static void Main(string[] args)
{
// //Console.WriteLine("ball \n");
//Sphere ball = new Sphere(new Vector3(0f,0f,0f),10f);`
//// Console.WriteLine("ray1 \n");
// Ray ray1 = new Ray(new Vector3(0, 0, -20), new Vector3(0f, 0f, 1f));
// // Console.WriteLine("ray2 \n");
// Ray ray2 = new Ray(new Vector3(0, 0, -20), new Vector3(0f, 1f, 0f));
// float distance1 = 40.0f;
// int intersection1 = ball.countIntersection(ray1, distance1, out float d1);
// distance1 = d1;
// Console.WriteLine("Intersection between ball and ray1:" + intersection1+"\n");
// Console.WriteLine("Closest intersection point:" +ray1.PointAtDistance(distance1).ToString() + "\n");
// float distance2 = 20.0f;
// int intersection2 = ball.countIntersection(ray2, distance2, out float d2);
// distance2 = d2;
// Console.WriteLine("Intersection between ball and ray2:" + intersection2 + "\n");
//// Console.WriteLine("ray3 \n");
// Ray ray3 = new Ray(new Vector3(0, 10, 10), new Vector3(0, -1, 0));
// float distance3 = 20.0f;
// int intersection3 = ball.countIntersection(ray3, distance3, out float d3);
// distance3 = d3;
// Console.WriteLine("Intersection between ball and ray3:" + intersection3 + "\n");
// Console.WriteLine("Closest intersection point:" + ray3.PointAtDistance(distance3).ToString() + "\n");
// // Console.WriteLine("Plane \n");
// Plane p = new Plane(new Vector3(0, 1, 1), new Vector3(0));
// float distance4 = 30.0f;
// int intersection4 = p.countIntersection(ray2, distance4, out float d4);
// distance4 = d4;
// Console.WriteLine("Intersection between plane and ray2:" + intersection4 + "\n");
// Console.WriteLine("Closest intersection point:" + ray2.PointAtDistance(distance4).ToString() + "\n");
//ZAD2
string path = Directory.GetCurrentDirectory() + "\\1a.bmp";
Bitmap imagex = new Bitmap(path);
Bitmap image = new Bitmap(1024, 1024,
System.Drawing.Imaging.PixelFormat.Format32bppRgb);
Bitmap image1 = new Bitmap(1024, 1024,
System.Drawing.Imaging.PixelFormat.Format32bppRgb);
string fileToRead = Directory.GetCurrentDirectory() + "\\CubeTex2.obj";
ObjReader oRead = new ObjReader();
ObjFile meshes = oRead.ReadFromFile(fileToRead);
Primitive plane1 = new Plane(new Vector3(0, 1.5f, 0), new Vector3(0, -1, 0));
plane1.GetMaterial().diffuseColor = new Color(0, 0, 1);
Primitive plane2 = new Plane(new Vector3(0, 0.0f, 12), new Vector3(0, 0, -1));
plane2.GetMaterial().diffuseColor = new Color(0.8, 0.8, 0.2);
// plane2.GetMaterial().mirror = 0.9;
Primitive plane3 = new Plane(new Vector3(0, -2.5f, 0), new Vector3(0, 1, 0));
plane3.GetMaterial().diffuseColor = new Color(1, 1, 1);
//plane3.GetMaterial().mirror = 0.9;
Primitive plane4 = new Plane(new Vector3(3, 0, 0), new Vector3(-1, 0, 0));
plane4.GetMaterial().diffuseColor = new Color(0.1, 1, .1);
//plane3.GetMaterial().mirror = 0.9;
Primitive plane5 = new Plane(new Vector3(-3, 0, 0), new Vector3(1, 0, 0));
plane5.GetMaterial().diffuseColor = new Color(1, .1, .1);
// plane5.GetMaterial().mirror = 0.9;
Primitive plane6 = new Plane(new Vector3(0, 0, -4), new Vector3(0, 0, 1));
plane6.GetMaterial().diffuseColor = new Color(0.2, 0.2, 0.2);
Primitive ball1 = new Sphere(new Vector3(-1, -0.5f, 1.7f), 0.8f);
Primitive ball2 = new Sphere(new Vector3(1, -0.5f, 1.7f), 0.8f);
ball1.GetMaterial().diffuseColor = new Color(1.0, 1.0, 1.0);
ball1.GetMaterial().specularColor = new Color(1.0, 1.0, 1.0);
ball1.GetMaterial().shininess = 12;
ball1.GetMaterial().mirror = 1;
ball1.GetMaterial().refractive = 0;
ball1.GetMaterial().refractiveIndex = 3.5;
ball2.GetMaterial().diffuseColor = new Color(0, 1, 0);
ball2.GetMaterial().specularColor = new Color(1.0, 1.0, 1.0);
ball2.GetMaterial().shininess = 12;
ball2.GetMaterial().mirror = 1;
ball2.GetMaterial().refractive = 0;
ball2.GetMaterial().refractiveIndex = 1.5;
// Console.WriteLine(meshes.meshes[0].name);
// Console.WriteLine(oRead.ReadFromFile(fileToRead).meshes.Count);
Scene scene = new Scene();
Mesh mesh = meshes.meshes[0];
// mesh.obj.Move(new Vector3(0, -1, 0));
mesh.SetTextureForAllFaces(imagex);
// ball1.GetMaterial().texture = imagex;
scene.AddPrimitiveForRendering(ref ball1);
scene.AddPrimitiveForRendering(ref ball2);
scene.AddMeshForRendering(ref mesh);
scene.AddPrimitiveForRendering(ref plane1);
scene.AddPrimitiveForRendering(ref plane2);
scene.AddPrimitiveForRendering(ref plane3);
scene.AddPrimitiveForRendering(ref plane4);
scene.AddPrimitiveForRendering(ref plane5);
// scene.AddPrimitiveForRendering(ref plane6);
PointLight pl1 = new PointLight(new Vector3(-0.5f, -0.5f, -1), new Color(0.7, 0.7, 0.7));
PointLight pl0 = new PointLight(new Vector3(-1, 0, 2), new Color(0.9, 0.9, 0.5));
PointLight pl12 = new PointLight(new Vector3(-1, 0, 6), new Color(0.9, 0.1, 0.9));
//PointLight pl1 = new PointLight(new Vector3(1, 0, -1), new Color(1, 1, 1));
//PointLight pl0 = new PointLight(new Vector3(-1, -0.5f, -1.5f), new Color(0.7, 0.7, 0.7));
scene.lights.Add(pl1);
scene.lights.Add(pl0);
// scene.lights.Add(pl12);
Ortho ort = new Ortho(new Vector3(-0.2f, -0.8f, -2f), new Vector3(0.1f, 0.1f, 1));
ort.adaptiveDepth = 2;
ort.scene = scene;
Console.WriteLine("Zapisywanie do pliku obrazu z kamery ort");
ort.RenderTo(ref image);
image.Save("D:\\Raytracer\\" + "ortho.jpg");
// Perspective per = new Perspective(new Vector3(0.0f, 0.0f, 1.0f), new Vector3(0.0f, 0.0f, -3));
Perspective per = new Perspective(new Vector3(-0.2f, -0.8f, -2f), new Vector3(0.1f, 0.1f, 1));
per.Position = new Vector3(0, 0, -3);
per.Target = new Vector3(0, 0, 1);
per.scene = scene;
per.adaptiveDepth = 2;
per.fov = 75;
Console.WriteLine("Zapisywanie do pliku obrazu z kamery per");
per.RenderTo(ref image1);
image1.Save("D:\\Raytracer\\" + "perpektywa.jpg");
Console.WriteLine((pl1.count + pl0.count));
Console.WriteLine("Koniec");
//ort.RenderTo(ref image, spheres);
//per.RenderTo(image1, spheres);
}
void Render(int resolution)
{
Bitmap bmp = new Bitmap(resolution, resolution);
for (int i = 0; i < resolution; i++)
{
for (int j = 0; j < resolution; j++)
{
bmp.SetPixel(i, j, Color.LightYellow);
}
}
// let's say... kamera w 0,0,0, patrzy na 0,0,1
Sphere s1 = new Sphere() // VS hinted me this syntax... I didn't know it.
{
center = new Vector3(0, 0, 1),
radius = 0.2f,
color = new Vector3(1, 0, 0)
};
Sphere s2 = new Sphere() // VS hinted me this syntax... I didn't know it.
{
center = new Vector3(0.15f, 0.2f, 1.1f),
radius = 0.15f,
color = new Vector3(1, 0f, 1)
};
List <Sphere> spheres = new List <Sphere>();
spheres.Add(s1);
spheres.Add(s2);
PointLight pointLight = new PointLight(new Vector3(5, 40, 10), new Vector3(1, 1, 1));
Camera cam = new Camera(new Vector3(0, 0, 0), new Vector3(0, 0, 1), new Vector3(0, 1, 0), resolution, resolution);
Vector3 oneoneone = new Vector3(1, 1, 1);
for (int i = -cam.xRes; i < cam.xRes; i++)
{
for (int j = -cam.yRes; j < cam.yRes; j++)
{
Vector3 targetPoint = cam.GetPointFromCenter(
2f / (float)(cam.xRes) * (float)i,
2f / (float)(cam.yRes) * (float)j);
Ray r = new Ray(cam.position, targetPoint - cam.position);
foreach (Sphere sphere in spheres)
{
Vector3 intersection = sphere.Intersects(r);
if (intersection != null)
{
Vector3 normal = s1.CalculateNormal(intersection);
Vector3 resultColor = oneoneone;
Vector3 intersection_minus_cam_pos = intersection - cam.position;
float ambientCoeff = 0.2f; float diffuseCoeff = 0.4f; float speculrCoeff = 0.4f;
resultColor *= ambientCoeff; // initialized with 1,1,1
Vector3 intersectionToPointLight = (intersection - pointLight.position);
resultColor += sphere.color * diffuseCoeff *
(normal.Dot(intersectionToPointLight.Normalized())); // diffuse
// specular:
Vector3 reflectedVector = intersectionToPointLight - 2 * (intersectionToPointLight.Dot(normal)) * (normal);
reflectedVector = reflectedVector.Normalized();
resultColor += oneoneone * speculrCoeff *
(float)Math.Pow(
reflectedVector.Dot(intersection_minus_cam_pos.Normalized())
, 40f);
if (resultColor.x < 0)
{
resultColor.x = 0;
}
if (resultColor.y < 0)
{
resultColor.y = 0;
}
if (resultColor.z < 0)
{
resultColor.z = 0;
}
bmp.SetPixel(i + cam.xRes / 2, j + cam.yRes / 2,
Color.FromArgb(
(int)(resultColor.x * 255.0f),
(int)(resultColor.y * 255.0f),
(int)(resultColor.z * 255.0f)
));
}
}
}
}
pictureBox1.Image = resolution == 1600?DownSampled(bmp):bmp;
}
