private void TimerCallback(object state)
{
RTIMUData data = thread.GetIMUData;
var task = this.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
TextGyro.Text = string.Format("Gyro (radians/sec):: x: {0:F4}, y: {1:F4}, z: {2:F4}",
data.gyro.X, data.gyro.Y, data.gyro.Z);
TextAccel.Text = string.Format("Accel (g):: x: {0:F4}, y: {1:F4}, z: {2:F4}",
data.accel.X, data.accel.Y, data.accel.Z);
TextMag.Text = string.Format("Mag (uT):: x: {0:F4}, y: {1:F4}, z: {2:F4}",
data.mag.X, data.mag.Y, data.mag.Z);
TextPose.Text = RTMath.DisplayDegrees("Pose:", data.fusionPose);
TextQPose.Text = RTMath.Display("QPose:", data.fusionQPose);
BiasTextStatus.Text = string.Format("Gyro bias:: {0}, Mag cal: {1}",
thread.GyroBiasValid ? "valid" : "invalid", thread.MagCalValid ? "valid" : "invalid");
TextPressure.Text = string.Format("Pressure (hPa):: {0:F4}", data.pressure);
TextHumidity.Text = string.Format("Humidity (%RH):: {0:F4}", data.humidity);
TextTemperature.Text = string.Format("Temperature (degC):: {0:F4}", data.temperature);
if (thread.IMUInitComplete)
{
TextRate.Text = string.Format("Rate: {0} samples per second", thread.SampleRate);
}
IMUTextStatus.Text = "IMU status:: " + thread.IMUErrorMessage;
PressureTextStatus.Text = "Pressure status:: " + thread.PressureErrorMessage;
HumidityTextStatus.Text = "Humidity status:: " + thread.HumidityErrorMessage;
});
}
private void Working()
{
RTMath.ThreadInitRnd();
for (int i = 0; i < pIndex; ++i)
{
if (IsDestroied)
{
return;
}
Item item = items[i];
Color color = Color.black;
for (int s = 0; s < numSamples; ++s)
{
float u = (item.i + RTMath.Rnd01()) / canvasWidth;
float v = (item.j + RTMath.Rnd01()) / canvasHeight;
RTRay ray = cam.GetRay(u, v);
color += renderer.GetColor(ray, 0);
}
color /= numSamples;
item.finalColor = color;
items[i] = item;
}
status = STATUS_COMPLETE;
}
public override bool Scatter(RTRay ray, HitRecord hit, out Color attenuation, out RTRay scattered)
{
Vector3 reflected = RTMath.Reflect(ray.direction.normalized, hit.n);
scattered = new RTRay().Set(hit.p, reflected + fuzz * RTMath.RndInUnitSphere());
attenuation = albedo;
return(Vector3.Dot(scattered.direction, hit.n) > 0);
}
public override bool Scatter(RTRay ray, HitRecord hit, out Color attenuation, out RTRay scattered)
{
Vector3 target = hit.p + hit.n + RTMath.RndInUnitSphere();
scattered = new RTRay().Set(hit.p, target - hit.p);
attenuation = albedo;
return(true);
}
public RTRay GetRay(float s, float t)
{
Vector3 rd = RTMath.RndInUnitSphere() * len_radius;
Vector3 offset = u * rd.x + v * rd.y;
RTRay ray = new RTRay();
ray.Set(origin + offset, leftBottomCorner + horizontal * s + vertical * t - origin - offset);
return(ray);
}
public override Color GetColor(RTRay ray, int depth)
{
HitRecord hit;
if (scene.Hit(ray, 0.001f, 1000, out hit))
{
Vector3 target = hit.p + hit.n + RTMath.RndInUnitSphere();
float absorptivity = 0.5f;
return(absorptivity * GetColor(new RTRay().Set(hit.p, target - hit.p), depth + 1));
}
return(RTCanvas.GetEnvironmentColor(ray));
}
public override bool Scatter(RTRay ray, HitRecord hit, out Color attenuation, out RTRay scattered)
{
attenuation = new Color(1, 1, 1);
Vector3 outwardN;
float ni_over_nt;
Vector3 refracted;
float reflect_prob;
float cosine;
if (Vector3.Dot(ray.direction, hit.n) > 0)
{
outwardN = -hit.n;
ni_over_nt = refractiveIndex;
cosine = Vector3.Dot(ray.direction, hit.n) / ray.direction.magnitude;
}
else
{
outwardN = hit.n;
ni_over_nt = 1.0f / refractiveIndex;
cosine = -Vector3.Dot(ray.direction, hit.n) / ray.direction.magnitude;
}
if (RTMath.Refract(ray.direction, outwardN, ni_over_nt, out refracted))
{
reflect_prob = RTMath.schlick(cosine, refractiveIndex);
}
else
{
reflect_prob = 1.0f;
}
if (RTMath.Rnd01() < reflect_prob)
{
scattered = new RTRay().Set(hit.p, RTMath.Reflect(ray.direction, hit.n));
}
else
{
scattered = new RTRay().Set(hit.p, refracted);
}
return(true);
}
protected override void Awake()
{
base.Awake();
numSamples = 5;
isScreenSize = true;
ppmTexture.sRGB = true;
scene = new HitableList();
scene.list.Add(new RTSphere().Set(new Vector3(0, -1000, 0), 1000).SetMaterial <RTSphere>(new Lambertian().SetAlbedo <Lambertian>(new Color(0.5f, 0.5f, 0.5f))));
for (int a = -11; a < 11; ++a)
{
for (int b = -11; b < 11; ++b)
{
float rnd = RTMath.Rnd01();
Vector3 center = new Vector3(a + 0.9f * rnd, 0.2f, b + 0.9f * rnd);
if ((center - new Vector3(4, 0.2f, 0)).magnitude > 0.9f)
{
if (rnd < 0.6f)
{
scene.list.Add(new RTSphere().Set(center, 0.2f).SetMaterial <RTSphere>(new Lambertian().SetAlbedo <Lambertian>(new Color(RTMath.Rnd01(), RTMath.Rnd01(), RTMath.Rnd01()))));
}
else if (rnd < 0.9f)
{
scene.list.Add(new RTSphere().Set(center, 0.2f).SetMaterial <RTSphere>(new Metal().SetAlbedo <Metal>(new Color(0.5f * (1 + RTMath.Rnd01()), 0.5f * (1 + RTMath.Rnd01()), 0.5f * (1 + RTMath.Rnd01()))).SetFuzz(0.5f * RTMath.Rnd01())));
}
else
{
scene.list.Add(new RTSphere().Set(center, 0.2f).SetMaterial <RTSphere>(new Dielectric().SetRefractiveIndex(1.5f)));
}
}
}
}
scene.list.Add(new RTSphere().Set(new Vector3(0, 1, 0), 1).SetMaterial <RTSphere>(new Dielectric().SetRefractiveIndex(1.5f)));
scene.list.Add(new RTSphere().Set(new Vector3(-4, 1, 0), 1).SetMaterial <RTSphere>(new Lambertian().SetAlbedo <Lambertian>(new Color(0.4f, 0.2f, 0.1f))));
scene.list.Add(new RTSphere().Set(new Vector3(4, 1, 0), 1).SetMaterial <RTSphere>(new Metal().SetAlbedo <Metal>(new Color(0.7f, 0.6f, 0.5f)).SetFuzz(0.0f)));
}
protected virtual void Awake()
{
RTMath.ThreadInitRnd();
}
protected virtual void Start()
{
int canvasWidth = isScreenSize ? Screen.width : 200;
int canvasHeight = isScreenSize ? Screen.height : 100;
cam = CreateCamera(canvasWidth, canvasHeight);
ppmTexture.Init(canvasWidth, canvasHeight);
renderingTasksManager = new RenderingTasksManager();
int pixelIndex = 0;
RenderingTask task = null;
int itemsCount = 0;
for (int j = 0; j < ppmTexture.Height; ++j)
{
for (int i = 0; i < ppmTexture.Width; ++i)
{
if (multiThreadRendering)
{
if (itemsCount == 0)
{
task = new RenderingTask();
task.Init(this, cam, ppmTexture.Width, ppmTexture.Height, numSamples);
renderingTasksManager.AddTask(task, RenderingTaskCompleteCB);
}
task.AddItem(i, j, pixelIndex);
++itemsCount;
if (itemsCount == RenderingTask.SIZE)
{
itemsCount = 0;
}
++pixelIndex;
}
else
{
Color color = Color.black;
for (int s = 0; s < numSamples; ++s)
{
float u = (i + RTMath.Rnd01()) / ppmTexture.Width;
float v = (j + RTMath.Rnd01()) / ppmTexture.Height;
RTRay ray = cam.GetRay(u, v);
color += GetColor(ray, 0);
}
color /= numSamples;
ppmTexture.WriteAPixel(color);
}
}
}
if (!multiThreadRendering)
{
ppmTexture.Complete();
RenderingComplete();
}
else
{
renderingTasksManager.Start();
}
}
protected virtual void Awake()
{
RTMath.ThreadInitRnd();
ppmTexture = new PPMTexture();
}