#include <LedControl.h>
#include "Ball.h"
#include "Limit.h"

#define DATA_IN 11
#define CLOCK 13
#define LOAD 4
#define NUMB_DISPLAYS 1

//Set dei pin dello schermo
LedControl LC = LedControl (DATA_IN, CLOCK, LOAD, NUMB_DISPLAYS);

Ball palla1;

void setup () {
  Serial.begin (9600);
  //Begin dello schermo
  LC.shutdown(0, false);
  LC.setIntensity(0, 8);
  LC.clearDisplay(0);

  palla1.pointerLC = &LC;

  palla1.begin (0.00, 0.00, 1.00, 30.00);
}

void loop() {
  palla1.step();

  delay (10000);
}

sketch.ino

diagram.json

# Wokwi Library List
# See https://docs.wokwi.com/guides/libraries

LedControl

libraries.txt

#include <Arduino.h>
#include <LedControl.h>
#include "Limit.h"
class Ball {

  public:
    LedControl *pointerLC;
    double x = 0.00;
    double y = 0.00;
    double velocita = 0; //Modulo velocita
    double angolo = 0; // Angolo in gradi

    void begin (double x0, double y0, double velocita, double angolo) {
      this->x = x0;
      this->y = y0;
      this->velocita = velocita;
      this->angolo = angolo;
    };

    void step () {
      spegni ();
      muovi ();
      accendi ();
    }
    void accendi () {
      pointerLC->setLed (0, x, 8 - y, true);
    };
    void spegni () {
      pointerLC->setLed (0, x, 8 - y, false);
    };

    void muovi () {

      double dt = 0.3;
      double S = (this->velocita * dt);

      double dx = S * cos (radians(this->angolo));
      double dy = S * sin (radians(this->angolo));
      this->x = x + dx;
      this->y = y + dy;

      if (x > 8 || x < 0) {
        this->angolo = 180 - this-> angolo;
      }
      if (y > 8 || y < 0) {
        this->angolo = 360 - this-> angolo;
      }

      Serial.print ("x=  "); Serial.println (this->x);
      Serial.print ("y=  "); Serial.println (this->y);
      Serial.print ("dx= "); Serial.println (dx);
      Serial.print ("dy= "); Serial.println (dy);
      Serial.print ("angolo= "); Serial.println (this-> angolo); Serial.println ("------");
    };
};

Ball.h

class Limit {

    //Costruttore

  //Propietà

  int a;
  int b;
  int c;

  //Metodi
  void begin (int a, int b, int c)  {
  this->a=a;
  this->b=b;
  this->c=c;
  };

};