Version: 2018.4
LanguageEnglish
  • C#

Handles.DrawLine

Suggest a change

Success!

Thank you for helping us improve the quality of Unity Documentation. Although we cannot accept all submissions, we do read each suggested change from our users and will make updates where applicable.

Close

Submission failed

For some reason your suggested change could not be submitted. Please <a>try again</a> in a few minutes. And thank you for taking the time to help us improve the quality of Unity Documentation.

Close

Cancel

Declaration

public static void DrawLine(Vector3 p1, Vector3 p2);

Description

Draw a line from p1 to p2.


Draw Line in the Scene View.

// Draw lines to the connected game objects that a script has.
// If the target object doesnt have any game objects attached
// then it draws a line from the object to (0, 0, 0).

using UnityEditor; using UnityEngine;

[CustomEditor(typeof(ConnectedObjectsExampleScript))] class ConnectLineHandleExampleScript : Editor { void OnSceneGUI() { ConnectedObjectsExampleScript connectedObjects = target as ConnectedObjectsExampleScript; if (connectedObjects.objs == null) return;

Vector3 center = connectedObjects.transform.position; for (int i = 0; i < connectedObjects.objs.Length; i++) { GameObject connectedObject = connectedObjects.objs[i]; if (connectedObject) { Handles.DrawLine(center, connectedObject.transform.position); } else { Handles.DrawLine(center, Vector3.zero); } } } }

And the script attached to this Handle:

using UnityEngine;

public class ConnectedObjectsExampleScript : MonoBehaviour { public GameObject[] objs = null; }
Copyright © 2023 Unity Technologies
优美缔软件(上海)有限公司 版权所有
"Unity"、Unity 徽标及其他 Unity 商标是 Unity Technologies 或其附属机构在美国及其他地区的商标或注册商标。其他名称或品牌是其各自所有者的商标。
公安部备案号:
31010902002961