//------------------------------------------------------------------------------
void webcam_t::makePicture()
{
vector_t C = *pos - *G;
GLfloat x = C.x + offset[0]*N->x + offset[1]*T->x;
GLfloat y = C.y + offset[0]*N->y + offset[1]*T->y;
GLfloat z = -z - offset[2];
GLfloat dx = direction[0]*N->x + direction[1]*T->x;
GLfloat dy = direction[0]*N->y + direction[1]*T->y;
GLfloat dz = -direction[2];
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); //Efface le frame buffer et le Z-buffer
glMatrixMode(GL_MODELVIEW); //Choisit la matrice MODELVIEW
glLoadIdentity(); //Réinitialise la matrice
gluLookAt(x,y,z,
x+dx,y+dy,z+dz,
0.,0.,-1.);
make_scene();
}
int main(void) {
scene *sc = make_scene();
png_render(sc, WIDTH, HEIGHT, "dof.png");
return 0;
}
//------------------------------------------------------------------------------
void webcam_t::display()
{
make_scene();
glutSwapBuffers();
}