#include <Stepper.h> // include the Stepper library
int current_degree = 0;
const int stepsPerRevolution = 200; // change this value to match the number of steps per revolution of your motor
const float degreesPerStep = float(360) / float(stepsPerRevolution); // calculate the number of degrees per step
// initialize the stepper library with the number of steps per revolution and the relevant pins
Stepper myStepper(stepsPerRevolution, 15, 2, 4, 5);

void setup() {
  Serial.begin(115200);
  // set the speed of the motor in revolutions per minute
    myStepper.setSpeed(10);
    }

    void loop() {
      // generate a random number between 0 and 360
        int randomDegree = random(360);
        Serial.print("sudut baru : ");
        Serial.println(randomDegree);
        
        // if(){
          if(randomDegree > current_degree){
          int move_degree = randomDegree - current_degree;
          int per = move_degree - 360;
          Serial.print("step clock wise : ");
          Serial.println(move_degree);
          Serial.print("step invert clock wise : ");
          Serial.println(per);
          }else{
          int move_degree = current_degree - randomDegree;
          int per = move_degree - 360;
          Serial.print("step clock wise : ");
          Serial.println(move_degree);
          Serial.print("step invert clock wise : ");
          Serial.println(per);
          }
          

        //   if(move_degree < (move_degree-360)){
        //     int direct = move_degree/degreesPerStep;
        //   myStepper.step(direct);
        //   }else{
        //     int direct = move_degree/degreesPerStep;
        //   myStepper.step(-direct);
        //   }
          
        // }else{
        //   int move_degree = randomDegree - current_degree;
        //   if(move_degree < (move_degree-360)){
        //     int direct = move_degree/degreesPerStep;
        //   myStepper.step(-direct);
        //   }else{
        //     int direct = move_degree/degreesPerStep;
        //   myStepper.step(direct);
        //   }
        // }
          // move the motor to the random degree
            //myStepper.step((float(stepsPerRevolution))/ float(360) * float(randomDegree));

         //myStepper.step( randomDegree/ degreesPerStep);
          // delay(500);
           
             // move the stepper 10 degrees in the other direction
               //myStepper.step(-randomDegree / degreesPerStep);
               //  delay(500);
          current_degree = randomDegree;
              // pause for 2 seconds
                delay(2000);
        }