public static void Go()
{
int screen_w = BitmapEcran.GetWidth(), screen_h = BitmapEcran.GetHeight();
V3 camera_position = new V3(screen_w / 2, -400, screen_h / 2);
/* Lights */
// Light sources
V3 key_light_dir = new V3(-1, 1, -1);
Couleur key_light_color = new Couleur(0.8f, 0.8f, 0.8f);
//Lights.add_light(key_light_dir, key_light_color);
V3 fill_light_dir = new V3(1, 1, -1);
Couleur fill_light_color = new Couleur(0.5f, 0.5f, 0.5f);
//Lights.add_light(fill_light_dir, fill_light_color);
V3 point_light_position = new V3(screen_w * 0.5f, Scene.max_y_position / 2, screen_h - 43);
Couleur point_light_color = new Couleur(1f, 1f, 1f);
Lights.add_light(point_light_position, point_light_color, true);
/* Objects */
// list of all objects appearing on screen
List <Object> objects_on_screen = new List <Object>();
Scene.Room(ref objects_on_screen);
Scene.Boxes(ref objects_on_screen);
Scene.Mirror(ref objects_on_screen);
Scene.Bed(ref objects_on_screen);
Scene.Ball(ref objects_on_screen);
Scene.Shelf(ref objects_on_screen);
// Creates and initialize Z_buffer/ray casting activate + determines the camera position
Elements.inicialize_Elements(camera_position, true, objects_on_screen);
// Plot all objects on the screen with the ray casting method
/*for (int i = 0; i < screen_w; i++)
* {
* for(int j = 0; j < screen_h; j++)
* {
* Elements.RayCasting(new V3(i, 0, j), objects_on_screen);
* }
* }*/
V3 ray_direction;
Couleur c;
for (int i = 0; i < screen_w; i++)
{
for (int j = 0; j < screen_h; j++)
{
ray_direction = new V3(i, 0, j) - Elements.camera_position;
ray_direction.Normalize();
c = Elements.RayTracer(Elements.camera_position, ray_direction, 0);
BitmapEcran.DrawPixel(i, j, c);
}
}
}
public Couleur getPixelColor(V3 P)
{
float u, v;
V3 d = new V3(Center - P);
d.Normalize();
u = (float)(0.5f + Math.Atan2(d.x, d.y) / (2 * Math.PI));
v = (float)(0.5f - Math.Asin(d.z) / Math.PI);
return(Lights.getPixelColor(P, getColor(u, v), getPixelSphereNormal(P), object_index));
}
public Couleur getPixelColor(V3 P)
{
V3 N = getRectangleNormal(P);
// get pixel's color
getUV(P, out float u, out float v);
Couleur c = getColor(u, v);
if (bump_activate)
{
N = bumpN(N, u, v);
}
c = Lights.getPixelColor(P, c, N, object_index);
return(c);
}
