NodePtr createScenegraph(){
// the scene must be created here
for (int x = 0; x < N; x++)
for (int z = 0; z < N; z++)
wMesh[x][z] = 0;
// GeoPTypes will define the types of primitives to be used
GeoPTypesPtr type = GeoPTypesUI8::create();
beginEditCP(type, GeoPTypesUI8::GeoPropDataFieldMask);
// we want to use quads ONLY
type->addValue(GL_QUADS);
endEditCP(type, GeoPTypesUI8::GeoPropDataFieldMask);
// GeoPLength will define the number of vertices of
// the used primitives
GeoPLengthsPtr length = GeoPLengthsUI32::create();
beginEditCP(length, GeoPLengthsUI32::GeoPropDataFieldMask);
// the length of our quads is four ;-)
length->addValue((N-1)*(N-1)*4);
endEditCP(length, GeoPLengthsUI32::GeoPropDataFieldMask);
// GeoPositions3f stores the positions of all vertices used in
// this specific geometry core
GeoPositions3fPtr pos = GeoPositions3f::create();
beginEditCP(pos, GeoPositions3f::GeoPropDataFieldMask);
// here they all come
for (int x = 0; x < N; x++)
for (int z = 0; z < N; z++)
pos->addValue(Pnt3f(x, wMesh[x][z], z));
endEditCP(pos, GeoPositions3f::GeoPropDataFieldMask);
//GeoColors3f stores all color values that will be used
GeoColors3fPtr colors = GeoColors3f::create();
beginEditCP(colors, GeoColors3f::GeoPropDataFieldMask);
for (int x = 0; x < N; x++)
for (int z = 0; z < N; z++)
colors->addValue(Color3f(0,0,1));
endEditCP(colors, GeoColors3f::GeoPropDataFieldMask);
GeoNormals3fPtr norms = GeoNormals3f::create();
beginEditCP(norms, GeoNormals3f::GeoPropDataFieldMask);
for (int x = 0; x < N; x++)
for (int z = 0; z < N; z++)
// As initially all heights are set to zero thus yielding a plane,
// we set all normals to (0,1,0) parallel to the y-axis
norms->addValue(Vec3f(0,1,0));
endEditCP(norms, GeoNormals3f::GeoPropDataFieldMask);
SimpleMaterialPtr mat = SimpleMaterial::create();
beginEditCP(mat);
mat->setDiffuse(Color3f(0,0,1));
endEditCP(mat);
// GeoIndicesUI32 points to all relevant data used by the
// provided primitives
GeoIndicesUI32Ptr indices = GeoIndicesUI32::create();
beginEditCP(indices, GeoIndicesUI32::GeoPropDataFieldMask);
for (int x = 0; x < N-1; x++)
for (int z = 0; z < N-1; z++){
// points to four vertices that will
// define a single quad
indices->addValue(z*N+x);
indices->addValue((z+1)*N+x);
indices->addValue((z+1)*N+x+1);
indices->addValue(z*N+x+1);
}
endEditCP(indices, GeoIndicesUI32::GeoPropDataFieldMask);
GeometryPtr geo = Geometry::create();
beginEditCP(geo,
Geometry::TypesFieldMask |
Geometry::LengthsFieldMask |
Geometry::IndicesFieldMask |
Geometry::PositionsFieldMask |
Geometry::NormalsFieldMask |
Geometry::MaterialFieldMask |
Geometry::ColorsFieldMask |
Geometry::DlistCacheFieldMask
);
geo->setTypes(type);
geo->setLengths(length);
geo->setIndices(indices);
geo->setPositions(pos);
geo->setNormals(norms);
geo->setMaterial(mat);
//geo->setColors(colors);
geo->setDlistCache(false);
endEditCP(geo,
Geometry::TypesFieldMask |
Geometry::LengthsFieldMask |
Geometry::IndicesFieldMask |
Geometry::PositionsFieldMask |
Geometry::NormalsFieldMask |
Geometry::MaterialFieldMask |
Geometry::ColorsFieldMask |
Geometry::DlistCacheFieldMask
);
PointLightPtr pLight = PointLight::create();
NodePtr root = Node::create();
NodePtr water = Node::create();
NodePtr pLightTransformNode = Node::create();
TransformPtr pLightTransform = Transform::create();
NodePtr pLightNode = Node::create();
beginEditCP(pLightNode);
pLightNode->setCore(Group::create());
endEditCP(pLightNode);
Matrix m;
m.setIdentity();
m.setTranslate(50,25,50);
beginEditCP(pLightTransform);
pLightTransform->setMatrix(m);
endEditCP(pLightTransform);
//we add a little spehere that will represent the light source
GeometryPtr sphere = makeSphereGeo(2,2);
SimpleMaterialPtr sm = SimpleMaterial::create();
beginEditCP(sm, SimpleMaterial::DiffuseFieldMask |
SimpleMaterial::LitFieldMask);
{
sm->setLit(false);
sm->setDiffuse(Color3f(1,1,1));
}
endEditCP (sm, SimpleMaterial::DiffuseFieldMask |
SimpleMaterial::LitFieldMask);
beginEditCP(sphere, Geometry::MaterialFieldMask);
{
sphere->setMaterial(sm);
}
endEditCP (sphere, Geometry::MaterialFieldMask);
NodePtr sphereNode = Node::create();
beginEditCP(sphereNode);
sphereNode->setCore(sphere);
endEditCP(sphereNode);
beginEditCP(pLightTransformNode);
pLightTransformNode->setCore(pLightTransform);
pLightTransformNode->addChild(pLightNode);
pLightTransformNode->addChild(sphereNode);
endEditCP(pLightTransformNode);
beginEditCP(pLight);
pLight->setPosition(Pnt3f(0,0,0));
//Attenuation parameters
pLight->setConstantAttenuation(1);
pLight->setLinearAttenuation(0);
pLight->setQuadraticAttenuation(0);
//color information
pLight->setDiffuse(Color4f(1,1,1,1));
pLight->setAmbient(Color4f(0.2,0.2,0.2,1));
pLight->setSpecular(Color4f(1,1,1,1));
//set the beacon
pLight->setBeacon(pLightNode);
endEditCP (pLight);
beginEditCP(water);
water->setCore(geo);
endEditCP(water);
beginEditCP(root);
root->setCore(pLight);
root->addChild(water);
root->addChild(pLightTransformNode);
endEditCP(root);
return root;
}
void SkyBackgroundPluginForm::setupSkyBackground( const QDir dir, const bool zUp )
{
try
{
skyBackground = NullFC;
bool imageLoaded[6] = {false, false, false, false, false, false};
const QFileInfoList* fileList = dir.entryInfoList();
QFileInfoListIterator it(*fileList);
QFileInfo* fileInfo;
while ((fileInfo = it.current()) != 0)
{
QString qstr = fileInfo->absFilePath();
const char *filename = qstr.latin1();
if (((qstr.find("north") >= 0) || (qstr.find("front") >= 0)) && !imageLoaded[0])
{
beginEditCP(images[5]);
if (images[5]->read(filename))
{
beginEditCP(textures[5]);
textures[5]->setImage(images[5]);
endEditCP(textures[5]);
vrLog::info("Sky Background: Front/North image loaded.");
imageLoaded[0] = true;
}
endEditCP(images[5]);
}
if (((qstr.find("south") >= 0) || (qstr.find("back") >= 0)) && !imageLoaded[1])
{
beginEditCP(images[4]);
if (images[4]->read(filename))
{
if (zUp)
vrImage::rotateImage180Degrees(images[4]);
beginEditCP(textures[4]);
textures[4]->setImage(images[4]);
endEditCP(textures[4]);
vrLog::info("Sky Background: Back/South image loaded.");
imageLoaded[1] = true;
}
endEditCP(images[4]);
}
if (((qstr.find("down") >= 0) || (qstr.find("bottom") >= 0)) && !imageLoaded[2])
{
beginEditCP(images[3]);
if (images[3]->read(filename))
{
beginEditCP(textures[3]);
textures[3]->setImage(images[3]);
endEditCP(textures[3]);
vrLog::info("Sky Background: Bottom/Down image loaded.");
imageLoaded[2] = true;
}
endEditCP(images[3]);
}
if (((qstr.find("up") >= 0) || (qstr.find("top") >= 0)) && !imageLoaded[3])
{
beginEditCP(images[2]);
if (images[2]->read(filename))
{
if (zUp)
vrImage::rotateImage180Degrees(images[2]);
beginEditCP(textures[2]);
textures[2]->setImage(images[2]);
endEditCP(textures[2]);
vrLog::info("Sky Background: Top/Up image loaded.");
imageLoaded[3] = true;
}
endEditCP(images[2]);
}
if (((qstr.find("east") >= 0) || (qstr.find("right") >= 0)) && !imageLoaded[4])
{
beginEditCP(images[1]);
if (images[1]->read(filename))
{
if (zUp)
vrImage::rotate90Left(images[1]);
beginEditCP(textures[1]);
textures[1]->setImage(images[1]);
endEditCP(textures[1]);
vrLog::info("Sky Background: Right/East image loaded.");
imageLoaded[4] = true;
}
endEditCP(images[1]);
}
if (((qstr.find("west") >= 0) || (qstr.find("left") >= 0)) && !imageLoaded[5])
{
beginEditCP(images[0]);
if (images[0]->read(filename))
{
if (zUp)
vrImage::rotate90Right(images[0]);
beginEditCP(textures[0]);
textures[0]->setImage(images[0]);
endEditCP(textures[0]);
vrLog::info("Sky Background: Left/West image loaded.");
imageLoaded[5] = true;
}
endEditCP(images[0]);
}
++it;
}
skyBackground = SkyBackground::create();
beginEditCP(skyBackground);
if (!zUp)
{
skyBackground->setFrontTexture(textures[5]);
skyBackground->setBackTexture(textures[4]);
skyBackground->setBottomTexture(textures[3]);
skyBackground->setTopTexture(textures[2]);
skyBackground->setRightTexture(textures[1]);
skyBackground->setLeftTexture(textures[0]);
}
else
{
skyBackground->setFrontTexture(textures[3]);
skyBackground->setBackTexture(textures[2]);
skyBackground->setBottomTexture(textures[4]);
skyBackground->setTopTexture(textures[5]);
skyBackground->setRightTexture(textures[1]);
skyBackground->setLeftTexture(textures[0]);
}
endEditCP(skyBackground);
vrOSGWidget *gl = vrOSGWidget::getMGLW(-1);
ViewportPtr vredViewport = gl->getViewport();
//oldBackground = vredViewport->getBackground();
beginEditCP(vredViewport);
vredViewport->setBackground(skyBackground);
endEditCP(vredViewport);
directoryLineEdit->setText(dir.absPath());
// read light settings
if (SetLightingCheckBox->isChecked())
{
string lightName = LightNameLineEdit->text().ascii();
if (!QFile::exists(dir.absPath() + "/LightSettings.xml"))
vrLog::warning("Light Settings not found.");
else
{
QFile* file = new QFile(dir.absPath() + "/LightSettings.xml");
if (file->open(IO_ReadOnly))
{
LightSettingsHandler handler;
QXmlSimpleReader reader;
reader.setContentHandler(&handler);
reader.setErrorHandler(&handler);
QXmlInputSource source(file);
reader.parse(source);
file->close();
handler.direction.normalize();
vector<NodePtr> lights;
vrLights::getLights(lights);
bool lightSet = false;
for (vector<NodePtr>::const_iterator it = lights.begin();
it != lights.end(); ++it)
{
LightPtr light = LightPtr::dcast((*it)->getCore());
if (light != NullFC)
{
NodePtr node = *it;
string name = getName(node);
if (name.find(lightName) != string::npos)
{
setLightSettings(light, handler);
lightSet = true;
}
}
}
if (!lightSet)
{
NodePtr rootNode = vrScenegraph::getRoot();
TransformPtr beaconTransform = Transform::create();
NodePtr beaconNode = Node::create();
beginEditCP(beaconNode);
beaconNode->setCore(beaconTransform);
endEditCP(beaconNode);
PointLightPtr light = PointLight::create();
beginEditCP(light);
light->setAttenuation(1,0,0);
light->setBeacon(beaconNode);
endEditCP(light);
NodePtr lightNode = Node::create();
beginEditCP(lightNode);
lightNode->setCore(light);
endEditCP(lightNode);
OSG::setName(lightNode, lightName);
beginEditCP(rootNode);
rootNode->addChild(lightNode);
rootNode->addChild(beaconNode);
endEditCP(rootNode);
setLightSettings(light, handler);
vrScenegraph::update(true);
}
}
}
}
}
catch (std::exception const& e)
{
cout << "type: " << typeid(e).name() << endl;
cout << "message: " << e.what() << endl << endl;
}
}
FBOViewportPtr createSceneFBO(void)
{
//Create Camera Beacon
Matrix CameraMat;
CameraMat.setTranslate(0.0f,0.0f,4.0f);
TransformPtr CameraBeconCore = Transform::create();
beginEditCP(CameraBeconCore, Transform::MatrixFieldMask);
CameraBeconCore->setMatrix(CameraMat);
endEditCP(CameraBeconCore, Transform::MatrixFieldMask);
NodePtr CameraBeconNode = Node::create();
beginEditCP(CameraBeconNode, Node::CoreFieldMask);
CameraBeconNode->setCore(CameraBeconCore);
endEditCP(CameraBeconNode, Node::CoreFieldMask);
//Create Camera
PerspectiveCameraPtr TheCamera = PerspectiveCamera::create();
beginEditCP(TheCamera);
TheCamera->setFov(deg2rad(60.0f));
TheCamera->setAspect(1.0f);
TheCamera->setNear(0.1f);
TheCamera->setFar(100.0f);
TheCamera->setBeacon(CameraBeconNode);
endEditCP(TheCamera);
//Make the Material
BlinnMaterialPtr TheMaterial = BlinnMaterial::create();
beginEditCP(TheMaterial);
TheMaterial->setDiffuse(0.8);
TheMaterial->setColor(Color3f(1.0,1.0,1.0));
TheMaterial->setAmbientColor(Color3f(1.0,1.0,1.0));
TheMaterial->setNumLights(1);
endEditCP(TheMaterial);
// Make Torus Node (creates Torus in background of scene)
NodePtr TorusGeometryNode = makeTorus(.5, 2, 24, 48);
beginEditCP(TorusGeometryNode->getCore());
GeometryPtr::dcast(TorusGeometryNode->getCore())->setMaterial(TheMaterial);
endEditCP(TorusGeometryNode->getCore());
calcVertexNormals(GeometryPtr::dcast(TorusGeometryNode->getCore()));
calcVertexTangents(GeometryPtr::dcast(TorusGeometryNode->getCore()),0,Geometry::TexCoords7FieldId, Geometry::TexCoords6FieldId);
RootTransformCore = Transform::create();
NodePtr TorusTransformNode = Node::create();
beginEditCP(TorusTransformNode, Node::CoreFieldMask);
TorusTransformNode->setCore(RootTransformCore);
TorusTransformNode->addChild(TorusGeometryNode);
endEditCP(TorusTransformNode, Node::CoreFieldMask);
//Create Light Beacon
Matrix LightMat;
LightMat.setTranslate(0.0f,10.0f,1.0f);
TransformPtr LightBeconCore = Transform::create();
beginEditCP(LightBeconCore, Transform::MatrixFieldMask);
LightBeconCore->setMatrix(LightMat);
endEditCP(LightBeconCore, Transform::MatrixFieldMask);
NodePtr LightBeconNode = Node::create();
beginEditCP(LightBeconNode, Node::CoreFieldMask);
LightBeconNode->setCore(LightBeconCore);
endEditCP(LightBeconNode, Node::CoreFieldMask);
//Create Light
TheLight = PointLight::create();
beginEditCP(TheLight);
TheLight->setBeacon(LightBeconNode);
endEditCP(TheLight);
NodePtr LightNode = Node::create();
beginEditCP(LightNode, Node::CoreFieldMask);
LightNode->setCore(TheLight);
LightNode->addChild(TorusTransformNode);
endEditCP(LightNode, Node::CoreFieldMask);
//Create Root
NodePtr TheRoot = Node::create();
beginEditCP(TheRoot);
TheRoot->setCore(Group::create());
TheRoot->addChild(CameraBeconNode);
TheRoot->addChild(LightNode);
TheRoot->addChild(LightBeconNode);
endEditCP(TheRoot);
//Create Background
SolidBackgroundPtr TheBackground = SolidBackground::create();
TheBackground->setColor(Color3f(1.0,0.0,0.0));
//DepthClearBackgroundPtr TheBackground = DepthClearBackground::create();
//Create the Image
ImagePtr TheColorImage = Image::create();
TheColorImage->set(Image::OSG_RGB_PF,2,2,1,1,1,0.0f,0,Image::OSG_FLOAT16_IMAGEDATA);
//Create the texture
TextureChunkPtr TheColorTextureChunk = TextureChunk::create();
beginEditCP(TheColorTextureChunk);
TheColorTextureChunk->setImage(TheColorImage);
TheColorTextureChunk->setMinFilter(GL_NEAREST);
TheColorTextureChunk->setMagFilter(GL_NEAREST);
TheColorTextureChunk->setWrapS(GL_CLAMP_TO_EDGE);
TheColorTextureChunk->setWrapR(GL_CLAMP_TO_EDGE);
TheColorTextureChunk->setScale(false);
TheColorTextureChunk->setNPOTMatrixScale(true);
TheColorTextureChunk->setEnvMode(GL_REPLACE);
TheColorTextureChunk->setInternalFormat(GL_RGB16F);
endEditCP(TheColorTextureChunk);
//Create FBO
FBOViewportPtr TheFBO = FBOViewport::create();
beginEditCP(TheFBO);
TheFBO->setBackground(TheBackground);
TheFBO->setRoot(TheRoot);
TheFBO->setCamera(TheCamera);
TheFBO->setEnabled(true);
TheFBO->getTextures().push_back(TheColorTextureChunk);
TheFBO->setStorageWidth(TheColorTextureChunk->getImage()->getWidth());
TheFBO->setStorageHeight(TheColorTextureChunk->getImage()->getHeight());
TheFBO->setSize(0,0,TheColorTextureChunk->getImage()->getWidth()-1, TheColorTextureChunk->getImage()->getHeight()-1);
endEditCP(TheFBO);
return TheFBO;
}
// Initialize GLUT & OpenSG and set up the scene
int main(int argc, char **argv)
{
// OSG init
osgInit(argc,argv);
// GLUT init
int winid = setupGLUT(&argc, argv);
gwin = GLUTWindow::create();
// create root
rootNode = makeCoredNode<Group>();
NodePtr scene = makeCoredNode<Group>();
// create lights
TransformPtr point1_trans;
NodePtr point1 = makeCoredNode<PointLight>(&_point1_core);
NodePtr point1_beacon = makeCoredNode<Transform>(&point1_trans);
beginEditCP(point1_trans);
point1_trans->editMatrix().setTranslate(0.0, 0.0, 25.0);
endEditCP(point1_trans);
beginEditCP(_point1_core);
_point1_core->setAmbient(0.15,0.15,0.15,1);
_point1_core->setDiffuse(0.4,0.4,0.4,1);
_point1_core->setSpecular(0.0,0.0,0.0,1);
_point1_core->setBeacon(point1_beacon);
_point1_core->setOn(true);
endEditCP(_point1_core);
TransformPtr point2_trans;
NodePtr point2 = makeCoredNode<PointLight>(&_point2_core);
NodePtr point2_beacon = makeCoredNode<Transform>(&point2_trans);
beginEditCP(point2_trans);
point2_trans->editMatrix().setTranslate(5.0, 5.0, 20.0);
endEditCP(point2_trans);
beginEditCP(_point2_core);
_point2_core->setAmbient(0.15,0.15,0.15,1);
_point2_core->setDiffuse(0.4,0.4,0.4,1);
_point2_core->setSpecular(0.0,0.0,0.0,1);
_point2_core->setBeacon(point2_beacon);
_point2_core->setOn(true);
endEditCP(_point2_core);
beginEditCP(point1);
point1->addChild(point2);
endEditCP(point1);
beginEditCP(point2);
point2->addChild(scene);
endEditCP(point2);
// create scene
// bottom
NodePtr plane = makePlane(25.0, 25.0, 128, 128);
int size = imageWinWidth*imageWinHeight*256;
ImagePtr plane_img = Image::create();
beginEditCP(plane_img);
plane_img->set(Image::OSG_RGBA_PF, imageWinWidth, imageWinHeight, 1, 1, 1, 0, NULL);
endEditCP(plane_img);
TextureChunkPtr plane_tex = TextureChunk::create();
beginEditCP(plane_tex);
plane_tex->setImage(plane_img);
plane_tex->setMinFilter(GL_LINEAR);
plane_tex->setMagFilter(GL_LINEAR);
plane_tex->setTarget(GL_TEXTURE_2D);
plane_tex->setInternalFormat(GL_RGBA16F_ARB);
endEditCP(plane_tex);
SHLChunkPtr shl = SHLChunk::create();
beginEditCP(shl);
shl->setVertexProgram(_vp_program);
shl->setFragmentProgram(_fp_program);
shl->setUniformParameter("tex0", 0);
endEditCP(shl);
SimpleMaterialPtr plane_mat = SimpleMaterial::create();
beginEditCP(plane_mat);
plane_mat->setAmbient(Color3f(0.3,0.3,0.3));
plane_mat->setDiffuse(Color3f(1.0,1.0,1.0));
plane_mat->addChunk(plane_tex);
plane_mat->addChunk(shl);
endEditCP(plane_mat);
GeometryPtr plane_geo = GeometryPtr::dcast(plane->getCore());
beginEditCP(plane_geo);
plane_geo->setMaterial(plane_mat);
beginEditCP(plane_geo);
// box
box_trans_node = makeCoredNode<Transform>(&_box_trans);
beginEditCP(_box_trans);
_box_trans->editMatrix().setTranslate(0.0, 0.0, 12.0);
endEditCP(_box_trans);
NodePtr box = makeBox(4.0, 4.0, 0.8, 10, 10 , 10);
beginEditCP(box_trans_node);
box_trans_node->addChild(box);
endEditCP(box_trans_node);
PolygonChunkPtr pchunk = osg::PolygonChunk::create();
beginEditCP(pchunk);
pchunk->setCullFace(GL_BACK);
endEditCP(pchunk);
SimpleMaterialPtr box_mat = SimpleMaterial::create();
beginEditCP(box_mat);
box_mat->setAmbient(Color3f(0.0,0.0,0.0));
box_mat->setDiffuse(Color3f(0.0,0.0,1.0));
box_mat->addChunk(pchunk);
endEditCP(box_mat);
GeometryPtr box_geo = GeometryPtr::dcast(box->getCore());
beginEditCP(box_geo);
box_geo->setMaterial(box_mat);
beginEditCP(box_geo);
// cylinder1
NodePtr cylinder1_trans_node = makeCoredNode<Transform>(&_cylinder1_trans);
beginEditCP(_cylinder1_trans);
_cylinder1_trans->editMatrix().setTranslate(0.0, 0.0, 5.0);
endEditCP(_cylinder1_trans);
NodePtr cylinder1 = OSG::makeCylinder(10.0, 0.4, 32, true, true ,true);
beginEditCP(cylinder1_trans_node);
cylinder1_trans_node->addChild(cylinder1);
endEditCP(cylinder1_trans_node);
SimpleMaterialPtr cylinder1_mat = SimpleMaterial::create();
beginEditCP(cylinder1_mat);
cylinder1_mat->setAmbient(Color3f(0.0,0.0,0.0));
cylinder1_mat->setDiffuse(Color3f(1.0,0.0,0.0));
cylinder1_mat->addChunk(pchunk);
endEditCP(cylinder1_mat);
GeometryPtr cylinder1_geo = GeometryPtr::dcast(cylinder1->getCore());
beginEditCP(cylinder1_geo);
cylinder1_geo->setMaterial(cylinder1_mat);
beginEditCP(cylinder1_geo);
// cylinder2
NodePtr cylinder2_trans_node = makeCoredNode<Transform>(&_cylinder2_trans);
beginEditCP(_cylinder2_trans);
_cylinder2_trans->editMatrix().setTranslate(0.0, 0.0, 8.0);
endEditCP(_cylinder2_trans);
NodePtr cylinder2 = OSG::makeCylinder(10.0, 0.4, 32, true, true ,true);
beginEditCP(cylinder2_trans_node);
cylinder2_trans_node->addChild(cylinder2);
endEditCP(cylinder2_trans_node);
SimpleMaterialPtr cylinder2_mat = SimpleMaterial::create();
beginEditCP(cylinder2_mat);
cylinder2_mat->setAmbient(Color3f(0.0,0.0,0.0));
cylinder2_mat->setDiffuse(Color3f(0.0,1.0,0.0));
cylinder2_mat->addChunk(pchunk);
endEditCP(cylinder2_mat);
GeometryPtr cylinder2_geo = GeometryPtr::dcast(cylinder2->getCore());
beginEditCP(cylinder2_geo);
cylinder2_geo->setMaterial(cylinder2_mat);
beginEditCP(cylinder2_geo);
// scene
beginEditCP(scene);
scene->addChild(plane);
scene->addChild(box_trans_node);
scene->addChild(cylinder1_trans_node);
scene->addChild(cylinder2_trans_node);
endEditCP(scene);
vp = ShadowViewport::create();
GradientBackgroundPtr gbg = GradientBackground::create();
SolidBackgroundPtr sbg = SolidBackground::create();
UChar8 imgdata[] = { 255,0,0, 0,255,0, 0,0,255, 255,255,0 };
ImagePtr img1 = Image::create();
img1->set(Image::OSG_RGB_PF, 2, 2, 1, 1, 1, 0, imgdata);
TextureChunkPtr tcPtr = TextureChunk::create();
beginEditCP(tcPtr);
tcPtr->setImage(img1);
endEditCP(tcPtr);
TextureBackgroundPtr bkg = TextureBackground::create();
beginEditCP(bkg);
bkg->setTexture(tcPtr);
endEditCP(bkg);
beginEditCP(sbg);
sbg->setColor(Color3f(0.2,0.4,0.6));
endEditCP(sbg);
beginEditCP(gbg);
gbg->addLine(Color3f(0.7, 0.7, 0.8), 0);
gbg->addLine(Color3f(0.1, 0.1, 0.3), 1);
endEditCP(gbg);
beginEditCP(rootNode);
rootNode->addChild(point1);
rootNode->addChild(point1_beacon);
rootNode->addChild(point2_beacon);
endEditCP(rootNode);
//FBOViewportPtr
fbo_vp = FBOViewport::create();
addRefCP(fbo_vp);
// the Camera for the map
cam = PerspectiveCamera::create();
beginEditCP(cam);
cam->setFov(osgdegree2rad(90));
cam->setAspect(1);
cam->setNear(0.001);
cam->setFar(10000);
cam->setBeacon(box_trans_node);
endEditCP(cam);
beginEditCP(fbo_vp);
fbo_vp->setBackground(bkg);
fbo_vp->setRoot(rootNode);
fbo_vp->setCamera(cam);
fbo_vp->setSize(0,0,imageWinWidth-1, imageWinHeight-1);
fbo_vp->setStorageWidth(imageWinWidth);
fbo_vp->setStorageHeight(imageWinHeight);
fbo_vp->setDirty(true);
fbo_vp->editMFTextures ()->push_back(plane_tex);
fbo_vp->editMFExcludeNodes()->push_back(plane);
fbo_vp->setFboOn(true);
endEditCP(fbo_vp);
// normal shadow viewport
beginEditCP(vp);
vp->setBackground(gbg);
vp->setRoot(rootNode);
vp->setSize(0,0,1,1);
endEditCP(vp);
beginEditCP(gwin); //Window
gwin->setId(winid);
gwin->addPort(vp);
gwin->init();
endEditCP(gwin);
Vec3f min,max;
rootNode->updateVolume();
rootNode->getVolume().getBounds( min, max );
// create the SimpleSceneManager helper
mgr = new SimpleSceneManager;
mgr->setWindow(gwin);
mgr->setRoot(rootNode);
//Viewport
beginEditCP(vp);
vp->setCamera(mgr->getCamera());
endEditCP(vp);
mgr->turnHeadlightOff();
mgr->showAll();
// GLUT main loop
glutMainLoop();
return 0;
}
// Initialize GLUT & OpenSG and set up the scene
int main(int argc, char **argv)
{
// OSG init
osgInit(argc,argv);
// Set up Window
TutorialWindowEventProducer = createDefaultWindowEventProducer();
WindowPtr MainWindow = TutorialWindowEventProducer->initWindow();
TutorialWindowEventProducer->setDisplayCallback(display);
TutorialWindowEventProducer->setReshapeCallback(reshape);
//Add Window Listener
TutorialKeyListener TheKeyListener;
TutorialWindowEventProducer->addKeyListener(&TheKeyListener);
TutorialMouseListener TheTutorialMouseListener;
TutorialMouseMotionListener TheTutorialMouseMotionListener;
TutorialWindowEventProducer->addMouseListener(&TheTutorialMouseListener);
TutorialWindowEventProducer->addMouseMotionListener(&TheTutorialMouseMotionListener);
// Create the SimpleSceneManager helper
mgr = new SimpleSceneManager;
// Tell the Manager what to manage
mgr->setWindow(TutorialWindowEventProducer->getWindow());
//Make a SphereNode for the point light
LambertMaterialPtr TheLightMat = LambertMaterial::create();
beginEditCP(TheLightMat, LambertMaterial::IncandescenceFieldMask);
TheLightMat->setIncandescence(Color3f(1.0,1.0,1.0));
endEditCP(TheLightMat, LambertMaterial::IncandescenceFieldMask);
GeometryPtr LightSphereGeo = makeSphereGeo(2,2.0);
beginEditCP(LightSphereGeo, Geometry::MaterialFieldMask);
LightSphereGeo->setMaterial(TheLightMat);
endEditCP (LightSphereGeo, Geometry::MaterialFieldMask);
NodePtr LightSphereNode = Node::create();
beginEditCP(LightSphereNode, Node::CoreFieldMask);
LightSphereNode->setCore(LightSphereGeo);
endEditCP (LightSphereNode, Node::CoreFieldMask);
//Create the beacon for the Point Light
Matrix ThePointLightMat;
ThePointLightMat.setTranslate(Vec3f(0.0,100.0,0.0));
ThePointLightBeaconTransform = Transform::create();
beginEditCP(ThePointLightBeaconTransform);
ThePointLightBeaconTransform->setMatrix(ThePointLightMat);
endEditCP(ThePointLightBeaconTransform);
NodePtr ThePointLightBeaconNode = Node::create();
beginEditCP(ThePointLightBeaconNode);
ThePointLightBeaconNode->setCore(ThePointLightBeaconTransform);
ThePointLightBeaconNode->addChild(LightSphereNode);
endEditCP(ThePointLightBeaconNode);
//Set the light properties desired
PointLightPtr ThePointLight = PointLight::create();
beginEditCP(ThePointLight);
ThePointLight->setAmbient(0.3,0.3,0.3,0.3);
ThePointLight->setDiffuse(1.0,1.0,1.0,1.0);
ThePointLight->setSpecular(1.0,1.0,1.0,1.0);
ThePointLight->setBeacon(ThePointLightBeaconNode);
endEditCP(ThePointLight);
NodePtr ThePointLightNode = Node::create();
beginEditCP(ThePointLightNode);
ThePointLightNode->setCore(ThePointLight);
endEditCP(ThePointLightNode);
//Set the light properties desired
SpotLightPtr TheSpotLight = SpotLight::create();
beginEditCP(TheSpotLight);
TheSpotLight->setAmbient(0.3,0.3,0.3,0.3);
TheSpotLight->setDiffuse(1.0,1.0,1.0,1.0);
TheSpotLight->setSpecular(1.0,1.0,1.0,1.0);
TheSpotLight->setBeacon(ThePointLightBeaconNode);
TheSpotLight->setDirection(Vec3f(0.0,-1.0,0.0));
TheSpotLight->setSpotExponent(5.0);
TheSpotLight->setSpotCutOff(1.1);
endEditCP(TheSpotLight);
NodePtr TheSpotLightNode = Node::create();
beginEditCP(TheSpotLightNode);
TheSpotLightNode->setCore(TheSpotLight);
endEditCP(TheSpotLightNode);
//Load in the Heightmap Image
ImagePtr PerlinNoiseImage = createPerlinImage(Vec2s(256,256), Vec2f(10.0f,10.0f),0.5f,1.0f,Vec2f(0.0f,0.0f),0.25f,6,PERLIN_INTERPOLATE_COSINE,false,Image::OSG_L_PF, Image::OSG_UINT8_IMAGEDATA);
TextureChunkPtr TheTextureChunk = TextureChunk::create();
beginEditCP(TheTextureChunk);
TheTextureChunk->setImage(PerlinNoiseImage);
endEditCP(TheTextureChunk);
//Lambert Material
LambertMaterialPtr TheLambertMat = LambertMaterial::create();
beginEditCP(TheLambertMat, LambertMaterial::ColorFieldMask | LambertMaterial::AmbientColorFieldMask | LambertMaterial::DiffuseFieldMask
| LambertMaterial::NumLightsFieldMask | LambertMaterial::DiffuseTextureFieldMask);
TheLambertMat->setColor(Color3f(0.0,1.0,0.0));
TheLambertMat->setAmbientColor(Color3f(1.0,0.0,0.0));
TheLambertMat->setDiffuse(0.5);
TheLambertMat->setNumLights(1);
endEditCP(TheLambertMat, LambertMaterial::ColorFieldMask | LambertMaterial::AmbientColorFieldMask | LambertMaterial::DiffuseFieldMask
| LambertMaterial::NumLightsFieldMask | LambertMaterial::DiffuseTextureFieldMask);
//Blinn Material
TheBlinnMat = BlinnMaterial::create();
beginEditCP(TheBlinnMat, BlinnMaterial::ColorFieldMask | BlinnMaterial::AmbientColorFieldMask | BlinnMaterial::DiffuseFieldMask
| BlinnMaterial::SpecularColorFieldMask | BlinnMaterial::SpecularEccentricityFieldMask | BlinnMaterial::SpecularRolloffFieldMask | BlinnMaterial::DiffuseTextureFieldMask);
TheBlinnMat->setColor(Color3f(1.0,0.0,0.0));
TheBlinnMat->setAmbientColor(Color3f(0.0,0.0,0.0));
TheBlinnMat->setSpecularColor(Color3f(0.0,0.0,1.0));
TheBlinnMat->setSpecularEccentricity(0.35);
TheBlinnMat->setSpecularRolloff(0.85);
TheBlinnMat->setDiffuse(0.65);
TheBlinnMat->setDiffuseTexture(TheTextureChunk);
endEditCP(TheBlinnMat, BlinnMaterial::ColorFieldMask | BlinnMaterial::AmbientColorFieldMask | BlinnMaterial::DiffuseFieldMask
| BlinnMaterial::SpecularColorFieldMask | BlinnMaterial::SpecularEccentricityFieldMask | BlinnMaterial::SpecularRolloffFieldMask | BlinnMaterial::DiffuseTextureFieldMask);
//Phong Material
Phong2MaterialPtr ThePhongMat = Phong2Material::create();
beginEditCP(ThePhongMat, Phong2Material::ColorFieldMask | Phong2Material::AmbientColorFieldMask | Phong2Material::DiffuseFieldMask
| Phong2Material::SpecularColorFieldMask | Phong2Material::SpecularCosinePowerFieldMask);
ThePhongMat->setColor(Color3f(1.0,0.0,0.0));
ThePhongMat->setAmbientColor(Color3f(0.0,0.0,0.0));
ThePhongMat->setSpecularColor(Color3f(0.0,0.0,1.0));
ThePhongMat->setSpecularCosinePower(50.0);
ThePhongMat->setDiffuse(0.65);
endEditCP(ThePhongMat, Phong2Material::ColorFieldMask | Phong2Material::AmbientColorFieldMask | Phong2Material::DiffuseFieldMask
| Phong2Material::SpecularColorFieldMask | Phong2Material::SpecularCosinePowerFieldMask);
//Anisotropic Material
AnisotropicMaterialPtr TheAnisotropicMat = AnisotropicMaterial::create();
beginEditCP(TheAnisotropicMat, AnisotropicMaterial::ColorFieldMask | AnisotropicMaterial::AmbientColorFieldMask | AnisotropicMaterial::DiffuseFieldMask
| AnisotropicMaterial::SpecularColorFieldMask | AnisotropicMaterial::SpecularRoughnessFieldMask | AnisotropicMaterial::SpecularFresnelIndexFieldMask
| AnisotropicMaterial::SpecularSpreadXFieldMask | AnisotropicMaterial::SpecularSpreadYFieldMask);
TheAnisotropicMat->setColor(Color3f(1.0,0.0,0.0));
TheAnisotropicMat->setAmbientColor(Color3f(0.0,0.0,0.0));
TheAnisotropicMat->setDiffuse(0.65);
TheAnisotropicMat->setSpecularColor(Color3f(0.0,0.0,1.0));
TheAnisotropicMat->setSpecularRoughness(32.0);
TheAnisotropicMat->setSpecularFresnelIndex(0.85);
TheAnisotropicMat->setSpecularSpreadX(1.0);
TheAnisotropicMat->setSpecularSpreadY(1.0);
endEditCP(TheAnisotropicMat, AnisotropicMaterial::ColorFieldMask | AnisotropicMaterial::AmbientColorFieldMask | AnisotropicMaterial::DiffuseFieldMask
| AnisotropicMaterial::SpecularColorFieldMask | AnisotropicMaterial::SpecularRoughnessFieldMask | AnisotropicMaterial::SpecularFresnelIndexFieldMask
| AnisotropicMaterial::SpecularSpreadXFieldMask | AnisotropicMaterial::SpecularSpreadYFieldMask);
PointChunkPtr TempChunk = PointChunk::create();
//addRefCP(TempChunk);
//Anisotropic Material
TheRampMat = RampMaterial::create();
beginEditCP(TheRampMat);
//Color
TheRampMat->setRampSource(RampMaterial::RAMP_SOURCE_FACING_ANGLE);
TheRampMat->getColors().push_back(Color3f(1.0,0.0,0.0));
TheRampMat->getColorPositions().push_back(0.4);
TheRampMat->getColorInterpolations().push_back(RampMaterial::RAMP_INTERPOLATION_SMOOTH);
TheRampMat->getColors().push_back(Color3f(0.0,1.0,0.0));
TheRampMat->getColorPositions().push_back(1.0);
//Transparency
TheRampMat->getTransparencies().push_back(Color3f(0.0,0.0,0.0));
TheRampMat->getTransparencyPositions().push_back(0.83);
TheRampMat->getTransparencyInterpolations().push_back(RampMaterial::RAMP_INTERPOLATION_SMOOTH);
TheRampMat->getTransparencies().push_back(Color3f(1.0,1.0,1.0));
TheRampMat->getTransparencyPositions().push_back(1.0);
TheRampMat->setAmbientColor(Color3f(0.0,0.0,0.0));
TheRampMat->setSpecularity(1.0);
TheRampMat->setSpecularEccentricity(0.8);
TheRampMat->getSpecularColors().push_back(Color3f(1.0,1.0,1.0));
TheRampMat->getSpecularColorPositions().push_back(0.95);
TheRampMat->getSpecularColorInterpolations().push_back(RampMaterial::RAMP_INTERPOLATION_SMOOTH);
TheRampMat->getSpecularColors().push_back(Color3f(0.0,0.0,1.0));
TheRampMat->getSpecularColorPositions().push_back(1.0);
TheRampMat->getSpecularRolloffs().push_back(1.0);
TheRampMat->getExtraChunks().push_back(TempChunk);
endEditCP(TheRampMat);
//Make the Heightmap Geometry
HeightmapGeometryPtr TutorialHeightmapGeo = HeightmapGeometry::create();
beginEditCP(TutorialHeightmapGeo, HeightmapGeometry::HeightImageFieldMask | HeightmapGeometry::DimensionsFieldMask | HeightmapGeometry::SegmentsFieldMask | HeightmapGeometry::ScaleFieldMask | HeightmapGeometry::OffsetFieldMask | HeightmapGeometry::MaterialFieldMask);
TutorialHeightmapGeo->setHeightImage(PerlinNoiseImage);
TutorialHeightmapGeo->setDimensions(Vec2f(200.0,200.0));
TutorialHeightmapGeo->setSegments(Vec2f(150.0,150.0));
TutorialHeightmapGeo->setScale(30.0);
TutorialHeightmapGeo->setOffset(0.0);
TutorialHeightmapGeo->setMaterial( TheBlinnMat );
endEditCP(TutorialHeightmapGeo, HeightmapGeometry::HeightImageFieldMask | HeightmapGeometry::DimensionsFieldMask | HeightmapGeometry::SegmentsFieldMask | HeightmapGeometry::ScaleFieldMask | HeightmapGeometry::OffsetFieldMask | HeightmapGeometry::MaterialFieldMask);
calcVertexNormals(TutorialHeightmapGeo);
calcVertexTangents(TutorialHeightmapGeo,0,Geometry::TexCoords7FieldId, Geometry::TexCoords6FieldId);
//Make the Heightmap Node
NodePtr TutorialHeightmapNode = Node::create();
beginEditCP(TutorialHeightmapNode, Node::CoreFieldMask);
TutorialHeightmapNode->setCore(TutorialHeightmapGeo);
endEditCP (TutorialHeightmapNode, Node::CoreFieldMask);
//Make a SphereNode
GeometryPtr SphereGeo = makeSphereGeo(2,50.0);
//GeometryPtr SphereGeo = makeCylinderGeo(50,20.0, 16,true,true,true);
beginEditCP(SphereGeo, Geometry::MaterialFieldMask);
SphereGeo->setMaterial(TheLambertMat);
endEditCP (SphereGeo, Geometry::MaterialFieldMask);
calcVertexNormals(SphereGeo);
calcVertexTangents(SphereGeo,0,Geometry::TexCoords7FieldId, Geometry::TexCoords6FieldId);
NodePtr SphereNode = Node::create();
beginEditCP(SphereNode, Node::CoreFieldMask);
SphereNode->setCore(SphereGeo);
endEditCP (SphereNode, Node::CoreFieldMask);
//Make Main Scene Node
NodePtr scene = Node::create();
beginEditCP(scene, Node::CoreFieldMask | Node::ChildrenFieldMask);
scene->setCore(Group::create());
// add the torus as a child
scene->addChild(TutorialHeightmapNode);
//scene->addChild(SphereNode);
scene->addChild(ThePointLightBeaconNode);
endEditCP (scene, Node::CoreFieldMask | Node::ChildrenFieldMask);
//Add the scene to the Light Nodes
//beginEditCP(ThePointLightNode, Node::ChildrenFieldMask);
//ThePointLightNode->addChild(scene);
//endEditCP(ThePointLightNode, Node::ChildrenFieldMask);
//// tell the manager what to manage
//mgr->setRoot (ThePointLightNode);
beginEditCP(TheSpotLightNode, Node::ChildrenFieldMask);
TheSpotLightNode->addChild(scene);
endEditCP(TheSpotLightNode, Node::ChildrenFieldMask);
// tell the manager what to manage
mgr->setRoot (TheSpotLightNode);
mgr->turnHeadlightOff();
// show the whole scene
mgr->showAll();
//Open Window
Vec2f WinSize(TutorialWindowEventProducer->getDesktopSize() * 0.85f);
Pnt2f WinPos((TutorialWindowEventProducer->getDesktopSize() - WinSize) *0.5);
TutorialWindowEventProducer->openWindow(WinPos,
WinSize,
"06Heightmap");
//Main Loop
TutorialWindowEventProducer->mainLoop();
osgExit();
return 0;
}