public static void MappingTestRender()
{
Cube Cube(float rotY, float rotX, float tx, float ty)
{
var cube1 = new Cube
{
Material = { Texture = CreateTestCubeMap(), Roughness = 1f, SpecularColor = new Color(0.3f, 0.3f, 0.3f) }
};
cube1.SetTransform(Transform.RotateY(rotY).RotateX(rotX).Translate(tx, ty, 0));
return(cube1);
}
var g = new Group();
g.AddChild(Cube(0.7854f, 0.7854f, -6, 2));
g.AddChild(Cube(2.3562f, 0.7854f, -2, 2));
g.AddChild(Cube(3.927f, 0.7854f, 2, 2));
g.AddChild(Cube(5.4978f, 0.7854f, 6, 2));
g.AddChild(Cube(0.7854f, -0.7854f, -6, -2));
g.AddChild(Cube(2.3562f, -0.7854f, -2, -2));
g.AddChild(Cube(3.927f, -0.7854f, 2, -2));
g.AddChild(Cube(5.4978f, -0.7854f, 6, -2));
g.Divide(1);
var w = new World();
w.SetLights(new PointLight(new Point(0, 2, -100), Colors.White));
w.SetObjects(g);
var width = 800;
var height = 400;
var from = new Point(0, 0, -20f);
var to = new Point(0, 0, 0);
var canvas = new Canvas(width, height);
var pps = new PerPixelSampler(16);
var fov = 0.8f;
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();
ctx.Render();
PPM.ToFile(canvas, Environment.GetFolderPath(Environment.SpecialFolder.MyPictures), "mapping");
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);
}
public static void SphereMappingTestRender()
{
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);
Sphere Sphere(float rotY, float rotX, float tx, float ty)
{
var s = new Sphere()
{
Material = { Texture = map }
};
s.SetTransform(Transform.RotateY(rotY).RotateX(rotX).Translate(tx, ty, 0));
return(s);
}
var g = new Group();
g.AddChild(Sphere(0.7854f, 0.7854f, -6, 2));
g.AddChild(Sphere(2.3562f, 0.7854f, -2, 2));
g.AddChild(Sphere(3.927f, 0.7854f, 2, 2));
g.AddChild(Sphere(5.4978f, 0.7854f, 6, 2));
g.AddChild(Sphere(0.7854f, -0.7854f, -6, -2));
g.AddChild(Sphere(2.3562f, -0.7854f, -2, -2));
g.AddChild(Sphere(3.927f, -0.7854f, 2, -2));
g.AddChild(Sphere(5.4978f, -0.7854f, 6, -2));
g.Divide(1);
var w = new World();
w.SetLights(new PointLight(new Point(0, 2, -100), Colors.White));
w.SetObjects(g);
var width = 800;
var height = 400;
var from = new Point(0, 0, -20f);
var to = new Point(0, 0, 0);
var canvas = new Canvas(width, height);
var pps = new PerPixelSampler(16);
var fov = 0.8f;
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();
ctx.Render();
PPM.ToFile(canvas, Environment.GetFolderPath(Environment.SpecialFolder.MyPictures), "mapping_spheres");
stopwatch.Stop();
Console.WriteLine("Done ({0})", stopwatch.Elapsed);
}