// This function creates a cylinder similarly to the teapot
// and the torus above. This time the cylinder is trimmed with
// a circle defined by 9 square-based control points to show
// an example of defining a circle without using infinite control
// points (see [Piegl and Tiller], pp. 299, Ex7.2 (Figure 7.16)) as
// well as to show how to define a rational trimming curve.
NodePtr makeTrimmedCylinder()
{
SimpleMaterialPtr cylmat = SimpleMaterial::create();
beginEditCP(cylmat);
{
cylmat->setDiffuse( Color3f(0.0, 0.8, 0.7));
cylmat->setAmbient( Color3f(0.2, 0.2, 0.2));
cylmat->setEmission( Color3f(0.02, 0.02, 0.02) );
cylmat->setSpecular( Color3f(0.78, 0.78, 0.78) );
cylmat->setShininess( 128 );
cylmat->addChunk(g_fb_chunk);
}
endEditCP(cylmat);
float knots4[4] = {0, 0, 1, 1};
float knots_circle[8] = {0, 0, 0, 0.5, 0.5, 1, 1, 1};
float knots_outertrim[7] = {0, 0, 1, 2, 3, 4, 4};
float knots_trimcircle[12] = {0, 0, 0, 0.25, 0.25, 0.5,
0.5, 0.75, 0.75, 1, 1, 1
};
float cylcps[10][4] = {
{ 1.00, 0, -.50, 1},
{ 1.00, 0, .50, 1},
{ 0, 1.00, 0, 0},
{ 0, 1.00, 0, 0},
{-1.00, 0, -.50, 1},
{-1.00, 0, .50, 1},
{ 0, -1.00, 0, 0},
{ 0, -1.00, 0, 0},
{ 1.00, 0, -.50, 1},
{ 1.00, 0, .50, 1},
};
float outertrim_cps[5][2] = {
{0, 0},
{1, 0},
{1, 1},
{0, 1},
{0, 0},
};
float trimcircle_cps[9][3] = {
{0.541667, 0.5, 1},
{0.383016, 0.235702, 0.707107},
{0.5, 0.333333, 1},
{0.324091, 0.235702, 0.707107},
{0.458333, 0.5, 1},
{0.324091, 0.471405, 0.707107},
{0.5, 0.666667, 1},
{0.383016, 0.471405, 0.707107},
{0.541667, 0.5, 1},
};
NodePtr cylnode = makeSurface(10, cylcps, 2, 1, 8, knots_circle,
4, knots4, 0.001, cylmat);
SurfacePtr s = SurfacePtr::dcast(cylnode->getCore());
// add outer trimming around the domain
addTrimCurve(s, 5, outertrim_cps, 1, 7, knots_outertrim, true);
// add inside circle trimming
addTrimCurve(s, 9, trimcircle_cps, 2, 12, knots_trimcircle, true);
return cylnode;
}
GeometryPtr createGeo(UInt32 mat)
{
GeoIndicesPtr ind = _ind[mat];
FDEBUG(("CreateGeoRec::createGeo: Mat %d: %d inds (%d tris)\n",
mat, ind->getSize(), ind->getSize()/3));
endEditCP(ind);
GeometryPtr geo = Geometry::create();
GeoPLengthsUI32Ptr len = GeoPLengthsUI32::create();
beginEditCP(len);
len->push_back(ind->getSize());
endEditCP(len);
GeoPTypesUI8Ptr typ = GeoPTypesUI8::create();
beginEditCP(typ);
typ->push_back(GL_TRIANGLES);
endEditCP(typ);
beginEditCP(geo);
if(random_color)
{
SimpleMaterialPtr mat = SimpleMaterial::create();
beginEditCP(mat);
Color3f c( drand48() * .7f + .3f,
drand48() * .7f + .3f,
drand48() * .7f + .3f);
mat->setDiffuse(c);
mat->setSpecular(Color3f(1.f,1.f,1.f));
mat->setShininess(10.f);
endEditCP(mat);
geo->setMaterial(mat);
}
else
{
geo->setMaterial(MaterialPool::getMaterial(mat));
}
geo->setPositions(_pos);
geo->setIndices(ind);
geo->setLengths(len);
geo->setTypes(typ);
geo->getIndexMapping().push_back(Geometry::MapPosition);
endEditCP(geo);
calcVertexNormals(geo);
//calcFaceNormals(geo);
createSingleIndex(geo);
return geo;
}
// This function creates a torus from a single NURBS surface
// using only 25 control points (of which 12 are unique).
// Similarly to the teapot, this uses the half-circle
// constructed from 3 control points (of which the middle point
// is infinite) which is then mirrored to form a full circle.
// (See the NURBS book [Piegl and Tiller], pp. 296, Ex7.1 (Figure 7.15)
// for details on the half-circle.)
NodePtr makeTorus()
{
SimpleMaterialPtr torusmat = SimpleMaterial::create();
beginEditCP(torusmat);
{
torusmat->setDiffuse( Color3f(1.0, 0.0, 0.2));
torusmat->setAmbient( Color3f(0.2, 0.2, 0.2));
torusmat->setEmission( Color3f(0.02, 0.02, 0.02) );
torusmat->setSpecular( Color3f(0.78, 0.78, 0.78) );
torusmat->setShininess( 128 );
torusmat->addChunk(g_fb_chunk);
}
endEditCP(torusmat);
float knots_circle[8] = {0, 0, 0, 0.5, 0.5, 1, 1, 1};
float toruscps[25][4] = {
{ 1.00, 0, .75, 1}, //
{ .25, 0, 0, 0}, //
{ 1.00, 0, 1.25, 1}, //
{ -.25, 0, 0, 0}, //
{ 1.00, 0, .75, 1},
{ 0, 1.00, 0, 0}, //
{ 0, .25, 0, 0}, //
{ 0, 1.00, 0, 0},
{ 0, -.25, 0, 0}, //
{ 0, 1.00, 0, 0},
{-1.00, 0, .75, 1}, //
{ -.25, 0, 0, 0}, //
{-1.00, 0, 1.25, 1}, //
{ .25, 0, 0, 0}, //
{-1.00, 0, .75, 1},
{ 0, -1.00, 0, 0}, //
{ 0, -.25, 0, 0},
{ 0, -1.00, 0, 0},
{ 0, .25, 0, 0},
{ 0, -1.00, 0, 0},
{ 1.00, 0, .75, 1},
{ .25, 0, 0, 0},
{ 1.00, 0, 1.25, 1},
{ -.25, 0, 0, 0},
{ 1.00, 0, .75, 1},
};
NodePtr torus = makeSurface(25, toruscps, 2, 2, 8, knots_circle,
8, knots_circle, 0.005, torusmat);
return torus;
}
void CharacterModel::convertMaterials(std::string configfile)
{
getMaterials().clear();
UInt32 mcnt = 0;
PathHandler ph;
ph.setBaseFile(configfile.c_str());
for(int mid = 0; mid < _coreModel->getCoreMaterialCount(); mid++)
{
CalCoreMaterial *coremat = _coreModel->getCoreMaterial(mid);
SimpleMaterialPtr mat = SimpleMaterial::create();
beginEditCP(mat);
CalCoreMaterial::Color &calamb = coremat->getAmbientColor();
CalCoreMaterial::Color &caldif = coremat->getDiffuseColor();
CalCoreMaterial::Color &calspec = coremat->getSpecularColor();
mat->setAmbient(Color3f(calamb.red / 255.0f, calamb.green / 255.0f, calamb.blue / 255.0f));
mat->setDiffuse(Color3f(caldif.red / 255.0f, caldif.green / 255.0f, caldif.blue / 255.0f));
mat->setSpecular(Color3f(calspec.red / 255.0f, calspec.green / 255.0f, calspec.blue / 255.0f));
mat->setShininess(coremat->getShininess() * 100.f);
mat->setLit(true);
mat->setColorMaterial(GL_NONE);
for(int mapId = 0; mapId < coremat->getMapCount(); mapId++)
{
std::string file = coremat->getMapFilename(mapId);
std::string pfile = ph.findFile(file.c_str());
SINFO << "Loading texture '" << pfile << "'..." << endLog;
ImagePtr img = Image::create();
if(!img->read(pfile.c_str()))
{
SWARNING << "CharacterModel::convertMaterials: error "
<< "loading image " << file << endLog;
}
else
{
// amz with my test scene paladin.cfg all textures were
// upside down so I disabled the vertical flipping perhaps
// they fixed the bug in Cal3D?
#if 0
beginEditCP(img);
{
// For some reason Cal3D expects textures upside down ???
UInt32 bpl = img->getBpp() * img->getWidth();
UChar8 *t = img->getData(),
*b = t + (img->getHeight() - 1) * bpl,
dum;
for(UInt32 y = img->getHeight() / 2; y > 0; --y)
{
for(UInt32 x = bpl; x > 0; --x, ++t, ++b)
{
dum = *t;
*t = *b;
*b = dum;
}
b -= bpl * 2;
}
}
endEditCP(img);
#endif
TextureChunkPtr tex = TextureChunk::create();
beginEditCP(tex);
tex->setImage(img);
tex->setEnvMode(GL_MODULATE);
endEditCP(tex);
mat->addChunk(tex);
}
}
endEditCP(mat);
coremat->setUserData((Cal::UserData)mcnt);
getMaterials().push_back(mat);
mcnt ++;
}
}
int main(int argc, char** argv)
{
std::cout << "osgInit()..." << std::endl;
osgInit( argc, argv );
std::cout << "glutInit()..." << std::endl;
glutInit( &argc, argv );
glutInitDisplayMode( GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE );
int winID = glutCreateWindow("OpenSG");
glutKeyboardFunc(key);
glutVisibilityFunc(vis);
glutReshapeFunc(resize);
glutDisplayFunc(display);
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutIdleFunc(display);
glEnable( GL_DEPTH_TEST );
glEnable( GL_LIGHTING );
glEnable( GL_LIGHT0 );
glClearColor( .3, .3, .8, 1 );
std::cout << "Creating objects..." << std::endl;
//BEACON
NodePtr beaconNode = Node::create();
GroupPtr beaconCore = Group::create();
beginEditCP( beaconNode );
beaconNode->setCore( beaconCore );
endEditCP( beaconNode );
/*
//LIGHT
NodePtr dlightNode = Node::create();
DirectionalLightPtr dlightCore = DirectionalLight::create();
beginEditCP(dlightNode);
dlightNode->setCore(dlightCore);
endEditCP(dlightNode);
beginEditCP(dlightCore);
dlightCore->setAmbient( .3, .3, .3, 1 );
dlightCore->setDiffuse( .5, .5, .5, 1 );
dlightCore->setDirection( 0, 0 , 1 );
dlightCore->setBeacon( beaconNode );
endEditCP(dlightCore);
*/
//TRANSFORM
NodePtr transNode = Node::create();
TransformPtr transCore = Transform::create();
beginEditCP( transNode );
transNode->setCore( transCore );
transNode->addChild( beaconNode );
endEditCP( transNode );
cam_trans = transCore;
//LOD
NodePtr lowDetailNode = makeBox( 1,1,1, 1,1,1 );
GeometryPtr boxCore = GeometryPtr::dcast(lowDetailNode->getCore());
SimpleMaterialPtr lowDetailMat = SimpleMaterial::create();
lowDetailMat->setDiffuse( Color3f( 1,0,0 ) );
lowDetailMat->setAmbient( Color3f( 1,0,0 ) );
boxCore->setMaterial( lowDetailMat );
NodePtr medDetailNode = makeSphere( 1, 1 );
GeometryPtr medSphereCore = GeometryPtr::dcast(medDetailNode->getCore());
SimpleMaterialPtr medDetailMat = SimpleMaterial::create();
medDetailMat->setDiffuse( Color3f( 0,1,0 ) );
medDetailMat->setAmbient( Color3f( 0,1,0 ) );
medSphereCore->setMaterial( medDetailMat );
NodePtr highDetailNode = makeSphere( 2, 1 );
GeometryPtr highSphereCore = GeometryPtr::dcast(highDetailNode->getCore());
SimpleMaterialPtr highDetailMat = SimpleMaterial::create();
highDetailMat->setDiffuse( Color3f( 0,0,1 ) );
highDetailMat->setAmbient( Color3f( 0,0,1 ) );
highDetailMat->setSpecular( Color3f(1, 1, 1) );
highDetailMat->setShininess( 10 );
highSphereCore->setMaterial( highDetailMat );
NodePtr lodNode = Node::create();
DistanceLODPtr lodNodeCore = DistanceLOD::create();
beginEditCP(lodNode);
lodNode->setCore(lodNodeCore);
lodNode->addChild( highDetailNode );
lodNode->addChild( medDetailNode );
lodNode->addChild( lowDetailNode );
endEditCP(lodNode);
beginEditCP(lodNodeCore);
lodNodeCore->editSFCenter()->setValue( Pnt3f(0, 0, 2) );
lodNodeCore->editMFRange()->push_back( 4.0 );
lodNodeCore->editMFRange()->push_back( 8.0 );
lodNodeCore->editMFRange()->push_back( 11.0 );
endEditCP(lodNodeCore);
//TRANSFORM LOD
NodePtr transLODNode = Node::create();
TransformPtr transLODCore = Transform::create();
transMat.setTranslate( 1, -1, -1 );
beginEditCP(transLODCore);
transLODCore->editSFMatrix()->setValue( transMat );
endEditCP(transLODCore);
beginEditCP( transLODNode );
transLODNode->setCore( transLODCore );
transLODNode->addChild( lodNode );
endEditCP( transLODNode );
//ROOT
root = Node::create();
GroupPtr rootCore = Group::create();
beginEditCP(root);
root->setCore(rootCore);
root->addChild(transNode);
root->addChild(transLODNode);
endEditCP(root);
camera = PerspectiveCamera::create();
beginEditCP(camera);
camera->setBeacon( beaconNode );
camera->setFov( deg2rad(90) );
camera->setNear( 0.1 );
camera->setFar( 10000 );
endEditCP(camera);
SolidBackgroundPtr background = SolidBackground::create();
viewp = Viewport::create();
beginEditCP(viewp);
viewp->setCamera( camera );
viewp->setBackground( background );
viewp->setRoot( root );
viewp->setSize( 0,0, 1,1 );
endEditCP(viewp);
GLint glVP[4];
glGetIntegerv( GL_VIEWPORT, glVP );
GLUTWindowPtr gwin = GLUTWindow::create();
gwin->setId(winID);
gwin->setSize(glVP[2], glVP[3]);
window = gwin;
beginEditCP(window);
window->addPort( viewp );
window->init();
endEditCP(window);
drAct = DrawAction::create();
Vec3f pos( 0, 0, 3 );
tball.setMode( Trackball::OSGObject );
tball.setStartPosition( pos, true );
tball.setSum( true );
tball.setTranslationMode( Trackball::OSGFree );
glutMainLoop();
return 0;
}
int main(int argc, char **argv)
{
osgInit(argc,argv);
// GLUT init
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
glutCreateWindow("OpenSG");
glutReshapeFunc(reshape);
glutDisplayFunc(display);
glutIdleFunc(display);
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutKeyboardFunc(keyboard);
PassiveWindowPtr pwin=PassiveWindow::create();
pwin->init();
// create the scene
NodePtr scene;
scene = Node::create();
// create the material
// Pass 1: Simple red, shiny, depth-tested
DepthChunkPtr cl1 = DepthChunk::create();
beginEditCP(cl1);
cl1->setEnable(true);
cl1->setFunc(GL_LEQUAL);
endEditCP(cl1);
SimpleMaterialPtr mat = SimpleMaterial::create();
beginEditCP(mat);
mat->setDiffuse(Color3f(1,0,0));
mat->setSpecular(Color3f(.9,.9,.9));
mat->setShininess(30);
mat->setLit(true);
mat->addChunk(cl1);
endEditCP(mat);
// Pass 2: Green unlit, without depth testing
DepthChunkPtr cl2 = DepthChunk::create();
beginEditCP(cl2);
cl2->setEnable(false);
endEditCP(cl2);
SimpleMaterialPtr mat2 = SimpleMaterial::create();
beginEditCP(mat2);
mat2->setDiffuse(Color3f(0,1,0));
mat2->setLit(false);
mat2->setTransparency(.8);
mat2->addChunk(cl2);
endEditCP(mat2);
// Bring them together
MultiPassMaterialPtr mpm = MultiPassMaterial::create();
beginEditCP(mpm);
mpm->editMFMaterials()->push_back(mat);
mpm->editMFMaterials()->push_back(mat2);
endEditCP(mpm);
GeometryPtr g1 = makeTorusGeo(0.2, 2, 8, 16);
beginEditCP(scene);
scene->setCore(g1);
endEditCP(scene);
beginEditCP(g1);
g1->setMaterial(mpm);
endEditCP(g1);
// create the SimpleSceneManager helper
mgr = new SimpleSceneManager;
// create the window and initial camera/viewport
mgr->setWindow(pwin );
// tell the manager what to manage
mgr->setRoot (scene);
// show the whole scene
mgr->showAll();
mgr->redraw();
// GLUT main loop
glutMainLoop();
return 0;
}
NodePtr createScenegraph(){
//At first we load all needed models from file
NodePtr w_high = SceneFileHandler::the().read("data/woman_high.wrl");
NodePtr w_medium = SceneFileHandler::the().read("data/woman_medium.wrl");
NodePtr w_low = SceneFileHandler::the().read("data/woman_low.wrl");
//we check the result
if ((w_high == NullFC)&&(w_medium == NullFC)&&(w_low == NullFC)){
std::cout << "It was not possible to load all needed models from file" << std::endl;
return NullFC;
}
//now the LOD core
DistanceLODPtr lod = DistanceLOD::create();
beginEditCP(lod, DistanceLOD::CenterFieldMask | DistanceLOD::RangeFieldMask);
lod->getSFCenter()->setValue(Pnt3f(0,0,0));
lod->getMFRange()->push_back(200);
lod->getMFRange()->push_back(500);
endEditCP(lod, DistanceLOD::CenterFieldMask | DistanceLOD::RangeFieldMask);
//the node containing the LOD core. The three models will be
//added as its children
NodePtr lodNode = Node::create();
beginEditCP(lodNode);
lodNode->setCore(lod);
lodNode->addChild(w_high);
lodNode->addChild(w_medium);
lodNode->addChild(w_low);
endEditCP(lodNode);
//create the node with switch core ********************
SwitchPtr sw = Switch::create();
beginEditCP(sw, Switch::ChoiceFieldMask);
//Notice: the first choice is 0
sw->setChoice(0);
endEditCP(sw, Switch::ChoiceFieldMask);
NodePtr switchNode = Node::create();
beginEditCP(switchNode);
switchNode->setCore(sw);
switchNode->addChild(lodNode);
endEditCP(switchNode);
//end witch creation **********************************
NodePtr root = Node::create();
beginEditCP(root);
root->setCore(Group::create());
root->addChild(switchNode);
endEditCP(root);
// we know want to extract the mesh geometry out of the graph
// it is sufficent to pass the model only as root for searching
NodePtr womanGeometry = checkName(w_high);
GeometryPtr geo;
if (womanGeometry != NullFC){
geo = GeometryPtr::dcast(womanGeometry->getCore());
if (geo == NullFC)
std::cout << "Casting failed!" << std::endl;
}else{
std::cout << "No correct geometry node found!" << std::endl;
//create a dummy object
geo = makeBoxGeo(0.5,0.5,0.5,1,1,1);
}
// generating a material *********************************
SimpleMaterialPtr mat = SimpleMaterial::create();
beginEditCP(mat);
mat->setAmbient(Color3f(0.2,0.2,0.2));
mat->setDiffuse(Color3f(0.6,0.3,0.1));
mat->setSpecular(Color3f(1,1,1));
mat->setShininess(0.8);
endEditCP(mat);
beginEditCP(geo, Geometry::MaterialFieldMask);
geo->setMaterial(mat);
endEditCP(geo, Geometry::MaterialFieldMask);
// end material generation *******************************
//new node with "old" geometry core referenced
NodePtr woman = Node::create();
beginEditCP(woman);
woman->setCore(geo);
endEditCP(woman);
//translate it a bit to see both women
NodePtr womanTrans = Node::create();
TransformPtr t = Transform::create();
beginEditCP(t);
Matrix m;
m.setIdentity();
m.setTranslate(Vec3f(0,0,200));
t->setMatrix(m);
endEditCP(t);
beginEditCP(womanTrans);
womanTrans->setCore(t);
womanTrans->addChild(woman);
endEditCP(womanTrans);
//add it to the root
beginEditCP(root);
root->addChild(womanTrans);
endEditCP(root);
return root;
}
int main (int argc, char **argv)
{
osgInit(argc,argv);
// GLUT init
glutInit(&argc, argv);
glutInitDisplayMode( GLUT_RGBA | GLUT_DEPTH | GLUT_DOUBLE);
int winid = glutCreateWindow("OpenSG");
glutKeyboardFunc(key);
glutVisibilityFunc(vis);
glutReshapeFunc(reshape);
glutDisplayFunc(display);
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutIdleFunc(display);
// glPolygonMode( GL_FRONT_AND_BACK, GL_LINE );
glEnable( GL_DEPTH_TEST );
glEnable( GL_LIGHTING );
glEnable( GL_LIGHT0 );
// OSG
SceneFileHandler::the().print();
// create the graph
// beacon for camera and light
NodePtr b1n = Node::create();
GroupPtr b1 = Group::create();
beginEditCP(b1n);
b1n->setCore( b1 );
endEditCP(b1n);
// transformation
NodePtr t1n = Node::create();
TransformPtr t1 = Transform::create();
beginEditCP(t1n);
t1n->setCore( t1 );
t1n->addChild( b1n );
endEditCP(t1n);
cam_trans = t1;
// light
NodePtr dlight = Node::create();
DirectionalLightPtr dl = DirectionalLight::create();
beginEditCP(dlight);
dlight->setCore( dl );
endEditCP(dlight);
beginEditCP(dl);
dl->setAmbient( .3, .3, .3, 1 );
dl->setDiffuse( 1, 1, 1, 1 );
dl->setDirection(0,0,1);
dl->setBeacon( b1n);
endEditCP(dl);
// root
root = Node::create();
GroupPtr gr1 = Group::create();
beginEditCP(root);
root->setCore( gr1 );
root->addChild( t1n );
root->addChild( dlight );
endEditCP(root);
// Load the file
NodePtr file = NullFC;
NodePtr file1 = NullFC;
if ( argc > 1 )
file1 = SceneFileHandler::the().read(argv[1]);
if ( file1 == NullFC )
{
std::cerr << "Couldn't load file, ignoring" << std::endl;
file1 = makeTorus( .5, 2, 16, 16 );
}
file1->updateVolume();
// file->dump();
// subRefCP(file);
// return 0;
Vec3f min,max;
file1->getVolume().getBounds( min, max );
std::cout << "Volume: from " << min << " to " << max << std::endl;
file = Node::create();
MaterialGroupPtr testMat = MaterialGroup::create();
SimpleMaterialPtr defaultMaterial = SimpleMaterial::create();
beginEditCP(defaultMaterial);
defaultMaterial->setDiffuse(Color3f(1,.0,.0));
defaultMaterial->setAmbient(Color3f(0.1,0.1,0.1));
defaultMaterial->setSpecular(Color3f(1,1,1));
defaultMaterial->setShininess(20);
endEditCP (defaultMaterial);
testMat->setMaterial(defaultMaterial);
beginEditCP(file);
{
// file->setCore(testMat);
file->setCore(Group::create());
file->addChild(file1);
}
endEditCP (file);
scene_trans = Transform::create();
NodePtr sceneTrN = Node::create();
beginEditCP(sceneTrN);
{
sceneTrN->setCore(scene_trans);
sceneTrN->addChild(file);
sceneTrN->addChild(makeTorus( .5, 2, 16, 16 ));
}
endEditCP(sceneTrN);
beginEditCP(dlight);
dlight->addChild(sceneTrN);
endEditCP(dlight);
std::cerr << "Tree: " << std::endl;
// root->dump();
// Camera
cam = PerspectiveCamera::create();
cam->setBeacon( b1n );
cam->setFov( deg2rad( 90 ) );
cam->setNear( 0.1 );
cam->setFar( 100000 );
// Background
SolidBackgroundPtr bkgnd = SolidBackground::create();
beginEditCP(bkgnd, SolidBackground::ColorFieldMask);
bkgnd->setColor(Color3f(1,1,1));
endEditCP(bkgnd, SolidBackground::ColorFieldMask);
// Viewport
vp = Viewport::create();
vp->setCamera( cam );
vp->setBackground( bkgnd );
vp->setRoot( root );
vp->setSize( 0,0, 1,1 );
// Window
std::cout << "GLUT winid: " << winid << std::endl;
GLUTWindowPtr gwin;
GLint glvp[4];
glGetIntegerv( GL_VIEWPORT, glvp );
gwin = GLUTWindow::create();
gwin->setId(winid);
gwin->setSize( glvp[2], glvp[3] );
win = gwin;
win->addPort( vp );
win->init();
// Action
ract = DrawAction::create();
renact = RenderAction::create();
// tball
Vec3f pos;
pos.setValues(min[0] + ((max[0] - min[0]) * 0.5),
min[1] + ((max[1] - min[1]) * 0.5),
max[2] + ( max[2] - min[2] ) * 1.5 );
float scale = (max[2] - min[2] + max[1] - min[1] + max[0] - min[0]) / 6;
Pnt3f tCenter(min[0] + (max[0] - min[0]) / 2,
min[1] + (max[1] - min[1]) / 2,
min[2] + (max[2] - min[2]) / 2);
tball.setMode( Trackball::OSGObject );
tball.setStartPosition( pos, true );
tball.setSum( true );
tball.setTranslationMode( Trackball::OSGFree );
tball.setTranslationScale(scale);
tball.setRotationCenter(tCenter);
// run...
glutMainLoop();
return 0;
}
// This function creates the classic Utah teapot from 4 NURBS
// surfaces: one surface each for the lid, body, handle and spout.
// The "classic" representation is using 18 rational Bezier patches,
// but in order to show the construction of more complex surfaces
// these have been combined into as few NURBS surfaces as possible.
NodePtr makeTeapot()
{
SimpleMaterialPtr teapotmat = SimpleMaterial::create();
beginEditCP(teapotmat);
{
teapotmat->setDiffuse( Color3f(0.8, 0.8, 0.8));
teapotmat->setAmbient( Color3f(0.2, 0.2, 0.2));
teapotmat->setEmission( Color3f(0.02, 0.02, 0.02) );
teapotmat->setSpecular( Color3f(0.78, 0.78, 0.78) );
teapotmat->setShininess( 128 );
teapotmat->addChunk(g_fb_chunk);
}
endEditCP(teapotmat);
NodePtr teapotroot = makeCoredNode<Group>();
float knots11[11] = {0, 0, 0, 0, 0.5, 0.5, 0.5, 1, 1, 1, 1};
float knots14[14] = {0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 3};
float knots_circle[8] = {0, 0, 0, 0.5, 0.5, 1, 1, 1};
float lidcps[35][4] = {
{ 0.0000, 4.0000, 0.0000, 1.0000},
{ 0.0000, 4.0000, 0.8000, 1.0000},
{ 0.0000, 3.6000, 0.0000, 1.0000},
{ 0.0000, 3.4000, 0.2000, 1.0000},
{ 0.0000, 3.2000, 0.4000, 1.0000},
{ 0.0000, 3.2000, 1.3000, 1.0000},
{ 0.0000, 3.0000, 1.3000, 1.0000},
{-0.0000, 0.0000, 0.0000, 0.0000},
{-0.8000, 0.0000, 0.0000, 0.0000},
{-0.0000, 0.0000, 0.0000, 0.0000},
{-0.2000, 0.0000, 0.0000, 0.0000},
{-0.4000, 0.0000, 0.0000, 0.0000},
{-1.3000, 0.0000, 0.0000, 0.0000},
{-1.3000, 0.0000, 0.0000, 0.0000},
{ 0.0000, 4.0000,-0.0000, 1.0000},
{ 0.0000, 4.0000,-0.8000, 1.0000},
{ 0.0000, 3.6000,-0.0000, 1.0000},
{ 0.0000, 3.4000,-0.2000, 1.0000},
{ 0.0000, 3.2000,-0.4000, 1.0000},
{ 0.0000, 3.2000,-1.3000, 1.0000},
{ 0.0000, 3.0000,-1.3000, 1.0000},
{ 0.0000, 0.0000, 0.0000, 0.0000},
{ 0.8000, 0.0000, 0.0000, 0.0000},
{ 0.0000, 0.0000, 0.0000, 0.0000},
{ 0.2000, 0.0000, 0.0000, 0.0000},
{ 0.4000, 0.0000, 0.0000, 0.0000},
{ 1.3000, 0.0000, 0.0000, 0.0000},
{ 1.3000, 0.0000, 0.0000, 0.0000},
{ 0.0000, 4.0000, 0.0000, 1.0000},
{ 0.0000, 4.0000, 0.8000, 1.0000},
{ 0.0000, 3.6000, 0.0000, 1.0000},
{ 0.0000, 3.4000, 0.2000, 1.0000},
{ 0.0000, 3.2000, 0.4000, 1.0000},
{ 0.0000, 3.2000, 1.3000, 1.0000},
{ 0.0000, 3.0000, 1.3000, 1.0000},
};
NodePtr lid = makeSurface(35, lidcps, 2, 3, 8, knots_circle,
11, knots11, 0.005, teapotmat);
float bodycps[50][4] = {
{ 0.0000, 3.0000, 1.4000, 1.0000},
{ 0.0000, 3.1750, 1.3375, 1.0000},
{ 0.0000, 3.1750, 1.4375, 1.0000},
{ 0.0000, 3.0000, 1.5000, 1.0000},
{ 0.0000, 2.3000, 1.7500, 1.0000},
{ 0.0000, 1.6000, 2.0000, 1.0000},
{ 0.0000, 1.0000, 2.0000, 1.0000},
{ 0.0000, 0.4000, 2.0000, 1.0000},
{ 0.0000, 0.2000, 1.5000, 1.0000},
{ 0.0000, 0.0000, 1.5000, 1.0000},
{-1.4000, 0.0000, 0.0000, 0.0000},
{-1.3375, 0.0000, 0.0000, 0.0000},
{-1.4375, 0.0000, 0.0000, 0.0000},
{-1.5000, 0.0000, 0.0000, 0.0000},
{-1.7500, 0.0000, 0.0000, 0.0000},
{-2.0000, 0.0000, 0.0000, 0.0000},
{-2.0000, 0.0000, 0.0000, 0.0000},
{-2.0000, 0.0000, 0.0000, 0.0000},
{-1.5000, 0.0000, 0.0000, 0.0000},
{-1.5000, 0.0000, 0.0000, 0.0000},
{ 0.0000, 3.0000,-1.4000, 1.0000},
{ 0.0000, 3.1750,-1.3375, 1.0000},
{ 0.0000, 3.1750,-1.4375, 1.0000},
{ 0.0000, 3.0000,-1.5000, 1.0000},
{ 0.0000, 2.3000,-1.7500, 1.0000},
{ 0.0000, 1.6000,-2.0000, 1.0000},
{ 0.0000, 1.0000,-2.0000, 1.0000},
{ 0.0000, 0.4000,-2.0500, 1.0000},
{ 0.0000, 0.2000,-1.5000, 1.0000},
{ 0.0000, 0.0000,-1.5000, 1.0000},
{ 1.4000, 0.0000, 0.0000, 0.0000},
{ 1.3375, 0.0000, 0.0000, 0.0000},
{ 1.4375, 0.0000, 0.0000, 0.0000},
{ 1.5000, 0.0000, 0.0000, 0.0000},
{ 1.7500, 0.0000, 0.0000, 0.0000},
{ 2.0000, 0.0000, 0.0000, 0.0000},
{ 2.0000, 0.0000, 0.0000, 0.0000},
{ 2.0000, 0.0000, 0.0000, 0.0000},
{ 1.5000, 0.0000, 0.0000, 0.0000},
{ 1.5000, 0.0000, 0.0000, 0.0000},
{ 0.0000, 3.0000, 1.4000, 1.0000},
{ 0.0000, 3.1750, 1.3375, 1.0000},
{ 0.0000, 3.1750, 1.4375, 1.0000},
{ 0.0000, 3.0000, 1.5000, 1.0000},
{ 0.0000, 2.3000, 1.7500, 1.0000},
{ 0.0000, 1.6000, 2.0000, 1.0000},
{ 0.0000, 1.0000, 2.0000, 1.0000},
{ 0.0000, 0.4000, 2.0000, 1.0000},
{ 0.0000, 0.2000, 1.5000, 1.0000},
{ 0.0000, 0.0000, 1.5000, 1.0000},
};
NodePtr body = makeSurface(50, bodycps, 2, 3, 8, knots_circle,
14, knots14, 0.005, teapotmat);
float handlecps[35][4] = {
{ 1.5000, 2.8000, 0.0000, 1.0000},
{ 2.5000, 2.8000, 0.0000, 1.0000},
{ 3.0000, 2.8000, 0.0000, 1.0000},
{ 3.0000, 2.2000, 0.0000, 1.0000},
{ 3.0000, 1.6000, 0.0000, 1.0000},
{ 2.6500, 1.0500, 0.0000, 1.0000},
{ 1.9000, 0.6000, 0.0000, 1.0000},
{ 0.0000, 0.0000, 0.3000, 0.0000},
{ 0.0000, 0.0000, 0.3000, 0.0000},
{ 0.0000, 0.0000, 0.3000, 0.0000},
{ 0.0000, 0.0000, 0.3000, 0.0000},
{ 0.0000, 0.0000, 0.3000, 0.0000},
{ 0.0000, 0.0000, 0.3000, 0.0000},
{ 0.0000, 0.0000, 0.3000, 0.0000},
{ 1.6000, 2.5000, 0.0000, 1.0000},
{ 2.3000, 2.5000, 0.0000, 1.0000},
{ 2.7000, 2.5000, 0.0000, 1.0000},
{ 2.7000, 2.2000, 0.0000, 1.0000},
{ 2.7000, 1.9000, 0.0000, 1.0000},
{ 2.5000, 1.5000, 0.0000, 1.0000},
{ 2.0000, 1.0000, 0.0000, 1.0000},
{ 0.0000, 0.0000,-0.3000, 0.0000},
{ 0.0000, 0.0000,-0.3000, 0.0000},
{ 0.0000, 0.0000,-0.3000, 0.0000},
{ 0.0000, 0.0000,-0.3000, 0.0000},
{ 0.0000, 0.0000,-0.3000, 0.0000},
{ 0.0000, 0.0000,-0.3000, 0.0000},
{ 0.0000, 0.0000,-0.3000, 0.0000},
{ 1.5000, 2.8000, 0.0000, 1.0000},
{ 2.5000, 2.8000, 0.0000, 1.0000},
{ 3.0000, 2.8000, 0.0000, 1.0000},
{ 3.0000, 2.2000, 0.0000, 1.0000},
{ 3.0000, 1.6000, 0.0000, 1.0000},
{ 2.6500, 1.0500, 0.0000, 1.0000},
{ 1.9000, 0.6000, 0.0000, 1.0000},
};
NodePtr handle = makeSurface(35, handlecps, 2, 3, 8, knots_circle,
11, knots11, 0.005, teapotmat);
float spoutcps[35][4] = {
{-1.7000, 0.6000, 0.0000, 1.0000},
{-3.1000, 0.9000, 0.0000, 1.0000},
{-2.4000, 2.6000, 0.0000, 1.0000},
{-3.3000, 3.0000, 0.0000, 1.0000},
{-3.5250, 3.1250, 0.0000, 1.0000},
{-3.4500, 3.1500, 0.0000, 1.0000},
{-3.2000, 3.0000, 0.0000, 1.0000},
{ 0.0000, 0.0000, 0.6600, 0.0000},
{ 0.0000, 0.0000, 0.6600, 0.0000},
{ 0.0000, 0.0000, 0.2500, 0.0000},
{ 0.0000, 0.0000, 0.2500, 0.0000},
{ 0.0000, 0.0000, 0.2500, 0.0000},
{ 0.0000, 0.0000, 0.1500, 0.0000},
{ 0.0000, 0.0000, 0.1500, 0.0000},
{-1.7000, 1.7000, 0.0000, 1.0000},
{-2.6000, 1.7000, 0.0000, 1.0000},
{-2.3000, 2.6000, 0.0000, 1.0000},
{-2.7000, 3.0000, 0.0000, 1.0000},
{-2.8000, 3.1000, 0.0000, 1.0000},
{-2.9000, 3.1000, 0.0000, 1.0000},
{-2.8000, 3.0000, 0.0000, 1.0000},
{ 0.0000, 0.0000,-0.6600, 0.0000},
{ 0.0000, 0.0000,-0.6600, 0.0000},
{ 0.0000, 0.0000,-0.2500, 0.0000},
{ 0.0000, 0.0000,-0.2500, 0.0000},
{ 0.0000, 0.0000,-0.2500, 0.0000},
{ 0.0000, 0.0000,-0.1500, 0.0000},
{ 0.0000, 0.0000,-0.1500, 0.0000},
{-1.7000, 0.6000, 0.0000, 1.0000},
{-3.1000, 0.9000, 0.0000, 1.0000},
{-2.4000, 2.6000, 0.0000, 1.0000},
{-3.3000, 3.0000, 0.0000, 1.0000},
{-3.5250, 3.1250, 0.0000, 1.0000},
{-3.4500, 3.1500, 0.0000, 1.0000},
{-3.2000, 3.0000, 0.0000, 1.0000},
};
NodePtr spout = makeSurface(35, spoutcps, 2, 3, 8, knots_circle,
11, knots11, 0.005, teapotmat);
beginEditCP(teapotroot);
teapotroot->addChild(lid);
teapotroot->addChild(body);
teapotroot->addChild(handle);
teapotroot->addChild(spout);
endEditCP(teapotroot);
return teapotroot;
}