Light Dimmer Dice

const int lightone = 3;
const int lighttwo = 11;
const int lightthree = 5;
const int lightfour = 6;
const int lightfive = 9;
const int lightsix = 10;
const int lightseven = 7;
const int button = 12;
int count;
bool currentValue = false;
bool lastValue = false;
const int pinPot = A0;
int readVal;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode (pinPot, INPUT);
  pinMode (button, INPUT);
  pinMode (lightone, OUTPUT);
  pinMode (lighttwo, OUTPUT);
  pinMode (lightthree, OUTPUT);
  pinMode (lightfour, OUTPUT);
  pinMode (lightfive, OUTPUT);
  pinMode (lightsix, OUTPUT);
  pinMode (lightseven, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  readVal = analogRead(pinPot);
  Serial.println(readVal);
  readVal = readVal/4;
  boolean current = digitalRead(button);
    if (lastValue != current)
    {
      delay(5);
      currentValue = digitalRead(button);
    }
    if (lastValue == LOW && currentValue == HIGH) {
      count = random(1,7);
      Serial.println(count);
    }
    switch(count) {
      case 1:
      analogWrite(lightone, LOW);
      analogWrite(lighttwo, LOW);
      analogWrite(lightthree, LOW);
      analogWrite(lightfour, LOW);
      analogWrite(lightfive, LOW);
      analogWrite(lightsix, LOW);
      analogWrite(lightseven, readVal);
      break;

      case 2:
      analogWrite(lightone, readVal);
      analogWrite(lighttwo, LOW);
      analogWrite(lightthree, LOW);
      analogWrite(lightfour, LOW);
      analogWrite(lightfive, LOW);
      analogWrite(lightsix, readVal);
      analogWrite(lightseven, LOW);
      break;

      case 3:
      analogWrite(lightone, readVal);
      analogWrite(lighttwo, LOW);
      analogWrite(lightthree, LOW);
      analogWrite(lightfour, LOW);
      analogWrite(lightfive, LOW);
      analogWrite(lightsix, readVal);
      analogWrite(lightseven, readVal);
      break;

      case 4:
      analogWrite(lightone, readVal);
      analogWrite(lighttwo, LOW);
      analogWrite(lightthree, readVal);
      analogWrite(lightfour, readVal);
      analogWrite(lightfive, LOW);
      analogWrite(lightsix, readVal);
      analogWrite(lightseven, LOW);
      break;

      case 5:
      analogWrite(lightone, readVal);
      analogWrite(lighttwo, LOW);
      analogWrite(lightthree, readVal);
      analogWrite(lightfour, readVal);
      analogWrite(lightfive, LOW);
      analogWrite(lightsix, readVal);
      analogWrite(lightseven, readVal);
      break;

      case 6:
      analogWrite(lightone, readVal);
      analogWrite(lighttwo, readVal);
      analogWrite(lightthree, readVal);
      analogWrite(lightfour, readVal);
      analogWrite(lightfive, readVal);
      analogWrite(lightsix, readVal);
      analogWrite(lightseven, LOW);
      break;

      default:
      analogWrite(lightone, LOW);
      analogWrite(lighttwo, LOW);
      analogWrite(lightthree, LOW);
      analogWrite(lightfour, LOW);
      analogWrite(lightfive, LOW);
      analogWrite(lightsix, LOW);
      analogWrite(lightseven, LOW);
      break;
    }
    lastValue = currentValue;
  }