#include <FastLED.h>



const CRGB SKY = CRGB(20, 10, 210);
const CRGB GRASS = CRGB(20, 210, 10);
const CRGB DOT = CRGB(255, 10, 20);
const CRGB BUSH = CRGB(120, 255, 100);
const int BUTTON_PIN = 16;
const int LED_PIN = 5;
const int DOT_GROUND = 41;
const int FIRST_LED_GRASS = 48;
const int NUM_LEDS = 64;
const int ROW_LENGTH = 8;
const int BUSH_START = 47;
const int DOT_ROW_START = 40;
const int JUMP_LENGTH = 3;
int bushPos = BUSH_START;
int jumpFrame = 0;
int pressFrames = 0;

CRGB leds[NUM_LEDS];

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(BUTTON_PIN, INPUT_PULLUP);
  FastLED.addLeds<WS2812B, LED_PIN, GRB>(leds, NUM_LEDS);
  FastLED.setBrightness(210);
  for(int i=0; i<FIRST_LED_GRASS; i++){
    leds[i] = SKY;
  }
  for(int i=FIRST_LED_GRASS; i<NUM_LEDS; i++){
    leds[i] = GRASS;
  }
}

void loop() {
  Serial.println(digitalRead((BUTTON_PIN)));
  
  checkBush();

  leds[DOT_GROUND] = DOT;

  bool pressed = justPressed()
  
  if(jumpFrame == 0 && pressed) {

    jumpFrame = JUMP_LENGTH;    
    
    
  }
 
  if(jumpFrame > 0){
    leds[DOT_GROUND] = SKY;
    leds[DOT_GROUND-ROW_LENGTH] = DOT;
  }
  else {
    leds[DOT_GROUND-ROW_LENGTH] = SKY;
    leds[DOT_GROUND] = DOT;
  }

  if (bushPos >= DOT_ROW_START && bushPos < FIRST_LED_GRASS) {
     leds[bushPos] = BUSH;
  }
 
  int prev;
  if(bushPos == BUSH_START){
    prev = DOT_ROW_START;
  }
  else {
    prev = bushPos + 1;
  }
  if (prev < FIRST_LED_GRASS) {
    leds[prev] = SKY;
  }

  if(bushPos == DOT_GROUND && jumpFrame == 0){
      fill_solid(leds, NUM_LEDS, CRGB::Red);
  }
  Serial.println(jumpFrame);
  
  FastLED.show();

  delay(100); // this speeds up the simulation
  bushPos--;
  if(jumpFrame > 0) {
    jumpFrame--;
  }
}

void checkBush()
{
   if(bushPos == BUSH_START - ROW_LENGTH) {
    bushPos = BUSH_START;
  }
}

bool justPressed() 
{
  if(digitalRead((BUTTON_PIN)) == LOW){
    pressFrames++;
  }
  else{
    pressFrames = 0;
  }
  return pressFrames == 1;  //if pressFrames is 1, the answer is true, otherwisse is false

}