Changeset 10153 in orxonox.OLD for branches/playability

Timestamp:

Dec 28, 2006, 11:44:44 AM (18 years ago)

Author:

nicolasc

Message:

bump

File:

• branches/playability/src/world_entities/projectiles/swarm_projectile.cc (modified) (3 diffs)

branches/playability/src/world_entities/projectiles/swarm_projectile.cc

@@ -216 +216 @@
   this->shiftCoor(v);*/
 
+
+/** old  guiding functuion*/
+
   float projectileVelocity = this->getVelocity().len();
   if (target != NULL){
-/*    float tti;  //Time To Impact*/
-//     float targetVelocity = this->target->getVelocity().len();
-//     if (unlikely(projectileVelocity == 0 && targetVelocity == 0)) // TODO calculate this reasonably
-//       tti = 1; // we do have a problem....
-//     else
-//       tti = (this->getAbsCoor() - this->target->getAbsCoor()).len() / sqrt ( projectileVelocity * projectileVelocity + targetVelocity * targetVelocity);
     Vector estTargetDir = (this->target->getAbsCoor() - this->getAbsCoor()).getNormalized();
-//     estTargetDir.slerpTo(this->velocity, 1);
     this->velocity = this->newDirection(this->velocity, estTargetDir, this->turningSpeed * time );
   }
@@ -235 +231 @@
 //   printf("target position: %f, %f, %f\n", this->target->getAbsCoor().x, this->target->getAbsCoor().y, this->target->getAbsCoor().z);
 
-  this->shiftCoor(this->velocity * (time));
+  this->shiftCoor(this->velocity * time);
+
+
+/*
+  Vector pjV = this->getVelocity();
+  Vector tV = this->target->getVelocity();
+  Vector pT = this->target->getAbsCoor() - this->getAbsCoor(); // vector projectile target
+
+  Vector a = tV.getNormalized() * pT.dot(tV.getNormalized());
+
+  float A = 2 * pT.len() * pT.len();
+  float B = 2 * a.len() * tV.len();
+  float D = 2 * sqrt(B * B - 4 * pT.len() * pT.len() *(tV.len() * tV.len() - pjV.len() * pjV.len()));
+  float tti;
+
+  if (A != 0){
+    if ( B < D ) tti = ( B + D ) / A;
+    else tti = ( B + D ) / A;
+  }
+  else tti = 0;
+
+
+  Vector estTargetDir;
+  if (tti == 0)
+    estTargetDir = pT.getNormalized() * pjV.len();
+  else
+    estTargetDir = pT / tti + pjV;
+
+  this->velocity = this->newDirection(this->velocity, estTargetDir, this->turningSpeed * time );
+
+  this->shiftCoor(this->velocity * (this->maxVelocity * time));*/
 
   if(this->tickLifeCycle(time))
@@ -246 +272 @@
   this->lastDir = this->curDir;
   this->curDir = this->velocity;
+/*
   if( (this->getAbsCoor() - this->target->getAbsCoor()).len() < 3)   // FIXME  Temp fake workaround for collision :)
   {
     dynamic_cast<WorldEntity*>(target)->destroy( this);
     this->destroy( this);
-  }
+  }*/
 }