1 files changed, 0 insertions, 153 deletions

diff --git a/linden/indra/newview/head.cpp b/linden/indra/newview/head.cpp
deleted file mode 100644
index 54047cb..0000000
--- a/linden/indra/newview/head.cpp
+++ /dev/null
@@ -1,153 +0,0 @@
-/** 
- * @file head.cpp
- * @brief Head class implementation
- *
- * $LicenseInfo:firstyear=2000&license=viewergpl$
- * 
- * Copyright (c) 2000-2008, Linden Research, Inc.
- * 
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab.  Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- * 
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/flossexception
- * 
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- * 
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
-
-// implementation of a class that models the motion of a human head.
-// The physics aren't quite right, but it will suffice for right now.
-
-#include "llviewerprecompiledheaders.h"
-
-#include "head.h"
-
-#ifndef PI
-  #define PI ((F32) 3.14159265358979323846264338327)
-#endif
-
-// The friction force of the neck is modeled as:
-//   friction = -E*phi_dot - F*phi_dot  (for positive phi_dot)
-#define E1 0.75
-#define F1 0.0
-
-// TODO -- use the other PI defined in the math libs somewhere.
-
-// --------------------------------------------------
-// Misc. function delclarations...
-// --------------------------------------------------
-F32 phi_spring(F32 phi, F32 theta);
-F32 theta_spring(F32 theta, F32 phi);
-
-
-// --------------------------------------------------
-// Class Head member functions...
-// --------------------------------------------------
-
-Head::Head() {
-  mass = 1.0f;
-  radius = 1.0f;
-  inertia = 2.0f * mass * radius * radius / 5.0f;
-  phi = 0.0f;
-  theta = 0.0f;
-  //gettimeofday(&t, &tz);
-}
-
-Head::Head(F32 m, F32 r) {
-  mass = m;
-  radius = r;
-  inertia = 2.0f * mass * radius * radius / 5.0f;
-  phi = 0.0f;
-  theta = 0.0f;
-  //gettimeofday(&t, &tz);
-}
-
-F32 Head::setMass(F32 m) { 
-  mass = m; 
-  inertia = 2.0f * mass * radius * radius / 5.0f;
-  return mass;
-}
-
-F32 Head::setRadius(F32 r) { 
-  radius = r; 
-  inertia = 2.0f * mass * radius * radius / 5.0f;
-  return radius;
-}
-
-F32 Head::getMass()    { return mass;    }
-F32 Head::getRadius()  { return radius;  }
-F32 Head::getInertia() { return inertia; }
-
-void Head::propagate(F32 horizontal_force, F32 vertical_force, F32 dt) {
-  //struct timeval t1;
-  //F32 dt, temp;
-  F32 phi_torque, theta_torque;
-  F32 phi_dot, theta_dot;
-
-  //gettimeofday(&t1, &tz);
-  //dt = ((t1.tv_sec - t.tv_sec) * 1000000.0  + (t1.tv_usec - t.tv_usec)) / 1000000.0;
-  //dt = 0.033;  // This is a kluge to prevent instabilities when using a stepper
-
-  // Calculate the return forces...
-  // Note: horizontal_force is positive toward right, so it's resultant torque
-  // is negative, since the phi spin angle is out the top of the head (using 
-  // right-hand rule).
-  phi_torque   = radius * (phi_spring(phi, theta)   - horizontal_force); 
-  theta_torque = radius * (theta_spring(phi, theta) + vertical_force);
-
-  // Propagate phi...
-  phi_dot = dt * phi_torque / inertia;
- 
-  phi += dt * phi_dot;
-  if (phi >= PI/2.0f) {
-    phi = PI/2.0f;
-  }
-  else if (phi <= -PI/2.0f) {
-    phi = -PI/2.0f;
-  }
-
-  // Propagate theta...
-  theta_dot = dt * theta_torque / inertia;
-  theta += dt * theta_dot;
-  if (theta >= PI/2.0f) {
-    theta = PI/2.0f;
-  }
-  else if (theta <= -PI/2.0f) {
-    theta = -PI/2.0f;
-  }
-
-  //t = t1;
-  return;
-}
-
-
-F32 phi_spring(F32 phi, F32 theta) {
-// The srping force is linear with -phi and the magnitude of theta.
-  F32 phi_force;
-  phi_force = - 30 * phi;
-  phi_force = phi_force * (1.0f + (F32)fabs(theta) / PI);
-  return phi_force;
-}
-
-
-F32 theta_spring(F32 phi, F32 theta) {
-  return phi_spring(theta, phi);
-}
-
-
-
-