public void Single_Distribution()
{
Distribution(
10,
1_000_000,
() => Convert.ToInt32(Math.Truncate(r.NextSingle(0, 10)))
);
}
public void TestNextSingle()
{
var random = new System.Random(54321);
var average = Enumerable.Range(0, 20000).Select(_ => random.NextSingle())
.Average();
Assert.Equal(actual: average, expected: .5f, precision: 2);
}
public static void LatinHypercube(float[] samples, int nSamples, int nDim, Random rng)
{
// Generate LHS samples along diagonal
float delta = 1.0f / nSamples;
for (var i = 0; i < nSamples; ++i)
for (var j = 0; j < nDim; ++j)
samples[nDim * i + j] = Math.Min((i + (rng.NextSingle())) * delta, OneMinusEpsilon);
// Permute LHS samples in each dimension
for (var i = 0; i < nDim; ++i)
for (var j = 0; j < nSamples; ++j)
{
var other = j + (rng.Next() % (nSamples - j));
MathUtility.Swap(ref samples[nDim * j + i], ref samples[nDim * other + i]);
}
}
protected override void OnInitialize()
{
var rand = new Random();
Entity.Register("selection marker", ent => {
ent.AddComponent<Render3D>()
.SetModel(EntityModel.Get("models", "selection"))
.SetOffset(new Vector3(0f, 1f / 8f, 0f))
.SetScale(0.5f);
ent.ThinkExtended += (sender, e) => {
ent.GetComponent<Render3D>()
.SetRotation((float) (Math.PI * MainWindow.Time));
};
});
Entity.Register("human", ent => {
ent.AddComponent<RenderAnim>();
ent.AddComponent<Collision>()
.SetDimentions(0.5f, 0.5f)
.SetModel(CollisionModel.Repel | CollisionModel.Entity);
ent.AddComponent<Movement>();
ent.AddComponent<Health>();
});
Entity.Register("survivor", "human", ent => {
ent.AddComponent<Survivor>();
ent.AddComponent<DeliberativeAI>()
.AddDesire<Entities.Desires.Wander>()
.AddDesire<Entities.Desires.ThreatAvoidance>()
.AddDesire<Entities.Desires.WallAvoidance>()
.AddDesire<Entities.Desires.Migration>()
.AddDesire<Entities.Desires.Mobbing>()
.AddDesire<Entities.Desires.Barricading>();
});
Entity.Register("zombie", "human", ent => {
ent.AddComponent<Zombie>();
ent.AddComponent<ZombieAI>();
});
Entity.Register("crate", ent => {
ent.AddComponent<StaticTile>();
ent.AddComponent<Health>();
ent.AddComponent<WoodenBreakable>();
ent.AddComponent<Collision>()
.SetDimentions(1.125f, 1.125f)
.SetModel(CollisionModel.Entity);
ent.AddComponent<Render3D>()
.SetRotation(rand.NextSingle(-MathHelper.Pi / 16f, MathHelper.Pi / 16f))
.SetScale(
rand.NextSingle(0.75f, 0.9f),
rand.NextSingle(0.75f, 0.9f),
rand.NextSingle(0.75f, 0.9f));
});
Entity.Register("small crate", "crate", ent => {
ent.GetComponent<Health>()
.SetMaximum(50)
.Revive();
ent.GetComponent<WoodenBreakable>()
.SetMinPlanks(2)
.SetMaxPlanks(3);
ent.GetComponent<Render3D>()
.SetModel(EntityModel.Get("models", "deco", "crate", "small"))
.SetSkin(rand);
});
Entity.Register("large crate", "crate", ent => {
ent.GetComponent<Health>()
.SetMaximum(100)
.Revive();
ent.GetComponent<WoodenBreakable>()
.SetMinPlanks(3)
.SetMaxPlanks(6);
ent.GetComponent<Render3D>()
.SetModel(EntityModel.Get("models", "deco", "crate", "large"))
.SetSkin(rand);
});
Entity.Register("plank", ent => {
ent.AddComponent<Plank>();
ent.AddComponent<Render3D>()
.SetModel(EntityModel.Get("models", "deco", "plank"))
.SetSkin(rand)
.SetScale(
rand.NextSingle(0.75f, 0.9f),
rand.NextSingle(0.75f, 0.9f),
rand.NextSingle(0.75f, 0.9f));
});
Entity.Register("wood pile", ent => {
ent.AddComponent<Collision>()
.SetDimentions(1.125f, 1.125f)
.SetModel(CollisionModel.Entity);
var pile = ent.AddComponent<WoodPile>();
int count = rand.Next(8) + 1;
for (int i = 0; i < count; ++i) {
pile.AddPlank(Entity.Create(ent.World, "plank"));
}
});
_navTimer = new Stopwatch();
MainWindow.SetScene(new MenuScene(Game));
}
protected override void OnCityGenerated()
{
GameScene scene = MainWindow.CurrentScene as GameScene;
World world = scene.World;
Random rand = new Random();
Func<Vector2> randPos = () => {
Vector2 pos;
do {
pos = new Vector2(rand.NextSingle() * world.Width, rand.NextSingle() * world.Height);
} while (world.GetTile(pos).IsSolid);
return pos;
};
for (int i = 0; i < scene.HumanCount; ++i) {
Entity surv = Entity.Create(world, "survivor");
surv.Position2D = randPos();
surv.Spawn();
}
for (int i = 0; i < scene.ZombieCount; ++i) {
Entity zomb = Entity.Create(world, "zombie");
zomb.Position2D = randPos();
zomb.Spawn();
}
}
public BsdfSample(Random rng)
{
UDir0 = rng.NextSingle();
UDir1 = rng.NextSingle();
UComponent = rng.NextSingle();
}
public LightSample(Random rng)
{
UPos0 = rng.NextSingle();
UPos1 = rng.NextSingle();
UComponent = rng.NextSingle();
}
