3D-layer orient to camera
With this expression, the 3D layer will always face toward the camera, without any tilts and distortions, as it happens if you use auto-orientation on the camera. Applies to Orientation parameter.
try{ L = thisComp.activeCamera; u = fromWorldVec(L.toWorldVec([1,0,0])); v = fromWorldVec(L.toWorldVec([0,1,0])); w = normalize(fromWorldVec(L.toWorldVec([0,0,1]))); sinb = clamp(w[0],-1,1); b = Math.asin(sinb); cosb = Math.cos(b); if (Math.abs(cosb) > .0005){ c = -Math.atan2(v[0],u[0]); a = -Math.atan2(w[1],w[2]); }else{ a = (sinb < 0 ? -1 : 1)*Math.atan2(u[1],v[1]); c = 0; } [radiansToDegrees(a),radiansToDegrees(b),radiansToDegrees(c)] }catch(err){ value }
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