score);
}
foreach (BirdControl b in us.birds)
{
if (b.Equals(me) || !b.Moving)
{
continue;
}
float d = me.GetDistance(b).dist;
score += BIRD_CONST * Mathf.Min(ASYMPTOTE, 1 / Mathf.Sqrt(d));
}
for (int i = 0; i < us.walls.Length; i++)
{
float d = me.WallDistance(i).dist;
score += WALL_CONST * Mathf.Min(ASYMPTOTE, 1 / Mathf.Sqrt(d));
}
return(score);
}
private bool inView(BirdControl other, BirdControl me)
{
float dir = Mathf.Rad2Deg * Mathf.Atan2(me.Velocity.y, me.Velocity.x);
Vector3 delta = other.transform.position - me.transform.position;
float angleTo = Mathf.Rad2Deg * Mathf.Atan2(delta.y, delta.x);
return(withinAngle(dir, angleTo, genome.Pathfind.View));
}
private void Start()
{
ScoreText = transform.Find("ScoreText").GetComponent <Text>();
HighscoreText = transform.Find("HighscoreText").GetComponent <Text>();
Hide();
BirdControl.GetInstance().OnDied += Bird_OnDied;
transform.GetComponent <RectTransform>().anchoredPosition = Vector2.zero;
}
private int giveToken(FlockControl.UnityState us, int bird, int tokens, bool[] nextGotToken)
{
nextGotToken [bird] = true;
BirdControl me = us.birds [bird];
Vector2[] path = pf.CalculatePath(me);
rewardForces [bird] = rewardPathfind(path, me);
return(tokens - 1);
}
public BirdTail(Transform firstTail, ControllerInput input, BirdControl birdControl)
{
this.input = input;
this.birdControl = birdControl;
tail_1 = BirdBone.CreateBirdBone(firstTail);
tail_2 = BirdBone.CreateBirdBone(firstTail.FindInChildren("Tail_2"));
tail_3 = BirdBone.CreateBirdBone(firstTail.FindInChildren("Tail_3"));
}
public BirdTail(Transform firstTail, ControllerInput input, BirdControl birdControl)
{
this.input = input;
this.birdControl = birdControl;
tail_1 = BirdBone.CreateBirdBone(firstTail);
tail_2 = BirdBone.CreateBirdBone(firstTail.FindInChildren("Tail_2"));
tail_3 = BirdBone.CreateBirdBone(firstTail.FindInChildren("Tail_3"));
}
private void handleBirdCollision(BirdControl other)
{
velocity = getResultantVelocity(transform.position, other.transform.position, mass, other.mass, velocity, other.velocity);
updateRotation();
other.velocity = getResultantVelocity(other.transform.position, transform.position, other.mass, mass, other.velocity, velocity);
other.updateRotation();
statsControl.AddBirdCollision(number);
statsControl.AddBirdCollision(other.number);
}
private Vector2 rewardSimple(Vector2 goalPos, BirdControl me)
{
Vector2 delta = goalPos - (Vector2)me.transform.position;
if (delta.magnitude > genome.Reward.Distance)
{
return(Vector2.zero);
}
return(calcForce(delta, genome.Reward));
}
public BirdHead(Transform neckTransfrom, ControllerInput input, BirdControl birdControl)
{
this.input = input;
this.birdControl = birdControl;
neck = BirdBone.CreateBirdBone(neckTransfrom);
head = BirdBone.CreateBirdBone(neckTransfrom.FindInChildren("Head"));
beack = BirdBone.CreateBirdBone(neckTransfrom.FindInChildren("Head_Beak_Lower"));
//headFeather = BirdBone.CreateBirdBone(neckTransfrom.FindInChildren("Head_Feather"));
}
private void StartGame()
{
BirdControl control = bird.GetComponent <BirdControl>();
control.inGame = true;
control.JumpUp();
readyPic.GetComponent <SpriteRenderer>().material.DOFade(0f, 0.2f);
tipPic.GetComponent <SpriteRenderer>().material.DOFade(0f, 0.2f);
scoreMgr.GetComponent <ScoreMgr>().SetScore(0);
pipeSpawner.GetComponent <PipeSpawner>().StartSpawning();
}
private Vector2 getStaticForces(FlockControl.UnityState us, int birdNumber)
{
BirdControl me = us.birds [birdNumber];
Vector2 cohes = cohesion(us.birds, me);
Vector2 obstcl = obstacle(us.walls, me);
Vector2 goal = rewardForces [me.Number];
Vector2 bndry = boundary(us, me);
return(cohes + obstcl + goal + bndry);
}
private void randomizePositions(int m)
{
if (maps.ContainsKey(m))
{
loadFromMapState(maps[m]);
return;
}
MapState ms = new MapState();
ms.walls = new WallState[NUM_RANDOM_WALLS];
for (int i = 0; i < NUM_RANDOM_WALLS; i++)
{
WallState ws = new WallState();
float width = Random.Range(WALL_MIN_WIDTH, WALL_MAX_WIDTH);
float area = Random.Range(WALL_MIN_AREA, WALL_MAX_AREA);
walls [i].transform.localScale = new Vector3(width, area / width, 1f);
findPlacement(walls [i]);
ws.postion = walls [i].transform.position;
ws.scale = walls [i].transform.localScale;
ws.rotation = walls [i].transform.rotation;
ms.walls [i] = ws;
}
findPlacement(goal);
ms.goal = goal.transform.position;
ms.birds = new BirdState[NUM_BIRDS];
for (int i = 0; i < NUM_BIRDS; i++)
{
BirdControl bird = birdControls [i];
findPlacement(bird.gameObject);
BirdState bs = new BirdState();
bs.size = Random.Range(MIN_SIZE, MAX_SIZE);
bs.speed = Random.Range(MIN_SPEED, MAX_SPEED);
bs.color = new Color(Random.Range(.5f, 1f), Random.Range(.5f, 1f), Random.Range(.5f, 1f));
bs.startPos = bird.transform.position;
bs.velocity = new Vector2(Random.value - .5f, Random.value - .5f).normalized *bird.Speed;
ms.birds [i] = bs;
bird.Setup(bs, i, NUM_BIRDS, walls.Length);
startPositions [i] = bird.transform.position;
}
maps[m] = ms;
}
public BirdHead(Transform neckTransfrom, ControllerInput input, BirdControl birdControl)
{
this.input = input;
this.birdControl = birdControl;
neck = BirdBone.CreateBirdBone(neckTransfrom);
head = BirdBone.CreateBirdBone(neckTransfrom.FindInChildren("Head"));
beack = BirdBone.CreateBirdBone(neckTransfrom.FindInChildren("Head_Beak_Lower"));
//headFeather = BirdBone.CreateBirdBone(neckTransfrom.FindInChildren("Head_Feather"));
}
private Vector2 obstacle(GameObject[] walls, BirdControl me)
{
Vector2 force = Vector2.zero;
for (int i = 0; i < walls.Length; i++)
{
BirdControl.CachedDelta cd = me.WallDistance(i);
if (cd.dist > genome.Obstacle.Distance)
{
continue;
}
force += calcForce(-1 * cd.norm, cd.dist, genome.Cohesion);
}
return(force);
}
private Vector2 rewardPathfind(Vector2[] path, BirdControl me)
{
if (path.Length == 0)
{
return(Vector2.zero);
}
Vector2 force = Vector2.zero;
for (int i = 0; i < genome.Pathfind.Steps && i < path.Length; i++)
{
Vector2 delta = (path [i] - (Vector2)me.transform.position);
force += calcForce(delta.normalized, i + 1, genome.Pathfind.Chrom);
}
return(force);
}
// Update is called once per frame
void Update()
{
if (!gameStarted && Input.GetButtonDown("Fire1"))
{
gameStarted = true;
StartGame();
}
BirdControl control = bird.GetComponent <BirdControl>();
if (control.dead == true)
{
gameoverPic.SetActive(true);
if (Input.GetButtonDown("Fire1"))
{
Application.LoadLevel(0);
}
}
}
private Vector2 cohesion(BirdControl[] birds, BirdControl me)
{
Vector2 force = Vector2.zero;
foreach (BirdControl b in birds)
{
if (b.Equals(me) || !b.Moving)
{
continue;
}
BirdControl.CachedDelta cd = me.GetDistance(b);
if (cd.dist > genome.Cohesion.Distance)
{
continue;
}
force += calcForce(cd.norm, cd.dist, genome.Cohesion);
}
return(force);
}
private Vector2 boundary(FlockControl.UnityState us, BirdControl me)
{
float xForce = 0;
float yForce = 0;
// Also, in this case, we are limiting the individual forces in the x and y dimensions to the force and distance of the genomes boundary
// Whereas in other forces we limit the vector(x,y) to the corresponding parameters
if (me.transform.position.x < us.roomWidth / 2)
{
float xDist = me.transform.position.x;
if (xDist <= genome.Boundary.Distance)
{
xForce = genome.Boundary.Constant / Mathf.Pow(xDist, genome.Boundary.Exponent);
}
}
else
{
float xDist = us.roomWidth - me.transform.position.x;
if (xDist <= genome.Boundary.Distance)
{
xForce = -1 * genome.Boundary.Constant / Mathf.Pow(xDist, genome.Boundary.Exponent);
}
}
if (me.transform.position.y < us.roomHeight / 2)
{
float yDist = me.transform.position.y;
if (yDist <= genome.Boundary.Distance)
{
yForce = genome.Boundary.Constant / Mathf.Pow(yDist, genome.Boundary.Exponent);
}
}
else
{
float yDist = us.roomHeight - me.transform.position.y;
if (yDist <= genome.Boundary.Distance)
{
yForce = -1 * genome.Boundary.Constant / Mathf.Pow(yDist, genome.Boundary.Exponent);
}
}
return(new Vector2(xForce, yForce));
}
private Vector2 repulsion(BirdControl[] birds, float[] forces, BirdControl me)
{
Vector2 force = Vector2.zero;
foreach (BirdControl b in birds)
{
if (b.Equals(me) || !b.Moving)
{
continue;
}
BirdControl.CachedDelta cd = me.GetDistance(b);
if (cd.dist > genome.Repulse.Distance)
{
continue;
}
force += calcForce(-1 * cd.norm, cd.dist, genome.Repulse); // * forces[b.Number];
}
return(force);
}
public BirdWing(Transform shoulderTransform, string suffix, ControllerInput input, BirdControl birdControl)
{
this.input = input;
this.birdControl = birdControl;
if (suffix == "_L")
sign = -1f;
shoulder = BirdBone.CreateBirdBone(shoulderTransform);
wing_1 = BirdBone.CreateBirdBone(shoulderTransform.FindInChildren("Wing_1" + suffix));
//wing_1_f = BirdBone.CreateBirdBone(shoulderTransform.FindInChildren("Wing_F_1" + suffix));
wing_2 = BirdBone.CreateBirdBone(shoulderTransform.FindInChildren("Wing_2" + suffix));
wing_2_f = BirdBone.CreateBirdBone(shoulderTransform.FindInChildren("Wing_F_2" + suffix));
wing_3 = BirdBone.CreateBirdBone(shoulderTransform.FindInChildren("Wing_3" + suffix));
//wing_3_f = BirdBone.CreateBirdBone(shoulderTransform.FindInChildren("Wing_F_3" + suffix));
}
private Vector2 aligment(BirdControl[] birds, float[] forces, BirdControl me)
{
Vector2 force = Vector2.zero;
foreach (BirdControl b in birds)
{
if (b.Equals(me) || !b.Moving)
{
continue;
}
BirdControl.CachedDelta cd = me.GetDistance(b);
if (cd.dist > genome.Align.Distance)
{
continue;
}
float mag = calcForce(cd.norm, cd.dist, genome.Align).magnitude; // * forces[b.Number];
force += b.Velocity.normalized * mag;
}
return(force);
}
// Resets the walls, goal and all birds.
private void resetSimulation()
{
reachedGoal = 0;
for (int i = 0; i < NUM_BIRDS; i++)
{
BirdControl bird = birdControls [i];
bird.transform.position = startPositions [i];
bird.Reset();
}
scoreControl.Setup(NUM_BIRDS);
statsControl.Setup(NUM_BIRDS, MAX_TIME);
uiControl.AwaitingText();
decisionControl.StartGeneration(buildUnityState());
startTime = Time.time;
hasReceivedStart = false;
generation++;
}
public BirdWing(Transform shoulderTransform, string suffix, ControllerInput input, BirdControl birdControl)
{
this.input = input;
this.birdControl = birdControl;
if (suffix == "_L")
{
sign = -1f;
}
shoulder = BirdBone.CreateBirdBone(shoulderTransform);
wing_1 = BirdBone.CreateBirdBone(shoulderTransform.FindInChildren("Wing_1" + suffix));
//wing_1_f = BirdBone.CreateBirdBone(shoulderTransform.FindInChildren("Wing_F_1" + suffix));
wing_2 = BirdBone.CreateBirdBone(shoulderTransform.FindInChildren("Wing_2" + suffix));
wing_2_f = BirdBone.CreateBirdBone(shoulderTransform.FindInChildren("Wing_F_2" + suffix));
wing_3 = BirdBone.CreateBirdBone(shoulderTransform.FindInChildren("Wing_3" + suffix));
//wing_3_f = BirdBone.CreateBirdBone(shoulderTransform.FindInChildren("Wing_F_3" + suffix));
}
private Vector2 steer(BirdControl me, Vector2 force)
{
/* We want to steer our current velocity towards our aim velocity (the force on our bird), so take the average of the two
* and reflect it over the goal/ That way we aim in a way that slows us down only in the desired dimension, and speeds
* us up in the correct dimension.
*/
Vector2 vel = me.Velocity.normalized;
Vector2 aim = force.normalized;
Vector2 ave = ((vel + aim) / 2).normalized;
Vector2 adjustment = Vector2.zero;
// If our aim velocity is close to orthogonal to our genome velocity, just steer using our genome velocity
if (Vector2.Dot(vel, aim) > -.5f && vel != Vector2.zero)
{
adjustment = Vector2.Reflect(-1 * ave, -1 * aim).normalized;
}
else
{
adjustment = aim;
}
return(adjustment.normalized * me.Speed);
}
public void Start()
{
Application.targetFrameRate = (int)(FRAMES_PER_SECOND * SIMULATION_SPEED);
Time.timeScale = SIMULATION_SPEED;
Application.runInBackground = true;
decisionControl.InitializeModel(NUM_BIRDS, randomizePositions);
// Set the background based on room settings
background.transform.position = new Vector3(ROOM_WIDTH / 2, ROOM_HEIGHT / 2, 5);
Camera.main.transform.position = new Vector3(ROOM_WIDTH / 2, ROOM_HEIGHT / 2, -10);
background.transform.localScale = new Vector3(ROOM_WIDTH + 5, ROOM_HEIGHT + 5, 1);
background.GetComponent <Renderer>().material.color = Color.black;
goal = Instantiate <GameObject>(goalPrefab);
statsControl = FindObjectOfType <StatsControl>();
uiControl = FindObjectOfType <UIControl>();
// Generate birds
birdControls = new BirdControl[NUM_BIRDS];
for (int i = 0; i < NUM_BIRDS; i++)
{
BirdControl bird = Instantiate <GameObject>(birdPrefab).GetComponent <BirdControl>();
birdControls [i] = bird;
}
walls = new GameObject[NUM_RANDOM_WALLS];
for (int i = 0; i < walls.Length; i++)
{
walls [i] = Instantiate <GameObject>(wallPrefab);
}
startPositions = new Vector2[NUM_BIRDS];
randomizePositions(0);
resetSimulation();
}
void Start ()
{
lastPose = new PoseData[birds.Length];
mistress = GameObject.Find("BalconyBird").GetComponent<BirdControl>();
mistress._initializeController();
}
private void generateRewards(FlockControl.UnityState us)
{
int pathfindTokens = PATHFIND_TOKENS;
rewardForces = new Vector2[us.birds.Length];
bool[] nextGotToken = new bool[us.birds.Length];
/* In this function, we give away a number of tokens equal to PATHFIND_TOKENS to birds so that they use the more computational expensive pathfinding.
* We prioritize the birds that previously received tokens, then birds with no leaders, but we want to make sure that as the number of active birds falls,
* we still give away all of our tokens to birds that are active. If we have more tokens than active birds, every bird should use pathfinding.
*/
// First we give priority to birds that are already holding tokens
for (int bird = 0; bird < us.birds.Length; bird++)
{
BirdControl me = us.birds [bird];
if (!gotRewardToken [bird] || !me.Moving)
{
continue;
}
if (Random.value > genome.Pathfind.Carryover)
{
continue;
}
// This bird had a token and carries it over in this frame
pathfindTokens = giveToken(us, bird, pathfindTokens, nextGotToken);
}
// Then we prioritize birds with no leaders
int[] birdIndex = range(us.birds.Length);
shuffle(birdIndex);
for (int i = 0; i < birdIndex.Length && pathfindTokens > 0; i++)
{
int bird = birdIndex [i];
BirdControl me = us.birds [bird];
if (!me.Moving || nextGotToken [bird])
{
continue;
}
bool hasLeader = false;
foreach (BirdControl b in us.birds)
{
if (b.Equals(me) || !b.Moving)
{
continue;
}
float dist = me.GetDistance(b).dist;
// Distance here is used a bit differently than in other cases, but it is trained just the same and does not result in any issues.
if (dist > genome.Pathfind.Distance)
{
continue;
}
hasLeader = hasLeader || inView(b, me);
}
if (hasLeader)
{
continue;
}
// This bird has no leader so use a token
pathfindTokens = giveToken(us, bird, pathfindTokens, nextGotToken);
}
// Now we give out the rest of the tokens randomly
birdIndex = range(us.birds.Length);
shuffle(birdIndex);
for (int i = 0; i < birdIndex.Length && pathfindTokens > 0; i++)
{
int bird = birdIndex [i];
BirdControl me = us.birds [bird];
if (!me.Moving || nextGotToken [bird])
{
continue;
}
// This bird has received a token through random chance
pathfindTokens = giveToken(us, bird, pathfindTokens, nextGotToken);
}
// The remainder of the birds do not receive tokens and so just do simple pathfinding towards the goal
for (int bird = 0; bird < us.birds.Length; bird++)
{
BirdControl me = us.birds [bird];
if (!me.Moving)
{
continue;
}
if (nextGotToken [bird])
{
// This bird already received a token
continue;
}
rewardForces [bird] = rewardSimple(us.goal.transform.position, me);
}
gotRewardToken = nextGotToken;
}
public void SetDistance(BirdControl other, Vector2 delta)
{
birdDeltas[other.number] = new CachedDelta(delta);
}
public CachedDelta GetDistance(BirdControl other)
{
return(birdDeltas[other.number]);
}