public override Couleur drawPixel(V3 position)
{
V3 ai = position - this.getPosition();
double la = (this.largeur * ai) / (this.largeur * this.largeur);
double lo = (this.longueur * ai) / (this.longueur * this.longueur);
V3 vectRect = ((float)la * this.largeur) + ((float)lo * this.longueur);
V3 copyVectRect = new V3(vectRect);
copyVectRect.Normalize();
float dhsdu;
float dhsdv;
this.getBump(la, lo, out dhsdu, out dhsdv);
V3 dmsdu = new V3((float)(-1 * Math.Cos(lo) * Math.Sin(la)),
(float)(1 * Math.Cos(lo) * Math.Cos(la)),
0.0f);
V3 dmsdv = new V3((float)(-1 * Math.Sin(lo) * Math.Cos(la)),
(float)(-1 * Math.Sin(lo) * Math.Sin(la)),
(float)(1 * Math.Cos(lo)));
V3 dmpsdu = dmsdu + dhsdu * copyVectRect;
V3 dmpsdv = dmsdv + dhsdv * copyVectRect;
V3 Np = ((dmpsdu ^ dmpsdv) / (dmpsdu ^ dmpsdv).Norm());
V3 vecteurBump = Np;
V3 position_point = this.getPosition() + vectRect;
Couleur vcolor = new Couleur();
foreach (Light light in RenderSing.getCurrentRender().getLight())
{
vcolor += light.applyLight(this, position_point, vecteurBump, this.getColor(la, lo));
}
return(vcolor);
}
public Couleur specular(Object3D b, V3 v, Couleur color_surface)
{
V3 copy_v = new V3(v);
copy_v.Normalize();
V3 copy_pos = new V3(this.direction);
copy_pos.Normalize();
float sca = (copy_pos * copy_v);
V3 v_curent_perfect = (copy_v * sca * 2.0f) - copy_pos;
V3 v_current_oeil = -(v + b.getPosition()) + RenderSing.getCurrentRender().getEyesPosition();
float a = (float)Math.Pow((Math.Max((v_curent_perfect * v_current_oeil) / (v_curent_perfect.Norm() * v_current_oeil.Norm()), 0)), 25);
return(this.couleur * a);
}
public override Couleur applyLight(Object3D enlightmentObject, V3 positionOnScene, V3 normal, Couleur color_surface)
{
foreach (Object3D one in RenderSing.getCurrentRender().getObject())
{
V3 dirN = new V3(direction);
dirN.Normalize();
double t = 0;
if (enlightmentObject != one && one.testColition(positionOnScene, dirN, out t))
{
return(new Couleur(0f, 0f, 0f));
}
}
return(this.diffuse(enlightmentObject, normal, color_surface) +
this.specular(enlightmentObject, normal, color_surface));
}