// called for rendering spheres both and ellipsoids, differing in the scale parameter
void Gl1_Sphere::renderScaledSphere(const shared_ptr<Shape>& shape, const Vector3r& shift, bool wire2, const GLViewInfo& glInfo, const Real& radius, const Vector3r& scaleAxes){
const shared_ptr<Node>& n=shape->nodes[0];
Vector3r dPos=(n->hasData<GlData>()?n->getData<GlData>().dGlPos:Vector3r::Zero());
GLUtils::setLocalCoords(shape->nodes[0]->pos+shift+dPos,shape->nodes[0]->ori);
// for rendering ellipsoid
if(!isnan(scaleAxes[0])) glScalev(scaleAxes);
glClearDepth(1.0f);
glEnable(GL_NORMALIZE);
if(quality>10) quality=10; // insane setting can quickly kill the GPU
Real r=radius*scale;
//glColor3v(CompUtils::mapColor(shape->getBaseColor()));
bool doPoints=(Renderer::fastDraw || quality<0 || (int)(quality*glutSlices)<2 || (int)(quality*glutStacks)<2);
if(doPoints){
if(smooth) glEnable(GL_POINT_SMOOTH);
else glDisable(GL_POINT_SMOOTH);
glPointSize(1.);
glBegin(GL_POINTS);
glVertex3v(Vector3r(0,0,0));
glEnd();
} else if (wire || wire2 ){
glLineWidth(1.);
if(!smooth) glDisable(GL_LINE_SMOOTH);
glutWireSphere(r,quality*glutSlices,quality*glutStacks);
if(!smooth) glEnable(GL_LINE_SMOOTH); // re-enable
}
else {
glEnable(GL_LIGHTING);
glShadeModel(GL_SMOOTH);
glutSolidSphere(r,quality*glutSlices,quality*glutStacks);
#if 0
//Check if quality has been modified or if previous lists are invalidated (e.g. by creating a new qt view), then regenerate lists
bool somethingChanged = (abs(quality-prevQuality)>0.001 || glIsList(glStripedSphereList)!=GL_TRUE);
if (somethingChanged) {initStripedGlList(); initGlutGlList(); prevQuality=quality;}
glScalef(r,r,r);
if(stripes) glCallList(glStripedSphereList);
else glCallList(glGlutSphereList);
#endif
}
return;
}
void Gl1_Sphere::go(const shared_ptr<Shape>& cm, const shared_ptr<State>& ,bool wire2, const GLViewInfo&)
{
glClearDepth(1.0f);
glEnable(GL_NORMALIZE);
Real r=(static_cast<Sphere*>(cm.get()))->radius;
glColor3v(cm->color);
if (circleView) {
bool somethingChanged = (std::abs(quality-prevQuality)>0.001 || prevDisplayMode!="torus" || prevCircleAllowedRotationAxis!=circleAllowedRotationAxis);
if (somethingChanged) {
prevCircleAllowedRotationAxis=circleAllowedRotationAxis;
prevDisplayMode="torus";
glDeleteLists(glGlutSphereList,1);
glGlutSphereList = glGenLists(1);
glNewList(glGlutSphereList,GL_COMPILE);
glEnable(GL_LIGHTING);
glShadeModel(GL_SMOOTH);
switch (tolower(circleAllowedRotationAxis)) { //rotate the torus according to the axis from which we want to look at it.
case 'z':break; //Initial torus axis is z, nothing to do
case 'x':glRotatef(90,0,1,0);break;
case 'y':glRotatef(90,1,0,0);break;
default:cerr<<"Error in Gl1_Sphere::go, circleAllowedRotationAxis should be \"x\", \"y\" or \"z\"."<<endl;
}
glutSolidTorus(0.5*circleRelThickness*r,r*(1.0-circleRelThickness/2.),quality*glutStacks,quality*glutSlices); //generate torus
glEndList();
}
glCallList(glGlutSphereList);
}
else if (wire || wire2) glutWireSphere(r,quality*glutSlices,quality*glutStacks);
else {
//Check if quality has been modified or if previous lists are invalidated (e.g. by creating a new qt view), then regenerate lists
bool somethingChanged = (std::abs(quality-prevQuality)>0.001 || glIsList(glStripedSphereList)!=GL_TRUE || prevDisplayMode!="sphere");
if (somethingChanged) {initStripedGlList(); initGlutGlList(); prevQuality=quality;prevDisplayMode="sphere";}
glScalef(r,r,r);
if(stripes) glCallList(glStripedSphereList);
else glCallList(glGlutSphereList);
}
return;
}
