Network System Laboratory - Backup source of OpenSim/llLookAt(No. 1)

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*** llLookAt()  by Janus Dugong [#wb1da18a]
        public void llLookAt(LSL_Vector target, double strength, double damping)
        {
            m_host.AddScriptLPS(1);
            // Determine where we are looking from
            LSL_Vector from = llGetPos();

            // normalized direction to target
            LSL_Vector dir = llVecNorm(target - from);

            // Janus Dugong & Fumi.Hax
            if (LSL_Vector.Mag(dir)<=0.0) return;
            //
            LSL_Vector vec_yaw = new LSL_Vector(0.0, 0.0, Math.Atan2(dir.y, dir.x));    // yaw
            LSL_Vector vec_pth = new LSL_Vector(0.0, Math.Acos(dir.z), 0.0);            // pitch
            LSL_Rotation rot_yaw = llEuler2Rot(vec_yaw);
            LSL_Rotation rot_pth = llEuler2Rot(vec_pth);
            LSL_Rotation rot = rot_pth * rot_yaw;

            // Per discussion with Melanie, for non-physical objects llLookAt appears to simply
            // set the rotation of the object, copy that behavior
            PhysicsActor pa = m_host.PhysActor;

            if (strength == 0 || pa == null || !pa.IsPhysical)
            {
                llSetRot(rot);
            }
            else
            {
                m_host.StartLookAt(rot, (float)strength, (float)damping);
            }
        }

Backup list of OpenSim/llLookAt
Backup source of OpenSim/llLookAt(No. All)
- 1: 2015-02-26 (Thu) 22:16:24 iseki
- Cur: 2015-02-26 (Thu) 22:16:41 iseki

Backup source of OpenSim/llLookAt (No. 1)

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