protected void paint(Graphics g) {
        long start = System.currentTimeMillis();
        for (int i = 0; i < 100; i++) {
            red = Math.abs(r.nextInt() % 255);
            green = Math.abs(r.nextInt() % 255);
            blue = Math.abs(r.nextInt() % 255);
            System.out.println(red +", " + green
                    + ", " + blue);
            g.setColor(red, green, blue);
            g.fillTriangle((int)(this.getWidth()*r.nextFloat()), (int)(this.getHeight()*r.nextFloat()), (int)(this.getWidth()*r.nextFloat()), (int)(this.getHeight()*r.nextFloat()), (int)(this.getWidth()*r.nextFloat()), (int)(this.getHeight()*r.nextFloat()));
        }
        long stop = System.currentTimeMillis();
        napis = "Czas wykonania: " + (stop-start) + "ms";
        g.setColor(255, 255, 255);
        g.setFont(Font.getFont(Font.FACE_PROPORTIONAL, Font.STYLE_PLAIN, Font.SIZE_SMALL));
        g.drawString(napis, this.getWidth()/2, this.getHeight()/2, Graphics.BASELINE | Graphics.HCENTER);


    }