public static void drawFilledCircle(int xx, int yy, float radius, Color col) {
        int sections = 50;
        double dAngle = 2 * Math.PI / sections;
        float x, y;

        glPushMatrix();
        glEnable(GL_BLEND);
        glDisable(GL_TEXTURE_2D);
        glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
        glEnable(GL_LINE_SMOOTH);
        glBegin(GL_TRIANGLE_FAN);

        for (int i = 0; i < sections; i++) {
            x = (float) (radius * Math.sin((i * dAngle)));
            y = (float) (radius * Math.cos((i * dAngle)));

            glColor4f(col.getRed() / 255f, col.getGreen() / 255f, col.getBlue() / 255f, col.getAlpha() / 255f);
            glVertex2f(xx + x, yy + y);
        }
        GlStateManager.color(0, 0, 0);
        glEnd();
        glEnable(GL_TEXTURE_2D);
        glDisable(GL_BLEND);
        glDisable(GL_LINE_SMOOTH);
        glPopMatrix();
    }