void testConstruct( void )
{
Vector3d a(1,2,3);
Vector3d b(4,6,8);
BoundingBox3d3f bb(a,b);
TS_ASSERT_EQUALS(bb.min(),a);
TS_ASSERT_EQUALS(bb.max(),b);
TS_ASSERT_EQUALS(bb.across(),Vector3f(3,4,5));
BoundingBox3f3f bba(bb);
TS_ASSERT_EQUALS(Vector3f(bb.min()),bba.min());
TS_ASSERT_EQUALS(Vector3f(bb.max()),bba.max());
}
void
SoXipMenuBase::GLRender( SoGLRenderAction* action )
{
if( on.getValue() == FALSE )
return ;
// Compute the 3D position of the menu, given the mouse 2D position
saveViewInformation( action );
mMenuOffset->translation.setValue( mPlaneProj->project( position.getValue() ) );
SoGetBoundingBoxAction bba( action->getViewportRegion() );
bba.apply( mMenuSeparator );
SbBox3f bbox = bba.getBoundingBox();
bbox.transform( mModelMatrix );
float viewportAR = mViewport.getViewportAspectRatio();
SbVec3f screenOffset(0, 0, 0);
if( viewportAR < 1. )
{
screenOffset[0] = bbox.getMax()[0] - 1.;
screenOffset[1] = bbox.getMax()[1] - 1. / viewportAR;
}
else
{
screenOffset[0] = bbox.getMax()[0] - viewportAR;
screenOffset[1] = bbox.getMax()[1] - 1;
}
if( screenOffset[0] < 0 )
screenOffset[0] = 0;
if( screenOffset[1] < 0 )
screenOffset[1] = 0;
SbVec3f worldOffset;
mModelMatrix.inverse().multVecMatrix( screenOffset, worldOffset );
mMenuOffset->translation.setValue( mMenuOffset->translation.getValue() - worldOffset );
glPushAttrib( GL_ENABLE_BIT );
glDisable( GL_DEPTH_TEST );
SoXipKit::GLRender( action );
glPopAttrib();
}
void testMerge ( void )
{
Vector3d a(1,2,3);
Vector3d b(4,6,8);
BoundingBox3d3f bba(a,b);
Vector3d aB(0,1,2);
Vector3d bB(3,4,5);
BoundingBox3d3f bbb(aB,bB);
BoundingBox3d3f bb=bba;
bb.mergeIn(bbb);
BoundingBox3d3f bbc=bbb;
bbc.mergeIn(bba);
TS_ASSERT_EQUALS(bb.min(),bbb.min());
TS_ASSERT_EQUALS(bb.max(),bba.max());
TS_ASSERT_EQUALS(bbc.min(),bbb.min());
TS_ASSERT_EQUALS(bbc.max(),bba.max());
}
static SoSeparator *
setUpGraph(const SbViewportRegion &vpReg,
SoInput *sceneInput,
Options &options)
//
//////////////////////////////////////////////////////////////
{
// Create a root separator to hold everything. Turn
// caching off, since the transformation will blow
// it anyway.
SoSeparator *root = new SoSeparator;
root->ref();
root->renderCaching = SoSeparator::OFF;
// Add a camera to view the scene
SoPerspectiveCamera *camera = new SoPerspectiveCamera;
root->addChild(camera);
// Add a transform node to spin the scene
SoTransform *sceneTransform = new SoTransform;
sceneTransform->setName(SCENE_XFORM_NAME);
root->addChild(sceneTransform);
// Read and add input scene graph
SoSeparator *inputRoot = SoDB::readAll(sceneInput);
if (inputRoot == NULL) {
fprintf(stderr, "Cannot read scene graph\n");
root->unref();
exit(1);
}
root->addChild(inputRoot);
SoPath *path;
SoGroup *parent, *group;
SoSearchAction act;
// expand out all File nodes and replace them with groups
// containing the children
SoFile *fileNode;
act.setType(SoFile::getClassTypeId());
act.setInterest(SoSearchAction::FIRST);
act.apply(inputRoot);
while ((path = act.getPath()) != NULL) {
fileNode = (SoFile *) path->getTail();
path->pop();
parent = (SoGroup *) path->getTail();
group = fileNode->copyChildren();
if (group) {
parent->replaceChild(fileNode, group);
// apply action again and continue
act.apply(inputRoot);
}
}
// expand out all node kits and replace them with groups
// containing the children
SoBaseKit *kitNode;
SoChildList *childList;
act.setType(SoBaseKit::getClassTypeId());
act.setInterest(SoSearchAction::FIRST);
act.apply(inputRoot);
while ((path = act.getPath()) != NULL) {
kitNode = (SoBaseKit *) path->getTail();
path->pop();
parent = (SoGroup *) path->getTail();
group = new SoGroup;
childList = kitNode->getChildren();
for (int i=0; i<childList->getLength(); i++)
group->addChild((*childList)[i]);
parent->replaceChild(kitNode, group);
act.apply(inputRoot);
}
// check to see if there are any lights
// if no lights, add a directional light to the scene
act.setType(SoLight::getClassTypeId());
act.setInterest(SoSearchAction::FIRST);
act.apply(inputRoot);
if (act.getPath() == NULL) { // no lights
SoDirectionalLight *light = new SoDirectionalLight;
root->insertChild(light, 1);
}
else
options.hasLights = TRUE;
// check to see if there are any texures in the scene
act.setType(SoTexture2::getClassTypeId());
act.setInterest(SoSearchAction::FIRST);
act.apply(inputRoot);
if (act.getPath() != NULL)
options.hasTextures = TRUE;
camera->viewAll(root, vpReg);
// print out information about the scene graph
int32_t numTris, numLines, numPoints, numNodes;
countPrimitives( inputRoot, numTris, numLines, numPoints, numNodes );
printf("Number of nodes in scene graph: %d\n", numNodes );
printf("Number of triangles in scene graph: %d\n", numTris );
printf("Number of lines in scene graph: %d\n", numLines );
printf("Number of points in scene graph: %d\n\n", numPoints );
// Make the center of rotation the center of
// the scene
SoGetBoundingBoxAction bba(vpReg);
bba.apply(root);
sceneTransform->center = bba.getBoundingBox().getCenter();
return root;
}
