// initialize
public void Init()
{
// Set recursion level
Recursion = 5;
// Add light(s)
Light[] lights = new Light[2];
lights[0] = new Light(new VPoint(1, 2, 0), 1, 1, 1);
lights[1] = new Light(new VPoint(2, 10, 5), 2, 2, 2);
// Add primitive(s)
Primitive[] primitives = new Primitive[5];
primitives[0] = new Plane(new VPoint(0, 1, 0), -2, new Material(0.5f, 1));
primitives[1] = new Sphere(new VPoint(0, 0, 5), 1.5f, new Material(new VPoint(255, 50, 100), 0.5f));
primitives[2] = new Sphere(new VPoint(-3, 0, 5), 1.5f, new Material(new VPoint(0, 255, 10), 0.5f));
primitives[3] = new Sphere(new VPoint(3, 0, 5), 1.5f, new Material(new VPoint(255, 255, 255), 0.75f));
// The sphere in which the whole scene is situated
primitives[4] = new Sphere(new VPoint(0, -5, 1), 10f, new Material(0f, 2));
// Create scene
Scene scene = new Scene(lights, primitives);
// Create raytracer
Tracer = new Raytracer(scene, Screen);
// Set debugging
Debugging = true;
// Calculating the sinus every time you need is, is slow, as such we calculate the values once and use an array
SinTable = new float[360];
for (int i = 0; i < 360; i++)
{
SinTable[i] = (float)Math.Sin(i * Math.PI / 180);
}
//load bitmap4space
string s = Path.Combine(Environment.CurrentDirectory, @"..\..\", "Space.jpg");
Space = new Bitmap(s);
}
// plot a single pixel
public void Plot(int x, int y, Vector3 c)
{
if ((x >= 0) && (y >= 0) && (x < width) && (y < height))
{
pixels[x + y * width] = Raytracer.VecToInt(c);
}
}
public void Raytracing()
{
// prepare for generic OpenGL rendering
GL.Enable(EnableCap.DepthTest);
GL.Disable(EnableCap.Texture2D);
GL.Clear(ClearBufferMask.DepthBufferBit);
float FOV = 400;
// creating a scene
Scene Scene1 = new Scene();
// Adding axis in the Debug view
Scene1.toggleaxis(true);
if (Scene1.Axis == true)
{
GL.Color4(1f, 1f, 1f, 1f);
GL.Begin(PrimitiveType.Lines);
GL.Vertex2(0.5f, 1); GL.Vertex2(0.5f, -1f);
GL.Vertex2(0, 0); GL.Vertex2(1, 0);
GL.End();
}
// Adding main objects to the scene
Sphere Sphere1 = new Sphere(new Vector3(200, 0, 200), 100f, new Vector3(255,0,0), aspectratio);
Sphere Sphere2 = new Sphere(new Vector3(-200, 0, 200), 100f, new Vector3(0, 0, 255), aspectratio);
Sphere Sphere3 = new Sphere(new Vector3(-100, 0, 200), 100f, new Vector3(0, 255,0), aspectratio);
Camera mainCamera = new Camera(new Vector3(0,0,-400), new Vector3(0,0,1), FOV);
Light LightSource1 = new Light(new Vector3(0, 200, 200), 255, 255, 0);
// adding light source(s) to the list
Scene1.LightList.Add(LightSource1);
//adding primitives to te primitive list
Scene1.PrimitivesList.Add(Sphere1);
Scene1.PrimitivesList.Add(Sphere3);
Scene1.PrimitivesList.Add(Sphere2);
// draw every primitive in the list
foreach (Sphere item in Scene1.PrimitivesList)
{
Scene1.DrawCircle(DebugConverter(item.Position), item.Color, item.Radius, screen);
}
// start raytracing
Raytracer raytracer = new Raytracer();
raytracer.Render(mainCamera, Scene1, screen);
for (int renderx = 0; renderx < 512; renderx++)
{
for (int rendery = 0; rendery < 512; rendery++)
{
int pixel = renderx + rendery * 512;
screen.Plot(renderx, rendery, (int)raytracer.Image[pixel]);
}
}
Raytr = raytracer;
}
void Render (Raytracer raytracer, Template.Surface screen)
{
for (int renderx = 0; renderx < 512; renderx++)
{
for (int rendery = 0; rendery < 512; rendery++)
{
int pixel = renderx + rendery * 512;
screen.pixels[pixel] = (int)raytracer.Image[pixel];
}
}
}
protected override void OnLoad(EventArgs e)
{
// called upon app init
GL.ClearColor(Color.Black);
GL.Enable(EnableCap.Texture2D);
GL.Disable(EnableCap.DepthTest);
GL.Hint(HintTarget.PerspectiveCorrectionHint, HintMode.Nicest);
ClientSize = new Size(1024, 512);
rayTracer = new Raytracer();
rayTracer.screen = new Surface(Width, Height);
rayTracer.Init();
Sprite.target = rayTracer.screen;
screenID = rayTracer.screen.GenTexture();
}
//Constructor of the application.
static public void CreateApplication(Camera cam, Surface scr, Scene sce, Rectangle bound)
{
raytracer = new Raytracer();
camera = cam;
screen = scr;
scene = sce;
bounds = bound;
//Move the cursor to the middle of the screen and instantiate the variables to measure mouse movement.
Cursor.Position = new Point(bounds.Left + bounds.Width / 2, bounds.Top + bounds.Height / 2);
currentCursor = Cursor.Position;
previousCursor = Cursor.Position;
mouseDelta = Vector2.Zero;
}
// initialize
public void Init()
{
scene = new Scene();
displaySurf = new Surface(0, 0);
Light light2 = new Light(new Vector3(-3, -10, 0), new Vector3(1, 1f, 1f));
scene.lights.Add(light2);
Light light = new Light(new Vector3(-15f, -5, 0), new Vector3(1f, 1, 1));
scene.lights.Add(light);
Plane plane1 = new Plane(1, new Vector3(0, 1, 0), new Vector3(1, 1, 1), false);
scene.primitives.Add(plane1);
Plane plane2 = new Plane(5, new Vector3(-1, 0, 0), new Vector3(1, 1, 1), false);
scene.primitives.Add(plane2);
Plane plane3 = new Plane(5, new Vector3(1, 0, 0), new Vector3(1, 1, 1), false);
scene.primitives.Add(plane3);
Plane plane4 = new Plane(10, new Vector3(0, 0, 1), new Vector3(1, 1, 1), false);
scene.primitives.Add(plane4);
Plane plane5 = new Plane(10, new Vector3(0, 0, -1), new Vector3(1, 1, 1), false);
scene.primitives.Add(plane5);
Sphere sphere2 = new Sphere(new Vector3(-1.5f, 0, -2), 1, new Vector3(1, 1, 0.5f), false);
scene.primitives.Add(sphere2);
Sphere sphere1 = new Sphere(new Vector3(0, 0, 0), 1, new Vector3(0.5f, 1, 1), false, 100);
scene.primitives.Add(sphere1);
Sphere sphere3 = new Sphere(new Vector3(1.5f, 0, -2), 1, new Vector3(1, 1, 1), true);
scene.primitives.Add(sphere3);
raytracer = new Raytracer(cam, scene, displaySurf);
raytracer.screen = screen;
raytracer.InitializeOutside();
}
private float xlength, ylength; //length of x axis and y axis
//initialize
public void Init()
{
screen = new Surface(1024, 512);
float FOVfactor = z * Math.Abs((float)Math.Tan(FOV * Math.PI/360));
camera = new Camera(- FOVfactor, FOVfactor, FOVfactor, - FOVfactor, z, cameraDir);
scene = new Scene(debug);
left = camera.screenlu.X;
up = camera.screenlu.Y;
right = camera.screenru.X;
down = camera.screenld.Y;
xlength = Math.Abs(left) + Math.Abs(right);
ylength = Math.Abs(up) + Math.Abs(down);
debug = new Debug(screen, camera, scene);
raytracer = new Raytracer(screen, camera, scene, debug);
}
protected override void OnLoad(EventArgs e)
{
// called upon app init
GL.ClearColor(Color.Black);
GL.Enable(EnableCap.Texture2D);
GL.Disable(EnableCap.DepthTest);
GL.Hint(HintTarget.PerspectiveCorrectionHint, HintMode.Nicest);
ClientSize = new Size(1024, 512);
raytracer = new Raytracer
{
scene = new Scene(),
camera = new Camera(new Vector3(0, 0, 0), new Vector3(0.0f, 0, 1.0f)),
screen = new Surface(screenSize, screenSize, Vector3.Zero, Vector3.Zero, Vector3.Zero),
screenDebug = new Surface(screenDebugSize, screenDebugSize, Vector3.Zero, Vector3.Zero, Vector3.Zero)
};
Sprite.target = raytracer.screen;
screenID = raytracer.screen.GenTexture();
screenIDDebug = raytracer.screenDebug.GenTexture();
raytracer.Init();
}
// initialize
public void Init()
{
raytracer = new Raytracer();
application = new Application();
}
// initialize
public void Init()
{
screen = new Surface(2 * size, size);
raytracer = new Raytracer(screen, scene, size, size);
}
public void Init()
{
Camera.DisplayKeyInfo();
raytracer = new Raytracer();
}
