OV.Box3D = class { constructor (min, max) { this.min = min; this.max = max; } GetMin () { return this.min; } GetMax () { return this.max; } GetCenter () { return new OV.Coord3D ( (this.min.x + this.max.x) / 2.0, (this.min.y + this.max.y) / 2.0, (this.min.z + this.max.z) / 2.0 ); } };