Benutzer:Ntr0pY/OpenGLwxWidgets

aus Wikipedia, der freien Enzyklopädie

Hier mal das Sample für die Datenberechnung. Allerdings ist der Spritverbrauch noch nicht eingerechnet...

Data Racecar::calculateCurrentData(clock_t actTime) {

    // calculate time delta
    double deltaTime = (actTime - lastTime) / 1000.0;
    double meters_time_intervall = 0;
    double sic_currentSpeed=currentSpeed;
    double brakingFinish;
    double brakingDistance;
    double acc = acceleration;
    double kmh;

    if (meters > 1371 ) {
       brakingFinish = 2271;
       accAfterTurn = 2742;
    } else {
       brakingFinish = 900;
       accAfterTurn = 1371;
    }

    if ( pitstop == false ) {
       if ( currentSpeed > turnInVelocity) {
          brakingDistance = (turnInVelocity*turnInVelocity - currentSpeed*currentSpeed) / (2*decceleration);
          if ((meters+brakingDistance) > brakingFinish && meters < accAfterTurn) {
             acc = decceleration;
             cout<<"BREAK!"<<endl;
          }
       }
    
       currentSpeed = currentSpeed + acc * deltaTime;

       if (currentSpeed > maximumSpeed) {
          cout<<"maximumSpeed!"<<endl;
          currentSpeed = maximumSpeed;
          meters = meters + (currentSpeed * deltaTime);
       } else {
          meters_time_intervall = ((currentSpeed*currentSpeed - sic_currentSpeed*sic_currentSpeed)) / (2*acc);
          meters = (meters + meters_time_intervall);
       };
       if (meters > brakingFinish && meters <= accAfterTurn) {
          cout<<"constant Speed!"<<endl;
          currentSpeed = turnInVelocity;
          meters = meters + (currentSpeed * deltaTime);
       }
    
       if (meters > roundLength) {
          meters = meters - roundLength;
          currentRound = currentRound + 1;
       }

    } else {
      // PITSTOP
      if (currentSpeed > pitlaneMaxV ) {
         cout<<"BRAKE FOR PIT!"<<endl;
         // brake
         acc = decceleration;
         currentSpeed = currentSpeed + acc * deltaTime;
         meters_time_intervall = ((pitlaneMaxV*pitlaneMaxV - currentSpeed*currentSpeed)) / (2*acc);  
         meters = (meters + meters_time_intervall);
      } else {
         if (meters < 200) {   
            cout<<"DRIVE IN PIT!"<<endl;
            // const up to 200m
            currentSpeed = pitlaneMaxV;
            meters = meters + (currentSpeed * deltaTime);
         } else {
           // brake to 0
           if (currentSpeed > 0) {
              cout<<"PITSTOP!"<<endl;
              acc = decceleration;
              currentSpeed = currentSpeed + acc * deltaTime;
              meters_time_intervall = ((0 - currentSpeed*currentSpeed)) / (2*acc);  
              meters = (meters + meters_time_intervall);
           } else {
              cout<<"REFUEL!"<<endl;
              currentSpeed = 0;
              if (waitTime == 0) {
                 waitTime = actTime + (refuel * 250);
              }
              if ( actTime > waitTime ) {
                 cout<<"GO GO GO!"<<endl;
                 // go, go, go  
                 pitstop = false; 
                 waitTime = 0;
              }       
           }
         }  
      }
    }                     
       // only for debug
       kmh = currentSpeed * 3.6;
       cout.precision(5); 
       cout<<"actTime: "<<actTime<<" / lastTime: "<<lastTime<<endl;
       cout<<"deltaTime: "<<deltaTime<<" / deltaMeters: "<<meters_time_intervall<<endl;
       cout<<"current Speed: "<<currentSpeed<<" / meters: "<<meters<<endl;
       cout<<"current Speed km/h : "<<kmh<<endl;
       cout<<endl;
       // debug end
    
    lastTime=actTime;

    return (Data(currentSpeed, meters, currentFuel, currentRound, pitstop));

}