Geode* createTextureQuad(Texture2D *texture)
{
Vec3Array *vertices = new Vec3Array;
vertices->push_back(Vec3(-1.0, -1.0, 0.0));
vertices->push_back(Vec3(1.0, -1.0, 0.0));
vertices->push_back(Vec3(1.0, 1.0, 0.0));
vertices->push_back(Vec3(-1.0, 1.0, 0.0));
Vec2Array *texcoord = new Vec2Array;
texcoord->push_back(Vec2(0.0, 0.0));
texcoord->push_back(Vec2(1.0, 0.0));
texcoord->push_back(Vec2(1.0, 1.0));
texcoord->push_back(Vec2(0.0, 1.0));
Geometry *geom = new Geometry;
geom->setVertexArray(vertices);
geom->setTexCoordArray(0, texcoord);
geom->addPrimitiveSet(new DrawArrays(GL_QUADS, 0, 4));
Geode *geode = new Geode;
geode->addDrawable(geom);
geode->getOrCreateStateSet()->setTextureAttributeAndModes(0, texture, StateAttribute::ON);
return geode;
}
void Marker::init(GeometryType gt, Interaction *interaction, float size, Vec4 &color)
{
Geode *geode;
_gt = gt;
if (_gt == CONE)
geode = createCone(color);
else if (_gt == BOX)
geode = createBox(color);
else
geode = createSphere(color);
setSize(size);
setColor(color);
// Make sure lighting is correct when marker is scaled:
StateSet *stateSet = geode->getOrCreateStateSet();
stateSet->setMode(GL_RESCALE_NORMAL, StateAttribute::ON);
//stateSet->setMode(GL_LIGHTING, osg::StateAttribute::OFF); // Philip added this else the color is not visible in opencover
_interaction = interaction;
_node->addChild(geode);
if (_interaction)
_interaction->addListener(this, this);
_interactionA = new vrui::coTrackerButtonInteraction(vrui::coInteraction::ButtonA, "MarkerMove", vrui::coInteraction::Medium);
_interactionB = NULL;
assert(_interactionA);
}
/***************************************************************
* Function: createText()
***************************************************************/
Geode *CAVEGroupReferenceAxis::createText3D(osgText::Text3D **text)
{
Geode *textGeode = new Geode;
*text = new osgText::Text3D;
textGeode->addDrawable(*text);
(*text)->setFont(CAVEGeode::getDataDir() + "Fonts/TN.ttf");
(*text)->setCharacterSize(gCharSize, 0.7);
(*text)->setCharacterDepth(gCharDepth);
(*text)->setPosition(Vec3(0, 0, 0));
(*text)->setAlignment(osgText::Text3D::CENTER_BOTTOM);
(*text)->setDrawMode(osgText::Text3D::TEXT);
(*text)->setAxisAlignment(osgText::Text3D::XZ_PLANE);
(*text)->setRenderMode(osgText::Text3D::PER_GLYPH);
(*text)->setText("");
Material *material = new Material;
material->setDiffuse(Material::FRONT_AND_BACK, Vec4(0, 1, 0, 1));
material->setAmbient(Material::FRONT_AND_BACK, Vec4(0, 1, 0, 1));
material->setAlpha(Material::FRONT_AND_BACK, 1.0f);
StateSet *stateset = textGeode->getOrCreateStateSet();
stateset->setAttributeAndModes(material, StateAttribute::OVERRIDE | StateAttribute::ON);
stateset->setMode(GL_BLEND, StateAttribute::OVERRIDE | StateAttribute::ON );
stateset->setRenderingHint(StateSet::TRANSPARENT_BIN);
return textGeode;
}
Geode* ChessUtils::createRectangleWithTexture(Vec3 centerPosition, Image* image, int width, int height, Vec4 color) {
int halfWidth = width / 2;
int halfHeight = height / 2;
Vec3Array* vertices = new Vec3Array();
vertices->push_back(Vec3(centerPosition.x() - halfWidth, centerPosition.y() - halfHeight, centerPosition.z()));
vertices->push_back(Vec3(centerPosition.x() + halfWidth, centerPosition.y() - halfHeight, centerPosition.z()));
vertices->push_back(Vec3(centerPosition.x() + halfWidth, centerPosition.y() + halfHeight, centerPosition.z()));
vertices->push_back(Vec3(centerPosition.x() - halfWidth, centerPosition.y() + halfHeight, centerPosition.z()));
Vec3Array* normals = new Vec3Array();
normals->push_back(Vec3(0.0f, 0.0f, 1.0f));
Vec2Array* texcoords = new Vec2Array();
texcoords->push_back(Vec2(0.0f, 0.0f));
texcoords->push_back(Vec2(1.0f, 0.0f));
texcoords->push_back(Vec2(1.0f, 1.0f));
texcoords->push_back(Vec2(0.0f, 1.0f));
Vec4Array* colors = new Vec4Array();
colors->push_back(color);
Geometry* quad = new Geometry();
quad->setVertexArray(vertices);
quad->setNormalArray(normals);
quad->setNormalBinding(osg::Geometry::BIND_OVERALL);
quad->setColorArray(colors);
quad->setColorBinding(osg::Geometry::BIND_OVERALL);
quad->setTexCoordArray(0, texcoords);
quad->addPrimitiveSet(new osg::DrawArrays(GL_QUADS, 0, 4));
Texture2D* texture = new Texture2D();
if (image != NULL) {
texture->setImage(image);
}
Geode* geode = new Geode();
geode->addDrawable(quad);
osg::BlendFunc* blendFunc = new osg::BlendFunc();
blendFunc->setFunction(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
osg::TexEnv* blendTexEnv = new osg::TexEnv();
blendTexEnv->setMode(osg::TexEnv::BLEND);
osg::StateSet* geodeStateset = geode->getOrCreateStateSet();
geodeStateset->setAttributeAndModes(blendFunc);
geodeStateset->setTextureAttribute(0, blendTexEnv);
geodeStateset->setTextureAttributeAndModes(0, texture);
geodeStateset->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
return geode;
}
PositionAttitudeTransform *VideoGeode::createVideoSphere(float size, bool texRepeat)
{
Geode *sphere = new Geode();
sphere->addDrawable(new ShapeDrawable(new Sphere(Vec3(0, 0, 4), size)));
// assign the material to the sphere
StateSet *sphereStateSet = sphere->getOrCreateStateSet();
sphereStateSet->ref();
sphereStateSet->setAttribute(_material);
try {
sphereStateSet->setTextureAttributeAndModes(0, createVideoTexture(texRepeat), StateAttribute::ON);
} catch (char *e) {
throw e;
}
PositionAttitudeTransform *sphereTransform = new PositionAttitudeTransform();
sphereTransform->addChild(sphere);
return sphereTransform;
}
/***************************************************************
* Function: switchFloorplan()
***************************************************************/
void VirtualScenicHandler::switchFloorplan(const int &idx, const VisibilityOption &option)
{
if (idx >= mFloorplanSwitch->getNumChildren())
{
return;
}
if (option == INVISIBLE)
{
if (mFloorplanIdx >= 0)
{
mFloorplanSwitch->setSingleChildOn(mFloorplanIdx);
}
else
{
mFloorplanSwitch->setAllChildrenOff();
}
}
else
{
Geode *floorplanGeode = dynamic_cast <Geode*> (mFloorplanSwitch->getChild(idx));
StateSet *stateset = floorplanGeode->getOrCreateStateSet();
Material *material = dynamic_cast<Material*> (stateset->getAttribute(StateAttribute::MATERIAL));
if (!material)
{
material = new Material;
}
if (option == TRANSPARENT)
{
material->setAlpha(Material::FRONT_AND_BACK, 0.5f);
}
else if (option == SOLID)
{
material->setAlpha(Material::FRONT_AND_BACK, 1.0f);
mFloorplanIdx = idx;
}
mFloorplanSwitch->setSingleChildOn(idx);
}
}
PositionAttitudeTransform *VideoGeode::createVideoPlane(float sizeX, float sizeY, bool texRepeat)
{
// vertex array
Vec3Array *vertexArray = new Vec3Array();
sizeX /= 2.0;
sizeY /= 2.0;
vertexArray->push_back(Vec3(-sizeX, 0, -sizeY));
vertexArray->push_back(Vec3(sizeX, 0, -sizeY));
vertexArray->push_back(Vec3(sizeX, 0, sizeY));
vertexArray->push_back(Vec3(-sizeX, 0, sizeY));
/*vertexArray->push_back(Vec3(-sizeX, -sizeY, 0));
vertexArray->push_back(Vec3(sizeX, -sizeY, 0));
vertexArray->push_back(Vec3(sizeX, sizeY, 0));
vertexArray->push_back(Vec3(-sizeX, sizeY, 0));*/
// face array
DrawElementsUInt *faceArray = new DrawElementsUInt(PrimitiveSet::TRIANGLES, 0);
faceArray->push_back(0); // face 1
faceArray->push_back(1);
faceArray->push_back(2);
faceArray->push_back(2); // face 2
faceArray->push_back(3);
faceArray->push_back(0);
// normal array
Vec3Array *normalArray = new Vec3Array();
normalArray->push_back(Vec3(0, 0, 1));
// normal index
TemplateIndexArray<unsigned int, Array::UIntArrayType, 24, 4> *normalIndexArray;
normalIndexArray = new TemplateIndexArray<unsigned int, Array::UIntArrayType, 24, 4>();
normalIndexArray->push_back(0);
normalIndexArray->push_back(0);
normalIndexArray->push_back(0);
normalIndexArray->push_back(0);
// texture coordinates
Vec2Array *texCoords = new Vec2Array();
texCoords->push_back(Vec2(0.0f, 0.0f));
texCoords->push_back(Vec2(1.0f, 0.0f));
texCoords->push_back(Vec2(1.0f, 1.0f));
texCoords->push_back(Vec2(0.0f, 1.0f));
Geometry *geometry = new Geometry();
geometry->setVertexArray(vertexArray);
geometry->setNormalArray(normalArray);
geometry->setNormalIndices(normalIndexArray);
geometry->setNormalBinding(Geometry::BIND_PER_VERTEX);
geometry->setTexCoordArray(0, texCoords);
geometry->addPrimitiveSet(faceArray);
Geode *plane = new Geode();
plane->addDrawable(geometry);
// assign the material to the sphere
StateSet *planeStateSet = plane->getOrCreateStateSet();
planeStateSet->ref();
planeStateSet->setAttribute(_material);
try {
planeStateSet->setTextureAttributeAndModes(0, createVideoTexture(texRepeat), StateAttribute::ON);
} catch (char *e) {
throw e;
}
PositionAttitudeTransform *planeTransform = new PositionAttitudeTransform();
planeTransform->addChild(plane);
return planeTransform;
}
osg::Node *JTOpenPlugin::createShape(JtkShape *partShape, const char *objName)
{
//cout << "JtkSHAPE\n";
Geode *geode = new Geode();
ref_ptr<Geometry> geom = new Geometry();
StateSet *geoState = geode->getOrCreateStateSet();
Vec3Array *vert = new Vec3Array;
Vec3Array *normalArray = new Vec3Array();
Vec3Array *colorArray = new Vec3Array();
Vec2Array *tcArray = new Vec2Array();
DrawArrayLengths *primitives = NULL;
if (partShape->typeID() == JtkEntity::JtkPOLYGONSET)
{
primitives = new DrawArrayLengths(PrimitiveSet::POLYGON);
}
else if (partShape->typeID() == JtkEntity::JtkLINESTRIPSET)
{
primitives = new DrawArrayLengths(PrimitiveSet::LINE_STRIP);
}
else if (partShape->typeID() == JtkEntity::JtkTRISTRIPSET)
{
primitives = new DrawArrayLengths(PrimitiveSet::TRIANGLE_STRIP);
}
else
{
cerr << "unknown partShape->typeID " << partShape->typeID() << endl;
}
geode->setName(objName);
if (primitives)
{
for (int set = 0; set < partShape->numOfSets(); set++)
{
float *vertex = NULL,
*normal = NULL,
*color = NULL,
*texture = NULL;
int vertexCount = -1,
normCount = -1,
colorCount = -1,
textCount = -1;
partShape->getInternal(vertex, vertexCount, normal, normCount,
color, colorCount, texture, textCount, set);
primitives->push_back(vertexCount);
// backFaceCulling nur dann, wenn es im CoviseConfig enabled ist
/*if(backFaceCulling && (mask & Viewer::MASK_SOLID))
{
CullFace *cullFace = new CullFace(); // da viele Modelle backface Culling nicht vertragen (nicht richtig modelliert sind)
cullFace->setMode(CullFace::BACK);
geoState->setAttributeAndModes(cullFace, StateAttribute::ON);
}
// already done in updateMaterial()
#if 0
if(Blended)
{
BlendFunc *blendFunc = new BlendFunc();
blendFunc->setFunction(BlendFunc::SRC_ALPHA, BlendFunc::ONE_MINUS_SRC_ALPHA);
geoState->setAttributeAndModes(blendFunc, StateAttribute::ON);
#if 1
AlphaFunc *alphaFunc = new AlphaFunc();
alphaFunc->setFunction(AlphaFunc::ALWAYS,1.0);
geoState->setAttributeAndModes(alphaFunc, StateAttribute::OFF);
#endif
}
#endif
#ifdef HAVE_OSGNV
if((strncmp(d_currentObject->node->name(),"combineTextures",15)==0)||(strncmp(objName,"combineTextures",15)==0))
{
geoState->setAttributeAndModes(combineTextures.get(), StateAttribute::ON);
}
if((strncmp(d_currentObject->node->name(),"combineEnvTextures",15)==0)||(strncmp(objName,"combineEnvTextures",15)==0))
{
geoState->setAttributeAndModes(combineEnvTextures.get(), StateAttribute::ON);
}
#endif*/
if (vertex && (vertexCount > 0))
{
for (int elems = 0; elems < vertexCount; elems++)
{
vert->push_back(Vec3(vertex[elems * 3 + 0], vertex[elems * 3 + 1], vertex[elems * 3 + 2]));
}
JtkEntityFactory::deleteMemory(vertex);
}
if (normal && (normCount > 0))
{
for (int elems = 0; elems < normCount; elems++)
{
normalArray->push_back(Vec3(normal[elems * 3 + 0], normal[elems * 3 + 1], normal[elems * 3 + 2]));
}
if (normCount == vertexCount)
{
}
else
{
//geom->setNormalBinding(Geometry::BIND_PER_PRIMITIVE);
std::cerr << "JTOpen: normals per primitive not supported" << std::endl;
}
JtkEntityFactory::deleteMemory(normal);
}
else // generate normals
{
}
if (color && (colorCount > 0))
{
for (int elems = 0; elems < colorCount; elems++)
{
colorArray->push_back(Vec3(color[elems * 3 + 0], color[elems * 3 + 1], color[elems * 3 + 2]));
}
if (colorCount == vertexCount)
{
}
else
{
//geom->setColorBinding(Geometry::BIND_PER_PRIMITIVE);
std::cerr << "JTOpen: colors per primitive not supported" << std::endl;
}
JtkEntityFactory::deleteMemory(color);
}
if (texture && (textCount > 0))
{
for (int elems = 0; elems < textCount; elems++)
{
tcArray->push_back(Vec2(texture[elems * 2 + 0], texture[elems * 2 + 1]));
}
JtkEntityFactory::deleteMemory(texture);
}
/* if(!(mask & Viewer::MASK_CONVEX))
{
osgUtil::Tesselator *tess = new osgUtil::Tesselator;
tess->retesselatePolygons(*geom);
//delete[] tess;
}*/
// if enabled, generate tri strips, but not for animated objects
// if(genStrips && strncmp(objName, "Animated", 8))
{
// d_stripper->stripify(*geom);
}
}
geom->setVertexArray(vert);
geom->addPrimitiveSet(primitives);
if (normalArray->size() > 0)
{
geom->setNormalArray(normalArray);
geom->setNormalBinding(Geometry::BIND_PER_VERTEX);
}
if (colorArray->size() > 0)
{
geom->setColorArray(colorArray);
geom->setColorBinding(Geometry::BIND_PER_VERTEX);
}
if (tcArray->size() > 0)
geom->setTexCoordArray(0, tcArray);
if (normalArray->size() == 0)
{
osgUtil::SmoothingVisitor::smooth(*(geom.get()), 40.0 / 180.0 * M_PI);
}
geode->addDrawable(geom.get());
geode->setStateSet(geoState);
return geode;
}
return NULL;
}
Geode *ClipPlanePlugin::loadPlane()
{
// *5---*6---*7
// | | |
// *3--------*4
// | | |
// *0---*1---*2
float w = cover->getSceneSize() * 0.1; // width of plane
Vec3Array *lineCoords = new Vec3Array(12);
(*lineCoords)[0].set(-w, -0.01, -w);
(*lineCoords)[1].set(w, -0.01, -w);
(*lineCoords)[2].set(-w, -0.01, 0.0f);
(*lineCoords)[3].set(w, -0.01, 0.0f);
(*lineCoords)[4].set(-w, -0.01, w);
(*lineCoords)[5].set(w, -0.01, w);
(*lineCoords)[6].set(-w, -0.01, -w);
(*lineCoords)[7].set(-w, -0.01, w);
(*lineCoords)[8].set(0.0f, -0.01, -w);
(*lineCoords)[9].set(0.0f, -0.01, w);
(*lineCoords)[10].set(w, -0.01, -w);
(*lineCoords)[11].set(w, -0.01, w);
DrawArrayLengths *primitives = new DrawArrayLengths(PrimitiveSet::LINE_STRIP);
for (int i = 0; i < 6; i++)
{
primitives->push_back(2);
}
Vec3Array *lineColors = new Vec3Array(12);
for (int i = 0; i < 12; i++)
{
(*lineColors)[i].set(Vec3(1.0f, 1.0f, 1.0f));
}
Geometry *geoset = new Geometry();
geoset->setVertexArray(lineCoords);
geoset->addPrimitiveSet(primitives);
geoset->setColorArray(lineColors);
Material *mtl = new Material;
mtl->setColorMode(Material::AMBIENT_AND_DIFFUSE);
mtl->setAmbient(Material::FRONT_AND_BACK, Vec4(0.2f, 0.2f, 0.2f, 1.0f));
mtl->setDiffuse(Material::FRONT_AND_BACK, Vec4(0.9f, 0.9f, 0.9f, 1.0f));
mtl->setSpecular(Material::FRONT_AND_BACK, Vec4(0.9f, 0.9f, 0.9f, 1.0f));
mtl->setEmission(Material::FRONT_AND_BACK, Vec4(0.0f, 0.0f, 0.0f, 1.0f));
mtl->setShininess(Material::FRONT_AND_BACK, 16.0f);
Geode *geode = new Geode;
geode->setName("ClipPlane");
geode->addDrawable(geoset);
StateSet *geostate = geode->getOrCreateStateSet();
geostate->setAttributeAndModes(mtl, StateAttribute::ON);
geostate->setMode(GL_LIGHTING, StateAttribute::OFF);
LineWidth *lineWidth = new LineWidth(3.0);
geostate->setAttributeAndModes(lineWidth, StateAttribute::ON);
geode->setStateSet(geostate);
return geode;
}
/***************************************************************
* Function: createFloorplanGeometry()
***************************************************************/
void VirtualScenicHandler::createFloorplanGeometry(const int numPages,
CAVEAnimationModeler::ANIMPageEntry **pageEntryArray)
{
if (numPages <= 0)
{
return;
}
for (int i = 0; i < numPages; i++)
{
// create floorplan geometry
float length = pageEntryArray[i]->mLength;
float width = pageEntryArray[i]->mWidth;
float altitude = pageEntryArray[i]->mAlti;
Geode *floorplanGeode = new Geode;
Geometry *floorplanGeometry = new Geometry;
Vec3Array* vertices = new Vec3Array;
Vec3Array* normals = new Vec3Array;
Vec2Array* texcoords = new Vec2Array(4);
vertices->push_back(Vec3(-length / 2, width / 2, altitude)); (*texcoords)[0].set(0, 1);
vertices->push_back(Vec3(-length / 2, -width / 2, altitude)); (*texcoords)[1].set(0, 0);
vertices->push_back(Vec3( length / 2, -width / 2, altitude)); (*texcoords)[2].set(1, 0);
vertices->push_back(Vec3( length / 2, width / 2, altitude)); (*texcoords)[3].set(1, 1);
for (int k = 0; k < 4; k++)
{
normals->push_back(Vec3(0, 0, 1));
}
DrawElementsUInt* rectangle = new DrawElementsUInt(PrimitiveSet::POLYGON, 0);
rectangle->push_back(0); rectangle->push_back(1);
rectangle->push_back(2); rectangle->push_back(3);
floorplanGeometry->addPrimitiveSet(rectangle);
floorplanGeometry->setVertexArray(vertices);
floorplanGeometry->setNormalArray(normals);
floorplanGeometry->setTexCoordArray(0, texcoords);
floorplanGeometry->setNormalBinding(Geometry::BIND_PER_VERTEX);
floorplanGeode->addDrawable(floorplanGeometry);
mFloorplanSwitch->addChild(floorplanGeode);
/* load floorplan images */
Material *transmaterial = new Material;
transmaterial->setDiffuse(Material::FRONT_AND_BACK, Vec4(1, 1, 1, 1));
transmaterial->setAlpha(Material::FRONT_AND_BACK, 1.0f);
Image* imgFloorplan = osgDB::readImageFile(pageEntryArray[i]->mTexFilename);
Texture2D* texFloorplan = new Texture2D(imgFloorplan);
StateSet *floorplanStateSet = floorplanGeode->getOrCreateStateSet();
floorplanStateSet->setTextureAttributeAndModes(0, texFloorplan, StateAttribute::ON);
floorplanStateSet->setMode(GL_BLEND, StateAttribute::OVERRIDE | StateAttribute::ON );
floorplanStateSet->setRenderingHint(StateSet::TRANSPARENT_BIN);
floorplanStateSet->setAttributeAndModes(transmaterial, StateAttribute::OVERRIDE | StateAttribute::ON);
}
}
void OsgChromosome::renderChromosome(char * file){
Sphere * mysphere;
ShapeDrawable * mydrawable;
Geode* mygeode = new Geode();
osg::ref_ptr<osg::Material> pMaterial;
ifstream myReadFile;
SceneObject * so = new SceneObject(file, true, true, true, true, false);
PluginHelper::registerSceneObject(so);
so->attachToScene();
so->setNavigationOn(true);
so->addMoveMenuItem();
so->addNavigationMenuItem();
// open file to read
myReadFile.open(file);
string chr, start, end, comp, x, y, z, output;
Vec3 prev, curr;
Vec4 color;
bool isFirst = true;
if (myReadFile.is_open()) {
printf("is open\n");
// get rid of top line
getline(myReadFile, output);
// read each table entry
while (!myReadFile.eof()) {
myReadFile >> chr;
myReadFile >> start;
myReadFile >> end;
myReadFile >> comp;
myReadFile >> x;
myReadFile >> y;
myReadFile >> z;
curr = Vec3(atof(x.c_str()), atof(y.c_str()), atof(z.c_str()));
mysphere = new Sphere(curr, .02);
mydrawable = new ShapeDrawable(mysphere);
mygeode = new Geode();
mygeode->addDrawable(mydrawable);
so->addChild(mygeode);
//root->addChild(mygeode);
// determine the color of the segment
pMaterial = new osg::Material;
if (comp.compare("A") == 0)
color = Vec4(1,0,0,1);
else if (comp.compare("B") == 0)
color = Vec4(0,0,1,1);
else
color = Vec4(0,1,0,1);
// set the color of the sphere
pMaterial->setDiffuse( osg::Material::FRONT, color);
mygeode->getOrCreateStateSet()->setAttribute( pMaterial, osg::StateAttribute::OVERRIDE );
// draw the cylinder bewtween spheres
if (!isFirst) {
//mygeode = new Geode();
AddCylinderBetweenPoints(prev, curr, (float) .02, color, so/*(Group *) root*/);
//root->addChild(mygeode);
}
prev = curr;
isFirst = false;
}
printf("get attached is %d, number of children is %d\n", so->getAttached(), so->getNumChildObjects());
}
