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        void ofApp::drawGrid() {
    for(int i = 0; i < width * 0.1 + 10; i++) {
        for(int j = 0; j < height * 0.1 + 10; j++) {
            
            noise.x = noiseOffset.x + i * scaleX;
            noise.y = noiseOffset.y + j * scaleY;
            noise.z = noiseOffset.z + sineOfTheTime;
            noiseValue = ofNoise(noise.x, noise.y, noise.z);
            
            //http://natureofcode.com/book/chapter-3-oscillation#35-polar-vs-cartesian-coordinates
            theta = noiseValue * 2 * PI;
            x = r * cos(theta);
            y = r * sin(theta);
            
            ofPushMatrix();
            ofTranslate(i * 10, j * 10);
            ofEnableBlendMode(OF_BLENDMODE_ADD);
            if(j % 2 == 0){
                ofSetColor(180, 231, 248, 150);
                ofRect(0, 0, x, y);
            } else {
                ofSetColor(255, 180, 180, 128);
                ofLine(0, 0, x, y);
            }
            ofDisableBlendMode();
            ofPopMatrix();
        }
    }
}