public static void RowTransparentRoughness(int spp)
{
Material CreateMaterial()
{
var material = new Material();
var color = new Color(1f, 1f, 1f);
material.Texture = SolidColor.Create(color);
material.SpecularColor = new Color(0.8f, 0.8f, 0.8f);
material.Transparency = 0.92f;
material.Metallic = 0.65f;
material.RefractiveIndex = 1.51f;
material.Ambient = 0f;
return(material);
}
const float delta = 1f / 9;
RowTestByDelegate(spp, "transparent_roughness", i =>
{
var metal = CreateMaterial();
metal.Roughness = MathFunction.Saturate((i - 1) * delta);
return(metal);
});
}
public void CreateMethod()
{
var color = new Color(0, 1, 0);
var sc1 = new SolidColor(color);
var sc2 = SolidColor.Create(0, 1, 0);
sc1.Color.Should().Be(sc2.Color);
}
public static void RowPlastic(int spp)
{
Material CreateMaterial()
{
var material = new Material();
var color = new Color(1f, 0.3f, 0.3f);
material.Texture = SolidColor.Create(color);
material.SpecularColor = new Color(0.2f, 0.2f, 0.2f);
material.Metallic = 0f;
material.Ambient = 0f;
return(material);
}
const float delta = 1f / 9;
RowTestByDelegate(spp, "plastic", i =>
{
var metal = CreateMaterial();
metal.Roughness = MathFunction.Saturate((i - 1) * delta + 0.01f);
return(metal);
});
}
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);
}
public static void InsideSphere()
{
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 = 1.2f, CastsShadows = false, Transparency = 1f }
};
skySphere.SetTransform(Transform.RotateY(2.1f).Scale(1000f));
var s = new Sphere
{
Material =
{
Roughness = 0.1f,
Texture = SolidColor.Create(new Color(1f, 0.0f, 0.0f)),
SpecularColor = new Color(0.2f, 0.2f, 0.2f),
Metallic = 0f,
Ambient = 0f
}
};
var g = new Group();
g.AddChild(skySphere);
g.AddChild(s);
g.Divide(1);
var w = new World();
w.SetLights(new PointLight(new Point(100, 100, -100), new Color(1f, 1f, 1f)));
w.SetObjects(g);
var width = 400;
var height = 400;
var from = new Point(0, -0.8f, -4f);
var to = new Point(0, 0, 0);
var canvas = new Canvas(width, height);
var pps = new PerPixelSampler(1000);
var fov = 0.8f;
var aspectRatio = (float)width / height;
var camera = new ApertureCamera(fov, aspectRatio, 0.05F, from, to, Vectors.Up);
var cws = new ComposableWorldSampler(1,
2,
GGXNormalDistribution.Instance,
SchlickBeckmanGeometricShadow.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), "sky_sphere");
stopwatch.Stop();
Console.WriteLine("Done ({0})", stopwatch.Elapsed);
}