public void ShouldAlignColorsAtCorners()
{
var orange = new Color(1f, 0.5f, 0f);
var left = new UVAlignTestPattern(Colors.Yellow, Colors.Cyan, Colors.Red, Colors.Blue, orange);
var front = new UVAlignTestPattern(Colors.Cyan, Colors.Red, Colors.Yellow, orange, Colors.Green);
var right = new UVAlignTestPattern(Colors.Red, Colors.Yellow, Colors.Magenta, Colors.Green, Colors.White);
var back = new UVAlignTestPattern(Colors.Green, Colors.Magenta, Colors.Cyan, Colors.White, Colors.Blue);
var top = new UVAlignTestPattern(orange, Colors.Cyan, Colors.Magenta, Colors.Red, Colors.Yellow);
var bottom = new UVAlignTestPattern(Colors.Magenta, orange, Colors.Green, Colors.Blue, Colors.White);
var map = new CubeMap(left, front, right, back, top, bottom);
var corner = 0.9f;
// Left
map.LocalColorAt(new Point(-1, 0, 0)).Should().Be(Colors.Yellow);
map.LocalColorAt(new Point(-1, corner, -corner)).Should().Be(Colors.Cyan);
map.LocalColorAt(new Point(-1, corner, corner)).Should().Be(Colors.Red);
map.LocalColorAt(new Point(-1, -corner, -corner)).Should().Be(Colors.Blue);
map.LocalColorAt(new Point(-1, -corner, corner)).Should().Be(orange);
// Front
map.LocalColorAt(new Point(0, 0, 1)).Should().Be(Colors.Cyan);
map.LocalColorAt(new Point(corner, -corner, 1)).Should().Be(Colors.Green);
map.LocalColorAt(new Point(corner, corner, 1)).Should().Be(Colors.Yellow);
map.LocalColorAt(new Point(-corner, -corner, 1)).Should().Be(orange);
map.LocalColorAt(new Point(-corner, corner, 1)).Should().Be(Colors.Red);
// Right
map.LocalColorAt(new Point(1, 0, 0)).Should().Be(Colors.Red);
map.LocalColorAt(new Point(1, corner, -corner)).Should().Be(Colors.Magenta);
map.LocalColorAt(new Point(1, corner, corner)).Should().Be(Colors.Yellow);
map.LocalColorAt(new Point(1, -corner, -corner)).Should().Be(Colors.White);
map.LocalColorAt(new Point(1, -corner, corner)).Should().Be(Colors.Green);
// Back
map.LocalColorAt(new Point(0, 0, -1)).Should().Be(Colors.Green);
map.LocalColorAt(new Point(corner, -corner, -1)).Should().Be(Colors.White);
map.LocalColorAt(new Point(corner, corner, -1)).Should().Be(Colors.Magenta);
map.LocalColorAt(new Point(-corner, -corner, -1)).Should().Be(Colors.Blue);
map.LocalColorAt(new Point(-corner, corner, -1)).Should().Be(Colors.Cyan);
// Top
map.LocalColorAt(new Point(0, 1, 0)).Should().Be(orange);
map.LocalColorAt(new Point(corner, 1, -corner)).Should().Be(Colors.Magenta);
map.LocalColorAt(new Point(corner, 1, corner)).Should().Be(Colors.Yellow);
map.LocalColorAt(new Point(-corner, 1, -corner)).Should().Be(Colors.Cyan);
map.LocalColorAt(new Point(-corner, 1, corner)).Should().Be(Colors.Red);
// Bottom
map.LocalColorAt(new Point(0, -1, 0)).Should().Be(Colors.Magenta);
map.LocalColorAt(new Point(corner, -1, -corner)).Should().Be(Colors.White);
map.LocalColorAt(new Point(corner, -1, corner)).Should().Be(Colors.Green);
map.LocalColorAt(new Point(-corner, -1, -corner)).Should().Be(Colors.Blue);
map.LocalColorAt(new Point(-corner, -1, corner)).Should().Be(orange);
}
private static CubeMap CreateTestCubeMap()
{
var orange = new Color(1f, 0.5f, 0f);
var left = new UVAlignTestPattern(Colors.Yellow, Colors.Cyan, Colors.Red, Colors.Blue, orange);
var front = new UVAlignTestPattern(Colors.Cyan, Colors.Red, Colors.Yellow, orange, Colors.Green);
var right = new UVAlignTestPattern(Colors.Red, Colors.Yellow, Colors.Magenta, Colors.Green, Colors.White);
var back = new UVAlignTestPattern(Colors.Green, Colors.Magenta, Colors.Cyan, Colors.White, Colors.Blue);
var top = new UVAlignTestPattern(orange, Colors.Cyan, Colors.Magenta, Colors.Red, Colors.Yellow);
var bottom = new UVAlignTestPattern(Colors.Magenta, orange, Colors.Green, Colors.Blue, Colors.White);
return(new CubeMap(left, front, right, back, top, bottom));
}
public void DifferentColorInCorners()
{
var main = Colors.White;
var ul = Colors.Red;
var ur = Colors.Yellow;
var bl = Colors.Green;
var br = Colors.Blue;
var c = new UVAlignTestPattern(main, ul, ur, bl, br);
c.ColorAt(new UVPoint(0.5f, 0.5f)).Should().Be(main);
c.ColorAt(new UVPoint(0.1f, 0.9f)).Should().Be(ul);
c.ColorAt(new UVPoint(0.9f, 0.9f)).Should().Be(ur);
c.ColorAt(new UVPoint(0.1f, 0.1f)).Should().Be(bl);
c.ColorAt(new UVPoint(0.9f, 0.1f)).Should().Be(br);
}
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);
}
