diff options
Diffstat (limited to '06_performance/src/oni.cpp')
| -rw-r--r-- | 06_performance/src/oni.cpp | 90 |
1 files changed, 62 insertions, 28 deletions
diff --git a/06_performance/src/oni.cpp b/06_performance/src/oni.cpp index 346adec..20b67bb 100644 --- a/06_performance/src/oni.cpp +++ b/06_performance/src/oni.cpp @@ -31,6 +31,8 @@ void syncOniPlayer::play(){ }; //sleep(2); drawable=true; + startTime=ofGetElapsedTimef(); + playerActive=true; } } void syncOniPlayer::update(){ @@ -48,6 +50,10 @@ int syncOniPlayer::getCurrentFrame(){ if (players.size()) return players[0]->getCurrentFrame(); else return -1; } +float syncOniPlayer::getPosition(){ + if (players.size()) return players[0]->getPosition(); + else return -1.0f; +} void syncOniPlayer::drawWindows(){ if (!drawable) return; for (int i=0;i<players.size();i++) { @@ -96,8 +102,9 @@ void syncOniPlayer::drawCloud(int step){ return; } -void syncOniPlayer::drawPoints(float birth,float life,float dx,float dy, float dz,float size){ +void syncOniPlayer::drawPoints(float _birth,float life,float dx,float dy, float dz,float size){ if (!drawable) return; + //glEnable(GL_PROGRAM_POINT_SIZE); //glEnable(GL_POINT_SMOOTH); //glHint(GL_POINT_SMOOTH_HINT, GL_NICEST); @@ -105,33 +112,55 @@ void syncOniPlayer::drawPoints(float birth,float life,float dx,float dy, float d glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA ); //glPointSize( size); //glBegin(GL_POINTS); - const XnDepthPixel* depthmap=players[0]->getDepthGenerator().GetDepthMap(); - const ofPixels& pixels=players[0]->getImagePixels(); - int range=1700; - int dmw=players[0]->getWidth(); - int dmh=players[0]->getHeight(); - if (dmw&&dmh){ - int step=pixels.getWidth()/dmw; - for (int o=0;o<birth;o++) { - int i=ofRandom(dmw); - int j=ofRandom(dmh); - ofPoint p= players[0]->projectiveToWorld(ofPoint(i,j,(float)depthmap[j*dmw+i])); - if (p.z <100 || p.z>range) continue; - //points.push_back(fpoint(p.x, p.y, p.z,pixels[((j*step*dmw)+(i*step))*3],pixels[((j*step*dmw)+(i*step))*3]+1,pixels[((j*step*dmw)+(i*step))*3]+2)); - //fpoint f=fpoint(p.x, p.y, p.z,pixels[((j*step*dmw)+(i*step))*3],pixels[((j*step*dmw)+(i*step))*3]+1,pixels[((j*step*dmw)+(i*step))*3]+2); - //f.draw(life,dx,dy,dz); - if (pointPool.size()) {//take 1st dead particle - points[(*pointPool.begin())].setup(p.x, p.y, p.z, - LUT[pixels[((j*step*dmw)+(i*step))*3]], - LUT[pixels[((j*step*dmw)+(i*step))*3]+1], - LUT[pixels[((j*step*dmw)+(i*step))*3]+2] - ); - pointPool.erase(pointPool.begin()); - } - else {//make a new one - points.push_back(fpoint(p.x, p.y, p.z,pixels[((j*step*dmw)+(i*step))*3],pixels[((j*step*dmw)+(i*step))*3]+1,pixels[((j*step*dmw)+(i*step))*3]+2)); - } - } + + if (playerActive){ + //apply envelope + float attackSeconds=2.0f; + float playOutFraction=0.9f; + float birth; + float clipTime=ofGetElapsedTimef()-startTime; + if (clipTime<attackSeconds) { + //ramp in + birth=_birth*(clipTime/attackSeconds); + } + else if (players[0]->getPosition()>playOutFraction) { + //cerr<<"playing out!"<<endl; + birth=_birth*(1.0f-((players[0]->getPosition()-playOutFraction)/(1.0f-playOutFraction))); + //if it reaches the end stop creating points but allow old points to play out + if (players[0]->getPosition()>0.99) playerActive=false; + } + else birth=_birth; + + //cerr<<birth<<" "<<clipTime<<" "<<players[0]->getPosition()<<endl; + + const XnDepthPixel* depthmap=players[0]->getDepthGenerator().GetDepthMap(); + const ofPixels& pixels=players[0]->getImagePixels(); + int range=1700; + int dmw=players[0]->getWidth(); + int dmh=players[0]->getHeight(); + if (dmw&&dmh){ + int step=pixels.getWidth()/dmw; + for (int o=0;o<birth;o++) { + int i=ofRandom(dmw); + int j=ofRandom(dmh); + ofPoint p= players[0]->projectiveToWorld(ofPoint(i,j,(float)depthmap[j*dmw+i])); + if (p.z <100 || p.z>range) continue; + //points.push_back(fpoint(p.x, p.y, p.z,pixels[((j*step*dmw)+(i*step))*3],pixels[((j*step*dmw)+(i*step))*3]+1,pixels[((j*step*dmw)+(i*step))*3]+2)); + //fpoint f=fpoint(p.x, p.y, p.z,pixels[((j*step*dmw)+(i*step))*3],pixels[((j*step*dmw)+(i*step))*3]+1,pixels[((j*step*dmw)+(i*step))*3]+2); + //f.draw(life,dx,dy,dz); + if (pointPool.size()) {//take 1st dead particle + points[(*pointPool.begin())].setup(p.x, p.y, p.z, + LUT[pixels[((j*step*dmw)+(i*step))*3]], + LUT[pixels[((j*step*dmw)+(i*step))*3]+1], + LUT[pixels[((j*step*dmw)+(i*step))*3]+2] + ); + pointPool.erase(pointPool.begin()); + } + else {//make a new one + points.push_back(fpoint(p.x, p.y, p.z,pixels[((j*step*dmw)+(i*step))*3],pixels[((j*step*dmw)+(i*step))*3]+1,pixels[((j*step*dmw)+(i*step))*3]+2)); + } + } + } } for (int i=0;i<points.size();i++){ if (!points[i].draw(life,dx,dy,dz,size)) { @@ -155,6 +184,7 @@ void syncOniPlayer::stop(){ } } drawable=false; + playerActive=false; } //================= void oniManager::init(const char* filename){ @@ -217,4 +247,8 @@ void oniManager::drawPoints(float size,float birth,float life,float dx,float dy, players[playing].drawPoints(birth,life,dx,dy,dz,size); } } +syncOniPlayer* oniManager::getCurrentPlayer(){ + if (players.size()>playing&&playing>-1) return &players[playing]; + else return NULL; +} |