public void BlendsTwoTextures()
{
var s1 = new StripeTexture(Colors.White, Colors.Black);
var s2 = new StripeTexture(Colors.White, Colors.Black);
s2.SetTransform(Transform.RotateY(MathF.PI / 2f));
var texture = new BlendedCompositeTexture(s1, s2);
texture.LocalColorAt(new Point(1f, 0, 0)).Should().Be(Colors.Black);
texture.LocalColorAt(new Point(2f, 0f, 0)).Should().Be(new Color(0.5f, 0.5f, 0.5f));
texture.LocalColorAt(new Point(3f, 0f, 0f)).Should().Be(Colors.Black);
texture.LocalColorAt(new Point(2f, 0f, 1f)).Should().Be(Colors.White);
}
private static World BuildWorld()
{
Console.WriteLine("Loading file...");
var filePath = Path.Combine(GetExecutionPath(), "indoor_env.ppm");
//var filePath = Path.Combine(GetExecutionPath(), "winter_river_1k.ppm");
Console.WriteLine("Parsing file...");
var textureCanvas = PPM.ParseFile(filePath);
var image = new UVImage(textureCanvas);
var map = new TextureMap(image, UVMapping.Spherical);
var skySphere = new Sphere
{
Material =
{
Texture = map, Ambient = 1.5f, CastsShadows = false, Transparency = 0f, Roughness = 1f,
SpecularColor = new Color(0.0f, 0.0f, 0.0f)
}
};
//skySphere.SetTransform(Transforms.RotateY(3.4f).Scale(1000f));
skySphere.SetTransform(Transform.RotateY(3.3f).Scale(10000f));
var s1 = new StripeTexture(Colors.White, Colors.Black);
var s2 = new StripeTexture(Colors.White, Colors.Black);
s2.SetTransform(Transform.RotateY(MathF.PI / 2));
var pattern = new BlendedCompositeTexture(s1, s2);
pattern.SetTransform(Transform.Scale(1f / 20f));
var testPattern =
new UVAlignTestPattern(Colors.White, Colors.Red, Colors.Yellow, Colors.Green, Colors.Blue);
var testMap = new TextureMap(testPattern, UVMapping.Cylindrical);
//var stripe = new StripePattern(new Color(0.9f, 0, 0), new Color(0.0f, 0.0f, 0.9f));
//stripe.SetTransform(Transforms.Scale(0.25f, 0.25f, 0.25f).RotateY(MathF.PI / 4));
//var perlin = new PerlinRippleCompositePattern(stripe, 0.8f);
//perlin.SetTransform(Transforms.Scale(0.1f, 0.1f, 0.1f));
var worldFilePath = Path.Combine(GetExecutionPath(), "world.ppm");
var worldCanvas = PPM.ParseFile(worldFilePath);
var worldTexture = new UVImage(worldCanvas);
var worldPattern = new TextureMap(worldTexture, UVMapping.Spherical);
var floor = new Cube
{
Material =
{
Texture = pattern,
Specular = 0.1f,
Reflective = 0.1f,
Roughness = 0.22f,
Ambient = 0f,
SpecularColor = new Color(0.1f, 0.1f, 0.1f)
}
};
floor.SetTransform(Transform.TranslateY(-1).Scale(20f));
var middle = new Sphere
{
Material =
{
Texture = worldPattern, Diffuse = 0.7f, Specular = 1f, Reflective = 0.4f, Shininess = 600,
Roughness = 0.2f, Metallic = 0.3f, SpecularColor = new Color(0.1f,0.2f, 0.5f), Ambient = 0f
}
};
middle.SetTransform(Transform.RotateY(1.5f).Translate(-0.5f, 1f, 0.1f));
var right = new Sphere
{
Material =
{
Texture = new TextureMap(new UVCheckers(20, 10, Colors.Black, Colors.White), UVMapping.Spherical),
Roughness = 0.5f,
Diffuse = 0.7f,
Specular = 0.3f,
Reflective = 0.2f,
Ambient = 0f,
SpecularColor = new Color(0.2f, 0.2f, 0.2f)
}
};
right.SetTransform(Transform.Translate(0.25f, 0.25f, -1f) * Transform.Scale(0.25f));
var rightPlastic = new Sphere
{
Material =
{
Texture = new SolidColor(new Color(1f, 0.0f, 0.0f)),
SpecularColor = new Color(0.2f, 0.2f, 0.2f),
Roughness = 0.25f, Metallic = 0f,
Ambient = 0.0f
}
};
rightPlastic.SetTransform(Transform.Translate(-0.15f, 0.15f, -0.91f) * Transform.Scale(0.15f));
var left = new Sphere
{
Material =
{
Texture = new SolidColor(new Color(0.85f, 0.85f, 0.90f)),
SpecularColor = new Color(0.3f, 0.3f, 0.3f),
Roughness = 0.10f, Metallic = 0.6f,
Transparency = 0.95f, RefractiveIndex = 1.52f,Ambient = 0.0f
}
};
left.SetTransform(Transform.Translate(-1.3f, 0.30f, -0.75f) * Transform.Scale(0.30f));
// left.SetTransform(Transforms.Translate(-2.1f, 0.33f, 0.5f) * Transforms.Scale(0.33f, 0.33f, 0.33f));
var leftChrome = new Sphere
{
Material =
{
Texture = new SolidColor(new Color(0.9f, 0.9f, 0.95f)), Diffuse = 0.05f, Specular = 0.9f,
SpecularColor = new Color(0.9f, 0.9f, 0.95f),
Roughness = 0.55f, Metallic = 1f,
Transparency = 0, RefractiveIndex = 1.52f,Reflective = 1.4f, Ambient = 0.0f, Shininess = 300
}
};
leftChrome.SetTransform(Transform.Translate(-0.95f, 0.15f, -1.1f) * Transform.Scale(0.15f));
var cube = new Cube
{
Material =
{
Texture = new GradientTexture(new Color(1f, 0, 0), new Color(1f, 0.8f, 0f)), Roughness = 0.5f,
Ambient = 0f, SpecularColor = new Color(0.2f,0.2f, 0.2f)
}
};
cube.Material.Texture.SetTransform(Transform.TranslateX(-0.5f).Scale(2f).RotateZ(MathF.PI / 2f));
cube.SetTransform(Transform.RotateY(MathF.PI / 4f).Translate(2.5f, 1f, 3.6f).Scale(1f, 1f, 1f));
var cone = new Cone
{
IsClosed = true,
Minimum = -1f,
Maximum = 0f,
Material =
{
Texture = new SolidColor(new Color(0.4f, 0.8f, 0.1f)), Diffuse = 0.7f, Specular = 0.3f,
Ambient = 0f,
SpecularColor = new Color(0.2f, 0.2f, 0.2f),
Roughness = 0.6f,
Reflective = 0.2f
}
};
cone.SetTransform(Transform.Scale(0.6f, 2f, 0.6f).Translate(1.5f, 2.0f, 0));
var cylinder = new Cylinder
{
Minimum = 0f,
Maximum = 3f,
IsClosed = true,
Material =
{
Reflective = 0.33f, Specular = 0.9f, Diffuse = 0.1f, Ambient = 0.0f, Shininess = 100,
Metallic = 0.76f, SpecularColor = new Color(0.9f, 0.8f, 0.7f), Roughness = 0.02f,
Texture = testMap
}
};
cylinder.SetTransform(Transform.Translate(-3f, 0f, 3.5f));
//var t = new Triangle(new Point(0, 0, 0), new Point(1, 0.5f, 0), new Point(0.5f, 1f, 1f))
//{
// Material = {Texture = new GradientTexture(new Color(0f, 1, 0), new Color(0f, 0f, 1f))}
//};
//t.SetTransform(Transforms.Translate(1f, 2f, 1f));
var ringMaterial = new Material
{
Texture = new SolidColor(new Color(1f, 0.8f, 0f)),
Reflective = 0.4f,
RefractiveIndex = 0.95f,
Roughness = 0.12f,
Metallic = 1f,
SpecularColor = new Color(0.9f, 0.7f, 0f),
//Transparency = 0.95f,
Shininess = 300,
Specular = 0.9f,
Ambient = 0.0f,
Diffuse = 0.3f
};
var co = new Cylinder
{
Minimum = -0.01f,
Maximum = 0.01f,
IsClosed = true
};
co.SetTransform(Transform.Scale(1.5f, 1f, 1.5f));
co.SetMaterial(ringMaterial);
var ci = new Cylinder
{
Minimum = -0.1f,
Maximum = 0.1f,
IsClosed = true
};
ci.SetTransform(Transform.Scale(1.2f, 1f, 1.2f));
ci.SetMaterial(ringMaterial);
var s = new ConstructiveSolid(ConstructiveOp.Difference, co, ci);
s.SetTransform(Transform.RotateZ(-0.2f).RotateX(-0.1f).Translate(-0.5f, 1f, 0.1f));
var gl = new Group();
gl.AddChild(middle);
gl.AddChild(left);
gl.AddChild(leftChrome);
gl.AddChild(cylinder);
gl.AddChild(s);
gl.AddChild(right);
gl.AddChild(rightPlastic);
gl.AddChild(cube);
gl.AddChild(cone);
//gl.AddChild(t);
gl.AddChild(floor);
gl.AddChild(skySphere);
gl.Divide(1);
var w = new World();
w.SetLights(new AreaLight(new Point(-80f, 80, -60), new Vector(100f, 0, 0), 6, new Vector(0, 0f, -10f), 3,
new Color(1.8f, 1.8f, 1.8f), new Sequence(0.7f, 0.3f, 0.9f, 0.1f, 0.5f)));
//w.SetLights(new PointLight(new Point(-3.5f, 4f, -5f), new Color(0.9f, 0.9f, 0.9f)));
w.SetObjects(gl);
return(w);
}
public static void RowTestByDelegate(int spp, string fileSuffix, Func <int, Material> materialFunc)
{
Console.WriteLine("Loading file...");
var filePath = Path.Combine(GetExecutionPath(), "winter_river_1k.ppm");
Console.WriteLine("Parsing file...");
var textureCanvas = PPM.ParseFile(filePath);
var image = new UVImage(textureCanvas);
var map = new TextureMap(image, UVMapping.Spherical);
var skySphere = new Sphere
{
Material = { Texture = map, Ambient = 1.5f, CastsShadows = false, Transparency = 1f }
};
skySphere.SetTransform(Transform.RotateY(3.4f).Scale(1000f));
var g = new Group();
var dx = 2.75f;
var dz = 3.5f;
var y = 1f;
var nX = 10;
var nZ = 1;
int n = 0;
for (var z = 0; z < nZ; z++)
{
for (var x = 0; x < nX; x++)
{
var s = new Sphere();
s.SetTransform(Transform.TranslateY(1f).Scale(1.2f).Translate(x * dx, 0, z * dz));
s.SetMaterial(materialFunc(x + 1));
g.AddChild(s);
n++;
}
}
var lightGray = new Color(0.9f, 0.9f, 0.9f);
var darkGray = new Color(0.1f, 0.9f, 0.1f);
var s1 = new StripeTexture(lightGray, darkGray);
var s2 = new StripeTexture(lightGray, darkGray);
s2.SetTransform(Transform.RotateY(MathF.PI / 2));
var pattern = new BlendedCompositeTexture(s1, s2);
pattern.SetTransform(Transform.Scale(1f / 30f));
var text = new CheckerTexture(new Color(0.3f, 0.7f, 0.3f), new Color(0.13f, 0.13f, 0.13f));
text.SetTransform(Transform.Scale(1f / 16f));
var floor = new Cube
{
Material =
{
Texture = text,
SpecularColor = new Color(0.3f, 0.3f, 0.3f),
Metallic = 0f,
Roughness = 0.45f,
Ambient = 0.15f
}
};
floor.SetTransform(Transform.TranslateY(-1f).Scale(40f));
var min = g.LocalBounds().Min;
var max = g.LocalBounds().Max;
var dir = max - min;
var mid = min + (dir * 0.5f);
var g2 = new Group(g, floor, skySphere);
g2.Divide(1);
var w = new World();
w.SetLights(new PointLight(new Point(mid.X, 500, -500), new Color(1.7f, 1.7f, 1.7f)));
w.SetObjects(g2);
var width = 1200;
var height = 140;
var from = new Point(mid.X, 6f, -32f);
var to = mid;
var canvas = new Canvas(width, height);
var pps = new PerPixelSampler(spp);
var fov = MathF.PI / 4f;
var aspectRatio = (float)width / height;
var camera = new ApertureCamera(fov, aspectRatio, 0.2F, from, to, Vectors.Up);
var cws = new ComposableWorldSampler(2,
16,
GGXNormalDistribution.Instance,
GGXSmithGeometricShadow.Instance,
SchlickFresnelFunction.Instance,
w);
var ctx = new RenderContext(canvas, new RenderPipeline(cws, camera, pps));
Console.WriteLine("Rendering at {0}x{1}...", width, height);
var stopwatch = new Stopwatch();
stopwatch.Start();
ctx.Render();
PPM.ToFile(canvas, Environment.GetFolderPath(Environment.SpecialFolder.MyPictures), "col_row_" + fileSuffix);
stopwatch.Stop();
Console.WriteLine("Done ({0})", stopwatch.Elapsed);
}
public static void ColRowTestRender()
{
Console.WriteLine("Loading file...");
//var filePath = Path.Combine(GetExecutionPath(), "indoor_env.ppm");
var filePath = Path.Combine(GetExecutionPath(), "winter_river_1k.ppm");
Console.WriteLine("Parsing file...");
var textureCanvas = PPM.ParseFile(filePath);
var image = new UVImage(textureCanvas);
var map = new TextureMap(image, UVMapping.Spherical);
var skySphere = new Sphere()
{
Material = { Texture = map, Ambient = 1.5f, CastsShadows = false, Transparency = 1f }
};
skySphere.SetTransform(Transform.RotateY(3.4f).Scale(1000f));
var g = new Group();
var dx = 2.75f;
var dz = 3.5f;
var y = 1f;
var nX = 10;
var nZ = 1;
var delta = 1f / (nX * nZ - 1);
int n = 0;
bool metallic = false;
for (var z = 0; z < nZ; z++)
{
for (var x = 0; x < nX; x++)
{
var s = new Sphere();
s.SetTransform(Transform.TranslateY(1f).Scale(1.2f).Translate(x * dx, 0, z * dz));
// var color = x % 2 == 0 ? new Color(1f, 1f, 1f) : new Color(1f, 0.3f, 0.3f);
var color = new Color(1f, 0.3f, 0.3f);
s.Material.Texture = SolidColor.Create(color);
s.Material.SpecularColor = metallic ? color : new Color(0.2f, 0.2f, 0.2f);
s.Material.Roughness = MathFunction.Saturate(n * delta + 0.01f);
s.Material.Metallic = metallic ? 1f : 0f;
s.Material.Ambient = 0f;
s.Material.Reflective = 0.9f;
g.AddChild(s);
n++;
}
}
var lightGray = new Color(0.9f, 0.9f, 0.9f);
var darkGray = new Color(0.1f, 0.9f, 0.1f);
var s1 = new StripeTexture(lightGray, darkGray);
var s2 = new StripeTexture(lightGray, darkGray);
s2.SetTransform(Transform.RotateY(MathF.PI / 2));
var pattern = new BlendedCompositeTexture(s1, s2);
pattern.SetTransform(Transform.Scale(1f / 30f));
var text = new CheckerTexture(new Color(0.3f, 0.7f, 0.3f), new Color(0.13f, 0.13f, 0.13f));
text.SetTransform(Transform.Scale(1f / 16f));
var floor = new Cube
{
Material =
{
Texture = text,
SpecularColor = new Color(0.3f, 0.3f, 0.3f),
Metallic = 0f,
Roughness = 0.45f,
Ambient = 0.15f
}
};
floor.SetTransform(Transform.TranslateY(-1f).Scale(40f));
var min = g.LocalBounds().Min;
var max = g.LocalBounds().Max;
var dir = max - min;
var mid = min + (dir * 0.5f);
var g2 = new Group(g, floor, skySphere);
//var g2 = new Group(g);
g2.Divide(1);
var w = new World();
w.SetLights(new PointLight(new Point(mid.X, 500, -500), new Color(1.7f, 1.7f, 1.7f)));
w.SetObjects(g2);
//var width = 1200;
//var height = 140;
//var transform = Transforms.View(new Point(mid.X, 6f, -32f), mid, new Vector(0, 1, 0));
//var c = new PinholeCamera(transform, MathF.PI / 4f, width, height);
////var c = new ApertureCamera(MathF.PI / 4f, width, height, 0.04f, new Point(mid.X, 6f, -32f), mid);
//var ws = new ComposableWorldShading(3, GGXNormalDistribution.Instance, GGXSmithGeometricShadow.Instance, SchlickFresnelFunction.Instance, w);
////var ws = new PhongWorldShading(3, w);
//var scene = new Scene(c, ws);
//var aaa = new AdaptiveRenderer(4, 0.00001f, scene);
//var canvas = new Canvas(width, height);
var width = 1200;
var height = 140;
var from = new Point(mid.X, 6f, -32f);
var to = mid;
var canvas = new Canvas(width, height);
var pps = new PerPixelSampler(400);
var fov = MathF.PI / 4f;
var aspectRatio = (float)width / height;
var camera = new ApertureCamera(fov, aspectRatio, 0.2F, from, to, Vectors.Up);
var cws = new ComposableWorldSampler(2,
16,
GGXNormalDistribution.Instance,
GGXSmithGeometricShadow.Instance,
SchlickFresnelFunction.Instance,
w);
var ctx = new RenderContext(canvas, new RenderPipeline(cws, camera, pps));
Console.WriteLine("Rendering at {0}x{1}...", width, height);
var stopwatch = new Stopwatch();
stopwatch.Start();
ctx.Render();
//RenderContext.Render(canvas, aaa);
PPM.ToFile(canvas, Environment.GetFolderPath(Environment.SpecialFolder.MyPictures), "col_row");
stopwatch.Stop();
Console.WriteLine("Done ({0})", stopwatch.Elapsed);
}
