public void CheckersShouldRepeatInZ()
{
var pattern = new CheckerboardPattern(ColourFactory.White, ColourFactory.Black);
Assert.AreEqual(ColourFactory.White, pattern.PatternAt(new Point(0, 0, 0)));
Assert.AreEqual(ColourFactory.White, pattern.PatternAt(new Point(0, 0, 0.99)));
Assert.AreEqual(ColourFactory.Black, pattern.PatternAt(new Point(0, 0, 1.01)));
}
public void RenderScene()
{
var world = new World();
world.LightSource = new Light(new Point(-10, 10, -10), new Colour(1, 1, 1));
var floorPlane = new Plane();
var floorPattern = new CheckerboardPattern(new Colour(0.9, 0.3, 0.3), new Colour(0, 0.8, 0.6));
//var floorPattern2 = new StripePattern(new Colour(0.9, 0.3, 0.3), new Colour(0, 0.8, 0.6));
floorPlane.Material.Pattern = floorPattern;
floorPlane.Material.Pattern.Transform = Matrix.Translation(0, 0.01, 0);
world.SceneObjects.Add(floorPlane);
var middleSphere = new Sphere
{
Transform = Matrix.Translation(-0.5, 1, 0.5),
Material = new Material
{
Colour = new Colour(0.1, 1, 0.5),
Diffuse = 0.7,
Specular = 0.2,
Pattern = new CheckerboardPattern(new Colour(0.5, 1, 0.5), new Colour(0.5, 0.8, 0.6))
}
};
middleSphere.Material.Pattern.Transform = Matrix.Scaling(0.1, 0.1, 0.1);
world.SceneObjects.Add(middleSphere);
var rightSphere = new Sphere
{
Transform = Matrix.Translation(1.5, 0.5, -0.5) * Matrix.Scaling(0.5, 0.5, 0.5),
Material = new Material
{
Colour = new Colour(0.5, 1, 0.1),
Diffuse = 0.7,
Specular = 0.2,
Pattern = new RingPattern(new Colour(0, 1, 0), new Colour(0, 0, 1))
}
};
world.SceneObjects.Add(rightSphere);
var leftSphere = new Sphere
{
Transform = Matrix.Translation(-1.5, 0.33, -0.75) * Matrix.Scaling(0.33, 0.33, 0.33),
Material = new Material
{
Colour = new Colour(1, 0.8, 0.1),
Diffuse = 0.7,
Specular = 0.2,
Pattern = new GradientPattern(new Colour(1, 0.5, 0), new Colour(0, 0.5, 1))
}
};
world.SceneObjects.Add(leftSphere);
var rightSphere2 = new Sphere
{
Transform = Matrix.Translation(1.5, 2.5, -0.5) * Matrix.Scaling(0.4, 0.2, 0.8),
Material = new Material
{
Colour = new Colour(0.6, 0.2, 0.7),
Diffuse = 0.7,
Specular = 0.2
}
};
world.SceneObjects.Add(rightSphere2);
var camera = new Camera(500, 400, Math.PI / 3);
camera.Transform = Matrix.ViewTransform(new Point(0, 1.5, -6), new Point(0, 1, 0), new Vector(0.3, 1, 0));
var canvas = camera.Render(world);
var output = canvas.ToPpm();
File.WriteAllText("PatternExperiment.ppm", output);
}
