---

c:/home/kevn/src/animaniac/ani/KeyFrame/process/KeySetSmoother.h

Go to the documentation of this file.

#include <gmtl/Math.h>
#include "ani/KeyFrame/PosQuatKey.h"
#include "ani/KeyFrame/KeyFramer.h"

float getDist( const ani::PosQuatKey& key1, const ani::PosQuatKey& key2 )     
{
   kev::Vec3<float> vec = key1.position() - key2.position();
   return vec.length();
}


float getTotalDist( ani::KeyFramer<ani::PosQuatKey>& keyFramer )
{
   std::map<float, ani::PosQuatKey>::iterator it1 = keyFramer.keys().begin();
   std::map<float, ani::PosQuatKey>::iterator it2 = it1;
   ++it2;
   float total_dist = 0.0f;
   for (; it2 != keyFramer.keys().end(); ++it1, ++it2)
   {
      ani::PosQuatKey& key1 = (*it1).second;
      ani::PosQuatKey& key2 = (*it2).second;
      total_dist += getDist( key1, key2 );
   }
   return total_dist;
}


void output( const ani::PosQuatKey& key )
{
   float w, x, y, z;
   gmtl::getRot( key.rotation(), w, x, y, z );
   std::cout << "KEY "<<key.time()<<": "<<key.position()[0]<<", \t"<<key.position()[1]<<", \t"<<key.position()[2]<<", |#| "<<gmtl::Math::rad2Deg( w )<<", "<<x<<", "<<y<<", "<<z<<"\n"<<std::flush;
}

void smooth( ani::KeyFramer<ani::PosQuatKey>& keyFramer, float length )
{
   float total_dist = getTotalDist( keyFramer );
   std::map<float, ani::PosQuatKey> workspace = keyFramer.keys();
   keyFramer.clear();
   
   cout<<keyFramer.keys().size()<<" "<<workspace.size()<<"\n"<<flush;
   
   float total_time_over_dist = length / total_dist;
   
   std::map<float, ani::PosQuatKey>::const_iterator it1 = workspace.begin();
   std::map<float, ani::PosQuatKey>::const_iterator it2 = workspace.begin();
   ++it2;
   float time_so_far = 0.0f;
   ani::PosQuatKey newKey = (*it1).second;
   newKey.time() = time_so_far;
   keyFramer.addkey( newKey );
   for (; it2 != workspace.end(); )
   {
      const ani::PosQuatKey& key1 = (*it1).second;
      const ani::PosQuatKey& key2 = (*it2).second;
      float dist = getDist( key1, key2 );
      float time = total_time_over_dist * dist;
   
      ani::PosQuatKey newKey1 = key1;
      ani::PosQuatKey newKey2 = key2;
      
      newKey1.time() = time_so_far;
      newKey2.time() = time_so_far + time;
      
      time_so_far += time;
      
      keyFramer.addkey( newKey2 );
      output( newKey1 );
      ++it1;
      ++it2;
   }
}

---