framework2

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#include "ofApp.h"
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void ofApp::setup()
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{
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    ofBackground(0);
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    ofSetFrameRate(60);
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    // Setup post-processing chain
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    post.init(ofGetWidth(), ofGetHeight());
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    post.createPass<FxaaPass>()->setEnabled(false);
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    post.createPass<BloomPass>()->setEnabled(false);
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    post.createPass<DofPass>()->setEnabled(false);
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    post.createPass<KaleidoscopePass>()->setEnabled(false);
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    post.createPass<NoiseWarpPass>()->setEnabled(false);
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    post.createPass<PixelatePass>()->setEnabled(false);
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    post.createPass<EdgePass>()->setEnabled(false);
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    post.createPass<VerticalTiltShifPass>()->setEnabled(false);
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    post.createPass<GodRaysPass>()->setEnabled(false);
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    // Setup box positions
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    for (unsigned i = 0; i < NUM_BOXES; ++i)
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    {
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        posns.push_back(ofVec3f(ofRandom(-300, 300), ofRandom(-300, 300), ofRandom(-300, 300)));
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        cols.push_back(ofColor::fromHsb(255 * i / (float)NUM_BOXES, 255, 255, 255));
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    }
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    // Setup light
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	light.setPosition(1000, 1000, 2000);
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    // create our own box mesh as there is a bug with
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    // normal scaling and ofDrawBox() at the moment
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    boxMesh = ofMesh::box(20, 20, 20);
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}
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void ofApp::update()
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{
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    ofSetWindowTitle(ofToString(ofGetFrameRate()));
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}
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void ofApp::draw()
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{
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    // setup gl state
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    ofEnableDepthTest();
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    light.enable();
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    // begin scene to post process
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    post.begin(cam);
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    // draw boxes
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    for (unsigned i = 0; i < posns.size(); ++i)
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    {
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        ofSetColor(cols[i]);
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        ofPushMatrix();
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        ofTranslate(posns[i]);
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        boxMesh.draw();
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        ofPopMatrix();
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    }
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    ofDrawAxis(100);
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    // end scene and draw
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    post.end();
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    // draw help
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    ofSetColor(0, 255, 255);
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    ofDrawBitmapString("Number keys toggle effects, mouse rotates scene", 10, 20);
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    for (unsigned i = 0; i < post.size(); ++i)
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    {
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        if (post[i]->getEnabled()) ofSetColor(0, 255, 255);
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        else ofSetColor(255, 0, 0);
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        ostringstream oss;
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        oss << i << ": " << post[i]->getName() << (post[i]->getEnabled()?" (on)":" (off)");
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        ofDrawBitmapString(oss.str(), 10, 20 * (i + 2));
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    }
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}
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void ofApp::keyPressed(int key)
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{
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    unsigned idx = key - '0';
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    if (idx < post.size()) post[idx]->setEnabled(!post[idx]->getEnabled());
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}