• permalink
• code
• show snippet

        
void ofApp::setup(){
    ofSetWindowShape(500, 500);
    gif.setupPaused(ofGetTimestampString("out/%Y-%m-%d"), 35, 85);
    gif.fadeInOut(3, 6, ofColor::white);
    gif.enableTextOverlay();
    numTissues = 16;
    numRoads = 4;
    masker.setup(numRoads);

    road.setup("road.png", 1.0, TEXTURE_OFFSET_MIDDLE_CENTER);
    road.incrementTextureOffsetX(0.5);
    for(int i = 0; i < numRoads; i++) {
        scale = ofMap(i, 0, numRoads-1, 2, 0.5);
        road.setTextureScale(scale);
        road.setTextureOffsetY(ofRandom(2));
        roads.push_back(road);

        tissuesLoader.clear();
        scale = ofMap(i, 0, numRoads-1, 8, 0.5);
        tissue.setup("tissue.png", scale, TEXTURE_OFFSET_MIDDLE_CENTER);
        tissue.incrementTextureOffsetX(-0.5);
        tissue.setTextureOffsetY(ofRandom(2));
        for(int j = 0; j < numTissues; j++) {
            tissuesLoader.push_back(tissue);
        }
        tissues.push_back(tissuesLoader);
    }
}

void ofApp::update(){
    for(int i = 0; i < numRoads; i++) {
        masker.beginLayer(i);
        {
            ofSetColor(i % 2 == 0 ? ofColor::red : ofColor::white);
            roads.at(i).incrementTextureOffsetY(ofMap(i, 0, numRoads-1, -0.002, 0.002));
            roads.at(i).draw();
        }
        masker.endLayer(i);
        
        masker.beginMask(i);
        {
            ofSetColor(ofColor::white);
            ofBackground(ofColor::white);
            for(int j = 0; j < tissues.size(); j++) {
                tissues.at(i).at(j).incrementTextureOffsetY((j+1) * 0.0006);
                tissues.at(i).at(j).draw();
            }
        }
        masker.endMask(i);
    }
}

void ofApp::draw(){
    gif.begin();
    {
        masker.draw();
    }
    gif.endCaptureDraw();
    masker.drawOverlay();
}