public IEnumerator Test()
{
var amount = PerformanceComparisonConfig.ObjectCount;
Random.InitState(0);
var s = Stopwatch.StartNew();
for (int i = 0; i < amount; i++)
{
var collider = new GameObject().AddComponent <UnityEngine.BoxCollider>();
collider.transform.position = PerformanceComparisonConfig.GetRandomPosition();
collider.size = PerformanceComparisonConfig.GetRandomSize();
}
Debug.Log("Creating go's took (but can't measure broad phase construction): " + s.Elapsed.TotalMilliseconds);
yield return(null);
var raycastAmount = PerformanceComparisonConfig.RaycastAmount;
RaycastHit[] results = new RaycastHit[amount];
int hits = 0;
s.Restart();
for (int i = 0; i < raycastAmount; i++)
{
var d = PerformanceComparisonConfig.RayEnd - PerformanceComparisonConfig.RayStart;
hits = Physics.RaycastNonAlloc(PerformanceComparisonConfig.RayStart, math.normalize(d), results, math.length(d));
}
Debug.Log("Raycasts took: " + s.Elapsed.TotalMilliseconds + " results: " + hits);
}
private void DoTest()
{
var amount = PerformanceComparisonConfig.ObjectCount;
var world = new BVHTreeWorld(amount, Allocator.Persistent);
Random.InitState(0);
var colliders = new NativeArray <Collider>(amount, Allocator.TempJob);
var transforms = new NativeArray <RigidTransform>(amount, Allocator.TempJob);
for (int i = 0; i < PerformanceComparisonConfig.ObjectCount; i++)
{
colliders[i] = BoxCollider.Create(float3.zero, PerformanceComparisonConfig.GetRandomSize());
transforms[i] = new RigidTransform(quaternion.identity, PerformanceComparisonConfig.GetRandomPosition());
}
var s = Stopwatch.StartNew();
Profiler.BeginSample("broad");
new BVHTreeWorld.InsertCollidersAndTransformsJob {
Tree = world.tree,
Bodies = world.bodies,
Colliders = colliders,
Transforms = transforms
}.Run();
Profiler.EndSample();
if (enableLog)
{
Debug.Log("Building broad phase took: " + s.Elapsed.TotalMilliseconds);
}
var rayResult = new NativeList <int>(64, Allocator.TempJob);
var start = PerformanceComparisonConfig.RayStart;
var end = PerformanceComparisonConfig.RayEnd;
var rayJob = new RayJob {
Tree = world.tree,
RayInput = new NativeBVHTree.Ray {
origin = start,
direction = math.normalize(end - start),
maxDistance = math.distance(start, end),
},
Results = rayResult
};
s.Restart();
rayJob.Run();
if (enableLog)
{
Debug.Log("Raycasts took: " + s.Elapsed.TotalMilliseconds + " results: " + rayResult.Length);
}
s.Restart();
world.Update();
if (enableLog)
{
Debug.Log("Building broad phase again after no changes took: " + s.Elapsed.TotalMilliseconds);
}
for (int i = 0; i < 100; i++)
{
int randomIndex = Random.Range(1, PerformanceComparisonConfig.ObjectCount);
world.UpdateTransform(randomIndex, new RigidTransform(quaternion.identity, PerformanceComparisonConfig.GetRandomPosition()));
}
s.Restart();
world.Update();
if (enableLog)
{
Debug.Log("Building broad phase again after some changes took: " + s.Elapsed.TotalMilliseconds);
}
}