Before優(yōu)化前

void TakeDamage() {

????if (GetComponent<HealthComponent>().health < 0) {

????GetComponent<Rigidbody>().detectCollisions = false;

????GetComponent<Collider>().enabled = false;

????GetComponent<AIControllerComponent>().enabled = false;

????GetComponent<Animator>().SetTrigger("death");

????}

}

After優(yōu)化后

// private variables to store cached references

private HealthComponent _healthComponent;

private Rigidbody _rigidbody;

private Collider _collider;

private AIControllerComponent _aiController;

private Animator _animator;

// cache the references during initialization

void Awake() {

_healthComponent = GetComponent<HealthComponent>();

_rigidbody = GetComponent<Rigidbody>();

_collider = GetComponent<Collider>();

_aiController = GetComponent<AIControllerComponent>();

_animator = GetComponent<Animator>();

}

// use the cached references at runtime

void TakeDamage() {

if (_healthComponent.health < 0) {

_rigidbody.detectCollisions = false;

_collider.enabled = false;

_aiController.enabled = false;

_animator.SetTrigger("death");

}

}