#include <FastLED.h>

#define LED_PIN     1
#define NUM_LEDS    64
#define BRIGHTNESS  64
#define LED_TYPE    WS2811
#define COLOR_ORDER GRB

CRGB leds[NUM_LEDS];

int paddlePos = 3;
int ballX = 3;
int ballY = 7;
int ballDirX = 1;
int ballDirY = -1;
bool bricks[NUM_LEDS];

void setup() {
  FastLED.addLeds<LED_TYPE, LED_PIN, COLOR_ORDER>(leds, NUM_LEDS);
  FastLED.setBrightness(BRIGHTNESS);
  for (int i = 0; i < 3 * 8; i++) {
    bricks[i] = true;
  }
  for (int i = 3 * 8; i < NUM_LEDS; i++) {
    bricks[i] = false;
  }
}

void loop() {
  fill_solid(leds, NUM_LEDS, CRGB::Black);
  leds[paddlePos + 7 * 8] = CRGB::White;
  leds[paddlePos + 1 + 7 * 8] = CRGB::White;
  leds[paddlePos + 2 + 7 * 8] = CRGB::White;
  leds[ballX + ballY * 8] = CRGB::Red;
  for (int i = 0; i < NUM_LEDS; i++) {
    if (bricks[i]) {
      leds[i] = CRGB::Blue;
    }
  }
  ballX += ballDirX;
  ballY += ballDirY;
  if (ballX < 0 || ballX > 7) {
    ballDirX *= -1;
    ballX += ballDirX;
  }
  if (ballY < 0) {
    ballDirY *= -1;
    ballY += ballDirY;
  }
  if (ballY > 7) {
    ballX = 3;
    ballY = 7;
    ballDirY = -1;
    ballDirX = 1;
    for (int i = 0; i < 3 * 8; i++) {
      bricks[i] = true;
    }
  }
  if (ballY == 7 && ballX >= paddlePos && ballX <= paddlePos + 2) {
    ballDirY *= -1;
    ballY += ballDirY;
  }
  int brickIndex = ballX + ballY * 8;
  if (bricks[brickIndex]) {
    bricks[brickIndex] = false;
    ballDirY *= -1;
    ballY += ballDirY;
  }
  if (ballX < paddlePos + 1){
    if (paddlePos > 0){
      paddlePos--;
    }
  }
  if (ballX > paddlePos +1){
    if (paddlePos < 5){
      paddlePos++;
    }
  }

  FastLED.show();
  delay(100);
}