GameObject.TryGetComponent

Parameters

type		The type of component to retrieve.
component		The output argument that will contain the component or `null`.

Returns

bool Returns true if the component is found, false otherwise.

Description 描述

Gets the component of the specified type, if it exists.

TryGetComponent will attempt to retrieve the component of the given type. The notable difference compared to GameObject.GetComponent is that this method does not allocate in the editor when the requested component does not exist.

using UnityEngine;

public class TryGetComponentExample : MonoBehaviour
{
    void Start()
    {
        if (gameObject.TryGetComponent(typeof(HingeJoint), out Component component))
        {
            component.name = "My Hinge";
        }
    }
}

public bool TryGetComponent(out T component);

Parameters

component The output argument that will contain the component or null.

Returns

bool Returns true if the component is found, false otherwise.

Description 描述

Generic version. See the Generic Functions page for more details.

using UnityEngine;

public class TryGetComponentGenericExample : MonoBehaviour
{
    void Start()
    {
        if (TryGetComponent(out HingeJoint hinge))
        {
            hinge.useSpring = false;
        }
    }
}