private void drawMarks(Graphics g) {
        int physicalPoint = physicalValue[yourBiorhythm.getPhysicalBiorhythm()] * 2;
        if (physicalImage != null) {
            g.drawImage(physicalImage,
                        gridWidth * physicalPoint + PHYSICAL_ORIGIN_X - physicalImageDimension.width / 2,
                        (int)(amplitude * Math.sin((double)(physicalPoint - 18) * Math.PI / 12.0)) + ORIGIN_Y - physicalImageDimension.height / 2,
                        this);
        } else {
            g.setColor(physicalColor);
            g.fillRoundRect(gridWidth * physicalPoint + PHYSICAL_ORIGIN_X - 7,
                        (int)(amplitude * Math.sin((double)(physicalPoint - 18) * Math.PI / 12.0)) + ORIGIN_Y - 7,
                        14, 14, 10, 10);
        }

        int sensitivityPoint = sensitivityValue[yourBiorhythm.getSensitivityBiorhythm()] * 2;
        if (sensitivityImage != null) {
            g.drawImage(sensitivityImage,
                        gridWidth * sensitivityPoint + SENSITIVITY_ORIGIN_X - sensitivityImageDimension.width / 2,
                        (int)(amplitude * Math.sin((double)(sensitivityPoint - 22) * Math.PI / 12.0)) + ORIGIN_Y - sensitivityImageDimension.height / 2,
                        this);
        } else {
            g.setColor(sensitivityColor);
            g.fillRoundRect(gridWidth * sensitivityPoint + SENSITIVITY_ORIGIN_X - 7,
                        (int)(amplitude * Math.sin((double)(sensitivityPoint - 22) * Math.PI / 12.0)) + ORIGIN_Y - 7,
                        14, 14, 10, 10);
        }

        int intellectualPoint = intellectualValue[yourBiorhythm.getIntellectualBiorhythm()] * 2;
        if (intellectualImage != null) {
            g.drawImage(intellectualImage,
                        gridWidth * intellectualPoint + INTELLECTUAL_ORIGIN_X - intellectualImageDimension.width / 2,
                        (int)(amplitude * Math.sin((double)(intellectualPoint - 2) * Math.PI / 12.0)) + ORIGIN_Y - intellectualImageDimension.height / 2,
                        this);
        } else {
            g.setColor(intellectualColor);
            g.fillRoundRect(gridWidth * intellectualPoint + INTELLECTUAL_ORIGIN_X - 7,
                        (int)(amplitude * Math.sin((double)(intellectualPoint - 2) * Math.PI / 12.0)) + ORIGIN_Y - 7,
                        14, 14, 10, 10);
        }
    }