public static void DrawWireDisc (Vector3 center, Vector3 normal, float radius);

Parameters

center圆盘的中心。
normal圆盘的法线。
radiusThe radius of the disc.

Description

在 3D 空间中绘制一个平面圆盘的轮廓。

Note: Use HandleUtility.GetHandleSize when constant screen-sized handles are required.


Wire Disc in the Scene View.

using UnityEngine;
using UnityEditor;

// draw a red circle around the scene cube

[CustomEditor(typeof(CubeExample))] public class CubeEditor : Editor { void OnSceneGUI() { CubeExample cubeExample = (CubeExample)target;

Handles.color = Color.red; Handles.DrawWireDisc(cubeExample.transform.position, new Vector3(0, 1, 0), cubeExample.circleSize); } }

The cube:

using UnityEngine;

public class CubeExample : MonoBehaviour { public float circleSize = 3.0f;

void Awake() { Debug.Log("Cube"); } }