V2EX collision detection

Collision Detection

释义 Definition

碰撞检测:在物理模拟、机器人、计算机图形学与游戏开发中,用来判断两个或多个物体在空间中是否相交/接触,以及(在更深入的系统里)确定碰撞发生的时间、位置与接触信息的一类算法与过程。也常用于避免碰撞(路径规划、自动驾驶等)。

发音 Pronunciation (IPA)

/kln dtkn/

例句 Examples

The game uses collision detection to stop the character from walking through walls.
游戏使用碰撞检测来防止角色穿墙。

Accurate collision detection is essential in robotics, because a small error can damage the arm or the object it handles.
在机器人领域,精确的碰撞检测至关重要,因为一个小误差就可能损坏机械臂或它正在操作的物体。

词源 Etymology

collision 来自拉丁语 collidere(“相互撞击”),由 *com-*(“一起”)+ laedere/lidere(“撞、击”)相关词根演变而来;detection 源自拉丁语 detegere(“揭开、发现”)。合在一起,字面意思就是“对碰撞进行发现/判定”,在代计算机与工程语境中固定为“碰撞检测”。

相关词 Related Words

文学与著作 Literary Works

  • Christer Ericson Real-Time Collision Detection(书名即为该术语,是实时图形与游戏开发中关于碰撞检测的经典参考)
  • David H. Eberly 3D Game Engine Design(讨论引擎中的碰撞检测与相关几何算法)
  • Jason Gregory Game Engine Architecture(涵盖游戏引擎物理与碰撞检测的常见实现思路)
  • Mark de Berg et al. Computational Geometry: Algorithms and Applications(计算几何经典教材,包含与碰撞/相交判定密切相关的基础算法)
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