void ParticleSystemParticleTrailGenerator::onCreate(const ParticleTrailGenerator *Id)
{
// assemble default material
PointChunkRecPtr pointChunk = PointChunk::create();
pointChunk->setSmooth(true);
BlendChunkRecPtr blendChunk = BlendChunk::create();
//Particle System Material
MaterialChunkRecPtr materialChunkChunk = MaterialChunk::create();
materialChunkChunk->setAmbient(Color4f(0.5f,0.5f,0.5f,1.0f));
materialChunkChunk->setDiffuse(Color4f(0.7f,0.7f,0.7f,1.0f));
materialChunkChunk->setSpecular(Color4f(0.9f,0.9f,0.9f,1.0f));
materialChunkChunk->setColorMaterial(GL_AMBIENT_AND_DIFFUSE);
// Assembling materials
ChunkMaterialRecPtr mat = ChunkMaterial::create();
mat->addChunk(materialChunkChunk);
mat->addChunk(pointChunk);
mat->addChunk(blendChunk);
PointParticleSystemDrawerRecPtr theDrawer = PointParticleSystemDrawer::create();
theDrawer->setForcePerParticleSizing(true);
ParticleSystemRecPtr newPS = ParticleSystem::create();
newPS->setDynamic(true);
setParticleSystem(newPS);
ParticleSystemCoreRecPtr newCore = ParticleSystemCore::create();
newCore->setSystem(newPS);
newCore->setMaterial(mat);
newCore->setDrawer(theDrawer);
setCore(newCore);
}
static MaterialChunkRecPtr getMatChunk(Material* matPtr) {
if (matPtr == 0) return 0;
MaterialChunkRecPtr mchunk = 0;
MaterialRecPtr mat = MaterialRecPtr(matPtr);
SimpleMaterialRecPtr smat = dynamic_pointer_cast<SimpleMaterial>(mat);
SimpleTexturedMaterialRecPtr stmat = dynamic_pointer_cast<SimpleTexturedMaterial>(mat);
ChunkMaterialRecPtr cmat = dynamic_pointer_cast<ChunkMaterial>(mat);
if (smat || stmat) {
MAC* macc = (MAC*)matPtr;
MaterialChunkRecPtr mchunk = macc->_materialChunk;
if (mchunk) return mchunk;
}
if (cmat) {
for (uint i=0; i<cmat->getMFChunks()->size(); i++) {
StateChunkRecPtr chunk = cmat->getChunk(i);
mchunk = dynamic_pointer_cast<MaterialChunk>(chunk);
if (mchunk) return mchunk;
}
}
return mchunk;
}
MaterialTransitPtr OctreeVisualization::createMatLine(OctreePtr tree,
const Octree::OTNodePtr node,
const Color3f& CoolColor,
const Color3f& HotColor,
Real32 Alpha,
BlendChunk* BaseBlendChunk,
LineChunk* BaseLineChunk
)
{
//Calculate the Color
Real32 t = static_cast<Real32>(node->getDepth())/static_cast<Real32>(tree->getDepth());
Color3f NodeColor(t*HotColor + (1.0f-t)*CoolColor);
Color4f NodeColorWithAlpha(NodeColor.red(),NodeColor.green(),NodeColor.blue(),Alpha);
MaterialChunkRecPtr DefaultMatChunk = MaterialChunk::create();
DefaultMatChunk->setAmbient(NodeColorWithAlpha);
DefaultMatChunk->setDiffuse(NodeColorWithAlpha);
ChunkMaterialRecPtr NodeMat = ChunkMaterial::create();
NodeMat->setSortKey(1);
NodeMat->addChunk(BaseBlendChunk);
NodeMat->addChunk(DefaultMatChunk);
NodeMat->addChunk(BaseLineChunk);
return MaterialTransitPtr(NodeMat);
}
void VRTransform::initTranslator() { // TODO
if (translator != 0) return;
translator = makeCoordAxis(0.3, 3, false);
translator->setTravMask(0);
addChild(translator);
GeometryRecPtr geo = dynamic_cast<Geometry*>(translator->getCore());
string shdr_vp =
"void main( void ) {"
" gl_Position = gl_ModelViewProjectionMatrix*gl_Vertex;"
" gl_Position.z = -0.1;"
" gl_FrontColor = gl_Color;"
"}";
/*string shdr_fp =
"void main( void ) {"
" gl_Position = gl_ModelViewProjectionMatrix*gl_Vertex;"
" gl_Position.z = -0.1;"
"}";*/
ChunkMaterialRecPtr mat = ChunkMaterial::create();
mat->setSortKey(100);// render last
SimpleSHLChunkRecPtr shader_chunk = SimpleSHLChunk::create();
shader_chunk->setVertexProgram(shdr_vp.c_str());
//shader_chunk->setVertexProgram(shdr_fp.c_str());
mat->addChunk(shader_chunk);
geo->setMaterial(mat);
}
void reset() {
mat = ChunkMaterial::create();
colChunk = MaterialChunk::create();
colChunk->setBackMaterial(false);
mat->addChunk(colChunk);
twoSidedChunk = TwoSidedLightingChunk::create();
mat->addChunk(twoSidedChunk);
blendChunk = 0;
texChunk = 0;
genChunk = 0;
envChunk = 0;
lineChunk = 0;
pointChunk = 0;
polygonChunk = 0;
texture = 0;
video = 0;
shaderChunk = 0;
clipChunk = 0;
stencilChunk = 0;
deffered = false;
colChunk->setDiffuse( Color4f(1, 1, 1, 1) );
colChunk->setAmbient( Color4f(0.3, 0.3, 0.3, 1) );
colChunk->setSpecular( Color4f(1, 1, 1, 1) );
colChunk->setShininess( 50 );
}
ChunkMaterialTransitPtr createMaterial(const Color4f& TheColor)
{
MaterialChunkRecPtr BackgroundMaterialChunk = MaterialChunk::create();
BackgroundMaterialChunk->setAmbient (TheColor);
BackgroundMaterialChunk->setDiffuse (TheColor);
BackgroundMaterialChunk->setSpecular(TheColor);
ChunkMaterialRecPtr BackgroundMaterial = ChunkMaterial::create();
BackgroundMaterial->addChunk(BackgroundMaterialChunk);
return ChunkMaterialTransitPtr(BackgroundMaterial);
}
GeometryTransitPtr createPathGeometry(const std::vector<Pnt3f>& Path)
{
//*******************Create the Geometry for the box
GeoUInt8PropertyRecPtr type = GeoUInt8Property::create();
//Volume bound box
type->push_back(GL_LINE_STRIP);
GeoUInt32PropertyRefPtr lens = GeoUInt32Property::create();
//Volume bound box
lens->push_back(Path.size());
Color3f CoolColor(0.0f,0.0f,1.0f),
HotColor(1.0f,0.0f,0.0f);
GeoUInt32PropertyRefPtr index = GeoUInt32Property::create();
GeoPnt3fPropertyRefPtr points = GeoPnt3fProperty::create();
GeoVec3fPropertyRefPtr colors = GeoVec3fProperty::create();
//Volume bound box
Color3f Color;
Real32 t;
for(UInt32 i(0) ; i<Path.size() ; ++i)
{
t = static_cast<Real32>(i)/static_cast<Real32>(Path.size());
Color = (t*CoolColor) + ((1.0f-t)*HotColor);
index->push_back(i);
points->push_back(Path[i]);
colors->push_back(Color);
}
GeometryRecPtr PathGeo = Geometry::create();
PathGeo->setTypes (type);
PathGeo->setLengths (lens);
PathGeo->setIndices (index);
PathGeo->setPositions (points);
PathGeo->setColors (colors);
//Create the material for the line
LineChunkRecPtr DefaultLineChunk = LineChunk::create();
DefaultLineChunk->setWidth(2.0f);
MaterialChunkRecPtr DefaultMaterialChunk = MaterialChunk::create();
DefaultMaterialChunk->setLit(false);
ChunkMaterialRecPtr DefaultChunkMaterial = ChunkMaterial::create();
DefaultChunkMaterial->addChunk(DefaultMaterialChunk);
DefaultChunkMaterial->addChunk(DefaultLineChunk);
PathGeo->setMaterial(DefaultChunkMaterial);
return GeometryTransitPtr(PathGeo);
}
static BlendChunkRecPtr getBlendChunk(Material* matPtr) {
MaterialRecPtr mat = MaterialRecPtr(matPtr);
ChunkMaterialRecPtr cmat = dynamic_pointer_cast<ChunkMaterial>(mat);
BlendChunkRecPtr bchunk = 0;
if (cmat) {
for (uint i=0; i<cmat->getMFChunks()->size(); i++) {
StateChunkRecPtr chunk = cmat->getChunk(i);
bchunk = dynamic_pointer_cast<BlendChunk>(chunk);
if (bchunk) return bchunk;
}
}
return bchunk;
}
VRShader::VRShader(ChunkMaterialRecPtr mat) {
shader_chunk = ShaderProgramChunk::create();
mat->addChunk(shader_chunk);
vProgram = ShaderProgram::createVertexShader ();
fProgram = ShaderProgram::createFragmentShader();
gProgram = ShaderProgram::createGeometryShader();
shader_chunk->addShader(vProgram);
shader_chunk->addShader(fProgram);
shader_chunk->addShader(gProgram);
vProgram->createDefaulAttribMapping();
vProgram->addOSGVariable("OSGViewportSize");
}
MaterialTransitPtr OctreeVisualization::createMatFilled(OctreePtr tree,
const Octree::OTNodePtr node,
const Color3f& CoolColor,
const Color3f& HotColor,
Real32 Alpha,
BlendChunk* BaseBlendChunk,
PolygonChunk* BasePolygonChunk
)
{
//Calculate the Color
//Real32 t = static_cast<Real32>(node->getDepth())/static_cast<Real32>(tree->getDepth());
//Color3f NodeColor(t*HotColor + (1.0f-t)*CoolColor);
Color3f NodeColor;
Color4f NodeColorWithAlpha;
if(node->getContainsObstacles())
{
NodeColor = HotColor;
NodeColorWithAlpha.setValuesRGBA(NodeColor.red(),NodeColor.green(),NodeColor.blue(),0.55);
}
else
{
NodeColor = CoolColor;
NodeColorWithAlpha.setValuesRGBA(NodeColor.red(),NodeColor.green(),NodeColor.blue(),0.05);
}
MaterialChunkRecPtr DefaultMatChunk = MaterialChunk::create();
DefaultMatChunk->setAmbient(NodeColorWithAlpha);
DefaultMatChunk->setDiffuse(NodeColorWithAlpha);
ChunkMaterialRecPtr NodeMat = ChunkMaterial::create();
NodeMat->setSortKey(1);
NodeMat->addChunk(BaseBlendChunk);
NodeMat->addChunk(BasePolygonChunk);
NodeMat->addChunk(DefaultMatChunk);
return MaterialTransitPtr(NodeMat);
}
void VRMaterial::setMaterial(MaterialRecPtr m) {
if ( dynamic_pointer_cast<MultiPassMaterial>(m) ) {
MultiPassMaterialRecPtr mm = dynamic_pointer_cast<MultiPassMaterial>(m);
for (unsigned int i=0; i<mm->getNPasses(); i++) {
if (i > 0) addPass();
setMaterial(mm->getMaterials(i));
}
setActivePass(0);
return;
}
if ( isSMat(m) ) {
SimpleMaterialRecPtr sm = dynamic_pointer_cast<SimpleMaterial>(m);
setDiffuse(sm->getDiffuse());
setAmbient(sm->getAmbient());
setSpecular(sm->getSpecular());
if ( isSTMat(m) ) {
SimpleTexturedMaterialRecPtr stm = dynamic_pointer_cast<SimpleTexturedMaterial>(m);
setTexture( VRTexture::create(stm->getImage()), true);
}
return;
}
if ( isCMat(m) ) {
MaterialChunkRecPtr mc = 0;
BlendChunkRecPtr bc = 0;
TextureEnvChunkRecPtr ec = 0;
TextureObjChunkRecPtr tc = 0;
ChunkMaterialRecPtr cmat = dynamic_pointer_cast<ChunkMaterial>(m);
for (uint i=0; i<cmat->getMFChunks()->size(); i++) {
StateChunkRecPtr chunk = cmat->getChunk(i);
if (mc == 0) mc = dynamic_pointer_cast<MaterialChunk>(chunk);
if (bc == 0) bc = dynamic_pointer_cast<BlendChunk>(chunk);
if (ec == 0) ec = dynamic_pointer_cast<TextureEnvChunk>(chunk);
if (tc == 0) tc = dynamic_pointer_cast<TextureObjChunk>(chunk);
}
auto md = mats[activePass];
if (mc) mc->setBackMaterial(false);
if (mc) {
if (md->colChunk) md->mat->subChunk(md->colChunk);
md->colChunk = mc;
md->mat->addChunk(mc);
}
if (bc) {
if (md->blendChunk) md->mat->subChunk(md->blendChunk);
md->blendChunk = bc;
md->mat->addChunk(bc);
}
if (ec) {
if (md->envChunk) md->mat->subChunk(md->envChunk);
md->envChunk = ec;
md->mat->addChunk(ec);
}
if (tc) {
if (md->texChunk) md->mat->subChunk(md->texChunk);
md->texChunk = tc;
md->mat->addChunk(tc);
}
return;
}
cout << "Warning: unhandled material type\n";
if (dynamic_pointer_cast<Material>(m)) cout << " Material" << endl;
if (dynamic_pointer_cast<PrimeMaterial>(m)) cout << " PrimeMaterial" << endl;
if (dynamic_pointer_cast<SimpleMaterial>(m)) cout << " SimpleMaterial" << endl;
if (dynamic_pointer_cast<SimpleTexturedMaterial>(m)) cout << " SimpleTexturedMaterial" << endl;
if (dynamic_pointer_cast<VariantMaterial>(m)) cout << " VariantMaterial" << endl;
if (dynamic_pointer_cast<ChunkMaterial>(m)) cout << " ChunkMaterial" << endl;
if (dynamic_pointer_cast<MultiPassMaterial>(m)) cout << " MultiPassMaterial" << endl;
if (dynamic_pointer_cast<CompositeMaterial>(m)) cout << " CompositeMaterial" << endl;
if (dynamic_pointer_cast<SwitchMaterial>(m)) cout << " SwitchMaterial" << endl;
}
int main(int argc, char **argv)
{
// OSG init
osgInit(argc,argv);
{
// Set up Window
WindowEventProducerRecPtr TutorialWindow = createNativeWindow();
TutorialWindow->initWindow();
// Create the SimpleSceneManager helper
SimpleSceneManager sceneManager;
TutorialWindow->setDisplayCallback(boost::bind(display, &sceneManager));
TutorialWindow->setReshapeCallback(boost::bind(reshape, _1, &sceneManager));
// Tell the Manager what to manage
sceneManager.setWindow(TutorialWindow);
//Attach to events
TutorialWindow->connectMousePressed(boost::bind(mousePressed, _1, &sceneManager));
TutorialWindow->connectMouseReleased(boost::bind(mouseReleased, _1, &sceneManager));
TutorialWindow->connectMouseDragged(boost::bind(mouseDragged, _1, &sceneManager));
TutorialWindow->connectMouseWheelMoved(boost::bind(mouseWheelMoved, _1, &sceneManager));
//Particle System Material
PointChunkRecPtr PSPointChunk = PointChunk::create();
PSPointChunk->setSize(5.0f);
PSPointChunk->setSmooth(true);
BlendChunkRecPtr PSBlendChunk = BlendChunk::create();
PSBlendChunk->setSrcFactor(GL_SRC_ALPHA);
PSBlendChunk->setDestFactor(GL_ONE_MINUS_SRC_ALPHA);
MaterialChunkRecPtr PSMaterialChunkChunk = MaterialChunk::create();
PSMaterialChunkChunk->setAmbient(Color4f(0.5f,0.5f,0.5f,0.3f));
PSMaterialChunkChunk->setDiffuse(Color4f(0.8f,0.8f,0.8f,0.3f));
PSMaterialChunkChunk->setSpecular(Color4f(1.0f,1.0f,1.0f,0.3f));
PSMaterialChunkChunk->setColorMaterial(GL_AMBIENT_AND_DIFFUSE);
ChunkMaterialRecPtr PSMaterial = ChunkMaterial::create();
PSMaterial->addChunk(PSPointChunk);
PSMaterial->addChunk(PSMaterialChunkChunk);
PSMaterial->addChunk(PSBlendChunk);
//Particle System
ParticleSystemRecPtr ExampleParticleSystem = ParticleSystem::create();
for(UInt32 i(0) ; i<10 ; ++i)
{
ExampleParticleSystem->addParticle(Pnt3f(i,i,i),
Vec3f(0.0,0.0f,1.0f),
Color4f(1.0,0.0,0.0,0.5),
Vec3f(1.0,1.0,1.0),
-1.0,
Vec3f(0.0f,0.0f,0.0f), //Velocity
Vec3f(0.0f,0.0f,0.0f)
);
}
ExampleParticleSystem->attachUpdateProducer(TutorialWindow);
//Particle System Drawer
//Point
PointParticleSystemDrawerRecPtr ExamplePointDrawer = PointParticleSystemDrawer::create();
//ExamplePointParticleSystemDrawer->setForcePerParticleSizing(true);
//Line
LineParticleSystemDrawerRecPtr ExampleLineDrawer = LineParticleSystemDrawer::create();
ExampleLineDrawer->setLineDirectionSource(LineParticleSystemDrawer::DIRECTION_NORMAL);//DIRECTION_VELOCITY_CHANGE);
ExampleLineDrawer->setLineLengthSource(LineParticleSystemDrawer::LENGTH_SIZE_X);
//Quad
QuadParticleSystemDrawerRecPtr ExampleQuadDrawer = QuadParticleSystemDrawer::create();
//Disc
DiscParticleSystemDrawerRecPtr ExampleDiscDrawer = DiscParticleSystemDrawer::create();
ExampleDiscDrawer->setSegments(16);
ExampleDiscDrawer->setCenterAlpha(1.0);
ExampleDiscDrawer->setEdgeAlpha(0.0);
//Particle System Node
ParticleSystemCoreRecPtr ParticleNodeCore = ParticleSystemCore::create();
ParticleNodeCore->setSystem(ExampleParticleSystem);
ParticleNodeCore->setDrawer(ExampleLineDrawer);
ParticleNodeCore->setMaterial(PSMaterial);
NodeRecPtr ParticleNode = Node::create();
ParticleNode->setCore(ParticleNodeCore);
// Make Main Scene Node
NodeRecPtr scene = Node::create();
scene->setCore(Group::create());
scene->addChild(ParticleNode);
sceneManager.setRoot(scene);
TutorialWindow->connectKeyTyped(boost::bind(keyTyped, _1,
&sceneManager,
ParticleNodeCore.get(),
ExamplePointDrawer,
ExampleLineDrawer,
ExampleQuadDrawer,
ExampleDiscDrawer
));
//Create the Documentation
SimpleScreenDoc TheSimpleScreenDoc(&sceneManager, TutorialWindow);
// Show the whole Scene
sceneManager.showAll();
//Open Window
Vec2f WinSize(TutorialWindow->getDesktopSize() * 0.85f);
Pnt2f WinPos((TutorialWindow->getDesktopSize() - WinSize) *0.5);
TutorialWindow->openWindow(WinPos,
WinSize,
"01ParticleSystemDrawers");
commitChanges();
//Enter main Loop
TutorialWindow->mainLoop();
}
osgExit();
return 0;
}