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        void ofApp::setupAnim() {
    ofEnableSmoothing();
    maskOpacity = 0;
    paused = false;
    maskOpacity = 30;
}

void ofApp::drawAnim() {
    ofEnableAlphaBlending();
    if(ofGetFrameNum() == 0) ofBackground(ofColor::black);
    ofSetColor(0, 0, 0, maskOpacity);
    ofRect(0, 0, width, height);
    
    ofSetColor(ofColor::red);
    for(int i = 0; i < 360; i+=10) {
        for(int j = 0; j < 4; j++) {
            x = ofRandom(0, width);
            y = ofMap(sin(ofGetFrameNum() * 0.06), -1, 1, -20, halfWidth);
            ofLine(x, y, x, y + 50);
        }
        rotateScreen(i);
    }
    
    ofDisableAlphaBlending();
    
    if(ofGetFrameNum() > 96) {
        maskOpacity += 40;
    }
    
    if(maskOpacity > 255) {
        renderGif();
    }
}

void ofApp::rotateScreen(float degrees) {
    ofTranslate(halfWidth, halfHeight, 0);
    ofRotate(degrees);
    ofTranslate(-halfWidth, -halfHeight, 0);
}