public static World GetManyBallWorld(int width, int height)
{
var world = GetDefaultWorld(width, height);
// world.objects = new List<Shape3D>();
PhongIlluminationModel illuminationModel = new PhongIlluminationModel(world);
var r = new Random();
var center = Vector.Build.DenseOfArray(new float[] { 0.0f, -0.3f, 3.5f });
var radius = 0.3f;
var mir = Mirror.GetMirror(illuminationModel);
var glass = TransmissiveMaterial.GetTransmissiveMaterial(illuminationModel);
var blue = PhongMaterial.Blue(illuminationModel);
for (int i = 0; i < 100; i++)
{
var rVec = Vector.Build.DenseOfArray(new float[] {
(float)(r.NextDouble() * 2) - 1,
(float)(r.NextDouble() * 2) - 1,
(float)(r.NextDouble() * 2) - 1
});
rVec = rVec.Normalize();
var rC = center + (rVec * radius);
// PhongMaterial mat = mir;
PhongMaterial mat = (i % 2 == 0) ? mir : blue;//(PhongMaterial)glass;
Sphere ball = new Sphere(rC, (float)(r.NextDouble() * 0.01f), mat);
world.AddObject(ball);
}
return(world);
}
public static Mirror GetMirror(PhongIlluminationModel model)
{
Mirror m = new Mirror(model);
return(m);
}
public static World GetDefaultWorld(int width, int height)
{
World world = new World(width, height, Rgba32.Black);
// initialize light source
Vector lightPos = Vector.Build.DenseOfArray(new float[] { 0.0f, -0.4f, -5.0f });
LightSource l1 = new LightSource(lightPos, Rgba32.White, 10.0f);
world.AddLightSource(l1);
// initialize camera
Vector cameraPos = Vector.Build.DenseOfArray(new float[] { -0.0f, -0.3f, -5.0f });
Vector cameraUp = Vector.Build.DenseOfArray(new float[] { 0.0f, -1.0f, 0.0f });
Vector cameraLookAt = Vector.Build.DenseOfArray(new float[] { 0.0f, 0.0f, 0.0f });
world.cameras.Add(new Camera(cameraPos, cameraLookAt, cameraUp, world));
PhongIlluminationModel illuminationModel = new PhongIlluminationModel(world);
// sphere 0
Vector s0Center = Vector.Build.DenseOfArray(new float[] { -0.0f, -0.05f, -2.75f });
float s0Radius = 0.15f;
Rgba32[] s0colors = new Rgba32[] { Rgba32.Blue, Rgba32.White };
float[] s0coefficients = new float[] { 0.0f, 0.0f };
PhongMaterial s0PhongMaterial = new PhongMaterial(illuminationModel, s0colors, s0coefficients, 7.0f);
s0PhongMaterial.kTransmission = 0.95f;
Sphere sphere0 = new Sphere(s0Center, s0Radius, s0PhongMaterial);
// sphere 1
Vector s1Center = Vector.Build.DenseOfArray(new float[] { -0.0f, -0.1f, -1.75f });
float s1Radius = 0.15f;
Rgba32[] s1colors = new Rgba32[] { Rgba32.Silver, Rgba32.White };
float[] s1coefficients = new float[] { 0.1f, 0.1f };
PhongMaterial s1PhongMaterial = new PhongMaterial(illuminationModel, s1colors, s1coefficients, 10.0f);
CheckerboardMaterial s1checkerMaterial = new CheckerboardMaterial(s1PhongMaterial, s0PhongMaterial, 0.1f);
s1PhongMaterial.kReflection = 0.9f;
Sphere sphere1 = new Sphere(s1Center, s1Radius, Mirror.GetMirror(illuminationModel));
// plane0 (floor)
Vector p0Center = Vector.Build.DenseOfArray(new float[] { 0.0f, 0.2f, 0.0f });
Vector p0Normal = Vector.Build.DenseOfArray(new float[] { 0.0f, -1.0f, 0.0f });
Rgba32[] p01colors = new Rgba32[] { Rgba32.Red, Rgba32.White };
float[] p01coefficients = new float[] { 0.9f, 0.1f };
Rgba32[] p02colors = new Rgba32[] { Rgba32.Yellow, Rgba32.White };
float[] p02coefficients = new float[] { 0.9f, 0.1f };
PhongMaterial pm0 = new PhongMaterial(illuminationModel, p01colors, p01coefficients, 10.0f);
PhongMaterial pm1 = new PhongMaterial(illuminationModel, p02colors, p02coefficients, 10.0f);
CheckerboardMaterial p0checkerMaterial = new CheckerboardMaterial(pm0, pm1, 0.12f);
p0checkerMaterial.kReflection = 0.0f;
Plane plane0 = new Plane(p0Center, p0Normal, 3.0f, 8.0f, p0checkerMaterial);
var max_y_c = Vector.Build.DenseOfArray(new float[] { 0.0f, -0.8f, 5.0f });
var max_y_n = Vector.Build.DenseOfArray(new float[] { 0.0f, 0.0f, -1.0f });
Plane max_y = new Plane(max_y_c, max_y_n, 3.0f, 3.0f, Mirror.GetMirror(illuminationModel));
world.AddObject(sphere0);
world.AddObject(sphere1);
world.AddObject(plane0);
// world.AddObject(max_y);
return(world);
}