코딩 프로그램 에러 수정 봐주실분 계실까요? (너무 급)

[비온다 눈온다]

아이가  코딩에러를 못잡고  잠을 못자네요

아시는분  봐주시길 부탁드립니다 ㅜ

// Create your variables here

var ground = createSprite(211, 409);

ground.setAnimation("ground_grass_1");

ground .scale = 2;

var bear = createSprite(40, 267);

bear.setAnimation("cuteanimals_bear_1");

bear.scale = 0.3;

// Create your sprites here

var x = 0;

function draw() {

  x = randomNumber(1, 500) + 1;

  // draw background

  background("skyblue");

  fill("orange");

  rect(0, 314, 400, 100);

  var x_velocity_of_bear = 3;

  var y_velocity_of_bear = 0;

  // update sprites

  fill("black");

  textSize(20);

  text("Hello, I am a Bear!", 120, 50);

  text("I love carrot and banana and I hate bugs!", 60, 75);

  text("Press space to jump, and right to move!", 25, 100);

  if (x <= 3) {

    carrot();

  } else if ((x >= 4 && x <= 10)) {

    banana();

  } else if ((x == 100)) {

    x = 0;

  }

  if (keyWentDown("space")) {

    bear.velocityY = bear.velocityY - x_velocity_of_bear;

  }

  if (keyDown("up")) {

    bear.velocityY = -3;

    bear.y = bear.y - x_velocity_of_bear;

  }

  if (keyDown("down")) {

    bear.y = bear + x_velocity_of_bear;

  }

  if (keyDown("left")) {

    bear.x = bear.x - x_velocity_of_bear;

  }

  if (keyDown("right")) {

    bear.x = bear.x + x_velocity_of_bear;

  }

  if ((bear.y) <= 120) {

    bear.velocityY = y_velocity_of_bear;

  }

  if (bear.y >= 320) {

    bear.velocityY = y_velocity_of_bear;

  }

  drawSprites();

  var score = 0;

  var health = 100;

  if (health < 0) {

      background("black");

      fill("green");

      textSize(50);

      text("Game Over!" , 40, 200);

    }

  if (score >= 50) {

      background("black");

      fill("green");

      textSize(50);

      text("You Win!" , 40, 200);

    }

  fill("white");

  textSize(20);

  text("Health:", 280, 30);

  text (health, 350, 30);

  text("Score:", 280, 50);

  text (score, 350, 50);

  if (health == 0) {

    background("black");

    textSize(20);

    text("You lose...", 200, 200);

  }

  if (score > 100) {

    background("black");

    textSize(20);

    text("You win!", 200, 200);

  }

  if (bear.isTouching(banana)) {

    score = score + 1;

  }

  if (bear.isTouching(carrot)) {

    score = score + 1;

  }

  if (bear.isTouching(bug)) {

    health = health - 1;

  }

  drawSprites();

}

function carrot() {

var food7 = createSprite(700, randomNumber(150, 300));

food7.setAnimation("carrot_1");

food7.scale = 0.7;

food7.velocityX = -2;

}

function banana() {

var food1 = createSprite(900, randomNumber(150, 300));

food1.setAnimation("banana_1_1");

food1.scale = 0.1;

food1.velocityX = -2;

}

function bug() {

  var bug = createSprite(1000, randomNumber(150, 300));

  bug.setAnimation("bug");

  bug.scale = 0.15;

  bug.velocityX = -2;

}

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[북어]

이미 해결 하셨을 것 같지만, 원하는 동작이 무엇이고 오류 동작이 무엇인지는 적어 주셔야 디버깅에 도움이 됩니다.