function lookAtMe(fromPt, toPt){ lkAt = lookAt(fromPt, toPt);
if (toPt[1] > fromPt[1]){
return 180-lkAt[1]; }
else {
return lkAt[1]; }}
p0= transform.position; // look from point
p1=thisComp.layer("targetLayer").transform.position; // looked-at point
lookAtMe(p0, p1)