Objekt in Richtung eines anderen Objektes rotieren

vector SF_spos = <x,y,z>; //start position
vector SF_epos = <x,y,z>; //end position

float fDistance = llVecDist(<SF_epos.x,SF_epos.y,0>,<SF_spos.x,SF_spos.y,0>;);//XY Distance
rotation rotZ = llRotBetween(<1,0,0>,llVecNorm(<fDistance, 0, SF_epos.z - SF_spos.z>;));//up/down rotation
rotation rotXY = llRotBetween(<1,0,0>,llVecNorm(<SF_epos.x - SF_spos.x,SF_epos.y - SF_spos.y,0>;));//left/right rotation
rotation absRot = rotZ*rotXY; //absolute rotation
llSetRot(absRot);

rotation relRot = absRot/llGetRot();
llSetKeyframedMotion( [
<0.0, 0.0, 0.0>, relRot, 1.0
], );