const int colorBut = 0;
const int brightBut = 1;
const int strobe = 3;
const int enable = 4;
const int CP = 5;
const int brightness = 10;

void setup() {
  Serial.begin(9600);
  //pin initialization
  pinMode(0, INPUT);
  pinMode(1, INPUT);

  pinMode(strobe,OUTPUT); //Strobe
  pinMode(enable,OUTPUT); //Enable
  pinMode(CP,OUTPUT); //Clock
  pinMode(8,OUTPUT);
  pinMode(9,OUTPUT);
  pinMode(brightness,OUTPUT);
  pinMode(11,OUTPUT);
  pinMode(12,OUTPUT);
  pinMode(13,OUTPUT);
  pinMode(14,OUTPUT);

  digitalWrite(enable,HIGH);
  //digitalWrite(strobe,HIGH);
  digitalWrite(8, LOW);
  digitalWrite(9, LOW);
  digitalWrite(10, LOW);
  digitalWrite(11, LOW);
  digitalWrite(12, LOW);
  digitalWrite(13, HIGH);

  analogWrite(strobe ,1);
  //analogWrite(enable,  1);

}

int i;
//color order BGR

bool white[3] = {0,0,0};
bool cyan[3] = {0,0,1};
bool purple[3] = {0,1,0};
bool blue[3] = {0,1,1};
bool yellow[3] = {1,0,0};
bool green[3] = {1,0,1};
bool red[3] = {1,1,0};
bool off[3] = {1,1,1};






void setColor(bool color[]){
   for(i=0 ; i<3; i++){
    digitalWrite(8, color[i]);
    digitalWrite(CP, LOW);
    //delay(1);
    digitalWrite(CP,HIGH);
    //delay(1);
   }
}

bool randBool(){
  return (random(0,4)%2);
}

void randomColor(){
   for(i=0 ; i<3; i++){
    digitalWrite(8, randBool( ));
    digitalWrite(CP, LOW);
    //delay(1);
    digitalWrite(CP,HIGH);
    //delay(1);
   }
}
void setCol(bool color1[],bool color2[],bool color3[],bool color4[]){
  setColor(color1);
  setColor(color2);
  setColor(color3);
  setColor(color4);
}
void setColRandom(){
  randomColor();
  randomColor();
  randomColor();
  randomColor();
}

int brightLevel = 40;
int buttonState;


void loop() {
  // put your main code here, to run repeatedly:

  analogWrite(brightness,brightLevel);
  buttonState = digitalRead(brightBut);

  if(buttonState==LOW){
    brightLevel+=20;
    if(brightLevel>240)
      brightLevel=0;
    delay(300);
  }

  if(!digitalRead(colorBut)){
    setColRandom();
    delay(300);
  }

}