Switch points generation from managed thread to unmanaged thread; Change Spline to NativeSpline; Add converter for DistributionMode and update cloner editor ui; Add MeshData type for object distribution calculation; Add ObjectDistributionSetting and ObjectDistributionCalculation(Vertex and Edge Mode);

Runtime/Cloner/Helper/ShapeHelperGetPosition.cs

@@ -0,0 +1,51 @@
+using Unity.Mathematics;
+
+namespace Misaki.ArtTool
+{
+    internal static partial class ShapeHelper
+    {
+        internal static float3 GetCubePosition(int index, int3 size)
+        {
+            float3 localPosition;
+            var yIndex = index / (size.x * size.z);
+            var remain = index % (size.x * size.z);
+            var zIndex = remain / size.x;
+            var xIndex = remain % size.x;
+
+            localPosition = new float3(xIndex, yIndex, zIndex);
+            localPosition -= (float3)(size - 1) * 0.5f;
+            return localPosition;
+        }
+
+        internal static bool GetMeshVertexPosition(int index, MeshData meshData, out float3 position)
+        {
+            if (!meshData.vertices.IsCreated || meshData.vertices.Length <= index)
+            {
+                position = float3.zero;
+                return false;
+            }
+
+            position = meshData.vertices[index];
+            return true;
+        }
+
+        internal static bool GetMeshEdgePosition(int index, MeshData meshData, out float3 position)
+        {
+            if (!meshData.edges.IsCreated || meshData.edges.Length <= index)
+            {
+                position = float3.zero;
+                return false;
+            }
+
+            var edge = meshData.edges[index];
+            if (meshData.vertices.Length <= edge.x || meshData.vertices.Length <= edge.y)
+            {
+                position = float3.zero;
+                return false;
+            }
+
+            position = (meshData.vertices[edge.x] + meshData.vertices[edge.y]) / 2.0f;
+            return true;
+        }
+    }
+}