Question

JavaScript => public var velocity: Vector3;
C# => public Vector3 velocity;

Description 描述

Incident velocity at the intersection point of the collision.

在碰撞交点的入射速度。

The velocity is reported in world coordinates regardless of whether the particle system is simulated in local coordinates.

速度是世界坐标，哪怕是粒子系统是在局部坐标系中模拟。

ParticleCollisionEvent