V2EX axis-aligned

Axis-aligned

Definition / 定义

axis-aligned(轴对齐的):指物体的边或方向与坐标轴(通常是 x、y、z 轴)保持平行对齐,不发生旋转偏斜。常见于数学、计算机图形学、计算几何与游戏开发中(如“轴对齐包围盒”)。

Pronunciation / 发音

/k.ss land/

Examples / 例句

The rectangle is axis-aligned.
这个矩形是轴对齐的。

To speed up collision checks, the engine uses an axis-aligned bounding box that encloses the moving model even as the camera changes.
为了加速碰撞检测,引擎使用轴对齐包围盒来包住移动的模型,即使摄像机变化也能高效计算。

Etymology / 词源

axis(轴、坐标轴) + aligned(对齐的) 组合而成,是技术语境中常用的复合形容词。含义直观:与“轴”保持对齐(平行)。在计算机图形学与几何算法里,为了简化计算,常优先使用“轴对齐”的形状或边界。

Related Words / 相关词

Literary Works / 文学作品与著作

  • Real-Time Collision Detection(Christer Ericson)大量讨论 axis-aligned bounding box (AABB) 的构建与相交测试。
  • Computational Geometry: Algorithms and Applications(Mark de Berg 等)在矩形、范围查询等问题中常用 axis-aligned 的几何对象作基础模型。
  • Computer Graphics: Principles and Practice(Foley, van Dam 等)在图形学坐标系统与空间数据结构的语境中常出现与“轴对齐”相关的表述与应用。
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