public static void TeapotTest()
{
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 = 2.5f, 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 path = Path.Combine(GetExecutionPath(), "teapot.obj");
Console.WriteLine("Loading file {0}...", path);
var data = ObjFile.ParseFile(path);
Console.WriteLine("File parsed...");
var triangulated = data.Groups[0];
triangulated.SetTransform(Transform.Scale(0.10f).RotateX(-MathF.PI / 2f).RotateY(MathF.PI / 8f));
var glass = new Material
{
Texture = new SolidColor(new Color(0.8f, 1f, 0.9f)),
Reflective = 0.78f,
Roughness = 0.35f,
Metallic = 0.65f,
SpecularColor = new Color(0.7f, 0.9f, 0.8f),
RefractiveIndex = 1.52f,
Transparency = 0.80f,
Ambient = 0.0f,
Diffuse = 0.2f,
Shininess = 200f,
Specular = 0.9f
};
ApplyMaterialToChildren(triangulated, glass);
var checkerboard = new Material
{
Texture = new CheckerTexture(new Color(0.95f, 0.95f, 0.95f), new Color(0.8f, 0.05f, 0.05f)),
Metallic = 0.4f,
SpecularColor = new Color(0.3f, 0.3f, 0.3f),
Reflective = 0.5f,
Roughness = 0.1f,
Ambient = 0.0f,
Diffuse = 0.3f
};
checkerboard.Texture.SetTransform(Transform.Scale(0.125f));
var group = new Group();
var floor = new Cube();
floor.SetMaterial(checkerboard);
floor.SetTransform(Transform.TranslateY(-1).Scale(5f));
group.AddChild(floor);
group.AddChild(triangulated);
group.AddChild(skySphere);
group.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(-30, 30, -30), new Color(1.4f, 1.4f, 1.4f)));
w.SetObjects(group);
//var width = 600;
//var height = 400;
//var transform = Transforms.View(new Point(0, 3.0f, -5f), new Point(0, 1, 0), new Vector(0, 1, 0));
//var c = new PinholeCamera(transform, MathF.PI / 3f, width, height);
////var ws = new ComposableWorldShading(3, GGXNormalDistribution.Instance, SchlickBeckmanGeometricShadow.Instance, SchlickFresnelFunction.Instance, w);
//var ws = new PhongWorldShading(5, w);
//var scene = new Scene(c, ws);
//var aaa = new AdaptiveRenderer(3, 0.05f, scene);
//var canvas = new Canvas(width, height);
var width = 600;
var height = 400;
var from = new Point(0, 2.5f, -2.5f);
var to = new Point(0.25f, 0.5f, 0);
var canvas = new Canvas(width, height);
var pps = new PerPixelSampler(10);
var fov = MathF.PI / 3f;
var aspectRatio = (float)width / height;
var transform = Transform.LookAt(from, to, new Vector(0, 1, 0));
//var camera = new PinholeCamera(transform, fov, aspectRatio);
var camera = new ApertureCamera(fov, aspectRatio, 0.08f, from, to, Vectors.Up);
// var cws = new PhongWorldShading(5, w);
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();
//RenderContext.Render(canvas, aaa);
ctx.Render();
PPM.ToFile(canvas, Environment.GetFolderPath(Environment.SpecialFolder.MyPictures), "teapot");
stopwatch.Stop();
Console.WriteLine("Done ({0})", stopwatch.Elapsed);
}
public static void LowPolyTeapotTest()
{
var path = Path.Combine(GetExecutionPath(), "teapot-low.obj");
var data = ObjFile.ParseFile(path);
var triangulated = data.Groups[0];
triangulated.SetTransform(Transform.Scale(0.1f).RotateX(-MathF.PI / 2f));
var material = new Material
{
Texture = new SolidColor(new Color(0.3f, 0.3f, 1f)),
Reflective = 0.4f,
Ambient = 0.2f,
Diffuse = 0.3f
};
var floor = new Cube();
floor.SetMaterial(material);
var fg = new Group();
fg.AddChild(floor);
fg.SetTransform(Transform.TranslateY(-1).Scale(1f));
var g = new Group(fg, triangulated);
g.Divide(1);
var w = new World();
w.SetLights(new PointLight(new Point(-10, 10, -10), Colors.White));
w.SetObjects(g);
//var width = 300;
//var height = 200;
//var transform = Transforms.View(new Point(0, 1.5f, -5f), new Point(0, 1, 0), new Vector(0, 1, 0));
//var c = new PinholeCamera(transform, MathF.PI / 3f, width, height);
//var scene = new Scene(c, new PhongWorldShading(1, w));
//var canvas = new Canvas(width, height);
var width = 300;
var height = 200;
var from = new Point(0, 1.5f, -5f);
var to = new Point(0, 1, 0);
var canvas = new Canvas(width, height);
var pps = new PerPixelSampler(3);
var fov = MathF.PI / 3f;
var aspectRatio = (float)width / height;
var transform = Transform.LookAt(from, to, new Vector(0, 1, 0));
var camera = new PinholeCamera(transform, fov, aspectRatio);
var cws = new PhongWorldShading(1, 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();
//RenderContext.Render(canvas, scene);
ctx.Render();
PPM.ToFile(canvas, Environment.GetFolderPath(Environment.SpecialFolder.MyPictures), "teapot");
stopwatch.Stop();
Console.WriteLine("Done ({0})", stopwatch.Elapsed);
}