   }
   
   strip.show();
-} 
+}
 
 /** 
  *

       **/       
       
      /**
       * Default for 16 leds high strip, when farestLEDFromCenter = 0
       *
       * [ ][ ][ ][ ][ ][ ][ ][x][x][ ][ ][ ][ ][ ][ ][ ]
       *
       **/
      if(j < centerOfStrip+farestLEDFromCenter && j >= centerOfStrip-farestLEDFromCenter){      
        strip.setPixelColor(j+(i*heightStrip), strip.Color(255, 0, 0));

}

void readSensorWriteLEDs(int servoPosition, int i){
  //servo.write(servoPosition);
  
  triggerSensor();
  int distance = readSensor();;
  printDistance(distance);
 
  distanceValues[i] = distance;
  visualizeLinear();

  delay(servoMSPerDegree*servoStepAngle);
}


/**
 * VISUALIZATION TYPE 2
 *
 *    LED-STRIPS:    OBJECT: comming from right
 *                           near at the right
 *    [ ][ ][ ]              nearer at the center
 *    [ ][*][ ]      
 *    [*][x][ ]  =   [o][o][O][O][ ][ ]
 *    [x][X][ ]      
 *    [X][X][ ]      
 * 
 *    bottom = green  
 *    top = red
 **/
 
void visualizeLinear() {
  //Calculate the color and the amount of leds for every strip
  for(int i=0; i<NUMBER_STRIPS; i++){
  
    //to get the with 1,2,3 the needed indices we use i*2 and i*2+1
    //0 = 0,1 / 1 = 2,3 / 2 = 4,5   
    int distance = (distanceValues[i*2] + distanceValues[i*2+1]) / 2;
    distance = max(minDistance, distance);
    distance = min(maxDistance, distance);
    
    int heightStrip = NUMBER_LEDS/NUMBER_STRIPS;
    
    //how many of the leds of one strip should be switched on
    //more distances = less leds
    int heightToLight = heightStrip - heightStrip * ( (distance - minDistance) / (maxDistance - minDistance) );   
    
    //Calculate the color and the amount of leds for the single strip i
    for(int j=0; j<heightStrip; j++) {
      
      //Workaround for the second led strip, which is upside down
      int idx = 0;
      if(i == 1){
        idx = 2*i*heightStrip-j-1;
      }
      else{
        idx = j+(i*heightStrip);
      }
      
      //Check if the leds is one of the leds which should be switched on
      if(j <= heightToLight){          
        int delta = 255*0.33/heightStrip*j;
        
        //Most green for low j's, more red for higher j's
        strip.setPixelColor(idx, strip.Color(255*0.66 + delta, 255*0.33 - delta, 0));
      }
      else{
        strip.setPixelColor(idx, strip.Color(0, 0, 0));
      } 
    }
  }
  
  strip.show();
} 

/**
 * VISUALIZATION TYPE 1
