#include <LedControl.h>

#define Din 11
#define CS 10
#define CLK 13
//ON = LOW
//OFF = HIGH
#define up 7 
#define down 6
#define left 5
#define right 4

LedControl lc = LedControl(Din, CLK, CS, 1);

byte x = 5, y = 5;
void moveLeft() {
  if (x < 7) {
    lc.setLed(0, y, x, false);
    delay(50);
    x++;
    lc.setLed(0, y, x, true);
    delay(50);
  }
}
void moveRight() {
  if (x > 0) {
    lc.setLed(0, y, x, false);
    delay(50);
    x--;
    lc.setLed(0, y, x, true);
    delay(50);
  }
}
void moveUp() {
  if (y > 0) {
    lc.setLed(0, y, x, false);
    delay(50);
    y--;
    lc.setLed(0, y, x, true);
    delay(50);
  }
}
void moveDown() {
  if (y < 7) {
    lc.setLed(0, y, x, false);
    delay(50);
    y++;
    lc.setLed(0, y, x, true);
    delay(50);
  }
}

void setup() {
  // put your setup code here, to run once:


  lc.shutdown(0, false);
  lc.setIntensity(0, 8);
  lc.clearDisplay(8);

  Serial.begin(9600);
  pinMode(up, INPUT);
  pinMode(down, INPUT);
  pinMode(left, INPUT);
  pinMode(right, INPUT);


  lc.setLed(0, y, x, true);

}

void loop() {
  // put your main code here, to run repeatedly:
  if (digitalRead(up) == LOW) {
    Serial.println("up pressed");
    delay(50);
    moveUp();
  }

  if (digitalRead(down) == LOW) {
    Serial.println("down pressed");
    delay(50);
    moveDown();
  }

  if (digitalRead(left) == LOW) {
    Serial.println("left pressed");
    delay(50);
    moveLeft();
  }

  if (digitalRead(right) == LOW) {
    Serial.println("right pressed");
    delay(50);
    moveRight();
  }
  delay(50);
}