How to access each item from the loop via return function

Processing Coding Questions
4 

float array_of_values = new float[10];

void setup(){
  // ...
}

void draw(){
  // ...
  // You can use the values here.
  if( array_of_values[0] < 50 ){
    // ...etc
  } 
}

class YourClass {

  void yourClassFunction(){
    for( int i = 0; ... ){
      // Calculate distance here
      array_of_values[i] = the_ith_distance;
    }
    // No need to return anything.
  }
}