/// <summary>
/// Method called when the game is over.
/// The in game UI is hidden and the game over screen is displayed.
/// The relevant UI is updated with new values.
/// The JSON is updated with the new coins collected and the new high score if it has been achieved.
/// The JSON file is then saved.
/// </summary>
void GameOver()
{
playing = false;
HideGameUI();
DisplayGameOverScreen();
string text = "Score: ";
string gameOverScore = NormaliseScore(score);
text += gameOverScore;
gameoverScoreText.text = text;
parser.AddCoinsCollected(coinsCollected);
totalCoinsCollected += coinsCollected;
SetTotalCoinsCollectedText();
if (score > highScore)
{
parser.SetHighScore(score);
highScore = score;
newHighscoreText.gameObject.SetActive(true);
}
SetHighscoreText();
parser.SaveJson();
}