Version: 2018.4
LanguageEnglish
  • C#

GameObject.GetComponent

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Declaration

public Component GetComponent(Type type);

Parameters

type The type of Component to retrieve.

Description

Returns the component of Type type if the game object has one attached, null if it doesn't.

GetComponent is the primary way of accessing other components. From javascript the type of a script is always the name of the script as seen in the project view. You can access both builtin components or scripts with this function.

using UnityEngine;

public class GetComponentExample : MonoBehaviour { void Start() { HingeJoint hinge = gameObject.GetComponent(typeof(HingeJoint)) as HingeJoint;

if (hinge != null) hinge.useSpring = false; } }

Declaration

public T GetComponent();

Description

Generic version of this method.

using UnityEngine;

public class GetComponentGenericExample : MonoBehaviour { void Start() { HingeJoint hinge = gameObject.GetComponent<HingeJoint>();

if (hinge != null) hinge.useSpring = false; } }

Declaration

public Component GetComponent(string type);

Parameters

type The type of Component to retrieve.

Description

Returns the component with name type if the game object has one attached, null if it doesn't.

It is better to use GetComponent with a Type instead of a string for performance reasons. Sometimes you might not be able to get to the type however, for example when trying to access a C# script from Javascript. In that case you can simply access the component by name instead of type.

using UnityEngine;

public class GetComponentNonPerformantExample : MonoBehaviour { void Start() { HingeJoint hinge = gameObject.GetComponent("HingeJoint") as HingeJoint;

if (hinge != null) hinge.useSpring = false; } }