Added FloatingSwarm.

Assets/Swarm/CrawlingSwarm.cs

@@ -132,16 +132,15 @@ void Start()
             );
 
             _drawArgsBuffer.SetData(new uint[5] {
-                _template.mesh.GetIndexCount(0),
-                (uint)InstanceCount, 0, 0, 0
+                _template.mesh.GetIndexCount(0), (uint)InstanceCount, 0, 0, 0
             });
 
             // Allocate compute buffers.
             _positionBuffer = new ComputeBuffer(HistoryLength * InstanceCount, 16);
             _tangentBuffer = new ComputeBuffer(HistoryLength * InstanceCount, 16);
             _normalBuffer = new ComputeBuffer(HistoryLength * InstanceCount, 16);
 
-            // Initialize the position buffer.
+            // Initialize the compute buffers.
             var kernel = _compute.FindKernel("CrawlingInit");
             _compute.SetInt("InstanceCount", InstanceCount);
             _compute.SetInt("HistoryLength", HistoryLength);

Assets/Swarm/Editor/FloatingSwarmEditor.cs

@@ -0,0 +1,115 @@
+// Swarm - Special renderer that draws a swarm of swirling/crawling lines.
+// https://github.com/keijiro/Swarm
+
+using UnityEngine;
+using UnityEditor;
+
+namespace Swarm
+{
+    // Custom inspector for FloatingSwarm
+    [CustomEditor(typeof(FloatingSwarm)), CanEditMultipleObjects]
+    public class FloatingSwarmEditor : Editor
+    {
+        SerializedProperty _instanceCount;
+        SerializedProperty _template;
+        SerializedProperty _radius;
+
+        SerializedProperty _attractor;
+        SerializedProperty _attractorPosition;
+        SerializedProperty _attractorSpread;
+        SerializedProperty _attractorForce;
+
+        SerializedProperty _forceRandomness;
+        SerializedProperty _drag;
+
+        SerializedProperty _headNoiseForce;
+        SerializedProperty _headNoiseFrequency;
+        SerializedProperty _trailNoiseVelocity;
+        SerializedProperty _trailNoiseFrequency;
+        SerializedProperty _noiseSpread;
+        SerializedProperty _noiseMotion;
+
+        SerializedProperty _material;
+        SerializedProperty _gradient;
+
+        SerializedProperty _randomSeed;
+
+        static class Labels
+        {
+            public static GUIContent force = new GUIContent("Force");
+            public static GUIContent frequency = new GUIContent("Frequency");
+            public static GUIContent headForce = new GUIContent("Force (head)");
+            public static GUIContent headFrequency = new GUIContent("Frequency (head)");
+            public static GUIContent motion = new GUIContent("Motion");
+            public static GUIContent position = new GUIContent("Position");
+            public static GUIContent randomness = new GUIContent("Randomness");
+            public static GUIContent spread = new GUIContent("Spread");
+            public static GUIContent trailFrequency = new GUIContent("Frequency (trail)");
+            public static GUIContent trailVelocity = new GUIContent("Velocity (trail)");
+        }
+
+        void OnEnable()
+        {
+            _instanceCount = serializedObject.FindProperty("_instanceCount");
+            _template = serializedObject.FindProperty("_template");
+            _radius = serializedObject.FindProperty("_radius");
+
+            _attractor = serializedObject.FindProperty("_attractor");
+            _attractorPosition = serializedObject.FindProperty("_attractorPosition");
+            _attractorSpread = serializedObject.FindProperty("_attractorSpread");
+            _attractorForce = serializedObject.FindProperty("_attractorForce");
+
+            _forceRandomness = serializedObject.FindProperty("_forceRandomness");
+            _drag = serializedObject.FindProperty("_drag");
+
+            _headNoiseForce = serializedObject.FindProperty("_headNoiseForce");
+            _headNoiseFrequency = serializedObject.FindProperty("_headNoiseFrequency");
+            _trailNoiseVelocity = serializedObject.FindProperty("_trailNoiseVelocity");
+            _trailNoiseFrequency = serializedObject.FindProperty("_trailNoiseFrequency");
+            _noiseSpread = serializedObject.FindProperty("_noiseSpread");
+            _noiseMotion = serializedObject.FindProperty("_noiseMotion");
+
+            _material = serializedObject.FindProperty("_material");
+            _gradient = serializedObject.FindProperty("_gradient");
+
+            _randomSeed = serializedObject.FindProperty("_randomSeed");
+        }
+
+        public override void OnInspectorGUI()
+        {
+            serializedObject.Update();
+
+            EditorGUILayout.PropertyField(_instanceCount);
+            EditorGUILayout.PropertyField(_template);
+            EditorGUI.indentLevel++;
+            EditorGUILayout.PropertyField(_radius);
+            EditorGUI.indentLevel--;
+
+            EditorGUILayout.PropertyField(_attractor);
+            EditorGUI.indentLevel++;
+            if (_attractor.objectReferenceValue == null)
+                EditorGUILayout.PropertyField(_attractorPosition, Labels.position);
+            EditorGUILayout.PropertyField(_attractorSpread, Labels.spread);
+            EditorGUILayout.PropertyField(_attractorForce, Labels.force);
+            EditorGUILayout.PropertyField(_forceRandomness, Labels.randomness);
+            EditorGUI.indentLevel--;
+            EditorGUILayout.PropertyField(_drag);
+
+            EditorGUILayout.LabelField("Noise Field");
+            EditorGUI.indentLevel++;
+            EditorGUILayout.PropertyField(_headNoiseForce, Labels.headForce);
+            EditorGUILayout.PropertyField(_headNoiseFrequency, Labels.headFrequency);
+            EditorGUILayout.PropertyField(_trailNoiseVelocity, Labels.trailVelocity);
+            EditorGUILayout.PropertyField(_trailNoiseFrequency, Labels.trailFrequency);
+            EditorGUILayout.PropertyField(_noiseSpread, Labels.spread);
+            EditorGUILayout.PropertyField(_noiseMotion, Labels.motion);
+            EditorGUI.indentLevel--;
+
+            EditorGUILayout.PropertyField(_material);
+            EditorGUILayout.PropertyField(_gradient);
+            EditorGUILayout.PropertyField(_randomSeed);
+
+            serializedObject.ApplyModifiedProperties();
+        }
+    }
+}