public void FindBand(float distance)
{
int x = _lifes.SimSizeX, y = _lifes.SimSizeY, z = _lifes.SimSizeZ;
_compute.SetBuffer(_kernelInitYs, ShaderConst.BUF_LIFE, _lifes.Lifes);
_compute.SetBuffer(_kernelInitYs, ShaderConst.BUF_POSITION, _positions.P0);
_compute.SetBuffer(_kernelInitYs, ShaderConst.BUF_Y, _ys);
_compute.Dispatch(_kernelInitYs, x, y, z);
_sort.Init(Keys);
_sort.Sort(Keys, _ys);
_compute.SetFloat(ShaderConst.PROP_BROADPHASE_DISTANCE, distance);
_compute.SetBuffer(_kernelSolve, ShaderConst.BUF_Y, _ys);
SetBuffer(_compute, _kernelSolve);
_compute.Dispatch(_kernelSolve, x, y, z);
}
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"));
}
public void Detect(float distance)
{
int x = _lifes.SimSizeX, y = _lifes.SimSizeY, z = _lifes.SimSizeZ;
_hashes.Init(_grid);
_sort.Init(_keys);
_sort.SortInt(_keys, _hashes.Hashes);
_grid.Construct(_keys);
_grid.SetParams(_compute);
_compute.SetFloat(ShaderConst.PROP_BROADPHASE_SQR_DISTANCE, distance * distance);
_compute.SetBuffer(_kernelSolve, ShaderConst.BUF_BROADPHASE_KEYS, _keys);
_positions.SetBuffer(_compute, _kernelSolve);
_lifes.SetBuffer(_compute, _kernelSolve);
_grid.SetBuffer(_compute, _kernelSolve);
SetBuffer(_compute, _kernelSolve);
_compute.Dispatch(_kernelSolve, x, y, z);
}