/// <summary>
/// Sets the boids behavior to flocking (FlockWander)
/// </summary>
void BoidsFlocking()
{
var wander = new FlockWander();
flockState = wander;
wander.anchor = player.GetComponent<Starling>();
player.GetComponent<Starling>().maxSpeed = 10f;
player.transform.Find("Sphere").gameObject.SetActive(true);
player.transform.position = new Vector3(700f, 90f, 350f);
player.transform.eulerAngles = new Vector3(0f, 0f, 0f);
var starlings = GameObject.FindGameObjectsWithTag("Starling");
for (int i = 0; i < starlings.Length; ++i)
{
if( starlings[i].name == "Player" )
continue;
var starling = starlings[i].GetComponent<Starling>();
starlings[i].transform.Find("Sphere").gameObject.SetActive(false);
starling.state = wander;
wander.Add(starling);
}
wander.Init();
cameraDistanceFromFlock = 150f;
cameraAngle = 90f;
}
/// <summary>
/// Draws the options for the Separation of the flock
/// </summary>
void DrawSeparationOptions(float x, float y, FlockWander flockWander, out float width, out float height)
{
if (separationMenuShown)
{
if (GUI.Button(new Rect(x + 150f, y + 5f, 20, 20), "-"))
separationMenuShown = !separationMenuShown;
float temp;
int tempInt;
GUI.Box(new Rect(x, y, 175f, 255f), "Separation");
width = x + 175f;
height = y + 255;
// slider - flock separation weight
GUI.Label(new Rect(x + 12.5f, y + 30f, 150, 25), "Weight");
flockWander.separationWeight = GUI.HorizontalSlider(new Rect(x + 12.5f, y + 50f, 100, 30), flockWander.separationWeight, 0.0f, 2.0f);
GUI.Label(new Rect(x + 117.5f, y + 45f, 100, 25), flockWander.separationWeight.ToString("0.000"));
// slider - flock cohesion angle
GUI.Label(new Rect(x + 12.5f, y + 65f, 150, 25), "Angle");
flockWander.SeparationAngle = GUI.HorizontalSlider(new Rect(x + 12.5f, y + 85f, 100, 30), flockWander.SeparationAngle, 0.0f, 360.0f);
GUI.Label(new Rect(x + 117.5f, y + 80f, 100, 25), flockWander.SeparationAngle.ToString("0.000"));
// SEPARATION a-knn approximation value
GUI.Label(new Rect(x + 12.5f, y + 95, 150, 25), "a-knn epsilon");
if (float.TryParse(GUI.TextField(new Rect(x + 12.5f, y + 115f, 150, 25), flockWander.separationAknnVal.ToString(".000")), out temp))
flockWander.separationAknnVal = temp;
else
flockWander.separationAknnVal = 1.0f;
// SEPARATION distance
GUI.Label(new Rect(x + 12.5f, y + 145, 150, 25), "neighbors within (m)");
if(float.TryParse(GUI.TextField(new Rect(x + 12.5f, y + 165, 150, 25), flockWander.separationDistance.ToString(".000")), out temp))
flockWander.separationDistance = temp;
else
flockWander.separationDistance = 5.0f;
// SEPARATION k (number of neighbors)
GUI.Label(new Rect(x + 12.5f, y + 195, 150, 25), "# of neighbors");
if( int.TryParse(GUI.TextField(new Rect(x + 12.5f, y + 215, 150, 25), flockWander.separationK.ToString()), out tempInt) )
flockWander.separationK = tempInt;
else
flockWander.separationK = 5;
}
else
{
if (GUI.Button(new Rect(x + 150f, y + 5f, 20, 20), "+"))
separationMenuShown = !separationMenuShown;
GUI.Box(new Rect(x, y, 175f, 30f), "Separation");
width = x + 175f;
height = y + 30f;
}
}
/// <summary>
/// Draws the options for the Velocity Match of the flock
/// </summary>
void DrawVelocityMatchOptions(float x, float y, FlockWander flockWander, out float width, out float height)
{
if (velocityMatchMenuShown)
{
if (GUI.Button(new Rect(x + 150f, y + 5f, 20, 20), "-"))
velocityMatchMenuShown = !velocityMatchMenuShown;
float temp;
int tempInt;
GUI.Box(new Rect(x, y, 175f, 255f), "Velocity Match");
width = x + 175f;
height = y + 255f;
// slider - flock velocity match weight
GUI.Label(new Rect(x + 12.5f, y + 30f, 150, 25), "Weight");
flockWander.velocityMatchWeight = GUI.HorizontalSlider(new Rect(x + 12.5f, y + 50f, 100, 30), flockWander.velocityMatchWeight, 0.0f, 2.0f);
GUI.Label(new Rect(x + 117.5f, y + 45f, 100, 25), flockWander.velocityMatchWeight.ToString("0.000"));
// slider - flock angle
GUI.Label(new Rect(x + 12.5f, y + 65f, 150, 25), "Angle");
flockWander.VelocityMatchAngle = GUI.HorizontalSlider(new Rect(x + 12.5f, y + 85f, 100, 30), flockWander.VelocityMatchAngle, 0.0f, 360.0f);
GUI.Label(new Rect(x + 117.5f, y + 80f, 100, 25), flockWander.VelocityMatchAngle.ToString("0.000"));
// velocityMatch a-knn approximation value
GUI.Label(new Rect(x + 12.5f, y + 95f, 150, 25), "a-knn epsilon");
if (float.TryParse(GUI.TextField(new Rect(x + 12.5f, y + 115f, 150, 25), flockWander.velocityMatchAknnVal.ToString(".000")), out temp))
flockWander.velocityMatchAknnVal = temp;
else
flockWander.velocityMatchAknnVal = 50.0f;
// velocityMatch distance
GUI.Label(new Rect(x + 12.5f, y + 145f, 150, 25), "neighbors within (m)");
if (float.TryParse(GUI.TextField(new Rect(x + 12.5f, y + 165f, 150, 25), flockWander.velocityMatchDistance.ToString(".000")), out temp))
flockWander.velocityMatchDistance = temp;
else
flockWander.velocityMatchDistance = 100.0f;
// velocityMatch k (number of neighbors)
GUI.Label(new Rect(x + 12.5f, y + 195f, 150, 25), "# of neighbors");
if (int.TryParse(GUI.TextField(new Rect(x + 12.5f, y + 215f, 150, 25), flockWander.velocityMatchK.ToString()), out tempInt))
flockWander.velocityMatchK = tempInt;
else
flockWander.velocityMatchK = 30;
}
else
{
if (GUI.Button(new Rect(x + 150f, y + 5f, 20, 20), "+"))
velocityMatchMenuShown = !velocityMatchMenuShown;
GUI.Box(new Rect(x, y, 175f, 30f), "Velocity Match");
width = x + 175f;
height = y + 30f;
}
}
void DrawOtherOptions(float x, float y, FlockWander flockWander, out float width, out float height)
{
if (otherOptionsShown)
{
if (GUI.Button(new Rect(x + 150f, y + 5f, 20, 20), "-"))
otherOptionsShown = !otherOptionsShown;
GUI.Box(new Rect(x, y, 175f, 195f), "Other Options");
width = x + 175f;
height = y + 195f;
// bird trails
bool oldShowTrails = showTrails;
showTrails = GUI.Toggle(new Rect(x + 12.5f, y + 30f, 150f, 20f), showTrails, " Show trails");
if (oldShowTrails != showTrails)
{
var starlings = GameObject.FindGameObjectsWithTag("Starling");
foreach(var starling in starlings)
if( starling.name != "Player" ) // skip the Player
starling.GetComponent<TrailRenderer>().enabled = showTrails;
}
var cameraModes = new GUIContent[]{new GUIContent("Flock leader"), new GUIContent("Random boid")};
GUI.Label(new Rect(x + 12.5f, y + 55f, 100f, 25f), "Camera Mode");
int oldCameraModeIndex = cameraModeIndex;
cameraModeIndex = GUI.SelectionGrid(new Rect(x + 25f, y + 75f, 100f, 65f), cameraModeIndex, cameraModes, 1);
// if camera mode has changed and it was set to follow a random boid
if (oldCameraModeIndex != cameraModeIndex)
{
if (cameraModeIndex == 0)
cameraDistanceFromFlock = 135f;
else if( cameraModeIndex == 1 )
{
cameraDistanceFromFlock = 10f;
var boid = GameObject.Find("s-" + UnityEngine.Random.Range(0, int.Parse(numBirds)));
boidTranformToFollow = boid.transform;
}
}
// slider - percentage of birds to update every frame
GUI.Label(new Rect(x + 12.5f, y + 150f, 150, 25), "% boids to update");
flockWander.percentageOfBoidsToUpdate = GUI.HorizontalSlider(new Rect(x + 12.5f, y + 170f, 100, 30), flockWander.percentageOfBoidsToUpdate, 0.01f, 1.0f);
GUI.Label(new Rect(x + 117.5f, y + 165f, 100, 25), (flockWander.percentageOfBoidsToUpdate * 100f).ToString("0.0") + "%");
}
else
{
if (GUI.Button(new Rect(x + 150f, y + 5f, 20, 20), "+"))
otherOptionsShown = !otherOptionsShown;
GUI.Box(new Rect(x, y, 175f, 30f), "Other Options");
width = x + 175f;
height = y + 30f;
}
}