lua.wetgenes.tardis.m4.translate
m4 = m4:translate(x,y,z)
m4 = m4:translate(x,y,z,r)
m4 = m4:translate(v3a)
m4 = m4:translate(v3a,r)
Translate this m4 along its local 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.