Light Stop Game for Clemson Makerspace Hackerday 2019

LightStopGameJT.ino

// FastLED Setup
#include <FastLED.h>
#define NUM_LEDS 40
#define DATA_PIN 5
#define BUTTON_PIN 8
#define MOVINGSPOT CRGB(0,0,255);
CRGB leds[NUM_LEDS];

volatile boolean waitingForButton = true;
byte globalBright = 60; //The max brightness for the strip
byte levelSpeeds[] = {200,150,100,50,40,30,20,15,14,13,12,10,9,8,7,6,5,4,3,2,1,0};
byte numLevels = 22;
byte currentLevel = 0;
byte stopPosition;
byte dullValue = 20; //The brightness of the dull amount
int currentSpot;
unsigned long restTime, loopStart, restTimeout;

void setup() {
  //FastLED setup
  FastLED.addLeds<NEOPIXEL, DATA_PIN>(leds, NUM_LEDS);
	FastLED.setCorrection(TypicalLEDStrip);
	//FastLED.setMaxPowerInVoltsAndMilliamps(5,maxMilliamps);
	FastLED.setBrightness(globalBright);
	fill_solid(leds,NUM_LEDS, CRGB::Black); //Turn off all the lights

  //Initialize digital inputs/outputs 
   pinMode(BUTTON_PIN,INPUT);

  //Start Serial port 
   Serial.begin(9600);

}

void loop() {
  //Set strip to a nice dull color in the color spectrum
  byte currentHue = map(currentLevel,0,numLevels,0,255);
  fill_solid(leds,NUM_LEDS,CHSV( currentHue, 255, dullValue));

  //Determine the stop position and set it to bright white
  stopPosition = random(0,NUM_LEDS);
  leds[stopPosition] = CRGB(255,255,255);
  FastLED.show();
  
  Serial.print("Current level:  ");
  Serial.println(currentLevel);
  
  //Run a single light down the strip until the button is pressed
  while(waitingForButton)
  {
    currentSpot++;
    leds[currentSpot-1] = CHSV( currentHue, 255, dullValue); //Fill the previous spot with the dull color it should be 
    if(currentSpot >= NUM_LEDS) currentSpot = 0;
    leds[currentSpot] = MOVINGSPOT; //Set it to whatever the moving spot should look like
    leds[stopPosition] = CRGB(255,255,255);//Set this back to the right color in case we overwrote it
    FastLED.show();
    
    //Wait the amount of time while looking for a button press
    loopStart = millis();
    restTime = levelSpeeds[currentLevel]; //Change how long we're waiting based on the level
    bool buttonAnimate = true;
    bool buttonPressed = 0;
    restTimeout = 0;
    while(buttonAnimate)
    {
      restTimeout = millis() - loopStart;
      if(digitalRead(BUTTON_PIN)==1) //Check if the button was pressed 
        { buttonPressed = 1;
          buttonAnimate = false; 
        }
      if(restTimeout>=restTime)  break;
    }
    
    if(buttonPressed)
    {
      waitingForButton = false;
      //Check if it was in the winning spot or not
      bool correctSpot = false;
      if(currentSpot == stopPosition)
        correctSpot = true;
      
      //WIN
      if(correctSpot)
      {
        Serial.println("Congrats!! You did the thing!!");
        //Set the spot you stopped on to green for good
        leds[currentSpot] = CRGB(0,255,0);
        FastLED.show();
        
        delay(1000);
        currentLevel++;
      }
      
      //LOSE
      else
      {
       Serial.println("FAILURE") ;
        //Set the spot you stopped to just red because bad
        leds[currentSpot] = CRGB(255,0,0);
        FastLED.show();
        delay(1000);
        //Reset the level to 0
        currentLevel = 0;
        
      }
    }
    else //Button was not pressed
    {
      
    }
    
    
  }
}



void all_on() {
  fill_solid(leds,NUM_LEDS, CRGB(255,255,255));
  FastLED.show();
}

void all_off() {
  fill_solid(leds,NUM_LEDS, CRGB(0,0,0));
  FastLED.show();
}