Update

Question 1

private void OnTriggerEnter(Collider other)
{
Destroy (gameObject);
Destroy(other.gameObject);
}

Answer 1

Detecta colisão e destroi ambos objetos

Question 2

private Animator playerAnim;

Answer 2

playerAnim.SetTrigger(“Jump_trig”);

Jump_trig é um parâmetro da animação para pular

Question 3

public ParticleSystem explosionParticle;

Answer 3

explosionParticle.Play();

Question 4

public int enemyCount;

Answer 4

enemyCount = FindObjectsOfType  <  Enemy>().Length;
if (enemyCount ==0)
{
SpawnEnemyWave(1);
}