public void UsingCubeMapping_ShouldLayoutTheAlignCheckPattern(double u, double v, Color expected)
{
var main = new Color(1, 1, 1);
var ul = new Color(1, 0, 0);
var ur = new Color(1, 1, 0);
var bl = new Color(0, 1, 0);
var br = new Color(0, 1, 1);
var pattern = new UvAlignCheck(main, ul, ur, bl, br);
var c = pattern.UvPatternAt(u, v);
Assert.Equal(expected, c);
}
public void FindingTheColorsOnMappedCube_ShouldWork(Point point, Color expected)
{
var red = new Color(1, 0, 0);
var yellow = new Color(1, 1, 0);
var brown = new Color(1, 0.5, 0);
var green = new Color(0, 1, 0);
var cyan = new Color(0, 1, 1);
var blue = new Color(0, 0, 1);
var purple = new Color(1, 0, 1);
var white = new Color(1, 1, 1);
var left = new UvAlignCheck(yellow, cyan, red, blue, brown);
var front = new UvAlignCheck(cyan, red, yellow, brown, green);
var right = new UvAlignCheck(red, yellow, purple, green, white);
var back = new UvAlignCheck(green, purple, cyan, white, blue);
var up = new UvAlignCheck(brown, cyan, purple, red, yellow);
var down = new UvAlignCheck(purple, brown, green, blue, white);
var pattern = new CubeMap(left, front, right, back, up, down);
Assert.Equal(expected, pattern.PatternAt(point));
}
public (World, Camera) Setup(int width, int height, double fov)
{
// ======================================================
// the camera
// ======================================================
var camera = new Camera(width, height, fov)
{
Transform = Transformation.ViewTransform(
new Point(0, 0, -20), // view from
new Point(0, 0, 0), // view to
new Vector(0, 1, 0)), // vector up
ProgressMonitor = new ParallelConsoleProgressMonitor(height),
};
// ======================================================
// light sources
// ======================================================
var light = new PointLight(
new Point(0, 100, -100),
new Color(0.25, 0.25, 0.25)
);
var light2 = new PointLight(
new Point(0, -100, -100),
new Color(0.25, 0.25, 0.25)
);
var light3 = new PointLight(
new Point(-100, 0, -100),
new Color(0.25, 0.25, 0.25)
);
var light4 = new PointLight(
new Point(100, 0, -100),
new Color(0.25, 0.25, 0.25)
);
var yellow = new Color(1, 1, 0);
var cyan = new Color(0, 1, 1);
var red = new Color(1, 0, 0);
var blue = new Color(0, 0, 1);
var brown = new Color(1, 0.5, 0);
var green = new Color(0, 1, 0);
var purple = new Color(1, 0, 1);
var white = new Color(1, 1, 1);
var left = new UvAlignCheck(yellow, cyan, red, blue, brown);
var front = new UvAlignCheck(cyan, red, yellow, brown, green);
var right = new UvAlignCheck(red, yellow, purple, green, white);
var back = new UvAlignCheck(green, purple, cyan, white, blue);
var up = new UvAlignCheck(brown, cyan, purple, red, yellow);
var down = new UvAlignCheck(purple, brown, green, blue, white);
var mapCubeMaterial = new Material()
{
Pattern = new CubeMap(left, front, right, back, up, down),
Ambient = 0.2,
Specular = 0.0,
Diffuse = 0.8,
};
var mappedCube1 = new Cube()
{
Transform = Transformation.Translation(-6, 2, 0) *
Transformation.Rotation_x(0.7854) *
Transformation.Rotation_y(0.7854),
Material = mapCubeMaterial,
};
var mappedCube2 = new Cube()
{
Transform = Transformation.Translation(-2, 2, 0) *
Transformation.Rotation_x(0.7854) *
Transformation.Rotation_y(2.3562),
Material = mapCubeMaterial,
};
var mappedCube3 = new Cube()
{
Transform = Transformation.Translation(2, 2, 0) *
Transformation.Rotation_x(0.7854) *
Transformation.Rotation_y(3.927),
Material = mapCubeMaterial,
};
var mappedCube4 = new Cube()
{
Transform = Transformation.Translation(6, 2, 0) *
Transformation.Rotation_x(0.7854) *
Transformation.Rotation_y(5.4978),
Material = mapCubeMaterial,
};
var mappedCube5 = new Cube()
{
Transform = Transformation.Translation(-6, -2, 0) *
Transformation.Rotation_x(-0.7854) *
Transformation.Rotation_y(0.7854),
Material = mapCubeMaterial,
};
var mappedCube6 = new Cube()
{
Transform = Transformation.Translation(-2, -2, 0) *
Transformation.Rotation_x(-0.7854) *
Transformation.Rotation_y(2.3562),
Material = mapCubeMaterial,
};
var mappedCube7 = new Cube()
{
Transform = Transformation.Translation(2, -2, 0) *
Transformation.Rotation_x(-0.7854) *
Transformation.Rotation_y(3.927),
Material = mapCubeMaterial,
};
var mappedCube8 = new Cube()
{
Transform = Transformation.Translation(6, -2, 0) *
Transformation.Rotation_x(-0.7854) *
Transformation.Rotation_y(5.4978),
Material = mapCubeMaterial,
};
World world = new World();
world.Shapes = new List <Shape> {
mappedCube1, mappedCube2, mappedCube3, mappedCube4, mappedCube5, mappedCube6, mappedCube7, mappedCube8
};
world.Lights = new List <ILight> {
light, light2, light3, light4
};
return(world, camera);
}
