public void FindSinglePointOnJitteredAreaLight(
double u,
double v,
double rx,
double ry,
double rz)
{
var corner = Vector4.CreatePosition(0, 0, 0);
var v1 = Vector4.CreateDirection(2, 0, 0);
var v2 = Vector4.CreateDirection(0, 0, 1);
var light = new AreaLight(
corner,
v1,
4,
v2,
2,
Color.White)
{
Jitter = new Sequence(0.3, 0.7),
};
var pt = light.GetPoint(u, v);
var expected = Vector4.CreatePosition(rx, ry, rz);
Assert.Equal(expected, pt);
}
public void AreaLightWithJitteredSamples(
double px,
double py,
double pz,
double result)
{
var w = new DefaultWorld();
var corner = Vector4.CreatePosition(-0.5, -0.5, -5);
var v1 = Vector4.CreateDirection(1, 0, 0);
var v2 = Vector4.CreateDirection(0, 1, 0);
var light = new AreaLight(
corner,
v1,
2,
v2,
2,
Color.White)
{
Jitter = new Sequence(0.7, 0.3, 0.9, 0.1, 0.5),
};
var pt = Vector4.CreatePosition(px, py, pz);
var intensity = light.GetIntensity(pt, w);
Assert.Equal(result, intensity);
}
public void TestAreaLightFindingSinglePoint()
{
var corner = Point.Zero;
var v1 = new Vector(2, 0, 0);
var v2 = Vector.VectorZ;
var light = new AreaLight(corner, v1, 4, v2, 2, Color.White);
light.JitterBy = Sequence.Generate(0.5, 0.5, 0.5);
Point pt;
pt = light.PointOnLight(0, 0);
Assert.AreEqual(pt, new Point(0.25, 0, 0.25));
pt = light.PointOnLight(1, 0);
Assert.AreEqual(pt, new Point(0.75, 0, 0.25));
pt = light.PointOnLight(0, 1);
Assert.AreEqual(pt, new Point(0.25, 0, 0.75));
pt = light.PointOnLight(2, 0);
Assert.AreEqual(pt, new Point(1.25, 0, 0.25));
pt = light.PointOnLight(3, 1);
Assert.AreEqual(pt, new Point(1.75, 0, 0.75));
}
public void TestMaterialAreaLight()
{
var corner = new Point(-0.5, -0.5, -5);
var v1 = Vector.VectorX;
var v2 = Vector.VectorY;
var light = new AreaLight(corner, v1, 2, v2, 2, Color.White);
var shape = new Sphere();
shape.Material.Ambient = 0.1;
shape.Material.Diffuse = 0.9;
shape.Material.Specular = 0.0;
shape.Material.Color = Color.White;
var eye = new Point(0, 0, -5);
Point pt;
Vector eyeV, normalV;
Color result;
pt = new Point(0, 0, -1);
eyeV = (new Vector(eye - pt)).Normalize;
normalV = new Vector(pt);
result = shape.Material.Lighting(shape, light, pt, eyeV, normalV, 1.0);
Assert.AreEqual(result, new Color(0.9965, 0.9965, 0.9965), "test 1");
pt = new Point(0, 0.7071, -0.7071);
eyeV = (new Vector(eye - pt)).Normalize;
normalV = new Vector(pt);
result = shape.Material.Lighting(shape, light, pt, eyeV, normalV, 1.0);
Assert.AreEqual(result, new Color(0.6232, 0.6232, 0.6232), "test 2");
}
void Init()
{
if (m_Initialized)
{
return;
}
if ((m_Light = GetComponent <Light>()) != null)
{
switch (m_Light.type)
{
case LightType.Point: m_Type = Type.Point; break;
case LightType.Directional: m_Type = Type.Directional; break;
default: m_Type = Type.None; break;
}
}
else if ((m_TubeLight = GetComponent <TubeLight>()) != null)
{
m_Type = Type.Tube;
}
else if ((m_AreaLight = GetComponent <AreaLight>()) != null)
{
m_Type = Type.Area;
}
m_Initialized = true;
}
void SetUpAreaLightBuffers(int kernel)
{
int count = m_AreaLightParamsCB == null ? 0 : m_AreaLightParamsCB.count;
m_InjectLightingAndDensity.SetFloat("_AreaLightsCount", count);
if (count == 0)
{
// Can't not set the buffers/textures
m_InjectLightingAndDensity.SetBuffer(kernel, "_AreaLights", m_DummyCB);
m_InjectLightingAndDensity.SetTexture(kernel, "_AreaLightShadowmap", Texture2D.whiteTexture);
return;
}
if (m_AreaLightParams == null || m_AreaLightParams.Length != count)
{
m_AreaLightParams = new AreaLightParams[count];
}
HashSet <FogLight> fogLights = LightManagerFogLights.Get();
int shadowedAreaLightIndex = -1;
int j = 0;
for (var x = fogLights.GetEnumerator(); x.MoveNext();)
{
var fl = x.Current;
if (fl == null || fl.type != FogLight.Type.Area || !fl.isOn)
{
continue;
}
AreaLight light = fl.areaLight;
m_AreaLightParams[j].mat = light.GetProjectionMatrix(true);
m_AreaLightParams[j].pos = light.GetPosition();
m_AreaLightParams[j].color = new Vector3(light.m_Color.r, light.m_Color.g, light.m_Color.b) * light.m_Intensity * fl.m_IntensityMult;
m_AreaLightParams[j].bounded = fl.m_Bounded ? 1 : 0;
if (fl.m_Shadows)
{
RenderTexture shadowmap = light.GetBlurredShadowmap();
if (shadowmap != null)
{
m_InjectLightingAndDensity.SetTexture(kernel, "_AreaLightShadowmap", shadowmap);
m_InjectLightingAndDensity.SetFloat("_ESMExponentAreaLight", fl.m_ESMExponent);
shadowedAreaLightIndex = j;
}
}
j++;
}
m_AreaLightParamsCB.SetData(m_AreaLightParams);
m_InjectLightingAndDensity.SetBuffer(kernel, "_AreaLights", m_AreaLightParamsCB);
m_InjectLightingAndDensity.SetFloat("_ShadowedAreaLightIndex", shadowedAreaLightIndex < 0 ? fogLights.Count : shadowedAreaLightIndex);
if (shadowedAreaLightIndex < 0)
{
m_InjectLightingAndDensity.SetTexture(kernel, "_AreaLightShadowmap", Texture2D.whiteTexture);
}
}
private void Spherical()
{
Emissive e = new Emissive(ColorUtils.WHITE, 28);
Sphere s1 = new Sphere(new Vec3(972, 756, 108), 120);
SphericalLamp sl1 = new SphericalLamp(s1, e);
sl1.Shadows = false;
sl1.Sampler = new MultiJittered(vp.NumSamples);
Sphere s2 = new Sphere(new Vec3(972, 756, -1296), 120);
SphericalLamp sl2 = new SphericalLamp(s2, e);
sl2.Shadows = false;
sl2.Sampler = new MultiJittered(vp.NumSamples);
Sphere s3 = new Sphere(new Vec3(-1188, 756, 108), 120);
SphericalLamp sl3 = new SphericalLamp(s3, e);
sl3.Shadows = false;
sl3.Sampler = new MultiJittered(vp.NumSamples);
Sphere s4 = new Sphere(new Vec3(-1188, 756, -1296), 120);
SphericalLamp sl4 = new SphericalLamp(s4, e);
sl4.Shadows = false;
sl4.Sampler = new MultiJittered(vp.NumSamples);
AddObject(sl1);
AddObject(sl2);
AddObject(sl3);
AddObject(sl4);
AreaLight l1 = new AreaLight();
l1.Object = sl1;
l1.Shadows = true;
AreaLight l2 = new AreaLight();
l2.Object = sl2;
l2.Shadows = true;
AreaLight l3 = new AreaLight();
l3.Object = sl3;
l3.Shadows = true;
AreaLight l4 = new AreaLight();
l4.Object = sl4;
l4.Shadows = true;
AddLight(l1);
AddLight(l2);
AddLight(l3);
AddLight(l4);
}
public void DeterminePointOnLight()
{
var corner = new Point(0, 0, 0);
var v1 = new Vector(2, 0, 0);
var v2 = new Vector(0, 0, 1);
var light = new AreaLight(corner, v1, 4, v2, 2, Colors.White);
light.UVPoint(0, 0).Should().Be(new Point(0.25f, 0, 0.25f));
light.UVPoint(1, 0).Should().Be(new Point(0.75f, 0, 0.25f));
light.UVPoint(0, 1).Should().Be(new Point(0.25f, 0, 0.75f));
light.UVPoint(2, 0).Should().Be(new Point(1.25f, 0, 0.25f));
light.UVPoint(3, 1).Should().Be(new Point(1.75f, 0, 0.75f));
}
public void CalculateAreaLightIntensityWithJitter()
{
var w = World.Default();
var corner = new Point(-0.5f, -0.5f, -5);
var v1 = new Vector(1, 0, 0);
var v2 = new Vector(0, 1, 0);
var light = new AreaLight(corner, v1, 2, v2, 2, Colors.White, new Sequence(0.7f, 0.3f, 0.9f, 0.1f, 0.5f));
PhongShading.IntensityAt(w, new Point(0, 0, 2), light).Should().BeApproximately(0.0f, 0.0001f);
PhongShading.IntensityAt(w, new Point(1, -1, 2), light).Should().BeApproximately(0.75f, 0.0001f);
PhongShading.IntensityAt(w, new Point(1.5f, 0, 2), light).Should().BeApproximately(0.75f, 0.0001f);
PhongShading.IntensityAt(w, new Point(1.25f, 1.25f, 3), light).Should().BeApproximately(0.75f, 0.0001f);
PhongShading.IntensityAt(w, new Point(0f, 0f, -2), light).Should().BeApproximately(1.0f, 0.0001f);
}
public void FindingSinglePointOnAnAreaLight_ShouldWork(double u, double v, Point result)
{
var corner = new Point(0, 0, 0);
var v1 = new Vector(2, 0, 0);
var v2 = new Vector(0, 0, 1);
var light = new AreaLight(corner, v1, 4, v2, 2, Color.White);
light.JitterBy = new Sequence(new List <double> {
0.5
});
var pt = light.PointOnLight(u, v);
Assert.Equal(result, pt, PointComparer);
}
public void CreatingAnAreaLight_ShouldWork()
{
var corner = new Point(0, 0, 0);
var v1 = new Vector(2, 0, 0);
var v2 = new Vector(0, 0, 1);
var light = new AreaLight(corner, v1, 4, v2, 2, Color.White);
Assert.Equal(corner, light.Corner);
Assert.Equal(new Vector(0.5, 0, 0), light.UVec, VectorComparer);
Assert.Equal(4, light.USteps);
Assert.Equal(new Vector(0, 0, 0.5), light.VVec, VectorComparer);
Assert.Equal(2, light.VSteps);
Assert.Equal(8, light.Samples);
Assert.Equal(new Point(1, 0, 0.5), light.Position, PointComparer);
}
public void CreateLight()
{
var corner = new Point(0, 0, 0);
var v1 = new Vector(2, 0, 0);
var v2 = new Vector(0, 0, 1);
var light = new AreaLight(corner, v1, 4, v2, 2, Colors.White);
light.Corner.Should().Be(corner);
light.U.Should().Be(new Vector(0.5f, 0, 0));
light.USteps.Should().Be(4);
light.V.Should().Be(new Vector(0, 0, 0.5f));
light.VSteps.Should().Be(2);
light.Samples.Should().Be(8);
light.Position.Should().Be(new Point(1, 0, 0.5f));
}
public void TestAreaLightIntensityFunction()
{
var w = World.Default;
var corner = new Point(-0.5, -0.5, -5);
var v1 = Vector.VectorX;
var v2 = Vector.VectorY;
var light = new AreaLight(corner, v1, 2, v2, 2, Color.White);
light.JitterBy = Sequence.Generate(0.5, 0.5, 0.5);
Assert.AreEqual(light.IntensityAt(new Point(0, 0, 2), w), 0.0, epsilon);
Assert.AreEqual(light.IntensityAt(new Point(1, -1, 2), w), 0.25, epsilon);
Assert.AreEqual(light.IntensityAt(new Point(1.5, 0, 2), w), 0.5, epsilon);
Assert.AreEqual(light.IntensityAt(new Point(1.25, 1.25, 3), w), 0.75, epsilon);
Assert.AreEqual(light.IntensityAt(new Point(0, 0, -2), w), 1.0, epsilon);
}
public void TestAreaLightCreate()
{
var corner = Point.Zero;
var v1 = new Vector(2, 0, 0);
var v2 = Vector.VectorZ;
var light = new AreaLight(corner, v1, 4, v2, 2, Color.White);
Assert.AreEqual(light.Corner, corner);
Assert.AreEqual(light.UVec, new Vector(0.5, 0, 0));
Assert.AreEqual(light.USteps, 4);
Assert.AreEqual(light.VVec, new Vector(0, 0, 0.5));
Assert.AreEqual(light.VSteps, 2);
Assert.AreEqual(light.Samples, 8);
Assert.AreEqual(light.Position, new Point(1, 0, 0.5));
}
public void AreaLight_ShouldWorkWithJitteredSamples(Point point, double result)
{
var w = new World();
w.CreateDefaultWorld();
var corner = new Point(-0.5, -0.5, -5);
var v1 = new Vector(1, 0, 0);
var v2 = new Vector(0, 1, 0);
var light = new AreaLight(corner, v1, 2, v2, 2, Color.White);
light.JitterBy = new Sequence(new List <double> {
0.7, 0.3, 0.9, 0.1, 0.5
});
var pt = point;
var intensity = light.IntensityAt(pt, w);
Assert.Equal(result, intensity, 2);
}
private void Window_Loaded(object sender, RoutedEventArgs e)
{
if (objectToEdit != null && objectToEdit is AreaLight)
{
AreaLight obj = objectToEdit as AreaLight;
txtBaseObjectId.Text = obj.BaseObjectId;
txtBaseObjectName.Text = obj.BaseObjectName;
isEditingObj = true;
txtBaseObjectId.IsEnabled = false;
//custom code
haloToLoad.Content = obj.HaloTextureName;
maskToLoad.Content = obj.LightMaskTextureName;
mapToLoad.Content = obj.LightMapTextureName;
cancelRevert = (AreaLight)Utils.DeepClone(obj);
//custom code end
}
}
private void UpdateCurrentAreaLightValues()
{
selectedAreaLight = (AreaLight)areaLightListBox.SelectedItem;
areaCeilRedTB.Text = selectedAreaLight.skyR + "";
areaCeilBlueTB.Text = selectedAreaLight.skyB + "";
areaCeilGreenTB.Text = selectedAreaLight.skyG + "";
areaGroundRedTB.Text = selectedAreaLight.groundR + "";
areaGroundGreenTB.Text = selectedAreaLight.groundG + "";
areaGroundBlueTB.Text = selectedAreaLight.groundB + "";
areaRotX.Text = selectedAreaLight.rotX + "";
areaRotY.Text = selectedAreaLight.rotY + "";
areaRotZ.Text = selectedAreaLight.rotZ + "";
areaPosXTB.Text = selectedAreaLight.positionX + "";
areaPosYTB.Text = selectedAreaLight.positionY + "";
areaPosZTB.Text = selectedAreaLight.positionZ + "";
areaScaleXTB.Text = selectedAreaLight.scaleX + "";
areaScaleYTB.Text = selectedAreaLight.scaleY + "";
areaScaleZTB.Text = selectedAreaLight.scaleZ + "";
}
public void CreatingAnAreaLight()
{
var corner = Vector4.CreatePosition(0, 0, 0);
var v1 = Vector4.CreateDirection(2, 0, 0);
var v2 = Vector4.CreateDirection(0, 0, 1);
var light = new AreaLight(
corner,
v1,
4,
v2,
2,
Color.White);
Assert.Equal(corner, light.Corner);
Assert.Equal(Vector4.CreateDirection(0.5, 0, 0), light.Uvec);
Assert.Equal(4, light.Usteps);
Assert.Equal(Vector4.CreateDirection(0, 0, 0.5), light.Vvec);
Assert.Equal(2, light.Vsteps);
Assert.Equal(8, light.Samples);
Assert.Equal(Vector4.CreatePosition(1, 0, 0.5), light.Position);
}
public override Vector3 Shade(ShadeRec sr)
{
Vector3 wo = -sr.ray.dir;
Vector3 L = m_ambientBRDF.rho(sr, wo) * sr.context.ambientLight.L(sr);
int lc = sr.context.lights.Count;
for (int i = 0; i < lc; i++)
{
var light = sr.context.lights[i];
Vector3 wi = light.GetDirection(sr).Nor();
AreaLight al = light as AreaLight;
if (al != null && al.GEOMETRY.GetNormal(Vector3.Zero).Dot(wi) > 0)
{
//判定单向
continue;
}
float ndotwi = sr.normal.Dot(wi);
if (ndotwi > 0)
{
bool inshadow = false;
if (light.CAST_SHADOW)
{
Ray shadowRay = new Ray(sr.localHitPoint + sr.normal * TracerConst.kEpsilon, wi);
inshadow = light.ShadowCheck(shadowRay, sr);
}
if (!inshadow)
{
L += (m_diffuseBRDF.F(sr, wo, wi) + m_specularBRDF.F(sr, wo, wi)) * light.L(sr) * ndotwi * light.G(sr) / light.PDF(sr);
}
}
}
return(L);
}
//protected virtual bool InShadow(Intersection intersect, Vector3D L) {
// if(this.scene.IsShadowActive) {
// float len = L.Length;
// Ray shadowRay = new Ray(intersect.HitPoint, L);
// //foreach(Primitive primitive in this.scene.Primitives) {
// if(this.scene.FindIntersection(shadowRay, out intersect)
// && intersect.TMin < len) {
// return true; //Total Shadow
// }
// //}
// }
// return false;
//}
protected virtual float ShadowFactor(Intersection intersect, Vector3D L, Light light)
{
float shadowFactor = 1; //[0..1] 1 = not in shadow, 0 = total shadow
if (this.scene.IsShadowActive)
{
Ray shadowRay;
if (!this.scene.IsSoftShadowActive)
{
float len = L.Length;
shadowRay = new Ray(intersect.HitPoint, L);
if (this.scene.FindIntersection(shadowRay, out intersect) && intersect.TMin < len)
{
shadowFactor = 0; //Total Shadow
}
}
else
{
AreaLight areaLight = light as AreaLight;
if (areaLight != null)
{
Vector3D toRndPointInLight;
float reductFactor = 1.0f / this.scene.SoftShadowSamples;
for (int i = 0; i < this.scene.SoftShadowSamples; i++)
{
toRndPointInLight = areaLight.GetRandomPoint() - intersect.HitPoint;
shadowRay = new Ray(intersect.HitPoint, toRndPointInLight);
if ((intersect.HitPrimitive != null &&
intersect.HitPrimitive.FindIntersection(shadowRay, out intersect)) ||
this.scene.FindIntersection(shadowRay, out intersect) &&
intersect.TMin < toRndPointInLight.Length)
{
shadowFactor -= reductFactor;
}
}
}
}
}
return(shadowFactor);
}
public void AreaLightIntensityFunction(
double px,
double py,
double pz,
double result)
{
var w = new DefaultWorld();
var corner = Vector4.CreatePosition(-0.5, -0.5, -5);
var v1 = Vector4.CreateDirection(1, 0, 0);
var v2 = Vector4.CreateDirection(0, 1, 0);
var light = new AreaLight(
corner,
v1,
2,
v2,
2,
Color.White);
var pt = Vector4.CreatePosition(px, py, pz);
var intensity = light.GetIntensity(pt, w);
Assert.Equal(result, intensity);
}
public void CalculateLightingWithAreaLight()
{
var corner = new Point(-0.5f, -0.5f, -5);
var v1 = new Vector(1, 0, 0);
var v2 = new Vector(0, 1, 0);
var light = new AreaLight(corner, v1, 2, v2, 2, Colors.White);
var s = new Sphere
{
Material = { Ambient = 0.1f, Diffuse = 0.9f, Specular = 0f, Texture = new SolidColor(Colors.White) }
};
var eye = new Point(0, 0, -5);
var pt = new Point(0, 0, -1);
var eyeV = (eye - pt).Normalize();
var normal = new Normal(pt.X, pt.Y, pt.Z);
var r = PhongShading.Lighting(s.Material, s, light, pt, eyeV, normal, 1.0f);
r.Should().Be(new Color(0.9965f, 0.9965f, 0.9965f));
pt = new Point(0, 0.7071f, -0.7071f);
eyeV = (eye - pt).Normalize();
normal = new Normal(pt.X, pt.Y, pt.Z);
r = PhongShading.Lighting(s.Material, s, light, pt, eyeV, normal, 1.0f);
r.Should().Be(new Color(0.6232f, 0.6232f, 0.6232f));
}
public void Lighting_ShouldSampleAreaLights(Point point, Color result)
{
var corner = new Point(-0.5, -0.5, -5);
var v1 = new Vector(1, 0, 0);
var v2 = new Vector(0, 1, 0);
var light = new AreaLight(corner, v1, 2, v2, 2, Color.White);
light.JitterBy = new Sequence(new List <double> {
0.5
});
var shape = new Sphere();
shape.Material.Ambient = 0.1;
shape.Material.Diffuse = 0.9;
shape.Material.Specular = 0;
shape.Material.Color = Color.White;
var eye = new Point(0, 0, -5);
var pt = point;
var eyev = (eye - pt).Normalize();
var normalv = new Vector(pt.x, pt.y, pt.z);
var r = shape.Material.Lighting(shape, light, pt, eyev, normalv, 1.0);
Assert.Equal(result, r, ColorComparer);
}
public Scene Build(int width, int height)
{
var camera = new Camera(width, height, 0.7854)
{
Transform = Transform.View(
Vector4.CreatePosition(-3, 1, 2.5),
Vector4.CreatePosition(0, 0.5, 0),
Vector4.CreateDirection(0, 1, 0)),
};
var light = new AreaLight(
Vector4.CreatePosition(-1, 2, 4),
Vector4.CreateDirection(2, 0, 0),
10,
Vector4.CreateDirection(0, 2, 0),
10,
new Color(1.5, 1.5, 1.5))
{
Jitter = new RandomSequence(),
};
var cube = new Cube()
{
Material = new Material()
{
Color = new Color(1.5, 1.5, 1.5),
Ambient = 1,
Diffuse = 0,
Specular = 0,
},
Transform =
Matrix4x4.Identity
.Scale(1, 1, 0.01)
.Translate(0, 3, 4),
Shadow = false,
};
var plane = new Plane()
{
Material = new Material()
{
Color = new Color(1, 1, 1),
Ambient = 0.025,
Diffuse = 0.67,
Specular = 0,
},
};
var sphere1 = new Sphere()
{
Transform =
Matrix4x4.Identity
.Scale(0.5, 0.5, 0.5)
.Translate(0.5, 0.5, 0),
Material = new Material()
{
Color = new Color(1, 0, 0),
Ambient = 0.1,
Specular = 0,
Diffuse = 0.6,
Reflective = 0.3,
},
};
var sphere2 = new Sphere()
{
Transform =
Matrix4x4.Identity
.Scale(0.33, 0.33, 0.33)
.Translate(-0.25, 0.33, 0),
Material = new Material()
{
Color = new Color(0.5, 0.5, 1),
Ambient = 0.1,
Specular = 0,
Diffuse = 0.6,
Reflective = 0.3,
},
};
var world = new World()
{
Objects = new Shape[]
{
cube,
plane,
sphere1,
sphere2
},
Lights = new ILight[]
{
light,
},
};
return(new Scene(world, camera));
}
public override void Build()
{
vp = ViewPlane.Create(1024, 768, SystemOfCoordinates.SSC_INT);
vp.NumSamples = 64;
vp.ShowOutOfGamut = 2;
backgroundColor = ColorUtils.BLACK;
tracer = new AreaLighting(this);
Ambient a = new Ambient();
a.ScaleRadiance = 1.0f;
AmbientLight = a;
Pinhole pinhole = new Pinhole(new Vec3(0.0, 0.0, 500.0),
new Vec3(0.0, 0.0, 0.0),
new Vec3(0.0, 1.0, 0.0),
2000.0f);
Camera = pinhole;
Emissive emissive = new Emissive();
emissive.ScaleRadiance = 40.0f;
emissive.Ce = ColorUtils.WHITE;
MultiJittered sampler = new MultiJittered(256);
sampler.Generate();
Rectangle rectangle = new Rectangle(new Vec3(100.0, 100.0, 200.0),
new Vec3(216.0, 0.0, 0.0),
new Vec3(0.0, 0.0, 216.0));
rectangle.Shadows = false;
RectangularLamp lamp = new RectangularLamp(rectangle, emissive);
lamp.Sampler = sampler;
AddObject(lamp);
AreaLight areaLight = new AreaLight();
areaLight.Object = lamp;
areaLight.Shadows = true;
AddLight(areaLight);
Vec3 lightGreen = new Vec3(0.65f, 1.0f, 0.30f);
Vec3 green = new Vec3(0.0f, 0.6f, 0.3f);
Vec3 darkGreen = new Vec3(0.0f, 0.41f, 0.41f);
Vec3 yellow = new Vec3(1.0f, 1.0f, 0.0f);
Vec3 darkYellow = new Vec3(0.61f, 0.61f, 0.0f);
Vec3 lightPurple = new Vec3(0.65f, 0.3f, 1.0f);
Vec3 darkPurple = new Vec3(0.5f, 0.0f, 1.0f);
Vec3 brown = new Vec3(0.71f, 0.40f, 0.16f);
Vec3 orange = new Vec3(1.0f, 0.75f, 0.0f);
Matte matte = new Matte();
matte.SetKa(0.2f);
matte.SetKd(0.5f);
matte.SetColor(ColorUtils.WHITE);
Plane p = new Plane(new Vec3(0, -85, 0), new Vec3(0, 1, 0));
p.Material = matte;
AddObject(p);
Matte m = new Matte();
//Plastic *m = new Plastic();
m.SetKa(0.2f);
m.SetKd(0.65f);
//m.SetKs(0.1f);
//m.SetExp(8.0f);
m.SetColor(ColorUtils.WHITE);
Sphere s = new Sphere(new Vec3(5, 3, 0), 30);
s.Material = m;
AddObject((Sphere)s.Clone());
s.SetCenter(45, -7, -60);
s.Radius = 20;
m.SetColor(brown);
AddObject((Sphere)s.Clone());
s.SetCenter(40, 43, -100);
s.Radius = 17;
m.SetColor(darkGreen);
AddObject((Sphere)s.Clone());
s.SetCenter(-20, 28, -15);
s.Radius = 20;
m.SetColor(orange);
AddObject((Sphere)s.Clone());
s.SetCenter(-25, -7, -35);
s.Radius = 27;
m.SetColor(green);
AddObject((Sphere)s.Clone());
s.SetCenter(20, -27, -35);
s.Radius = 25;
m.SetColor(lightGreen);
AddObject((Sphere)s.Clone());
s.SetCenter(35, 18, -35);
s.Radius = 22;
m.SetColor(green);
AddObject((Sphere)s.Clone());
s.SetCenter(-57, -17, -50);
s.Radius = 15;
m.SetColor(brown);
AddObject((Sphere)s.Clone());
s.SetCenter(-47, 16, -80);
s.Radius = 23;
m.SetColor(lightGreen);
AddObject((Sphere)s.Clone());
s.SetCenter(-15, -32, -60);
s.Radius = 22;
m.SetColor(darkGreen);
AddObject((Sphere)s.Clone());
s.SetCenter(-35, -37, -80);
s.Radius = 22;
m.SetColor(darkYellow);
AddObject((Sphere)s.Clone());
s.SetCenter(10, 43, -80);
s.Radius = 22;
m.SetColor(darkYellow);
AddObject((Sphere)s.Clone());
s.SetCenter(30, -7, -80);
s.Radius = 10;
m.SetColor(darkYellow);
AddObject((Sphere)s.Clone());
s.SetCenter(-40, 48, -110);
s.Radius = 18;
m.SetColor(darkGreen);
AddObject((Sphere)s.Clone());
s.SetCenter(-10, 53, -120);
s.Radius = 18;
m.SetColor(brown);
AddObject((Sphere)s.Clone());
s.SetCenter(-55, -52, -100);
s.Radius = 10;
m.SetColor(lightPurple);
AddObject((Sphere)s.Clone());
s.SetCenter(5, -52, -100);
s.Radius = 15;
m.SetColor(brown);
AddObject((Sphere)s.Clone());
s.SetCenter(-20, -57, -120);
s.Radius = 15;
m.SetColor(darkPurple);
AddObject((Sphere)s.Clone());
s.SetCenter(55, -27, -100);
s.Radius = 17;
m.SetColor(darkGreen);
AddObject((Sphere)s.Clone());
s.SetCenter(50, -47, -120);
s.Radius = 15;
m.SetColor(brown);
AddObject((Sphere)s.Clone());
s.SetCenter(70, -42, -150);
s.Radius = 10;
m.SetColor(lightPurple);
AddObject((Sphere)s.Clone());
s.SetCenter(5, 73, -130);
s.Radius = 12;
m.SetColor(lightPurple);
AddObject((Sphere)s.Clone());
s.SetCenter(66, 21, -130);
s.Radius = 13;
m.SetColor(darkPurple);
AddObject((Sphere)s.Clone());
s.SetCenter(72, -12, -140);
s.Radius = 12;
m.SetColor(lightPurple);
AddObject((Sphere)s.Clone());
s.SetCenter(64, 5, -160);
s.Radius = 11;
m.SetColor(green);
AddObject((Sphere)s.Clone());
s.SetCenter(55, 38, -160);
s.Radius = 12;
m.SetColor(lightPurple);
AddObject((Sphere)s.Clone());
s.SetCenter(-73, -2, -160);
s.Radius = 12;
m.SetColor(lightPurple);
AddObject((Sphere)s.Clone());
s.SetCenter(30, -62, -140);
s.Radius = 15;
m.SetColor(darkPurple);
AddObject((Sphere)s.Clone());
s.SetCenter(25, 63, -140);
s.Radius = 15;
m.SetColor(darkPurple);
AddObject((Sphere)s.Clone());
s.SetCenter(-60, 46, -140);
s.Radius = 15;
m.SetColor(darkPurple);
AddObject((Sphere)s.Clone());
s.SetCenter(-30, 68, -130);
s.Radius = 12;
m.SetColor(lightPurple);
AddObject((Sphere)s.Clone());
s.SetCenter(58, 56, -180);
s.Radius = 11;
m.SetColor(green);
AddObject((Sphere)s.Clone());
s.SetCenter(-63, -39, -180);
s.Radius = 11;
m.SetColor(green);
AddObject((Sphere)s.Clone());
s.SetCenter(46, 68, -200);
s.Radius = 10;
m.SetColor(lightPurple);
AddObject((Sphere)s.Clone());
s.SetCenter(-3, -72, -130);
s.Radius = 12;
m.SetColor(lightPurple);
AddObject(s);
}
public override void Build()
{
vp = ViewPlane.Create(1920, 1080, SystemOfCoordinates.SSC_INT);
vp.NumSamples = 144;
vp.MaxDepth = 10;
backgroundColor = new Vec3(0.15);
tracer = new AreaLighting(this);
AmbientOccluder a = new AmbientOccluder();
a.ScaleRadiance = 0.5;
a.MinAmount = 0.05;
a.Sampler = new MultiJittered(vp.NumSamples);
AmbientLight = a;
Pinhole pinhole = new Pinhole(new Vec3(75, 40, 100),
new Vec3(-10, 39, 0),
new Vec3(0.0, 1.0, 0.0),
360, 3.0f);
Camera = pinhole;
Rectangle rectangle = new Rectangle(new Vec3(75, 40, 100),
new Vec3(0, 50, 0),
new Vec3(50, 0, -50));
Emissive e = new Emissive(ColorUtils.WHITE, 20);
RectangularLamp lamp = new RectangularLamp(rectangle, e);
lamp.Sampler = new MultiJittered(vp.NumSamples);
lamp.Shadows = false;
AddObject(lamp);
AreaLight light = new AreaLight();
light.Object = lamp;
AddLight(light);
Reflective reflective1 = new Reflective();
reflective1.SetKa(0.25f);
reflective1.SetKd(0.5f);
reflective1.SetColor(0.75f, 0.75f, 0.0f);
reflective1.SetSpecularColor(ColorUtils.WHITE);
reflective1.SetKs(0.15f);
reflective1.SetExp(100.0f);
reflective1.SetKr(0.75f);
reflective1.SetReflectiveColor(ColorUtils.WHITE);
double radius = 23.0;
Sphere s1 = new Sphere(new Vec3(38, radius, -25), radius);
s1.Material = reflective1;
AddObject(s1);
Matte matte1 = new Matte();
matte1.SetKa(0.45f);
matte1.SetKd(0.75f);
matte1.SetColor(0.75f, 0.25f, 0.0f);
Sphere s2 = new Sphere(new Vec3(-7, 10, 42), 20);
s2.Material = matte1;
AddObject(s2);
Reflective reflective2 = new Reflective();
reflective2.SetKa(0.35f);
reflective2.SetKd(0.75f);
reflective2.SetColor(ColorUtils.BLACK);
reflective2.SetSpecularColor(ColorUtils.WHITE);
reflective2.SetKs(0.0f);
reflective2.SetExp(1.0f);
reflective2.SetKr(0.75f);
reflective2.SetReflectiveColor(ColorUtils.WHITE);
Sphere s3 = new Sphere(new Vec3(-30, 59, 35), 20);
s3.Material = reflective2;
AddObject(s3);
//cylinder
Reflective reflective3 = new Reflective();
reflective3.SetKa(0.35f);
reflective3.SetKd(0.5f);
reflective3.SetColor(0.0f, 0.5f, 0.75f);
reflective3.SetSpecularColor(ColorUtils.WHITE);
reflective3.SetKs(0.2f);
reflective3.SetExp(100.0f);
reflective3.SetKr(0.75f);
reflective3.SetReflectiveColor(ColorUtils.WHITE);
float b = 0.0f;
float t = 85f;
float cr = 22f;
SolidCylinder cylinder = new SolidCylinder(b, t, cr);
cylinder.Material = reflective3;
AddObject(cylinder);
//box
Matte matte2 = new Matte();
matte2.SetKa(0.15f);
matte2.SetKd(0.5f);
matte2.SetColor(0.75f, 1.0f, 0.75f);
Box box = new Box(new Vec3(-35, 0, -110),
new Vec3(-25, 60, 65));
box.Material = matte2;
AddObject(box);
//plane
Matte matte3 = new Matte();
matte3.SetKa(0.30f);
matte3.SetKd(0.9f);
matte3.SetColor(ColorUtils.WHITE);
Plane plane = new Plane(new Vec3(),
new Vec3(0, 1, 0));
plane.Material = matte3;
AddObject(plane);
}
public override void Build()
{
vp = ViewPlane.Create(1024, 768, SystemOfCoordinates.SSC_INT);
//vp.NumSamples = 4096;
vp.NumSamples = 400;
vp.MaxDepth = 10;
backgroundColor = ColorUtils.BLACK;
tracer = new GlobalTrace(this);
//tracer = new PathTrace(this);
Ambient ambient = new Ambient();
ambient.ScaleRadiance = 0;
AmbientLight = ambient;
Pinhole camera = new Pinhole();
camera.SetEye(27.6, 27.4, -80);
camera.SetLookat(27.6, 27.4, 0.0);
camera.ViewPlaneDistance = 1200;
Camera = camera;
Vec3 p0;
Vec3 a, b;
Vec3 normal;
// box dimensions
double width = 55.28; // x direction
double height = 54.88; // y direction
double depth = 55.92; // z direction
Emissive emissive = new Emissive(new Vec3(1.0, 0.73, 0.4), 100);
p0 = new Vec3(21.3, height - 0.001, 22.7);
a = new Vec3(0.0, 0.0, 10.5);
b = new Vec3(13.0, 0.0, 0.0);
normal = new Vec3(0.0, -1.0, 0.0);
RectangularLamp lamp = new RectangularLamp(new Rectangle(p0, a, b, normal), emissive);
lamp.Sampler = new MultiJittered(vp.NumSamples);
AddObject(lamp);
AreaLight ceilingLight = new AreaLight();
ceilingLight.Object = lamp;
AddLight(ceilingLight);
// left wall
Matte matte1 = new Matte();
matte1.SetKa(0.0f);
matte1.SetKd(0.6f);
matte1.SetColor(0.57f, 0.025f, 0.025f); // red
matte1.SetSampler(new MultiJittered(vp.NumSamples));
p0 = new Vec3(width, 0.0, 0.0);
a = new Vec3(0.0, 0.0, depth);
b = new Vec3(0.0, height, 0.0);
normal = new Vec3(-1.0, 0.0, 0.0);
Rectangle leftWall = new Rectangle(p0, a, b, normal);
leftWall.Material = matte1;
AddObject(leftWall);
// right wall
Matte matte2 = new Matte();
matte2.SetKa(0.0f);
matte2.SetKd(0.6f);
matte2.SetColor(0.37f, 0.59f, 0.2f); // green
matte2.SetSampler(new MultiJittered(vp.NumSamples));
p0 = new Vec3(0.0, 0.0, 0.0);
a = new Vec3(0.0, 0.0, depth);
b = new Vec3(0.0, height, 0.0);
normal = new Vec3(1.0, 0.0, 0.0);
Rectangle rightWall = new Rectangle(p0, a, b, normal);
rightWall.Material = matte2;
AddObject(rightWall);
// back wall
Matte matte3 = new Matte();
matte3.SetKa(0.0f);
matte3.SetKd(0.6f);
matte3.SetColor(ColorUtils.WHITE);
matte3.SetSampler(new MultiJittered(vp.NumSamples));
p0 = new Vec3(0.0, 0.0, depth);
a = new Vec3(width, 0.0, 0.0);
b = new Vec3(0.0, height, 0.0);
normal = new Vec3(0.0, 0.0, -1.0);
Rectangle backWall = new Rectangle(p0, a, b, normal);
backWall.Material = matte3;
AddObject(backWall);
// floor
p0 = new Vec3(0.0, 0.0, 0.0);
a = new Vec3(0.0, 0.0, depth);
b = new Vec3(width, 0.0, 0.0);
normal = new Vec3(0.0, 1.0, 0.0);
Rectangle floor = new Rectangle(p0, a, b, normal);
floor.Material = matte3;
AddObject(floor);
// ceiling
p0 = new Vec3(0.0, height, 0.0);
a = new Vec3(0.0, 0.0, depth);
b = new Vec3(width, 0.0, 0.0);
normal = new Vec3(0.0, -1.0, 0.0);
Rectangle ceiling = new Rectangle(p0, a, b, normal);
ceiling.Material = matte3;
AddObject(ceiling);
// the two boxes defined as 5 rectangles each
// short box
// top
p0 = new Vec3(13.0, 16.5, 6.5);
a = new Vec3(-4.8, 0.0, 16.0);
b = new Vec3(16.0, 0.0, 4.9);
normal = new Vec3(0.0, 1.0, 0.0);
Rectangle shortTop = new Rectangle(p0, a, b, normal);
shortTop.Material = matte3;
AddObject(shortTop);
// side 1
p0 = new Vec3(13.0, 0.0, 6.5);
a = new Vec3(-4.8, 0.0, 16.0);
b = new Vec3(0.0, 16.5, 0.0);
Rectangle shortSide1 = new Rectangle(p0, a, b);
shortSide1.Material = matte3;
AddObject(shortSide1);
// side 2
p0 = new Vec3(8.2, 0.0, 22.5);
a = new Vec3(15.8, 0.0, 4.7);
Rectangle shortSide2 = new Rectangle(p0, a, b);
shortSide2.Material = matte3;
AddObject(shortSide2);
// side 3
p0 = new Vec3(24.2, 0.0, 27.4);
a = new Vec3(4.8, 0.0, -16.0);
Rectangle shortSide3 = new Rectangle(p0, a, b);
shortSide3.Material = matte3;
AddObject(shortSide3);
// side 4
p0 = new Vec3(29.0, 0.0, 11.4);
a = new Vec3(-16.0, 0.0, -4.9);
Rectangle shortSide4 = new Rectangle(p0, a, b);
shortSide4.Material = matte3;
AddObject(shortSide4);
// tall box
// top
p0 = new Vec3(42.3, 33.0, 24.7);
a = new Vec3(-15.8, 0.0, 4.9);
b = new Vec3(4.9, 0.0, 15.9);
normal = new Vec3(0.0, 1.0, 0.0);
Rectangle tallTop = new Rectangle(p0, a, b, normal);
tallTop.Material = matte3;
AddObject(tallTop);
// side 1
p0 = new Vec3(42.3, 0.0, 24.7);
a = new Vec3(-15.8, 0.0, 4.9);
b = new Vec3(0.0, 33.0, 0.0);
Rectangle tallSide1 = new Rectangle(p0, a, b);
tallSide1.Material = matte3;
AddObject(tallSide1);
// side 2
p0 = new Vec3(26.5, 0.0, 29.6);
a = new Vec3(4.9, 0.0, 15.9);
Rectangle tallSide2 = new Rectangle(p0, a, b);
tallSide2.Material = matte3;
AddObject(tallSide2);
// side 3
p0 = new Vec3(31.4, 0.0, 45.5);
a = new Vec3(15.8, 0.0, -4.9);
Rectangle tallSide3 = new Rectangle(p0, a, b);
tallSide3.Material = matte3;
AddObject(tallSide3);
// side 4
p0 = new Vec3(47.2, 0.0, 40.6);
a = new Vec3(-4.9, 0.0, -15.9);
Rectangle tallSide4 = new Rectangle(p0, a, b);
tallSide4.Material = matte3;
AddObject(tallSide4);
}
public override void Build()
{
vp = ViewPlane.Create(1024, 768, SystemOfCoordinates.SSC_INT);
vp.NumSamples = 100;
vp.MaxDepth = 10;
backgroundColor = new Vec3(0.0, 0.3, 0.25);
tracer = new Whitted(this);
//AmbientOccluder a = new AmbientOccluder(ColorUtils.WHITE,
// 0.25, 1.0);
//a.Sampler = new MultiJittered(vp.NumSamples);
Ambient a = new Ambient();
a.ScaleRadiance = 0.25f;
AmbientLight = a;
Pinhole pinhole = new Pinhole(new Vec3(1, 7.5, 20),
new Vec3(0.0, -0.35, 0.0),
new Vec3(0.0, 1.0, 0.0),
5250);
Camera = pinhole;
Emissive e = new Emissive();
e.ScaleRadiance = 3.0f;
e.Ce = ColorUtils.WHITE;
RectangularLamp lamp = new RectangularLamp(
new Rectangle(new Vec3(0, 20, 0),
new Vec3(1, 0, 0),
new Vec3(0, 0, 1),
new Vec3(0, -1, 0)),
e);
lamp.Sampler = new MultiJittered(vp.NumSamples);
AddObject(lamp);
AreaLight areaLight = new AreaLight();
areaLight.Object = lamp;
areaLight.Shadows = true;
AddLight(areaLight);
//PointLight l = new PointLight();
//l.SetLocation(20, 20, 15);
//l.ScaleRadiance = 3.0f;
//AddLight(l);
Transparent glass = new Transparent();
glass.SetKs(0.5f);
glass.SetExp(2000);
glass.SetIor(1.5f);
glass.SetKr(0.1f);
glass.SetKt(1.53f);
//glass.SetCd(0.4f);
float ir = 0.9f;
float or = 1;
//Bowl b = Bowl.CreateFlatRimmedBowl(ir, or);
Bowl b = Bowl.CreateRoundRimmedBowl(ir, or);
b.Material = glass;
AddObject(b);
Reflective reflective = new Reflective();
reflective.SetKa(0.6f);
reflective.SetKd(0.4f);
reflective.SetCd(ColorUtils.RED);
reflective.SetKs(0.5f);
reflective.SetExp(2000);
reflective.SetKr(0.25f);
double r = 0.4;
double t = 55;
t = MathUtils.PI * t / 180;
double x = -(0.9 - r) * Math.Cos(t);
double y = -(0.9 - r) * Math.Sin(t);
Sphere s = new Sphere(new Vec3(x, y, 0), r, reflective);
AddObject(s);
Reflective reflective2 = new Reflective();
reflective2.SetKa(0.6f);
reflective2.SetKd(0.4f);
reflective2.SetCd(ColorUtils.YELLOW);
reflective2.SetKs(0.5f);
reflective2.SetExp(2000);
reflective2.SetKr(0.5f);
r = 0.35;
t = 35;
t = MathUtils.PI * t / 180;
x = (0.9 - r) * Math.Cos(t);
y = -(0.9 - r) * Math.Sin(t);
Sphere s2 = new Sphere(new Vec3(x, y, 0), r, reflective2);
AddObject(s2);
Matte rm = new Matte();
rm.SetColor(ColorUtils.WHITE);
rm.SetKa(0.8f);
rm.SetKd(0.85f);
Rectangle rectangle = new Rectangle(new Vec3(-2, -1, -5),
new Vec3(0, 0, 9),
new Vec3(4, 0, 0));
rectangle.Material = rm;
AddObject(rectangle);
}
public (World, Camera) Setup(int width, int height, double fov)
{
// ======================================================
// the camera
// ======================================================
var camera = new Camera(width, height, fov)
{
Transform = Transformation.ViewTransform(
new Point(1, 2, -5), // view from
new Point(0, 2, 0), // view to
new Vector(0, 1, 0)), // vector up
ProgressMonitor = new ParallelConsoleProgressMonitor(height),
};
// ======================================================
// light sources
// ======================================================
var light = new PointLight(
new Point(-20, 20, -20),
new Color(1, 1, 1)
);
var light2 = new PointLight(
new Point(-20, 10, -5),
new Color(1, 1, 1)
);
var areaLight = new AreaLight(
new Point(-100, 100, -100),
new Vector(4, 0, 0),
6,
new Vector(0, 4, 0),
6,
new Color(1.0, 1.0, 1.0)
);
var floor = new Plane()
{
Material = new Material()
{
Color = Color.White,
Ambient = 0.1,
Diffuse = 0.1,
Specular = 0.0,
Reflective = 0.4,
},
};
FileStream stream = File.OpenRead("/Users/rhagan/VSCode Projects/RayTracer/RayTracer.Program/Scenes/Textures/brickwall.ppm");
StreamReader reader = new StreamReader(stream);
var wallTexture = PpmReader.ReadCanvasFromPpm(reader);
var textureLeft = new UvImage(wallTexture);
var textureFront = textureLeft;
var textureRight = textureLeft;
var textureBack = textureLeft;
var textureUp = textureLeft;
var textureDown = textureLeft;
stream = File.OpenRead("/Users/rhagan/VSCode Projects/RayTracer/RayTracer.Program/Scenes/Textures/brickwall_normal.ppm");
reader = new StreamReader(stream);
var wallNormalMap = PpmReader.ReadCanvasFromPpm(reader);
var normalLeft = new UvImage(wallNormalMap);
var normalFront = normalLeft;
var normalRight = normalLeft;
var normalBack = normalLeft;
var normalUp = normalLeft;
var normalDown = normalLeft;
var mapCubeMaterial = new Material()
{
Pattern = new CubeMap(textureLeft, textureFront, textureRight, textureBack, textureUp, textureDown),
NormalMap = new CubeMap(normalLeft, normalFront, normalRight, normalBack, normalUp, normalDown),
Ambient = 0.7,
Specular = 0.0,
Diffuse = 0.8,
};
var box = new Cube()
{
Transform =
Transformation.Translation(0, 2, 0) *
Transformation.Rotation_y(1.9),
Material = mapCubeMaterial,
};
World world = new World();
world.Shapes = new List <Shape> {
floor, box
};
world.Lights = new List <ILight> {
light
};
return(world, camera);
}
public override void Build()
{
vp = ViewPlane.Create(1024, 768, SystemOfCoordinates.SSC_INT);
vp.NumSamples = 4;
backgroundColor = ColorUtils.BLACK;
tracer = new AreaLighting(this);
MultiJittered sampler = new MultiJittered(vp.NumSamples);
sampler.Generate();
AmbientOccluder occluder = new AmbientOccluder(ColorUtils.WHITE, 0.0);
occluder.Sampler = sampler;
//occluder.ScaleRadiance = 1.0;
//occluder.Color = ColorUtils.WHITE;
//occluder.SetMinAmount(0.0f);
AmbientLight = occluder;
Pinhole pinhole = new Pinhole(new Vec3(0.0, 0.0, 500.0),
new Vec3(0.0, 0.0, 0.0),
new Vec3(0.0, 1.0, 0.0),
2000.0f);
Camera = pinhole;
Emissive emissive = new Emissive(ColorUtils.WHITE, 20.0f);
//emissive.ScaleRadiance = 1.0f;
//emissive.Ce = new Vec3(1.0, 1.0, 1.0);
sampler = new MultiJittered(256);
sampler.Generate();
ConcaveSphere sphere = new ConcaveSphere(new Vec3(), 10000.0);
//sphere.Radius = 10000.0;
sphere.Sampler = sampler;
sphere.Material = emissive;
sphere.EmissiveMaterial = emissive;
sphere.Shadows = false;
AddObject(sphere);
sampler = new MultiJittered(256);
sampler.Generate();
EnvironmentLight l = new EnvironmentLight();
l.Material = emissive;
l.Sampler = sampler;
l.Sampler.MapSamplesToHemisphere(10);
l.Shadows = true;
AddLight(l);
//Rectangle rectangle = new Rectangle(new Vec3(0.0, 100.0, 0.0),
// new Vec3(216.0, 0.0, 0.0),
// new Vec3(0.0, 0.0, 216.0));
//emissive = new Emissive();
//emissive.ScaleRadiance = 1.0f;
//emissive.Ce = ColorUtils.WHITE;
//rectangle.Material = emissive;
//rectangle.Sampler = sampler;
//rectangle.Shadows = false;
//AddObject(rectangle);
AreaLight areaLight = new AreaLight();
areaLight.Object = sphere;
areaLight.Shadows = true;
AddLight(areaLight);
Vec3 lightGreen = new Vec3(0.65f, 1.0f, 0.30f);
Vec3 green = new Vec3(0.0f, 0.6f, 0.3f);
Vec3 darkGreen = new Vec3(0.0f, 0.41f, 0.41f);
Vec3 yellow = new Vec3(1.0f, 1.0f, 0.0f);
Vec3 darkYellow = new Vec3(0.61f, 0.61f, 0.0f);
Vec3 lightPurple = new Vec3(0.65f, 0.3f, 1.0f);
Vec3 darkPurple = new Vec3(0.5f, 0.0f, 1.0f);
Vec3 brown = new Vec3(0.71f, 0.40f, 0.16f);
Vec3 orange = new Vec3(1.0f, 0.75f, 0.0f);
Matte matte = new Matte();
matte.SetKa(0.2f);
matte.SetKd(0.5f);
matte.SetColor(ColorUtils.WHITE);
Plane p = new Plane(new Vec3(0, -85, 0), new Vec3(0, 1, 0));
p.Material = matte;
AddObject(p);
Phong m = new Phong();
m.SetKa(0.2f);
m.SetKd(0.65f);
m.SetKs(0.1f);
m.SetExp(8.0f);
m.SetColor(ColorUtils.WHITE);
Sphere s = new Sphere(new Vec3(5, 3, 0), 30);
s.Material = m;
AddObject((Sphere)s.Clone());
s.SetCenter(45, -7, -60);
s.Radius = 20;
m.SetColor(brown);
AddObject((Sphere)s.Clone());
s.SetCenter(40, 43, -100);
s.Radius = 17;
m.SetColor(darkGreen);
AddObject((Sphere)s.Clone());
s.SetCenter(-20, 28, -15);
s.Radius = 20;
m.SetColor(orange);
AddObject((Sphere)s.Clone());
s.SetCenter(-25, -7, -35);
s.Radius = 27;
m.SetColor(green);
AddObject((Sphere)s.Clone());
s.SetCenter(20, -27, -35);
s.Radius = 25;
m.SetColor(lightGreen);
AddObject((Sphere)s.Clone());
s.SetCenter(35, 18, -35);
s.Radius = 22;
m.SetColor(green);
AddObject((Sphere)s.Clone());
s.SetCenter(-57, -17, -50);
s.Radius = 15;
m.SetColor(brown);
AddObject((Sphere)s.Clone());
s.SetCenter(-47, 16, -80);
s.Radius = 23;
m.SetColor(lightGreen);
AddObject((Sphere)s.Clone());
s.SetCenter(-15, -32, -60);
s.Radius = 22;
m.SetColor(darkGreen);
AddObject((Sphere)s.Clone());
s.SetCenter(-35, -37, -80);
s.Radius = 22;
m.SetColor(darkYellow);
AddObject((Sphere)s.Clone());
s.SetCenter(10, 43, -80);
s.Radius = 22;
m.SetColor(darkYellow);
AddObject((Sphere)s.Clone());
s.SetCenter(30, -7, -80);
s.Radius = 10;
m.SetColor(darkYellow);
AddObject((Sphere)s.Clone());
s.SetCenter(-40, 48, -110);
s.Radius = 18;
m.SetColor(darkGreen);
AddObject((Sphere)s.Clone());
s.SetCenter(-10, 53, -120);
s.Radius = 18;
m.SetColor(brown);
AddObject((Sphere)s.Clone());
s.SetCenter(-55, -52, -100);
s.Radius = 10;
m.SetColor(lightPurple);
AddObject((Sphere)s.Clone());
s.SetCenter(5, -52, -100);
s.Radius = 15;
m.SetColor(brown);
AddObject((Sphere)s.Clone());
s.SetCenter(-20, -57, -120);
s.Radius = 15;
m.SetColor(darkPurple);
AddObject((Sphere)s.Clone());
s.SetCenter(55, -27, -100);
s.Radius = 17;
m.SetColor(darkGreen);
AddObject((Sphere)s.Clone());
s.SetCenter(50, -47, -120);
s.Radius = 15;
m.SetColor(brown);
AddObject((Sphere)s.Clone());
s.SetCenter(70, -42, -150);
s.Radius = 10;
m.SetColor(lightPurple);
AddObject((Sphere)s.Clone());
s.SetCenter(5, 73, -130);
s.Radius = 12;
m.SetColor(lightPurple);
AddObject((Sphere)s.Clone());
s.SetCenter(66, 21, -130);
s.Radius = 13;
m.SetColor(darkPurple);
AddObject((Sphere)s.Clone());
s.SetCenter(72, -12, -140);
s.Radius = 12;
m.SetColor(lightPurple);
AddObject((Sphere)s.Clone());
s.SetCenter(64, 5, -160);
s.Radius = 11;
m.SetColor(green);
AddObject((Sphere)s.Clone());
s.SetCenter(55, 38, -160);
s.Radius = 12;
m.SetColor(lightPurple);
AddObject((Sphere)s.Clone());
s.SetCenter(-73, -2, -160);
s.Radius = 12;
m.SetColor(lightPurple);
AddObject((Sphere)s.Clone());
s.SetCenter(30, -62, -140);
s.Radius = 15;
m.SetColor(darkPurple);
AddObject((Sphere)s.Clone());
s.SetCenter(25, 63, -140);
s.Radius = 15;
m.SetColor(darkPurple);
AddObject((Sphere)s.Clone());
s.SetCenter(-60, 46, -140);
s.Radius = 15;
m.SetColor(darkPurple);
AddObject((Sphere)s.Clone());
s.SetCenter(-30, 68, -130);
s.Radius = 12;
m.SetColor(lightPurple);
AddObject((Sphere)s.Clone());
s.SetCenter(58, 56, -180);
s.Radius = 11;
m.SetColor(green);
AddObject((Sphere)s.Clone());
s.SetCenter(-63, -39, -180);
s.Radius = 11;
m.SetColor(green);
AddObject((Sphere)s.Clone());
s.SetCenter(46, 68, -200);
s.Radius = 10;
m.SetColor(lightPurple);
AddObject((Sphere)s.Clone());
s.SetCenter(-3, -72, -130);
s.Radius = 12;
m.SetColor(lightPurple);
AddObject(s);
}
public static Light CreateLightFromElement(this RElement ele, int ns)
{
bool shad = getShadow(ele);
float rad = ele.Attributes[P.Radi].ToFloat();
string n = ele.Name;
if (n == P.Lights.Amb)
{
Ambient amb = new Ambient();
amb.RadianceScale = rad;
amb.Color = ele.Attributes[P.Col].ToVector3();
amb.Shadows = shad;
return amb;
}
else if (n == P.Lights.AmbOcc)
{
AmbientOccluder amb = new AmbientOccluder();
amb.SetSampler(ele.Attributes[P.Sampler].CreateSamplerFromAttribute(ns));
amb.RadianceScale = rad;
amb.Color = ele.Attributes[P.Col].ToVector3();
amb.Shadows = shad;
return amb;
}
else if (n == P.Lights.PL)
{
PointLight pl = new PointLight();
pl.Position = ele.Attributes[P.Pos].ToVector3();
pl.RadianceScale = rad;
pl.Color = ele.Attributes[P.Col].ToVector3();
pl.Shadows = shad;
return pl;
}
else if (n == P.Lights.Direc)
{
Directional d = new Directional();
d.Direction = ele.Attributes[P.Dir].ToVector3();
d.RadianceScale = rad;
d.Color = ele.Attributes[P.Col].ToVector3();
d.Shadows = shad;
return d;
}
else if (n == P.Lights.AL)
{
AreaLight al = new AreaLight();
al.SetObject(GeometricObject.GetObject(ele.Attributes[P.Name].Value));
al.Shadows = shad;
return al;
}
throw new Exception();
}
private void Start()
{
m_areaLight = GetComponentInChildren<AreaLight>();
}