integer g_is_rotating = FALSE;
 default
 {
    // toggle state during the touch handler
    touch(integer num)
    {
        if(g_is_rotating)
        {
            // turn off rotation

           llSay(0,"turn off rotation");
            llTargetOmega(<0,0,1>, 0, 0);
            g_is_rotating = FALSE;
        }
        else
        {
            // rotate around the positive z axis - up.

            llSay(0,"rotate around the positive z axis - up.");
            llTargetOmega(<0,0,1>, 4, 1);
            g_is_rotating = TRUE;
        }
    }
 }
//这段脚本是Linden Scripting Language Guide 中的，我把它应用到物体上，我的物体为何不会旋转？哪位高人给解释一下？

//点击物体时的确看见了 ,"turn off rotation"和"rotate around the positive z axis - up."的，保证脚本得到运行了的。