export function getOrientation(v1: Vec3D, v2: Vec3D) {
// https://math.stackexchange.com/questions/624348/finding-rotation-axis-and-angle-to-align-two-oriented-vectors
const v3 = v1.cross(v2);
// prettier-ignore
return new Matrix4x4(
v1.x, v2.x, v3.x, 0,
v1.y, v2.y, v3.y, 0,
v1.z, v2.z, v3.z, 0,
0, 0, 0, 1,
);
}
export function isInverse(v1: Vec3D, v2: Vec3D) {
return v1.getInverted().equalsWithTolerance(v2, PRECISION);
}