ランダムなUIColorを取得

gistfile1.c

static UIColor * randomColorWithRGB() {
    srand(time(NULL));
    int rgb = random() % 3;
    int code = random() % 10;
    UIColor *color;
    switch (rgb) {
        case 0:
            color = [UIColor colorWithRed:0.1 * code green:1.0 blue:1.0 alpha:1.0];
            break;

        case 1:
            color = [UIColor colorWithRed:1.0 green:0.1 * code blue:1.0 alpha:1.0];
            break;

        default:
            color = [UIColor colorWithRed:1.0 green:1.0 blue:0.1 * code alpha:1.0];
            break;
    }
    return color;
}