void Start()
{
windField = GetComponent <ComputeWindField>();
Vector3Int windFieldNumCells = windField.GetNumCells();
windField1DBuffer = new ComputeBuffer(windFieldNumCells.x * windFieldNumCells.y * windFieldNumCells.z, bufferStride);
kernel = windFieldTo1DCompute.FindKernel("WindFieldTo1DBuffer");
groupSizes = new uint[3];
windFieldTo1DCompute.GetKernelThreadGroupSizes(kernel, out groupSizes[0], out groupSizes[1], out groupSizes[2]);
}
private void UpdateWindFieldBuffer()
{
Vector3Int windFieldNumCells = windField.GetNumCells();
if (windField1DBuffer != null)
{
windField1DBuffer.Release();
}
windField1DBuffer = new ComputeBuffer(windFieldNumCells.x * windFieldNumCells.y * windFieldNumCells.z, bufferStride);
windFieldTo1DCompute.SetBuffer(kernel, "Result", windField1DBuffer);
windFieldTo1DCompute.SetTexture(kernel, "windFieldStatic", windField.GetStaticWindField());
windFieldTo1DCompute.SetTexture(kernel, "windFieldDynamic", windField.GetDynamicWindField());
windFieldTo1DCompute.SetTexture(kernel, "windFieldNoise", windField.GetNoiseWindField());
Vector3 globalWind = windField.GetGlobalWind();
windFieldTo1DCompute.SetFloats("globalWind", new float[3] {
globalWind.x, globalWind.y, globalWind.z
});
windFieldTo1DCompute.SetInt("numCellsX", windFieldNumCells.x);
windFieldTo1DCompute.SetInt("numCellsY", windFieldNumCells.y);
windFieldTo1DCompute.SetFloat("cellSize", windField.GetCellSize());
Vector3 leastCorner = windField.LeastCorner;
windFieldTo1DCompute.SetFloats("leastCorner", new float[3] {
leastCorner.x, leastCorner.y, leastCorner.z
});
/*
* int[] numGroups = new int[3]
* {
* Mathf.Max(1, Mathf.CeilToInt(windFieldNumCells.x / (float)groupSizes[0])),
* Mathf.Max(1, Mathf.CeilToInt(windFieldNumCells.y / (float)groupSizes[1])),
* Mathf.Max(1, Mathf.CeilToInt(windFieldNumCells.z / (float)groupSizes[2]))
* };
*/
int numGroupsX = Mathf.Max(1, Mathf.CeilToInt((windFieldNumCells.x * windFieldNumCells.y * windFieldNumCells.z) / 64));
//windFieldTo1DCompute.Dispatch(kernel, numGroups[0], numGroups[1], numGroups[2]);
windFieldTo1DCompute.Dispatch(kernel, numGroupsX, 1, 1);
}
