public Sphere(V3 center, int rayon, Texture T, Texture T_bump, float bump_coeff)
{
pas = 0.005;
k = 30;
this.origin = center;
this.rayon = rayon;
this.T = T;
this.T_bump = T_bump;
this.bump_coeff = bump_coeff;
}
V3 L1, L2, N; // vecteurs longueur, largeur, normale
#endregion Fields
#region Constructors
public Rect(V3 origin, V3 L1, V3 L2, Texture T, Texture T_bump)
{
pas = 0.001;
k = 30;
this.origin = origin;
this.L1 = L1;
this.L2 = L2;
this.N = L1 ^ L2;
N.Normalize();
this.T = T;
this.T_bump = T_bump;
this.bump_coeff = 0.005f;
}
public static void Go()
{
int width = BitmapEcran.GetWidth();
int height = BitmapEcran.GetHeight()+1;
Couleur C_ambiant = new Couleur(0.2f, 0.2f, 0.2f);
V3 camera = new V3(width / 2, -1000, height / 2);
// LAMPES
List<Lampe> lampList = new List<Lampe>();
lampList.Add(new Lumiere(0, new V3(1f, -1f, 1f), new V3(0f, 0f, 0f), new Couleur(0.4f, 0.4f, 0.4f)));
lampList.Add(new Lumiere(0, new V3(-1f, -1f, 1f), new V3(0f, 0f, 0f), new Couleur(0.4f, 0.4f, 0.4f)));
// TEXTURES
Texture T_carreau = new Texture("carreau.jpg");
Texture T_lead = new Texture("lead.jpg");
Texture T_Aymeric = new Texture("aymeric.jpg");
Texture T_stone = new Texture("stone2.jpg");
Texture T_fibre = new Texture("fibre.jpg");
Texture T_brick = new Texture("brick01.jpg");
Texture T_gold = new Texture("gold.jpg");
// BUMP TEXTURES
Texture T_bump = new Texture("bump38.jpg");
Texture T_leadbump = new Texture("lead_bump.jpg");
// OBJETS
List<Objet3D> objList = new List<Objet3D>();
//SPHERES
objList.Add(new Sphere(new V3(width / 2, 500, height - 50), 150, T_carreau, T_bump, 0.008f));
objList.Add(new Sphere(new V3(50, 500, height / 2), 150, T_lead, T_leadbump, 0.01f));
objList.Add(new Sphere(new V3(175, 300, height / 2 + 75), 50, T_gold, T_bump, 0.1f));
//RECTS
//fond
objList.Add(new Rect(new V3(50, 1000, 50), new V3(width - 100, 0, 0), new V3(0, 0, height - 100), T_brick, null));
//bas
objList.Add(new Rect(new V3(50, 0, 50), new V3(width - 100, 0, 0), new V3(0, 1000, 0), T_stone, null));
//haut
//objList.Add(new Rect(new V3(width-50, 0, height-50), new V3(-(width-100), 0, 0), new V3(0, 1000, 0), T_fibre, null));
//gauche
objList.Add(new Rect(new V3(50, 0, 50), new V3(0, 1000, 0), new V3(0, 0, height - 100), T_brick, null));
//droite
objList.Add(new Rect(new V3(width - 50, 1000, 50), new V3(0, -1000, 0), new V3(0, 0, height - 100), T_brick, null));
//milieu
objList.Add(new Rect(new V3(width / 2 + 100, 750, 50), new V3(0, -500, 0), new V3(0, 0, height / 3), T_brick, null));
// RAY CASTING
V3 Rd, R;
float t, tnew;
bool[] occs = new bool[lampList.Count];
//parcourir les pixels en x
for (int pxx = 0; pxx < width; pxx++) {
//parcourir les pixels en z
for (int pxz = 0; pxz < height; pxz++) {
t = float.MaxValue;
// pour chaque pixel générer un rayon Rd
Rd = new V3(pxx - camera.x, -camera.y, pxz - camera.z);
Rd.Normalize();
// parcourir la liste des objets
foreach (Objet3D obj in objList) {
// appeler l'intersection et récupérer le point
tnew = obj.getIntersect(Rd, camera);
if (tnew != -1)
{
if (tnew <= t)
{
t = tnew;
// R est le point d'intersection de Rd et de l'objet
R = camera + t * Rd;
occs = obj.occultation(R, objList, lampList);
//Console.WriteLine(occs[0]+" "+occs[1]);
Couleur finalColor = obj.DrawPoint(C_ambiant, lampList, camera, R, occs);
BitmapEcran.DrawPixel(pxx, pxz, finalColor);
}
}
}
}
}
//s1.Draw(C_ambiant, L, camera);
//s2.Draw(C_ambiant, L, camera);
//r1.Draw(C_ambiant, L, camera);
//r2.Draw(C_ambiant, L, camera);
}