public BroadPhase(ComputeShader compute, ComputeShader computeSort, LifeService l, PositionService p)
{
var capacity = l.Lifes.count;
_lifes = l;
_positions = p;
_kernelInitYs = compute.FindKernel(ShaderConst.KERNEL_INIT_BROADPHASE);
_kernelSolve = compute.FindKernel(ShaderConst.KERNEL_SOVLE_BROADPHASE);
_compute = compute;
_sort = new BitonicMergeSort(computeSort);
Keys = new ComputeBuffer(capacity, Marshal.SizeOf(typeof(uint)));
_ys = new ComputeBuffer(capacity, Marshal.SizeOf(typeof(float)));
Bands = new ComputeBuffer(capacity, Marshal.SizeOf(typeof(Band)));
}
public HashGrid(ComputeShader compute, ComputeShader computeSort, LifeService l, PositionService p, GridService.Grid g)
{
var capacity = l.Lifes.count;
_compute = compute;
_lifes = l;
_positions = p;
_kernelSolve = compute.FindKernel(ShaderConst.KERNEL_SOVLE_COLLISION_DETECTION);
_sort = new BitonicMergeSort(computeSort);
_keys = new ComputeBuffer(capacity, Marshal.SizeOf(typeof(uint)));
CollisionData = new Collision[capacity];
Collisions = new ComputeBuffer(capacity, Marshal.SizeOf(typeof(Collision)));
_hashes = new HashService(compute, l, p);
_grid = new GridService(compute, g, _hashes);
}
void Start()
{
var count = 1 << powOfSize;
Debug.LogFormat("Count={0}", count);
_sort = new BitonicMergeSort(compute);
_keys = new DisposableBuffer <uint>(count);
_values = new DisposableBuffer <int>(count);
Random.seed = seed;
var data = new int[count];
for (var i = 0; i < count; i++)
{
data[i] = i;
}
for (var i = 0; i < count; i++)
{
var j = Random.Range(0, count);
var k = Random.Range(0, count);
var tmp = data[j]; data[j] = data[k]; data[k] = tmp;
}
System.Array.Copy(data, _values.Data, count);
_values.Upload();
_sort.Init(_keys.Buffer);
_sort.SortInt(_keys.Buffer, _values.Buffer);
_keys.Download();
var failed = false;
for (var i = 0; i < count; i++)
{
var j = _values.Data[_keys.Data[i]];
if (j != i)
{
failed = true;
Debug.LogErrorFormat("Unexpected Key {0} at {1}", j, i);
}
}
Debug.LogFormat("Sort Test Result = {0}", (failed ? "Wrong" : "Correct"));
}
