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Assets/Obi/Scripts/Common/DataStructures/SimplexCounts.cs

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+using UnityEngine;
+using System.Collections;
+
+
+namespace Obi
+{
+    public struct SimplexCounts
+    {
+        public int pointCount;
+        public int edgeCount;
+        public int triangleCount;
+
+        public int simplexCount
+        {
+            get { return pointCount + edgeCount + triangleCount; }
+        }
+
+        public SimplexCounts(int pointCount, int edgeCount, int triangleCount)
+        {
+            this.pointCount = pointCount;
+            this.edgeCount = edgeCount;
+            this.triangleCount = triangleCount;
+        }
+
+        public int GetSimplexStartAndSize(int index, out int size)
+        {
+            if (index < triangleCount)
+            {
+                size = 3;
+                return index * 3;
+            }
+            else if (index < triangleCount + edgeCount)
+            {
+                size = 2;
+                return triangleCount * 3 + (index - triangleCount) * 2;
+            }
+            else if (index < simplexCount)
+            {
+                size = 1;
+                return triangleCount * 3 + edgeCount * 2 + (index - triangleCount - edgeCount);
+            }
+            size = 0;
+            return 0;
+        }
+    }
+}