重新导入obi

Assets/Obi/Scripts/Common/Backends/Burst/Solver/BoundsReductionJob.cs

@@ -0,0 +1,53 @@
+#if (OBI_BURST && OBI_MATHEMATICS && OBI_COLLECTIONS)
+using UnityEngine;
+using Unity.Jobs;
+using Unity.Collections;
+using Unity.Mathematics;
+using Unity.Burst;
+using System;
+using System.Collections;
+
+namespace Obi
+{
+    [BurstCompile]
+    struct ParticleToBoundsJob : IJobParallelFor
+    {
+        [ReadOnly] public NativeArray<int> activeParticles;
+        [ReadOnly] public NativeArray<float4> positions;
+        [ReadOnly] public NativeArray<float4> radii;
+
+        public NativeArray<BurstAabb> bounds;
+
+        public void Execute(int i)
+        {
+            int p = activeParticles[i];
+            bounds[i] = new BurstAabb(positions[p] - radii[p].x, positions[p] + radii[p].x);
+        }
+    }
+
+    [BurstCompile]
+    struct BoundsReductionJob : IJobParallelFor
+    {
+        [NativeDisableParallelForRestriction] public NativeArray<BurstAabb> bounds; // the length of bounds must be a multiple of size.
+        [ReadOnly] public int stride;
+        [ReadOnly] public int size;
+
+        public void Execute(int first)
+        {
+            int baseIndex = first * size;
+            for (int i = 1; i < size; ++i)
+            {
+                int dest = baseIndex * stride;
+                int source = (baseIndex + i) * stride;
+
+                if (source < bounds.Length)
+                {
+                    var v = bounds[dest];
+                    v.EncapsulateBounds(bounds[source]);
+                    bounds[dest] = v;
+                }
+            }
+        }
+    }
+}
+#endif