public void EstimateLodDensitySamplingPerformance()
{
var env = new TerrainLodEnvironment();
// At the moment of writing we averaged 3 densities per cell for 16x16x16, but lets assume its 1 (when alot of single material chunks exist)
var numMeshes = 500;
var numIts = 32;
var extraSimulate = 10; // Do the test 'extraSimulate' times to make it more accurate, but this is again subtracted from total later
estimateSamplingPerformance(extraSimulate, numIts, env, numMeshes);
}
private static void estimateSamplingPerformance(int extraSimulate, int numIts, TerrainLodEnvironment env, int numMeshes)
{
var perf = PerformanceHelper.Measure(() =>
{
for (int j = 0; j < extraSimulate; j++)
{
for (int x = 0; x < numIts; x++)
{
for (int y = 0; y < numIts; y++)
{
for (int z = 0; z < numIts; z++)
{
var value = env.densityFunction(new Vector3(x, y, z));
}
}
}
}
});
Console.WriteLine("Time for {0}x{0}x{0}: {1}", numIts, perf.Multiply(1f / extraSimulate).PrettyPrint());
Console.WriteLine("Time for 32*1024 with lod: " + perf.Multiply((float)numMeshes / extraSimulate).PrettyPrint());
}
public void TestLodEnvironment()
{
var env = new TerrainLodEnvironment();
env.LoadIntoEngine(EngineFactory.CreateEngine());
}
