漫游者程序

1、　　绘制一个适当的三维物体及场景（自选）；

2、　　实现摄像漫游：通过鼠标来上下左右地移动摄像机，或通过键盘键（或向上、向下、向左和向右方向键）来前后左右地移动摄像机；

3、　　实现摄像机环视：通过鼠标或键盘旋转摄像机环顾四周，以及左右巡视、向上仰视和向下俯视等操作。-Rover program

1, draw a proper three-dimensional objects and scenes (optional)　2 to achieve roaming camera: up and down through the mouse to move the camera around, or through the keyboard keys (or up, down, left and right arrow keys ) to move the camera all around　3 to achieve the camera looking around: Adoption of the mouse or keyboard, rotate the camera to look around, as well as about inspections up look up and down overlooking such an operation.