std::vector<Real3> splitSphericalLineSegment(const Point& start, const Point& end, Real deltaAngle)
{
std::vector<Real3> result;
assert(start.position != -end.position);
auto direction = glm::normalize(glm::cross(start.position, end.position));
float distance = glm::acos(glm::dot(start.position, end.position));
result.push_back(start.position);
for (auto angle=deltaAngle; angle<distance; angle+=deltaAngle)
{
Mat4 rotation = glm::rotate(Mat4(1.0), angle, direction);
Real3 pos = glm::normalize(Real3(rotation * Real4(start.position, 1.0)));
result.push_back(pos);
}
result.push_back(end.position);
return result;
}
void displayTeapot(Camara &cam, Transformacion marco){
//Dibuja la foto de un Cubo con la cam y la pone en t
// Transformacion de la camara
Transformacion rotcam;
Transformacion rotationx, rotationy;
Punto newAT = AT;
rotationx.rotX(rotationX);
rotationy.rotY(rotationY);
newAT = newAT.transform(rotationx);
newAT = newAT.transform(rotationy);
Punto vert = Punto(0.0, 1.0, 0.0);
vert.transform(rotcam);
canon.at(newAT);
canon.lookAt(OR);
canon.setVertical(vert.asVector());
Punto newFR = FR;
newFR = newFR.transform(rotationy);
frontal.at(newFR);
frontal.lookAt(OR);
Punto newPE = PE;
newPE = newPE.transform(rotationy);
perfil.at(newPE);
perfil.lookAt(OR);
Punto newCE = CE;
newCE = newCE.transform(rotationy);
cenital.setVertical(newCE.asVector());
rotationx.reset();
rotationy.reset();
Transformacion t = marco * cam.getview();
//Dibujo de la tetera
Transformacion rot;
rot.rotX(-90);
Transformacion mov;
mov.translation(Real4(0.0, -1.0, 0.0));
for(int k=0;k<32;k++){
S[k].getPoints(NVERT, sb);
S[k].getTangents(NVERT, tgU, tgV);
S[k].getNormals(NVERT, n);
for(int i=0;i<NVERT*NVERT;i++){
sb[i] = sb[i].transform(rot).transform(mov);
sb[i] = cam.shot(sb[i]).transform(marco);
float sup_color[] = {0.5, 0.5, 0.5, 1.0}; //Gris
glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, sup_color);
}
if(inalambrico){
for(int i=0;i<NVERT-1;i++){
for(int j=0;j<NVERT-1;j++){
glBegin(GL_QUADS);
glNormal3f(n[NVERT*i+j].x(),n[NVERT*i+j].y(),n[NVERT*i+j].z());
glVertex3f(sb[NVERT*i+j].x(),sb[NVERT*i+j].y(),sb[NVERT*i+j].z());
glNormal3f(n[NVERT*(i+1)+j].x(),n[NVERT*(i+1)+j].y(),n[NVERT*(i+1)+j].z());
glVertex3f(sb[NVERT*(i+1)+j].x(),sb[NVERT*(i+1)+j].y(),sb[NVERT*(i+1)+j].z());
glNormal3f(n[NVERT*(i+1)+(j+1)].x(),n[NVERT*(i+1)+(j+1)].y(),n[NVERT*(i+1)+(j+1)].z());
glVertex3f(sb[NVERT*(i+1)+(j+1)].x(),sb[NVERT*(i+1)+(j+1)].y(),sb[NVERT*(i+1)+(j+1)].z());
glNormal3f(n[NVERT*i+(j+1)].x(),n[NVERT*i+(j+1)].y(),n[NVERT*i+(j+1)].z());
glVertex3f(sb[NVERT*i+(j+1)].x(),sb[NVERT*i+(j+1)].y(),sb[NVERT*i+(j+1)].z());
glEnd();
};
};
}
else{
for(int i=0;i<NVERT;i++){
glBegin(GL_LINE_STRIP);
for(int j=0;j<NVERT;j++){
glVertex3f( (GLfloat)((sb[i*NVERT+j]).x()),
(GLfloat)((sb[i*NVERT+j]).y()),
(GLfloat)((sb[i*NVERT+j]).z()));
}
glEnd();
}
for(int i=0;i<NVERT;i++){
glBegin(GL_LINE_STRIP);
for(int j=0;j<NVERT;j++){
glVertex3f( (GLfloat)((sb[i+j*NVERT]).x()),
(GLfloat)((sb[i+j*NVERT]).y()),
(GLfloat)((sb[i+j*NVERT]).z()));
}
glEnd();
}
}
}
}
Real4 GetCol(const Matrix4& A, int col) {
col = col*4;
return Real4(A[0+col],A[1+col],A[2+col],A[3+col]) ;
}
Real4 GetRow(const Matrix4& A, int row) {
return Real4(A[0+row],A[4+row],A[8+row],A[12+row]) ;
}
void crear_escena(void) {
Esfera *amarilla, *blanca, *roja, *verde, *azul;
float radio = 0.59673710213f;
// Creamos la escena
if (escena==NULL)
escena = new Escena();
//Esfera
Esfera *esfera = new Esfera(Punto(0,0.1,-2), 0.8);
esfera->setColor(Color(1,0,0), Color(1,1,1), 0.3, 0.3, 0.7, 40);
escena->add(esfera);
//Caja suelo
Transformacion t1;
t1.translation(Real4(0.0, -1.0, -1.5));
t1.scale(2, 0.1, 2);
Caja *cajasuelo = new Caja(t1);
cajasuelo->setColor(Color(1,1,1), Color::BLANCO, 0.1, 0.3, 0.9, 100);
escena->add(cajasuelo);
//Caja cubo
Transformacion t2;
t2.translation(Real4(-1.0, -0.3, -0.3));
t2.rotation(60, Vector(1,1,1));
t2.scale(0.5, 0.5, 0.5);
Caja *cajacubo = new Caja(t2);
cajacubo->setColor(Color(0,1,0), Color::BLANCO, 0.1, 0.8, 0.1, 1);
escena->add(cajacubo);
// Esfera blanca (detrás)
/*blanca = new Esfera(Punto(0.0f, 0.0f, -2.0f), radio);
blanca->setColor(Color::BLANCO);
escena->add(blanca);*/
// Esfera amarilla (NO)
/*amarilla = new Esfera(Punto(-radio, radio,0.0f),radio);
amarilla->setColor(Color::VERDE+Color::ROJO);
escena->add(amarilla);*/
// Esfera roja (SO)
/*roja = new Esfera(Punto(-radio,-radio,0.0f), radio);
roja->setColor(Color::ROJO);
escena->add(roja);
// Esfera azul (SE)
/*azul = new Esfera(Punto(radio, -radio,0.0f), radio);
azul->setColor(Color::AZUL);
escena->add(azul);/*
// Esfera verde (NE)
/*verde = new Esfera(Punto(radio, radio, 0.0f), radio);
verde->setColor(Color::VERDE);
escena->add(verde);*/
/*Transformacion t1;
//t1.translation(Real4(2,2,2,0));
t1.rotation(30, Vector(0,1,0));
t1.rotation(-15, Vector(1,0,0));
t1.scale(0.5, 0.4, 0.3);
Caja *cajaverde = new Caja(t1);
cajaverde->setColor(Color::VERDE);
escena->add(cajaverde);*/
//escena->add(amarilla);
/*for(int i=0;i<6;i++){
for(int j=0;j<4;j++){
printf("%.2f %.2f ", cajaverde->caras[i].vertices[j].x(), cajaverde->caras[i].vertices[j].y());
}
printf("\n");
}*/
}
