<iframe width='500px' height='400px' src='https://nest.ktbyte.com/nest#462451' allowfullscreen></iframe>

int[][] world;
int ROWS, COLS;
int C_SIZE = 25;   // CELL SIZE  (how many pixels is a cell across/up&down)

int GRASS = 0;   // constant variables - not going to change
int WATER = 1;   //   stand-in for actual numbers - usually all-caps
int SAND = 2;
int LAVA = 3;
double health = 10.0;
double regen = 0;
boolean initialHeal = false;
double breath = 10.0;
double respiration = 0;
float blockType;

// to store where the player is
int pr, pc;

void setup() {
  size(800, 600);

  ROWS = height / C_SIZE;
  COLS = width / C_SIZE;

//   noiseSeed(5);
  initBoard();

  pr = ROWS / 2;
  pc = COLS / 2;
}

void keyPressed() {
  if (keyCode == RIGHT) {
    pc++;
  }else if(keyCode == LEFT){
      pc--;
  }else if(keyCode == UP){
      pr--;
  }else if(keyCode == DOWN){
      pr++;
  }
}

void initBoard() {
  world = new int[ROWS][COLS];

//filled with 0s

  for (int r = 0; r < ROWS; r++) {
    for (int c = 0; c < COLS; c++) {
      // 80% chance of grass, 20% chance of water
      // 0.0-----0.2-----0.4-----0.6----0.8------1.0
      // |-------- GRASS ----------------|- WATER -|
      //            80%                       20%
      
    //   float rand = random(3);  // even chance b/w 0.0 and 1.0
    float rand = noise(c / 10.0, r / 10.0);
    
      if (rand <= 0.4) {  // 0.0 - 0.8 -> 80%
        world[r][c] = GRASS;
      }
      else if(rand < 0.5){             // 0.8 - 1.0   -> 20%
        world[r][c] = WATER;
      }else if(rand < 0.7){
          world[r][c] = SAND;
      }else{
          world[r][c] = LAVA;
      }
    }
  }
    
}

void draw() {
  drawWorld();

  drawPlayer();
  
  fill(0,180);
  rect(40,140,100,50);
  fill(255);
  textSize(18);
  text("Health"+ nf((float)health, 0, 2),50,160);
  text("Breath"+breath,50,180);
}

void drawPlayer() {
  float x = pc * C_SIZE;
  float y = pr * C_SIZE;

  fill(255);
  ellipseMode(CORNER);
  ellipse(x, y, C_SIZE - 5, C_SIZE - 5);
  // player is slightly smaller than cell
  
  
  if(world[pr][pc] == LAVA && frameCount %10 == 0){
      health -=0.5;
  }else if(world[pr][pc] == WATER && frameCount %10 == 0){
      breath -=0.5;
  }else{
      if(health >=10){
          health = 10;
          initialHeal = false;
      }else if(breath > 10){
          breath = 10;
      }else if (health < 10){
         if(initialHeal == false&&frameCount%60 ==0){
             health+=0.5;
             initialHeal = true;
         }else if(initialHeal == true && frameCount%10==0){
            health += 0.2;
           
         }
      }else if (breath < 10 && frameCount %60 ==0){
          breath += 0.5;
      }
  }
}
void drawWorld() {
  for (int r = 0; r < ROWS; r++) {
    for (int c = 0; c < COLS; c++) {
      int x = c * C_SIZE;
      int y = r * C_SIZE;

      if (world[r][c] == GRASS) {
        fill(0, 255, 0);   // light green
      }
      else if (world[r][c] == WATER) {
        fill(0, 0, 100);   // dark blue
      }else if(world[r][c] == SAND){
          fill(193, 154, 107); // yellowish
      }
      else {
        fill(200,0,0);  // darkgreen
      }

      rect(x, y, C_SIZE, C_SIZE);
    }
  }
}
/*void drawWorld() {
  for (int r = 0; r < ROWS; r++) {
    for (int c = 0; c < COLS; c++) {
      int x = c * C_SIZE;
      int y = r * C_SIZE;

      if (world[r][c] == GRASS) {
        fill(0, 255, 0);   // dark green
      }
      else if (world[r][c] == WATER) {
        fill(0, 0, 100);   // dark blue
      }else if(world[r][c] == SAND){
          fill(193, 154, 107);
      }
      else {
        fill(128);  // black
      }

      rect(x, y, C_SIZE, C_SIZE);
    }
  }
}*/