public unsafe void BuildTreeTasks([Values(2, 10, 33, 100, 1000)] int elementCount)
{
const int threadCount = 8;
int numNodes = elementCount + Constants.MaxNumTreeBranches;
var points = new NativeArray <PointAndIndex>(elementCount, Allocator.TempJob, NativeArrayOptions.UninitializedMemory);
var aabbs = new NativeArray <Aabb>(elementCount, Allocator.TempJob, NativeArrayOptions.UninitializedMemory);
var filters = new NativeArray <CollisionFilter>(elementCount, Allocator.TempJob, NativeArrayOptions.UninitializedMemory);
InitInputArrays(points, aabbs, filters);
var nodes = new NativeArray <Node>(numNodes, Allocator.TempJob, NativeArrayOptions.UninitializedMemory);
var ranges = new NativeArray <Range>(Constants.MaxNumTreeBranches, Allocator.TempJob, NativeArrayOptions.UninitializedMemory);
var branchNodeOffset = new NativeArray <int>(Constants.MaxNumTreeBranches, Allocator.TempJob, NativeArrayOptions.UninitializedMemory);
var branchCount = new NativeArray <int>(1, Allocator.TempJob, NativeArrayOptions.UninitializedMemory);
var handle = new BuildFirstNLevelsJob
{
Points = points,
Nodes = (Node *)nodes.GetUnsafePtr(),
Ranges = ranges,
BranchNodeOffsets = branchNodeOffset,
BranchCount = branchCount,
ThreadCount = threadCount
}.Schedule();
var task2 = new BuildBranchesJob
{
Points = points,
Aabbs = aabbs,
BodyFilters = filters,
Nodes = (Node *)nodes.GetUnsafePtr(),
NodeFilters = null,
Ranges = ranges,
BranchNodeOffsets = branchNodeOffset,
BranchCount = branchCount
};
var task3 = new FinalizeTreeJob
{
Aabbs = aabbs,
Nodes = (Node *)nodes.GetUnsafePtr(),
BranchNodeOffsets = branchNodeOffset,
NumNodes = nodes.Length,
LeafFilters = filters,
BranchCount = branchCount
};
handle = task2.Schedule(Constants.MaxNumTreeBranches, 1, handle);
handle = task3.Schedule(handle);
handle.Complete();
var bvh = new BoundingVolumeHierarchy(nodes);
bvh.CheckIntegrity();
filters.Dispose();
nodes.Dispose();
ranges.Dispose();
branchCount.Dispose();
}
