protected void DepthKernel(float dt)
{
var kernel = new Kernel(voxelControl, "Depth");
SetupControlKernel(kernel, dt);
voxelControl.SetVector("_TileOffset", tileOffset);
var instance = CityGlobal.Instance;
if (instance.Tiles.ContainsKey(tileTag))
{
var u = instance.Tiles[tileTag];
var tb = BoundsWorldToLocal(u.WBounds, transform);
voxelControl.SetVector("_TileBoundsMin", tb.min);
voxelControl.SetVector("_TileBoundsMax", tb.max);
var wb = BoundsWorldToLocal(instance.WholeBounds, transform);
voxelControl.SetVector("_WholeBoundsMin", wb.min);
voxelControl.SetVector("_WholeBoundsMax", wb.max);
// uv (xy : scale, wz : offset)
voxelControl.SetVector(
"_Tile",
new Vector4(
tb.size.x / wb.size.x,
tb.size.y / wb.size.y,
(tb.min.x - wb.min.x) / wb.size.x,
(tb.min.y - wb.min.y) / wb.size.y
)
);
}
GPUHelper.Dispatch3D(voxelControl, kernel, data.Width, data.Height, data.Depth);
}
public void Clear()
{
var kernel = compute.FindKernel("Clear");
compute.SetTexture(kernel, "_Volume", buffer);
GPUHelper.Dispatch3D(compute, kernel, size, size, size);
}
protected void CalculateNormal()
{
var kernel = compute.FindKernel("CalculateNormal");
compute.SetInt("_Width", N);
compute.SetInt("_Height", N);
compute.SetInt("_Depth", N);
compute.SetFloat("_Inv", 1f / N);
compute.SetTexture(kernel, "_Volume", volume.Tex);
compute.SetTexture(kernel, "_Result", normalBuffer);
GPUHelper.Dispatch3D(compute, kernel, N, N, N);
}
protected void Build()
{
var kernel = compute.FindKernel("Build");
compute.SetInt("_Width", N);
compute.SetInt("_Height", N);
compute.SetInt("_Depth", N);
compute.SetInt("_Border", 1);
compute.SetFloat("_Inv", 1f / N);
compute.SetFloat("_Threshold", threshold);
compute.SetTexture(kernel, "_Volume", volume.Tex);
compute.SetBuffer(kernel, "_Buffer", vertexBuffer);
compute.SetTexture(kernel, "_Normals", normalBuffer);
compute.SetBuffer(kernel, "_CubeEdgeFlags", cubeEdgeFlags);
compute.SetBuffer(kernel, "_TriangleConnectionTable", triangleConnectionTable);
GPUHelper.Dispatch3D(compute, kernel, N, N, N);
}
