if(SCREEN_WIDTH < SCREEN_HEIGHT){
                temp_x = (int)(PRE_SCREEN_WIDTH * ratio);
                temp_y = (int)(PRE_SCREEN_HEIGHT * ratio);
        }else{
                temp_x = (int)(PRE_SCREEN_HEIGHT * ratio);
                temp_y = (int)(PRE_SCREEN_WIDTH * ratio);
        }
        //填充多余的空间
        if(x == y){

        }if(x > 0){
            MyRectColor mrcBorder1 = Box2dUtil.createBox(x/2, temp_y/2,
                    x/2,temp_y/2,
                    true,world,
                    0f,0f,0f,
                    temp_c, -100);
            al.add(mrcBorder1);
            MyRectColor mrcBorder2 = Box2dUtil.createBox(x/2 + temp_x + x, temp_y/2,
                    x/2,temp_y/2,
                    true,world,
                    0f,0f,0f,
                    temp_c, -100);
            al.add(mrcBorder2);
        }else if(y > 0){
            MyRectColor mrcBorder1 = Box2dUtil.createBox(x + temp_x/2, y/2,
                    temp_x/2,y/2,
                    true,world,
                    0f,0f,0f,
                    temp_c, -100);
            al.add(mrcBorder1);
            MyRectColor mrcBorder2 = Box2dUtil.createBox(x + temp_x/2, y + temp_y + y/2,
                    temp_x/2,y/2,
                    true,world,
                    0f,0f,0f,
                    temp_c, -100);
            al.add(mrcBorder2);
        }

        //四个边框
        //左
        MyRectColor mrcleft=Box2dUtil.createBox( x + kd/2*ratio, y + temp_y/2, kd/2*ratio, temp_y/2,
                true,world,0,0, 0,Color.RED, -5);
        al.add(mrcleft);
        //右
        MyRectColor mrcright=Box2dUtil.createBox(x + temp_x - kd/2*ratio, y + temp_y/2, kd/2*ratio, temp_y/2,
                true,world,0,0, 0,Color.RED, -5);
        al.add(mrcright);
        //上
        MyRectColor mrcup=Box2dUtil.createBox(x + temp_x/2, y + kd/2*ratio, y + temp_x/2, kd/2*ratio,
                true,world,0,0, 0,Color.RED, -5);
        al.add(mrcup);
        //下
        MyRectColor mrclow=Box2dUtil.createBox(x + temp_x/2, y + temp_y-kd/2*ratio, temp_x/2, kd/2*ratio,
                true,world,0,0, 0,Color.RED, -5);
        al.add(mrclow);