For AI agents: the complete documentation index is available at /llms.txt, the full documentation bundle is available at /llms-full.txt, and this page is available as Markdown at /math/variables/VECTOR3_DOWN.md.

    Variable: VECTOR3_DOWN

    const VECTOR3_DOWN: Vector3

    down

    A unit vector representing the world DOWN direction (0,-1,0)

    表示世界下方方向的单位向量 (0,-1,0)。

    源码