A direction and magnitude in space as [x, y, z]. Structurally identical to Point3; use this
name where the value means a direction - a normal, an axis, an offset - rather than a position.
Many operations expect it normalised, and say so on the parameter.
A direction and magnitude in space as [x, y, z]. Structurally identical to Point3; use this name where the value means a direction - a normal, an axis, an offset - rather than a position. Many operations expect it normalised, and say so on the parameter.