public bool[] occultation(V3 R, List<Objet3D> objList, List<Lampe> lampList)
{
V3 Rd;
float t;
bool[] occs = new bool[lampList.Count];
// créer un rayon de R vers chaque Lampe
for (int i = 0; i < lampList.Count; i++ )
{
Lumiere L = (Lumiere)lampList.ElementAt(i);
if (L.getType() == 0)
{ // directional : direction L.getDirection();
Rd = L.getDirection();
}
else
{
Rd = L.getPosition() - R;
}
Rd.Normalize();
occs[i] = false;
foreach (Objet3D obj in objList)
{
t = obj.getIntersect(Rd, R);
//if (t != -1f && t != 0f) // si il y a une intersection
if(t > 0.01f)
{
occs[i] = true; // on occulte la lampe
}
}
}
return occs;
}
/*public override void Draw(Couleur C_ambiant, Lumiere L, V3 camera)
{
//float cosln;
//Couleur final_ambiant, final_diff, final_spec;
//Couleur C_lampe = L.getClampe();
//L1 = (new V3(0.0f, 1.0f, 0.0f)) ^ (L1 ^ (new V3(0.0f, 1.0f, 0.0f)));
//L2 = (new V3(0.0f, 1.0f, 0.0f)) ^ (L2 ^ (new V3(0.0f, 1.0f, 0.0f)));
// 4 sommets : origin, origin + L1, origin + L2, origin + L1 + L2
for (V3 u = new V3(0.0f, 0.0f, 0.0f); (u.x < Math.Abs(L1.x) || L1.x == 0) && (u.y < Math.Abs(L1.y) || L1.y == 0) && (u.z < Math.Abs(L1.z) || L1.z == 0); u += (L1 * (float)pas))
{
for (V3 v = new V3(0.0f, 0.0f, 0.0f); (v.x < Math.Abs(L2.x) || L2.x == 0) && (v.y < Math.Abs(L2.y) || L2.y == 0) && (v.z < Math.Abs(L2.z) || L2.z == 0); v += (L2 * (float)pas))
{
float dhdu, dhdv;
float x = u.x + v.x + origin.x;
float y = u.y + v.y + origin.y;
float z = u.z + v.z + origin.z;
int x_ecran = (int)x;
int z_ecran = (int)z;
Couleur C_obj = T.LireCouleur((float)(u.Norm() / L1.Norm()), (float)(v.Norm() / L2.Norm()));
//final_ambiant = C_obj * C_ambiant;
if (ZBuffer.test(y, x_ecran, z_ecran))
{
// BUMP MAP
V3 Np = N;
if (T_bump != null)
{
V3 dmdu = L1;
V3 dmdv = L2;
this.T_bump.Bump((float)(u.Norm() / L1.Norm()), (float)(v.Norm() / L2.Norm()), out dhdu, out dhdv);
Np = N + bump_coeff * ((dmdu ^ (N * dhdv)) + ((N * dhdu) ^ dmdv));
}
// FIN BUMP MAP
V3 O = new V3(x, y, z);
O = camera - O;
//Couleur finalColor = computeLights(C_obj, C_ambiant, Np, O, L, k);
//BitmapEcran.DrawPixel(x_ecran, z_ecran, finalColor);
}
}
}
}*/
public override Couleur DrawPoint(Couleur C_ambiant, List<Lampe> lampList, V3 camera, V3 R, bool[] occs)
{
V3 N = this.N;
N.Normalize();
V3 O = camera - R;
// TEXTURE
V3 AI = R - this.origin;
float a = (this.L1 * AI) / (this.L1.Norme2());
float b = ((AI - a * this.L1).Norm()) / (this.L2.Norm());
Couleur C_obj = T.LireCouleur(a, 1 - b);
// BUMP MAP
if (T_bump != null)
{
float dhdu, dhdv;
V3 dmdu = L1;
V3 dmdv = L2;
this.T_bump.Bump(a, b, out dhdu, out dhdv);
N = N + bump_coeff * ((dmdu ^ (N * dhdv)) + ((N * dhdu) ^ dmdv));
}
// FIN BUMP MAP
Point I = new Point(C_obj, C_ambiant, N, O, this.k);
Couleur finalColor = computeLights(I, lampList, occs);
return finalColor;
}
public Lumiere(int pType, V3 pDirection, V3 pPosition, Couleur pC_lampe)
{
this.type = pType;
this.direction = pDirection;
this.position = pPosition;
this.C_lampe = pC_lampe;
}
/*public override void Draw(Couleur C_ambiant, Lumiere L, V3 camera)
{
Couleur final_ambiant;
Couleur C_lampe = L.getClampe();
for (double u = 0; u < 2 * Math.PI; u += pas)
{
for (double v = -1 * Math.PI / 2; v < Math.PI / 2; v += pas)
{
float dhdu, dhdv;
Couleur C_obj = T.LireCouleur((float)(u / (2 * Math.PI)), (float)((v + Math.PI / 2) / Math.PI));
final_ambiant = C_obj * C_ambiant;
double x = rayon * Math.Cos(v) * Math.Cos(u);
double y = rayon * Math.Cos(v) * Math.Sin(u);
double z = rayon * Math.Sin(v);
int x_ecran = (int)x + (int)origin.x;
int z_ecran = (int)z + (int)origin.z;
if (ZBuffer.test(y, x_ecran, z_ecran))
{
V3 N = new V3((float)x, (float)y, (float)z); //ne pas toucher
// BUMP MAP
if (T_bump != null)
{
V3 dmdu = new V3((float)(-rayon * Math.Cos(v) * Math.Sin(u)),
(float)(rayon * Math.Cos(v) * Math.Cos(u)),
0.0f);
V3 dmdv = new V3((float)(-rayon * Math.Sin(v) * Math.Cos(u)),
(float)(-rayon * Math.Sin(v) * Math.Sin(u)),
(float)(rayon * Math.Cos(v)));
this.T_bump.Bump((float)(u / (2 * Math.PI)), (float)((v + Math.PI / 2) / Math.PI), out dhdu, out dhdv);
N = N + bump_coeff * ((dmdu ^ (N * dhdv)) + ((N * dhdu) ^ dmdv));
}
// FIN BUMP MAP
V3 O = new V3((float)x, (float)y, (float)z);
O = camera - O;
//Couleur finalColor = computeLights(C_obj, C_ambiant, N, O, L, k);
//BitmapEcran.DrawPixel(x_ecran, z_ecran, finalColor);
}
}
}
}*/
public override Couleur DrawPoint(Couleur C_ambiant, List<Lampe> lampList, V3 camera, V3 R, bool[] occs)
{
V3 N = R - this.origin;
N.Normalize();
V3 O = camera - R;
// TEXTURE
float u, v;
IMA.Invert_Coord_Spherique(R - this.origin, this.rayon, out u, out v);
Couleur C_obj = T.LireCouleur((float)(u / (Math.PI)), (float)((v + IMA.PI2) / Math.PI));
// BUMP MAP
if (T_bump != null)
{
float dhdu, dhdv;
V3 dmdu = new V3((float)(-rayon * Math.Cos(v) * Math.Sin(u)),
(float)(rayon * Math.Cos(v) * Math.Cos(u)),
0.0f);
V3 dmdv = new V3((float)(-rayon * Math.Sin(v) * Math.Cos(u)),
(float)(-rayon * Math.Sin(v) * Math.Sin(u)),
(float)(rayon * Math.Cos(v)));
this.T_bump.Bump((float)(u / (Math.PI)), (float)((v + IMA.PI2) / Math.PI), out dhdu, out dhdv);
N = N + bump_coeff * ((dmdu ^ (N * dhdv)) + ((N * dhdu) ^ dmdv));
}
// FIN BUMP MAP
Point I = new Point(C_obj, C_ambiant, N, O, this.k);
Couleur finalColor = computeLights(I, lampList, occs);
return finalColor;
}
public Lumiere()
{
type = 0; // directional light
direction = new V3(0.0f,0.0f,0.0f);
position = new V3(0.0f, 0.0f, 0.0f);
C_lampe = new Couleur(1.0f, 1.0f, 1.0f);
}
public Point()
{
this.C_obj = new Couleur (1.0f, 1.0f, 1.0f);
this.C_ambiant = new Couleur(0.2f, 0.2f, 0.2f);
this.N = new V3(0, -1, 0);
this.O = new V3(0, 0, 0);
this.k = 30;
}
public Point(Couleur C_obj, Couleur C_ambiant, V3 N, V3 O, int k)
{
this.C_obj = C_obj;
this.C_ambiant = C_ambiant;
this.N = N;
this.O = O;
this.k = k;
}
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 Invert_Coord_Spherique(V3 P, float r, out float u, out float v)
{
P = P / r;
if (P.z >= 1) { u =(float) IMA.PI2 ; v = 0; }
else if (P.z <= -1) { u = (float)-IMA.PI2 ; v = 0; }
else
{
v = (float) Math.Asin(P.z);
float t = (float) (P.x / IMA.Cosf(v));
if (t <= -1) { u = (float) IMA.PI; }
else if (t >= 1) { u = 0; }
else
{
if (P.y < 0) u = (float) ( 2 * IMA.PI - Math.Acos(t));
else u = (float) Math.Acos(t);
}
}
}
public static float prod_scal(ref V3 u, ref V3 v)
{
return(u.x * v.x + u.y * v.y + u.z * v.z);
}
protected Formes(String textureLocation, String bumpMapLocation, V3 position)
{
this.texture = new Texture(textureLocation);
this.BumpMap = new Texture(bumpMapLocation);
this.position = position;
}
public V3(V3 t)
{
x = t.x;
y = t.y;
z = t.z;
}
public LampePonctuelle(Couleur couleur, float intensite, V3 position, float decay) : base(couleur, intensite)
{
this.position = position;
this.decay = decay;
}
public abstract Couleur getCouleurRaycast(V3 PointIntersection, Scene scene);
public override float GetIntensite(V3 point)
{
float distance = (this.position - point).Norm();
return(Math.Max(0, (this.intensite - (decay * distance))));
}
public Sphere(Couleur chroma, String bumpMapLocation, V3 position, float rayon) : base(chroma, bumpMapLocation, position)
{
this.rayon = rayon;
}
static public void Room(ref List <Object> objects_on_screen)
{
/** Room **/
V3 A, B, C;
float y = max_y_position;
//Back wall
A = new V3(screen_w * 0f, y, screen_h * 0f);
B = new V3(screen_w * 1f, y, screen_h * 0f);
C = new V3(screen_w * 0f, y, screen_h * 1f);
objects_on_screen.Add(new Rectangle_2(A, B, C, T_clouds, objects_on_screen.Count));
// Left wall
A = new V3(screen_w * 0f, 0, screen_h * 0f);
B = new V3(screen_w * 0f, y, screen_h * 0f);
C = new V3(screen_w * 0f, 0, screen_h * 1f);
objects_on_screen.Add(new Rectangle_2(A, B, C, T_bricks, objects_on_screen.Count));
// Right wall
A = new V3(screen_w * 1f, y, screen_h * 0f);
C = new V3(screen_w * 1f, y, screen_h * 1f);
B = new V3(screen_w * 1f, 0, screen_h * 0f);
objects_on_screen.Add(new Rectangle_2(A, B, C, T_bricks, objects_on_screen.Count));
// Floor
A = new V3(screen_w * 0f, 0, screen_h * 0f);
B = new V3(screen_w * 1f, 0, screen_h * 0f);
C = new V3(screen_w * 0f, y, screen_h * 0f);
objects_on_screen.Add(new Rectangle_2(A, B, C, T_wood, objects_on_screen.Count));
// Celling
A = new V3(screen_w * 0f, y, screen_h * 1f);
B = new V3(screen_w * 1f, y, screen_h * 1f);
C = new V3(screen_w * 0f, 0, screen_h * 1f);
objects_on_screen.Add(new Rectangle_2(A, B, C, White, objects_on_screen.Count));
// Front wall
A = new V3(screen_w * 0f, 0, screen_h * 0f);
C = new V3(screen_w * 0f, 0, screen_h * 1f);
B = new V3(screen_w * 1f, 0, screen_h * 0f);
//objects_on_screen.Add(new Rectangle_2(A, B, C, Green, objects_on_screen.Count));
// Lamp
V3 center = new V3(screen_w * 0.5f, y / 2, screen_h * 1.14f);
objects_on_screen.Add(new Sphere(100, center, White, objects_on_screen.Count));
objects_on_screen.Last <Object>().setSpecularity(1.2f, 0.1f);
}
public abstract PointColore GetCouleurIntersect(V3 camera, V3 directionOculaire, float intersection);
public Sphere(String textureLocation, String bumpMapLocation, V3 position, float rayon) : base(textureLocation, bumpMapLocation, position)
{
this.rayon = rayon;
}
public abstract float IntersectRayon(V3 camera, V3 directionOculaire);
protected Formes(Couleur chroma, String bumpMapLocation, V3 position)
{
this.texture = new MonoTexture(chroma);
this.BumpMap = new Texture(bumpMapLocation);
this.position = position;
}
public Triangle(Texture tex, V3 pointA, V3 pointB, V3 pointC, V3 texA, V3 texB, V3 texC) : base(tex, "n", pointA)
{
this.pointB = pointB;
this.pointC = pointC;
this.textureA = texA;
this.textureB = texB;
this.textureC = texC;
this.resetVectors();
}
static public void Bed(ref List <Object> objects_on_screen)
{
V3 A, B, C;
float y = 100;
float bed_lenght = 500;
float starting_w_point = screen_w * 0f;
float starting_h_point = screen_h * 0.15f;
// Matress
A = new V3(starting_w_point + bed_lenght - 10, y + 10, starting_h_point + 20);
B = new V3(starting_w_point + bed_lenght - 10, y + bed_lenght / 2 - 10, starting_h_point + 20);
C = new V3(starting_w_point + 10, y + 10, starting_h_point + 20);
objects_on_screen.Add(new Rectangle_2(A, B, C, White, objects_on_screen.Count));
objects_on_screen.Last <Object>().setBump(bump_1, 400f);
A = new V3(starting_w_point + bed_lenght - 10, y + 10, starting_h_point);
B = new V3(starting_w_point + bed_lenght - 10, y + 10, starting_h_point + 20);
C = new V3(starting_w_point + 10, y + 10, starting_h_point);
objects_on_screen.Add(new Rectangle_2(A, B, C, White, objects_on_screen.Count));
A = new V3(starting_w_point + bed_lenght - 10, y + 10, starting_h_point);
B = new V3(starting_w_point + bed_lenght - 10, y + bed_lenght / 2 - 10, starting_h_point + 20);
C = new V3(starting_w_point + bed_lenght - 10, y + 10, starting_h_point + 20);
objects_on_screen.Add(new Rectangle_2(A, B, C, White, objects_on_screen.Count));
// Pillow
V3 center;
float R = 20;
for (int i = 30; i < bed_lenght / 2 - 80; i++)
{
center = new V3(starting_w_point + R, y + i, starting_h_point + R + 20);
objects_on_screen.Add(new Sphere(R, center, Pink1, objects_on_screen.Count));
}
// Bed
// top
A = new V3(starting_w_point + bed_lenght, y, starting_h_point);
B = new V3(starting_w_point + bed_lenght, y + bed_lenght / 2, starting_h_point);
C = new V3(starting_w_point, y, starting_h_point);
objects_on_screen.Add(new Rectangle_2(A, B, C, Blue, objects_on_screen.Count));
//objects_on_screen.Last<Object>().setBump(bump_1, 400f);
// side shown
A = new V3(starting_w_point + bed_lenght, y, 0);
B = new V3(starting_w_point + bed_lenght, y, starting_h_point);
C = new V3(starting_w_point, y, 0);
objects_on_screen.Add(new Rectangle_2(A, B, C, Blue, objects_on_screen.Count));
// side hidden
A = new V3(starting_w_point + bed_lenght, y + bed_lenght / 2, 0);
B = new V3(starting_w_point + bed_lenght, y + bed_lenght / 2, starting_h_point);
C = new V3(starting_w_point, y + bed_lenght / 2, 0);
objects_on_screen.Add(new Rectangle_2(A, B, C, Blue, objects_on_screen.Count));
// front
A = new V3(starting_w_point + bed_lenght, y + bed_lenght / 2, 0);
B = new V3(starting_w_point + bed_lenght, y + bed_lenght / 2, starting_h_point);
C = new V3(starting_w_point + bed_lenght, y, 0);
objects_on_screen.Add(new Rectangle_2(A, B, C, Blue, objects_on_screen.Count));
}
//constructeur
public Sphere(V3 pCenter, float pRayon, Materiel pMateriel)
{
center = pCenter;
rayon = pRayon;
materiel = pMateriel;
}
static public void Shelf(ref List <Object> objects_on_screen)
{
V3 A, B, C;
float y = max_y_position - 100;
float shelf_lenght = 400;
float starting_w_point = screen_w * 0f;
float starting_h_point = screen_h * 0.65f;
// top
A = new V3(starting_w_point + shelf_lenght, y, starting_h_point);
B = new V3(starting_w_point + shelf_lenght, y + shelf_lenght / 3, starting_h_point);
C = new V3(starting_w_point, y, starting_h_point);
objects_on_screen.Add(new Rectangle_2(A, B, C, Red, objects_on_screen.Count));
// bottom
A = new V3(starting_w_point + shelf_lenght, y, starting_h_point - 20);
C = new V3(starting_w_point + shelf_lenght, y + shelf_lenght / 3, starting_h_point - 20);
B = new V3(starting_w_point, y, starting_h_point - 20);
objects_on_screen.Add(new Rectangle_2(A, B, C, White, objects_on_screen.Count));
//front
A = new V3(starting_w_point + shelf_lenght, y, starting_h_point - 20);
B = new V3(starting_w_point + shelf_lenght, y, starting_h_point);
C = new V3(starting_w_point, y, starting_h_point - 20);
objects_on_screen.Add(new Rectangle_2(A, B, C, White, objects_on_screen.Count));
//side
A = new V3(starting_w_point + shelf_lenght, y, starting_h_point - 20);
B = new V3(starting_w_point + shelf_lenght, y + shelf_lenght, starting_h_point - 20);
C = new V3(starting_w_point + shelf_lenght, y, starting_h_point);
objects_on_screen.Add(new Rectangle_2(A, B, C, White, objects_on_screen.Count));
float book_size = 84;
y = max_y_position - 50;
// book 1
A = new V3(starting_w_point + 40, y, starting_h_point);
B = new V3(starting_w_point + 40, y + shelf_lenght - 3, starting_h_point);
C = new V3(starting_w_point + 30, y, starting_h_point + book_size);
objects_on_screen.Add(new Rectangle_2(A, B, C, Yellow, objects_on_screen.Count));
B = new V3(starting_w_point + 30, y, starting_h_point + book_size);
C = new V3(starting_w_point + 20, y, starting_h_point);
objects_on_screen.Add(new Rectangle_2(A, B, C, Yellow, objects_on_screen.Count));
A = new V3(starting_w_point + 20, y, starting_h_point);
C = new V3(starting_w_point + 20, y + shelf_lenght - 3, starting_h_point);
B = new V3(starting_w_point, y, starting_h_point + book_size);
objects_on_screen.Add(new Rectangle_2(A, B, C, Yellow, objects_on_screen.Count));
// book 2
book_size = 150;
A = new V3(starting_w_point + book_size + 50, y, starting_h_point + 35);
B = new V3(starting_w_point + book_size + 50, y + shelf_lenght, starting_h_point + 35);
C = new V3(starting_w_point + 50, y, starting_h_point + 35);
objects_on_screen.Add(new Rectangle_2(A, B, C, Red, objects_on_screen.Count));
A = new V3(starting_w_point + book_size + 50, y, starting_h_point);
B = new V3(starting_w_point + book_size + 50, y, starting_h_point + 35);
C = new V3(starting_w_point + 50, y, starting_h_point);
objects_on_screen.Add(new Rectangle_2(A, B, C, Red, objects_on_screen.Count));
A = new V3(starting_w_point + book_size + 45, y, starting_h_point);
B = new V3(starting_w_point + book_size + 45, y + shelf_lenght - 5, starting_h_point);
C = new V3(starting_w_point + book_size + 45, y, starting_h_point + 35);
objects_on_screen.Add(new Rectangle_2(A, B, C, Yellow2, objects_on_screen.Count));
objects_on_screen.Last <Object>().setBump(bump_lead, 40f);
}
public Parallelogram(V3 pointA, V3 pointB, V3 pointC, Texture texture, bool ignoreShadow, Texture textureBump = null, float intensiteBump = 0, float coefReflexion = 0, float coefRefraction = 0, float indiceFresnel = 0) : base(texture, textureBump, intensiteBump, coefReflexion, coefRefraction, indiceFresnel)
{
InitPoints(pointA, pointB, pointC);
this.ignoreShadow = ignoreShadow;
}
public abstract float gettIntersect(V3 PosCamera, V3 DirRayon);
public override float getIntersect(V3 Rd, V3 cam)
{
// intersection avec le plan (pas le rectangle)
float t = ((this.origin - cam) * this.N) / (Rd * this.N);
V3 I = cam + t * Rd;
V3 AI = (I - this.origin);
// a et b pour vérifier si on est dans le rectangle (pas que dans le plan)
float a = (this.L1 * AI) / (this.L1.Norme2());
//float b = IMA.Sqrtf((this.origin - cam).Norme2() - a * a);
//float b = (AI.Norm() * IMA.Sqrtf(1 - ((a * L1).Norm() / AI.Norm()) * ((a * L1).Norm() / AI.Norm()))) / this.L2.Norm();
float b = ((AI - a * this.L1).Norm()) / (this.L2.Norm());
b = (L2 * (AI - a * this.L1) < 0) ? -b : b;
if ((0 <= a && a <= 1) && (0 <= b && b <= 1))
{
return t;
}
else
{
return -1f;
}
}
public Quadrilatere(string textureLocation, string bumpMapLocation, V3 pointA, V3 pointB, V3 pointC) : base(textureLocation, bumpMapLocation, pointA)
{
this.pointB = pointB;
this.pointC = pointC;
}
public static void add_light(V3 direction, Couleur c)
{
Light_Source l = new Light_Source(direction, c);
lights.Add(l);
}
public static float prod_scal(ref V3 u, ref V3 v)
{
return u.x * v.x + u.y * v.y + u.z * v.z;
}
public static Couleur Color_Diffused(Light_Source light, Couleur px_color, V3 P, V3 N)
{
V3 L = -light.direction;
if (light.point_light)
{
L = light.position - P;
//L = P-light.position;
L.Normalize();
}
float cos_theta = N * L;
if (cos_theta < 0)
{
cos_theta = 0;
}
float on_shadow = getShadow(P, light);
Couleur c = cos_theta * (light.color * px_color);
return(c * on_shadow);
}
public override float getIntersect(V3 R, V3 cam)
{
float t, t1, t2;
float A = R.Norme2();
float B = 2*(R.x * (cam.x - origin.x) + R.y * (cam.y - origin.y) + R.z * (cam.z - origin.z));
float C = (cam.x - origin.x) * (cam.x - origin.x) + (cam.y - origin.y) * (cam.y - origin.y) + (cam.z - origin.z) * (cam.z - origin.z) - (this.rayon * this.rayon);
float D = B * B - 4 * A * C;
if (D < 0)
{
return -1f;
}
else
{
t = -1f;
if (D > 0)
{
t1 = (-B - IMA.Sqrtf(D)) / (2 * A);
t2 = (-B + IMA.Sqrtf(D)) / (2 * A);
if (t1 < t2 && t1 >= 0)
{
t = t1;
}
else if (t2 < t1 && t2 >= 0)
{
t = t2;
}
}
else
{
t = -B / (2 * A);
}
return t;
}
}
protected Formes(Texture t, String bp, V3 position)
{
this.texture = t;
this.BumpMap = new Texture(bp);
this.position = position;
}
public override V3 GetDirection(V3 point)
{
return(this.direction);
}
public LampeDirectionelle(Couleur couleur, float intensite, V3 direction) : base(couleur, intensite)
{
this.direction = direction;
}
public V3(V3 t)
{
x = t.x;
y = t.y;
z = t.z;
}
public Quadrilatere(Couleur chroma, string bumpMapLocation, V3 pointA, V3 pointB, V3 pointC) : base(chroma, bumpMapLocation, pointA)
{
this.pointB = pointB;
this.pointC = pointC;
}
public static void add_light(V3 position, Couleur c, bool point)
{
Light_Source l = new Light_Source(position, c, true);
lights.Add(l);
}
public void setPosition(V3 pPosition)
{
this.position = pPosition;
}
private void outPosition(float x, float y, float z)
{
V3 position = new V3(x, y, z);
this.formToModif.setPosition(position);
}
//abstract public void Draw(Couleur C_ambiant, Lumiere L, V3 camera); public abstract float getIntersect(V3 R, V3 cam);
public static void Start()
{
//création de la scène qui va contenir les objets
Scene mainScene = new Scene();
//couleurs
Couleur blanc = new Couleur(1, 1, 1);
Couleur rouge = new Couleur(0.9f, 0, 0);
Couleur jaune = new Couleur(1, 1, 0);
Couleur vert = new Couleur(0, 1, 0);
Couleur cyan = new Couleur(0, 1, 1);
Couleur bleu = new Couleur(0, 0, 1);
Couleur violet = new Couleur(1, 0, 1);
Couleur gris = new Couleur(0.5f, 0.5f, 0.5f);
Couleur noir = new Couleur(0, 0, 0);
//========== Lumières ==========
//lumière ambiante
//lumières directionnelles
V3 directionLumièreDirectionnelle;
V3 positionLumièrePoint;
LumiereDirectionnelle lumiereDirerectionnelle;
LumierePoint lumierePoint;
LumiereAmbiante LumAmb = new LumiereAmbiante(new Couleur(0.3f, 0.3f, 0.3f));
mainScene.SetLumAmb(LumAmb);
directionLumièreDirectionnelle = new V3(0, -1, 0);
lumiereDirerectionnelle = new LumiereDirectionnelle(new Couleur(0.5f, 0.5f, 0.5f), directionLumièreDirectionnelle);
//mainScene.AddLumDir(lumiereDirerectionnelle);
positionLumièrePoint = new V3(400, 1, 400);
lumierePoint = new LumierePoint(new Couleur(0.5f, 0.5f, 0.5f), positionLumièrePoint);
mainScene.AddLum(lumierePoint);
positionLumièrePoint = new V3(BitmapEcran.GetWidth() / 2, 0, BitmapEcran.GetHeight() / 2);
lumierePoint = new LumierePoint(new Couleur(0.5f, 0.5f, 0.5f), positionLumièrePoint);
mainScene.AddLum(lumierePoint);
//directionLumièreDirectionnelle = new V3(-1, -1, -1);
//lumiereDirerectionnelle = new LumiereDirectionnelle(new Couleur(0,0, 0.7f), directionLumièreDirectionnelle);
//mainScene.AddLumDir(lumiereDirerectionnelle);
//========== Matériaux ==========
Materiel Blanc = new Materiel(blanc / 1.2f, new Texture("bump38.jpg"), 50, 1);
Materiel test = new Materiel(new Texture("test.jpg"), new Texture("test.jpg"), 200, 3);
Materiel or = new Materiel(new Texture("gold.jpg"), new Texture("gold_Bump.jpg"), 200, 0.7f);
Materiel plomb = new Materiel(new Texture("lead.jpg"), new Texture("lead_bump.jpg"), 50, 1);
Materiel brique = new Materiel(new Texture("brickwork-texture.jpg"), new Texture("brickwork-bump-map.jpg"), 500, 1);
Materiel rock = new Materiel(new Texture("rock.jpg"), new Texture("rock.jpg"), 500, 1);
Materiel stone = new Materiel(new Texture("rock.jpg"), new Texture("rock.jpg"), 500, 1);
Materiel fibre = new Materiel(new Texture("rock.jpg"), new Texture("rock.jpg"), 500, 1);
Materiel Blob = new Materiel(blanc / 1.2f, new Texture("bump.jpg"), 50, 1);
//========== Objets ==========
V3 center;
Sphere s;
Rectangle r;
//Boule Or
center = new V3(600, 300f, 200);
s = new Sphere(center, 50, or);
mainScene.AddObjet3D(s);
//Boule Or
center = new V3(200, 200, 100);
s = new Sphere(center, 150, Blob);
mainScene.AddObjet3D(s);
//Boule Plomb
center = new V3(800, 1000, 400);
s = new Sphere(center, 100, plomb);
mainScene.AddObjet3D(s);
//Boule Brique
center = new V3(300, 1000, 400);
s = new Sphere(center, 150, Blanc);
mainScene.AddObjet3D(s);
//Rectangle brique Gauche
V3 A = new V3(0, 0, 0);
V3 B = new V3(0, 2000, 0);
V3 C = new V3(0, 0, 800);
r = new Rectangle(A, B, C, brique);
mainScene.AddObjet3D(r);
//Rectangle brique Droit
A = new V3(1000, 2000, 0);
B = new V3(1000, 0, 0);
C = new V3(1000, 2000, 800);
r = new Rectangle(A, B, C, brique);
mainScene.AddObjet3D(r);
//Rectangle brique Fond
A = new V3(0, 2000, 0);
B = new V3(1000, 2000, 0);
C = new V3(0, 2000, 800);
r = new Rectangle(A, B, C, brique);
mainScene.AddObjet3D(r);
//Rectangle brique Bas
A = new V3(0, 0, 0);
B = new V3(1000, 0, 0);
C = new V3(0, 2000, 0);
r = new Rectangle(A, B, C, brique);
mainScene.AddObjet3D(r);
A = new V3(400, 0, 0);
B = new V3(190, -50, 0);
C = new V3(0, 0, 190);
r = new Rectangle(A, B, C, brique);
//mainScene.AddObjet3D(r);
//Affichage de la scène
mainScene.DrawScene();
}
public abstract V3 GetDirection(V3 point);
public void setDirection(V3 pDirection)
{
this.direction = pDirection;
}
public abstract V3 getDirection(V3 PositionObjet);
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);
}
public abstract Couleur DrawPoint(Couleur C_ambiant, List<Lampe> lampList, V3 camera, V3 R, bool[] occs);