int UD = 0;
int LR = 0;
int buttonPin1 = 2;
int buttonPin2 = 3;

#include "LedControl.h"
LedControl lc=LedControl(11,13,10,1); // initialize with DIN on pin 11, CLK on pin 13, CS on pin 10, and 1 matrix connected

void setup() {
  Serial.begin(9600);
  lc.shutdown(0,false);
  lc.setIntensity(0,8);
  lc.clearDisplay(0);
  pinMode(buttonPin1, INPUT_PULLUP);
  pinMode(buttonPin2, INPUT_PULLUP);
}

void loop() {
  UD = analogRead(A0);
  LR = analogRead(A1);
  char x_translate = map(LR, 1021, 0, 7, 0);
  char y_translate = map(UD, 1021, 0, 0, 7);
  
  Serial.print("UD = ");
  Serial.print(UD, DEC);
  Serial.print(", LR = ");
  Serial.print(LR, DEC);
  Serial.print(", x = ");
  Serial.print(x_translate, DEC);
  Serial.print(", y = ");
  Serial.println(y_translate, DEC);
  
  lc.clearDisplay(0);
  lc.setLed(0,x_translate,y_translate,true);

  if (digitalRead(buttonPin1) == LOW) {
    lc.setIntensity(0,0); // set brightness to 0
    delay(500);
    lc.setIntensity(0,8); // set brightness back to 8
    delay(500);
  }
  
  if (digitalRead(buttonPin2) == LOW) {
    lc.clearDisplay(0); // clear display
    delay(200);
    lc.setLed(0,0,0,true); // set LED at (0,0) to on
    delay(200);
    lc.setLed(0,0,0,false); // set LED at (0,0) to off
    delay(200);
    lc.setLed(0,7,7,true); // set LED at (7,7) to on
    delay(200);
    lc.setLed(0,7,7,false); // set LED at (7,7) to off
    delay(200);
    lc.clearDisplay(0); // clear display
  }
  
  delay(50);
}