More cleanup making code cleaner, made Rectangle Boundaries automatically size to camera's view, automatic random boid placement, value tweaking

Assets/Boid.cs

@@ -1,14 +1,13 @@
 using System;
 using System.Collections.Generic;
 using UnityEngine;
-using UnityEngine.Analytics;
 using Random = UnityEngine.Random;
 
 // Boids are represented by a moving, rotating triangle.
 // Boids should communicate with sibling Boids
 public class Boid : MonoBehaviour {
     [NonSerialized] public Vector2 position = Vector2.zero;
-    public Vector2 velocity;
+    [NonSerialized] public Vector2 velocity;
     [NonSerialized] public bool IsWrappingX = false;
     [NonSerialized] public bool IsWrappingY = false;
     private BoidController parent;
@@ -58,7 +57,7 @@ public class Boid : MonoBehaviour {
         Vector2 center = Vector2.zero;
         foreach (Boid boid in flock)
             center += boid.position;
-        center /= flock.Count;
+        center /= parent.boids.Count;
         return (center - this.position) / 100;
     }
 
@@ -67,7 +66,7 @@ public class Boid : MonoBehaviour {
         Vector2 c = Vector2.zero;
         foreach (Boid boid in flock) {
             Vector2 diff = boid.position - this.position;
-            if (diff.magnitude < 5)
+            if (diff.magnitude < parent.separationRange)
                 c -= diff;
         }
 

Assets/BoidController.cs

@@ -1,28 +1,30 @@
 using System;
 using System.Collections.Generic;
 using UnityEngine;
-using Debug = System.Diagnostics.Debug;
 using Random = UnityEngine.Random;
 
 public class BoidController : MonoBehaviour {
     // Controller Attributes
-    public Rect space;
+    [NonSerialized] public Rect space;
 
     // Swarm Attributes
     public int boidCount = 50;
     public float boidGroupRange = 1.0f;
     public float boidStartVelocity = 0.005f;
-    public float boidVelocityLimit = 2.0f;
+    public float boidVelocityLimit = 1.0f;
+    public float separationRange = 2.3f;
 
     // Bias changes how different rules influence individual Boids more or less
-    public float separationBias = 1.0f;
+    public float separationBias = 0.05f;
-    public float alignmentBias = 1.0f;
+    public float alignmentBias = 0.05f;
-    public float cohesionBias = 1.0f;
+    public float cohesionBias = 0.05f;
 
     // Boid Object Prefab
     public GameObject boidObject;
+
     // Boid Objects for Updates
     public List<Boid> boids = new List<Boid>();
+
     // Used for wrapping
     Camera _cam;
 
@@ -34,15 +36,16 @@ public class BoidController : MonoBehaviour {
         // Setup Camera
         _cam = Camera.main;
 
-        var size = new Vector2(142, 80);
+        // Size the Rectangle based on the Camera's Orthographic View
-        space = new Rect((Vector2) transform.position - (size / 2), size);
+        float height = 2f * _cam.orthographicSize;
-
+        float width = height * _cam.aspect;
-        // Size the Rectangle
+        space = new Rect(transform.position, new Vector2(width, height));
-        _cam.rect = space;
 
         // Add in Boid Objects / Spawn Boid Prefabs
         for (int i = 0; i < boidCount; i++) {
-            var position = new Vector2(Random.Range(-15, 15), Random.Range(-15, 15));
+            var position = new Vector2(
+                Random.Range(-space.size.x, space.size.x) / 2 * 0.95f,
+                Random.Range(-space.size.y, space.size.y) / 2 * 0.95f);
             GameObject boid = Instantiate(boidObject, position, Quaternion.identity);
 
             boid.transform.parent = transform;
@@ -54,8 +57,6 @@ public class BoidController : MonoBehaviour {
     private void Update() {
         // Wrapping Functionality
         foreach (Boid boid in boids) {
-            print($"{boid.IsWrappingX} {boid.IsWrappingY}");
-            
             if (!space.Contains(boid.position)) {
                 // Activate Wrap, Move
                 Vector2 newPosition = boid.transform.position;

Assets/Resources/BoidMaterial.mat

@@ -7,7 +7,7 @@ Material:
   m_CorrespondingSourceObject: {fileID: 0}
   m_PrefabInstance: {fileID: 0}
   m_PrefabAsset: {fileID: 0}
-  m_Name: New Material
+  m_Name: BoidMaterial
   m_Shader: {fileID: 46, guid: 0000000000000000f000000000000000, type: 0}
   m_ShaderKeywords: 
   m_LightmapFlags: 4
@@ -61,7 +61,7 @@ Material:
     - _DetailNormalMapScale: 1
     - _DstBlend: 0
     - _GlossMapScale: 1
-    - _Glossiness: 0.5
+    - _Glossiness: 0
     - _GlossyReflections: 1
     - _Metallic: 0
     - _Mode: 0
@@ -73,5 +73,5 @@ Material:
     - _UVSec: 0
     - _ZWrite: 1
     m_Colors:
-    - _Color: {r: 1, g: 1, b: 1, a: 1}
+    - _Color: {r: 0.16135636, g: 0.2708125, b: 0.6981132, a: 1}
     - _EmissionColor: {r: 0, g: 0, b: 0, a: 1}

Assets/Scenes/SampleScene.unity

@@ -50,12 +50,11 @@ LightmapSettings:
     m_BounceScale: 1
     m_IndirectOutputScale: 1
     m_AlbedoBoost: 1
-    m_TemporalCoherenceThreshold: 1
     m_EnvironmentLightingMode: 0
     m_EnableBakedLightmaps: 0
     m_EnableRealtimeLightmaps: 0
   m_LightmapEditorSettings:
-    serializedVersion: 10
+    serializedVersion: 12
     m_Resolution: 2
     m_BakeResolution: 40
     m_AtlasSize: 1024
@@ -63,6 +62,7 @@ LightmapSettings:
     m_AOMaxDistance: 1
     m_CompAOExponent: 1
     m_CompAOExponentDirect: 0
+    m_ExtractAmbientOcclusion: 0
     m_Padding: 2
     m_LightmapParameters: {fileID: 0}
     m_LightmapsBakeMode: 1
@@ -77,10 +77,16 @@ LightmapSettings:
     m_PVRDirectSampleCount: 32
     m_PVRSampleCount: 500
     m_PVRBounces: 2
+    m_PVREnvironmentSampleCount: 500
+    m_PVREnvironmentReferencePointCount: 2048
+    m_PVRFilteringMode: 2
+    m_PVRDenoiserTypeDirect: 0
+    m_PVRDenoiserTypeIndirect: 0
+    m_PVRDenoiserTypeAO: 0
     m_PVRFilterTypeDirect: 0
     m_PVRFilterTypeIndirect: 0
     m_PVRFilterTypeAO: 0
-    m_PVRFilteringMode: 1
+    m_PVREnvironmentMIS: 0
     m_PVRCulling: 1
     m_PVRFilteringGaussRadiusDirect: 1
     m_PVRFilteringGaussRadiusIndirect: 5
@@ -89,6 +95,7 @@ LightmapSettings:
     m_PVRFilteringAtrousPositionSigmaIndirect: 2
     m_PVRFilteringAtrousPositionSigmaAO: 1
     m_ShowResolutionOverlay: 1
+    m_ExportTrainingData: 0
   m_LightingDataAsset: {fileID: 0}
   m_UseShadowmask: 1
 --- !u!196 &4
@@ -116,9 +123,10 @@ NavMeshSettings:
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 GameObject:
   m_ObjectHideFlags: 0
-  m_PrefabParentObject: {fileID: 0}
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-  serializedVersion: 5
+  m_PrefabAsset: {fileID: 0}
+  serializedVersion: 6
   m_Component:
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   - component: {fileID: 519420031}
@@ -133,20 +141,28 @@ GameObject:
 --- !u!81 &519420029
 AudioListener:
   m_ObjectHideFlags: 0
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+  m_CorrespondingSourceObject: {fileID: 0}
-  m_PrefabInternal: {fileID: 0}
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   m_GameObject: {fileID: 519420028}
   m_Enabled: 1
 --- !u!20 &519420031
 Camera:
   m_ObjectHideFlags: 0
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+  m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 519420028}
   m_Enabled: 1
   serializedVersion: 2
   m_ClearFlags: 2
-  m_BackGroundColor: {r: 0.19215687, g: 0.3019608, b: 0.4745098, a: 0}
+  m_BackGroundColor: {r: 0.13207549, g: 0.13207549, b: 0.13207549, a: 1}
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+  m_GateFitMode: 2
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+  m_SensorSize: {x: 36, y: 24}
+  m_LensShift: {x: 0, y: 0}
+  m_FocalLength: 50
   m_NormalizedViewPortRect:
     serializedVersion: 2
     x: 0
@@ -157,7 +173,7 @@ Camera:
   far clip plane: 1000
   field of view: 60
   orthographic: 1
-  orthographic size: 5
+  orthographic size: 40
   m_Depth: -1
   m_CullingMask:
     serializedVersion: 2
@@ -176,13 +192,165 @@ Camera:
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 Transform:
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   m_GameObject: {fileID: 519420028}
   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
-  m_LocalPosition: {x: 0, y: 0, z: -10}
+  m_LocalPosition: {x: 0, y: 0, z: -15}
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+  - component: {fileID: 1321165553}
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+  m_Name: BoidController
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+--- !u!114 &1321165553
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+    height: 20
+  boidCount: 150
+  boidGroupRange: 5
+  boidStartVelocity: 0.05
+  boidVelocityLimit: 0.8
+  separationRange: 2.3
+  separationBias: 0.01
+  alignmentBias: 0.04
+  cohesionBias: 0.009
+  boidObject: {fileID: 1737515784064720040, guid: 23e1eaaf69d4ef342ac3ef9590f6c642,
+    type: 3}
+  boids: []
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Assets/Util.cs

@@ -0,0 +1,11 @@
+using UnityEngine;
+
+public class Util {
+    public static Vector2 RotateBy(Vector2 v, float a) {
+        var ca = Mathf.Cos(a);
+        var sa = Mathf.Sin(a);
+        var rx = v.x * ca - v.y * sa;
+
+        return new Vector2((float) rx, (float) (v.x * sa + v.y * ca));
+    }
+}

Assets/Util.cs.meta

@@ -0,0 +1,11 @@
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ProjectSettings/EditorSettings.asset

@@ -8,14 +8,18 @@ EditorSettings:
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