Changeset 4194 in orxonox.OLD for orxonox/branches/openAL/src/lib/math/vector.cc

Timestamp:

May 16, 2005, 1:33:19 PM (19 years ago)

Author:

bensch

Message:

orxonox/branches/openAL: merged trunk back to openAL
merged with command:

svn merge ../trunk/ openAL/ -r 3920:HEAD

no conflicts at all

Location:

orxonox/branches/openAL

Files:

• . (modified) (1 prop)
• src/lib/math/vector.cc (modified) (3 diffs)

orxonox/branches/openAL

@@ -1 @@
-data http://svn.orxonox.ethz.ch/data
+

@@ -1 @@
-data http://svn.orxonox.ethz.ch/data
+

orxonox/branches/openAL/src/lib/math/vector.cc

@@ -100 +100 @@
 */
 
-Vector* Vector::getNormalized()
+Vector Vector::getNormalized()
 {
   float l = len();
   if(unlikely(l != 1.0))
     {
-      return this;
+      return *this;
     }
   else if(unlikely(l == 0.0))
     {
-      return 0;
+      return *this;
     }
 
-  return new Vector(x / l, y /l, z / l);
+  return *this / l;
 }
 
@@ -172 +172 @@
    \brief Outputs the values of the Vector
 */
-void Vector::debug(void)
+void Vector::debug(void) const
 {
   PRINT(0)("Vector Debug information\n");
@@ -435 +435 @@
 /**
    \brief performs a smooth move.
-   \param from from where
-   \param to to where
-   \param t the time this transformation should take
-   \param res The approximation-density
-*/
-void Quaternion::quatSlerp(const Quaternion* from, const Quaternion* to, float t, Quaternion* res)
+   \param from  where
+   \param to where
+   \param t the time this transformation should take value [0..1]
+
+   \returns the Result of the smooth move
+*/
+Quaternion quatSlerp(const Quaternion& from, const Quaternion& to, float t)
 {
   float tol[4];
   double omega, cosom, sinom, scale0, scale1;
-  DELTA = 0.2;
-
-  cosom = from->v.x * to->v.x + from->v.y * to->v.y + from->v.z * to->v.z + from->w * to->w;
+  //  float DELTA = 0.2;
+
+  cosom = from.v.x * to.v.x + from.v.y * to.v.y + from.v.z * to.v.z + from.w * to.w;
 
   if( cosom < 0.0 ) 
     { 
       cosom = -cosom; 
-      tol[0] = -to->v.x;
-      tol[1] = -to->v.y;
-      tol[2] = -to->v.z;
-      tol[3] = -to->w;
+      tol[0] = -to.v.x;
+      tol[1] = -to.v.y;
+      tol[2] = -to.v.z;
+      tol[3] = -to.w;
     }
   else
     {
-      tol[0] = to->v.x;
-      tol[1] = to->v.y;
-      tol[2] = to->v.z;
-      tol[3] = to->w;
+      tol[0] = to.v.x;
+      tol[1] = to.v.y;
+      tol[2] = to.v.z;
+      tol[3] = to.w;
     }
   
   //if( (1.0 - cosom) > DELTA )
   //{
-      omega = acos(cosom);
-      sinom = sin(omega);
-      scale0 = sin((1.0 - t) * omega) / sinom;
-      scale1 = sin(t * omega) / sinom;
-      //}
-      /*
-  else
+  omega = acos(cosom);
+  sinom = sin(omega);
+  scale0 = sin((1.0 - t) * omega) / sinom;
+  scale1 = sin(t * omega) / sinom;
+  //}
+  /*
+    else
     {
-      scale0 = 1.0 - t;
-      scale1 = t;
+    scale0 = 1.0 - t;
+    scale1 = t;
     }
-      */
-  res->v.x = scale0 * from->v.x + scale1 * tol[0];
-  res->v.y = scale0 * from->v.y + scale1 * tol[1];
-  res->v.z = scale0 * from->v.z + scale1 * tol[2];
-  res->w = scale0 * from->w + scale1 * tol[3];
+  */
+
+
+  /*
+    Quaternion res;
+    res.v.x = scale0 * from.v.x + scale1 * tol[0];
+    res.v.y = scale0 * from.v.y + scale1 * tol[1];
+    res.v.z = scale0 * from.v.z + scale1 * tol[2];
+    res.w = scale0 * from.w + scale1 * tol[3];
+  */
+  return Quaternion(Vector(scale0 * from.v.x + scale1 * tol[0],
+                           scale0 * from.v.y + scale1 * tol[1],
+                           scale0 * from.v.z + scale1 * tol[2]),
+                    scale0 * from.w + scale1 * tol[3]);
 }
 

@@ -1 @@
-data http://svn.orxonox.ethz.ch/data
+