lua.wetgenes.tardis.m4.pretranslate
m4 = m4:pretranslate(x,y,z)
m4 = m4:pretranslate(x,y,z,r)
m4 = m4:pretranslate(v3a)
m4 = m4:pretranslate(v3a,r)
Translate this m4 along its global axis by {x,y,z} or v3a.
If r is provided then the result is written into r and returned otherwise m4 is modified and returned.