目录一、准备工作：安装必要的库二、代码解析：一步步搭建三维填充折线图1. 导入必要的模块2. 设置中文和负号显示3. 模拟数据4. 创建图形5. 设置颜色和样本标签6. 构建多边形区域7. 设置坐标轴和标题8. 美化网格线和
Im making a game in xna where a tank has to move over a landscape. I need to be able find the bottom of the tank when it is rotated so I can make it move up and down as the player goes over the landsc
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