{"id":609,"date":"2012-07-05T22:58:55","date_gmt":"2012-07-05T22:58:55","guid":{"rendered":""},"modified":"2013-02-27T12:05:07","modified_gmt":"2013-02-27T04:05:07","slug":"609","status":"publish","type":"post","link":"https:\/\/1vr.cn\/?p=609","title":{"rendered":"\u5728Unity\u7f16\u8f91\u5668\u4e0a\u589e\u52a0\u4f60\u81ea\u5df1\u7684\u5de5\u5177"},"content":{"rendered":"

\u672c\u7bc7\u6559\u7a0b\u5c06\u6559\u4f60\u6269\u5c55Unity\u7f16\u8f91\u5668,\u6765\u66f4\u597d\u7684\u914d\u5408\u4f60\u5f00\u53d1\u9879\u76ee.\u4f60\u5c06\u5b66\u4e60\u5982\u4f55\u7ed8\u5236Gizmo,\u5728\u8282\u70b9\u4e2d\u521b\u5efa\u5220\u9664\u5bf9\u8c61,\u521b\u5efa\u4e00\u4e2a\u7f16\u8f91\u5668\u7a97\u53e3,\u548c\u4f7f\u7528\u7ec4\u4ef6,\u5e76\u4e14\u5141\u8bb8\u7528\u6237\u64a4\u6d88\u4efb\u4f55\u5728\u4f60\u5de5\u5177\u4e0a\u7684\u64cd\u4f5c.<\/p>\n

\u9996\u5148\u6211\u4eec\u770b\u770b\u6700\u7ec8\u6211\u4eec\u8981\u8fbe\u6210\u7684\u5de5\u5177\u6837\u5b50:<\/p>\n

<\/p>\n

\u6b63\u5982\u56fe\u4e2d\u6240\u793a,\u6211\u4eec\u5c06\u521b\u5efa\u4e00\u4e2a\u7f16\u8f91\u5668\u7a97\u53e3,\u8fd8\u6709\u989c\u8272\u9009\u62e9\u5668\u6765\u8bbe\u7f6e\u6211\u4eec\u753b\u51fa\u7684\u6805\u683c\u989c\u8272,\u53e6\u5916\u4e5f\u53ef\u4ee5\u521b\u5efa\u548c\u5220\u9664\u5bf9\u8c61,\u5bf9\u9f50\u5230\u8fd9\u4e2a\u6805\u683c,\u4ee5\u53ca\u5bf9\u64cd\u4f5c\u7684\u64a4\u6d88\u7b49\u7b49.
1:Gizmos
\u9996\u5148\u6211\u4eec\u5b66\u4e60\u5982\u4f55\u4f7f\u7528Gizmos,\u4e0b\u9762\u8fd9\u4e2a\u662f\u51e0\u4e2a\u5e38\u89c1\u7684\u5185\u5efa\u7684Gizmos.<\/p>\n

<\/p>\n

\u9009\u62e9\u4efb\u4f55\u4e00\u4e2a\u5bf9\u8c61\u65f6\u90fd\u4f1a\u663e\u793a\u8fd9\u4e2aGizmo.<\/p>\n

<\/p>\n

\u8fd9\u662f\u53e6\u5916\u4e00\u4e2aGizmo,\u8fd9\u4f7f\u6211\u4eec\u80fd\u770b\u5230\u6240\u9009\u7684\u5bf9\u8c61\u7684boxCollider\u7684\u5927\u5c0f.<\/p>\n

2:\u521b\u5efa\u4e00\u4e2a\u6805\u683c\u811a\u672c
\u7528C#\u811a\u672c\u7ed8\u5236Gizmo\u7ed9\u4e00\u4e2a\u5bf9\u8c61,\u6211\u4eec\u5c06\u5728\u7f16\u8f91\u5668\u4e2d\u753b\u4e00\u4e2a\u6805\u683c\u4f5c\u4e3a\u793a\u4f8b.<\/p>\n

using UnityEngine;
using System.Collections;<\/p>\n

public class Grid : MonoBehaviour
{<\/p>\n

    void Start ()
    {
    }<\/p>\n

    void Update ()
    {
    }
}
<\/code><\/p>\n

\u8fd9\u4e2a\u6805\u683c,\u6211\u4eec\u9700\u8981\u6dfb\u52a0\u957f\u548c\u5bbd\u7684\u4e24\u4e2a\u53d8\u91cf.<\/p>\n

public class Grid : MonoBehaviour
{
    public float width = 32.0f;
    public float height = 32.0f;<\/p>\n

    void Start ()
    {
    }<\/p>\n

    void Update ()
    {
    }
}<\/code><\/p>\n

\u8981\u7ed8\u5236\u6805\u683c,\u6211\u4eec\u9700\u8981\u7528OnDrawGizmos,\u8ba9\u6211\u4eec\u521b\u5efa\u5b83.<\/p>\n

public class Grid : MonoBehaviour
{
    public float width = 32.0f;
    public float height = 32.0f;<\/p>\n

    void Start ()
    {
    }<\/p>\n

    void Update ()
    {
    }<\/p>\n

    void OnDrawGizmos()
    {
    }
}<\/code><\/p>\n

3:\u7ed8\u5236\u6805\u683c
\u8981\u7ed8\u5236\u6805\u683c,\u6211\u4eec\u9700\u8981\u5728\u7f16\u8f91\u5668\u7684\u76f8\u673a\u4f4d\u7f6e\u7ed8\u5236\u4e00\u4e9b\u6a2a\u7ebf\u7ad6\u7ebf.\u9996\u5148\u6211\u4eec\u7528\u4e00\u4e2a\u53d8\u91cf\u6765\u50a8\u5b58\u76f8\u673a\u7684\u4f4d\u7f6e.<\/p>\n

void OnDrawGizmos()
{
    Vector3 pos = Camera.current.transform.position;
}<\/code><\/p>\n

\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Camera.current\u6765\u83b7\u53d6\u7f16\u8f91\u5668\u7684\u76f8\u673a.<\/p>\n

\u73b0\u5728\u6211\u4eec\u9700\u8981\u7528\u4e24\u4e2a\u5faa\u73af\u6765\u7ed8\u5236\u6a2a\u7ebf\u548c\u7ad6\u7ebf.<\/p>\n

void OnDrawGizmos()
{
    Vector3 pos = Camera.current.transform.position;<\/p>\n

    for (float y = pos.y - 800.0f; y < pos.y + 800.0f; y+= height)
    {
        Gizmos.DrawLine(new Vector3(-1000000.0f, Mathf.Floor(y\/height) * height, 0.0f),
                        new Vector3(1000000.0f, Mathf.Floor(y\/height) * height, 0.0f));
    }<\/p>\n

    for (float x = pos.x - 1200.0f; x < pos.x + 1200.0f; x+= width)
    {
        Gizmos.DrawLine(new Vector3(Mathf.Floor(x\/width) * width, -1000000.0f, 0.0f),
                        new Vector3(Mathf.Floor(x\/width) * width, 1000000.0f, 0.0f));
    }
}<\/code><\/p>\n

\u6211\u4eec\u7528Gizmos.DrawLine()\u6765\u753b\u7ebf.Gizmos\u7c7b\u91cc\u9762\u6709\u5f88\u591a\u5176\u4ed6\u7ed8\u5236\u65b9\u6cd5,\u6240\u4ee5\u5b83\u53ef\u4ee5\u7ed8\u5236\u7acb\u65b9\u4f53,\u7403\u4f53,\u751a\u81f3\u7ebf\u6846\u56fe.\u4e5f\u53ef\u4ee5\u7ed8\u5236\u56fe\u50cf.<\/p>\n

\u6805\u683c\u5e94\u8be5\u662f\u65e0\u9650\u957f,\u4f46\u662f\u6ca1\u6709\u65e0\u7a77\u8fdc\u7684\u6d6e\u70b9\u6570\u7ed9\u6211\u4eec\u7528,\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u7b80\u5355\u7684\u7528\u4efb\u610f\u5927\u7684\u6570\u5b57\u4ee3\u66ff.\u884c\u6570\u53d6\u51b3\u4e8e\u5faa\u73af\u7684\u6b21\u6570.<\/p>\n

\u8981\u770b\u5230\u6805\u683c,\u65e7\u521b\u5efa\u4e00\u4e2a\u7a7a\u5bf9\u8c61\u5e76\u5c06\u6211\u4eec\u8fd9\u4e2a\u811a\u672c\u8d4b\u4e88\u5b83.<\/p>\n

<\/p>\n

4:\u81ea\u5b9a\u4e49\u68c0\u89c6\u9762\u677f<\/p>\n

\u63a5\u4e0b\u6765\u6211\u4eec\u81ea\u5b9a\u4e49\u68c0\u89c6\u9762\u677f,\u6211\u4eec\u9700\u8981\u521b\u5efa\u5728\u521b\u5efa\u4e00\u4e2aC#\u811a\u672c\u6587\u4ef6\u5e76\u547d\u540d\u4e3aGridEditor.\u653e\u5728\u811a\u672c\u7f16\u8f91\u5668Editor\u6587\u4ef6\u5939\u91cc.\u5982\u679c\u6ca1\u6709\u8fd9\u4e2a\u6587\u4ef6\u5939,\u5c31\u521b\u5efa\u4e00\u4e2a.<\/p>\n

using UnityEngine;
using UnityEditor;
using System.Collections;<\/p>\n

[CustomEditor (typeof(Grid))]
public class GridEditor : Editor
{
}<\/code><\/p>\n

\u6211\u4eec\u9700\u8981\u7528UnityEditor\u7684\u51fd\u6570\u6765\u8986\u76d6\u6805\u683c\u9ed8\u8ba4\u7684\u68c0\u89c6\u9762\u677f,\u4f7f\u7528 [CustomEditor (typeof(Grid))] \u8ba9Unity\u77e5\u9053\u6211\u4eec\u5c06\u5b9a\u5236\u6805\u683c\u7684\u68c0\u89c6\u9762\u677f.<\/p>\n

public class GridEditor : Editor
{
    public override void OnInspectorGUI()
    {
    }
}<\/code><\/p>\n

\u5982\u679c\u73b0\u5728\u4f60\u770b\u7f16\u8f91\u5668\u7684\u68c0\u89c6\u9762\u677f,\u4f60\u5c06\u770b\u5230\u4e00\u4e2a\u7a7a\u7684\u7a97\u53e3.\u8fd9\u662f\u56e0\u4e3a\u6211\u4eec\u81ea\u5b9a\u4e49\u4e86\u4e00\u4e2a\u9762\u677f\u7528OnInspectorGui()\u7684\u65b9\u6cd5\u8986\u76d6\u6389\u4e86\u9ed8\u8ba4\u7684\u68c0\u89c6\u9762\u677f.<\/p>\n

<\/p>\n

5:\u4f7f\u7528GuiLayout\u586b\u5145\u81ea\u5b9a\u4e49\u68c0\u89c6\u9762\u677f.
\u4e0a\u9762\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u7a7a\u7684\u9762\u677f,\u9996\u5148\u6211\u4eec\u8981\u7ed9\u8fd9\u4e2a\u9762\u677f\u6307\u5b9a\u4e00\u4e2a\u76ee\u6807\u5bf9\u8c61.\u5b9e\u9645\u4e0a,\u5df2\u7ecf\u6709\u4e2atarget\u7ed9\u8fd9\u4e2a\u68c0\u89c6\u9762\u677f.\u4f46\u662f\u65b9\u4fbf\u8d77\u89c1,\u6211\u4eec\u5c06\u521b\u5efa\u4e00\u4e2a\u5f15\u7528\u6805\u683c\u7ec4\u4ef6\u7684\u5bf9\u8c61.\u6211\u4eec\u5148\u6765\u58f0\u660e\u5b83.<\/p>\n

public class GridEditor : Editor
{
    Grid grid;<\/code><\/p>\n

\u5728\u68c0\u89c6\u9762\u677f\u6fc0\u6d3b\u7684\u65f6\u5019\u53ef\u4ee5\u7528OnEnable()\u65b9\u6cd5\u6765\u6267\u884c\u4e00\u4e9b\u4e8b\u4ef6.<\/p>\n

public class GridEditor : Editor
{
    Grid grid;<\/p>\n

    public void OnEnable()
    {
        grid = (Grid)target;
    }
<\/code><\/p>\n

\u6211\u4eec\u7528GUILayout\u548cEditorGUILayout\u7c7b\u6765\u521b\u5efa\u4e00\u4e9b\u8868\u5355.<\/p>\n

public override void OnInspectorGUI()
{
    GUILayout.BeginHorizontal();
    GUILayout.Label(\" Grid Width \");
    grid.width = EditorGUILayout.FloatField(grid.width, GUILayout.Width(50));
    GUILayout.EndHorizontal();
}<\/code><\/p>\n

\u7b2c\u4e00\u884c\u4e2d\u7684GUILayout.BeginHorizontal()\u8868\u793a\u4e0b\u9762\u7684\u5143\u7d20\u90fd\u5c06\u6c34\u5e73\u6392\u5217,\u540c\u6837\u7684,\u5728\u6700\u540e\u6709GUILayout.EndHorizontal()\u6765\u8bf4\u660e\u7ed3\u675f\u4e0a\u9762\u7684\u6392\u5217\u65b9\u5f0f.\u7b2c\u4e00\u4e2a\u662f\u4e00\u4e2a\u6807\u7b7e.\u7528\u6765\u663e\u793a\u7f51\u683c\u5bbd\u5ea6.\u7136\u540e\u65c1\u8fb9\u521b\u5efa\u4e86\u4e00\u4e2aEditorGUILayout.FloatField\u5b57\u6bb5\u6765\u5206\u914dgrid.width,\u5e76\u8bbe\u7f6e\u9ed8\u8ba4\u503c\u4e3a50\u50cf\u7d20.<\/p>\n

\u4e0b\u9762\u662f\u5728\u68c0\u89c6\u9762\u677f\u4e2d\u5b9e\u9645\u7684\u6548\u679c:<\/p>\n

<\/p>\n

6:\u586b\u5145\u68c0\u89c6\u9762\u677f\u548c\u91cd\u7ed8\u573a\u666f.
\u8ba9\u6211\u4eec\u6dfb\u52a0grid.height\u7684\u5b57\u6bb5\u5230\u68c0\u89c6\u9762\u677f\u4e2d.<\/p>\n

public override void OnInspectorGUI()
{
    GUILayout.BeginHorizontal();
    GUILayout.Label(\" Grid Width \");
    grid.width = EditorGUILayout.FloatField(grid.width, GUILayout.Width(50));
    GUILayout.EndHorizontal();<\/p>\n

    GUILayout.BeginHorizontal();
    GUILayout.Label(\" Grid Height \");
    grid.height = EditorGUILayout.FloatField(grid.height, GUILayout.Width(50));
    GUILayout.EndHorizontal();
}<\/code><\/p>\n

\u8fd9\u5c31\u662f\u63a7\u5236\u6805\u683c\u5bf9\u8c61\u7684\u6240\u6709\u5b57\u6bb5,\u5982\u679c\u60f3\u4e86\u89e3\u5176\u4ed6\u7c7b\u578b\u7684\u5b57\u6bb5\u9879,\u53ef\u4ee5\u770b\u811a\u672c\u53c2\u8003\u7684EditorGUILayout\u548cGUILayout,\u8fd9\u4e2a\u65f6\u5019\u53ea\u6709\u5728\u6211\u4eec\u9009\u62e9\u573a\u666f\u89c6\u56fe\u7a97\u53e3\u7684\u65f6\u5019,\u68c0\u89c6\u9762\u677f\u4e2d\u505a\u7684\u65b0\u53d8\u5316\u624d\u662f\u53ef\u89c1\u7684,\u4e3a\u4e86\u4fdd\u6301\u5b9e\u65f6\u53d8\u5316,\u4e00\u65e6\u6211\u4eec\u505a\u4e86\u4fee\u6539,\u6211\u4eec\u5c31\u53ef\u4ee5\u7528SceneView.RepaintAll()\u6765\u91cd\u7ed8\u573a\u666f\u89c6\u56fe.<\/p>\n

public override void OnInspectorGUI()
{
    GUILayout.BeginHorizontal();
    GUILayout.Label(\" Grid Width \");
    grid.width = EditorGUILayout.FloatField(grid.width, GUILayout.Width(50));
    GUILayout.EndHorizontal();<\/p>\n

    GUILayout.BeginHorizontal();
    GUILayout.Label(\" Grid Height \");
    grid.height = EditorGUILayout.FloatField(grid.height, GUILayout.Width(50));
    GUILayout.EndHorizontal();<\/p>\n

    SceneView.RepaintAll();
}<\/code><\/p>\n

\u73b0\u5728\u6211\u4eec\u5c31\u4e0d\u9700\u8981\u5728\u70b9\u51fb\u68c0\u89c6\u9762\u677f\u4ee5\u5916\u7684\u533a\u57df\u67e5\u770b\u6539\u53d8\u4e86.<\/p>\n

<\/p>\n

7:\u5904\u7406\u7f16\u8f91\u5668\u7684\u8f93\u5165
\u73b0\u5728\u6211\u4eec\u6765\u5c1d\u8bd5\u5904\u7406\u7f16\u8f91\u5668\u7684\u8f93\u5165,\u5c31\u50cf\u6211\u4eec\u505a\u7684\u6e38\u620f\u83b7\u5f97\u952e\u76d8\u6216\u9f20\u6807\u7684\u72b6\u6001.\u6211\u4eec\u7528onSceneGUIDelegate\u6765\u5b9e\u73b0\u573a\u666f\u89c6\u56fe\u4e0a\u7684\u4ea4\u4e92,\u8ba9\u6211\u4eec\u6765\u8c03\u7528GridUpdate().<\/p>\n

public void OnEnable()
{
    grid = (Grid)target;
    SceneView.onSceneGUIDelegate = GridUpdate;
}<\/p>\n

void GridUpdate(SceneView sceneview)
{
}<\/code><\/p>\n

\u73b0\u5728\u6211\u4eec\u53ea\u9700\u8981\u83b7\u5f97\u8f93\u5165\u4e8b\u4ef6.<\/p>\n

void GridUpdate(SceneView sceneview)
{
    Event e = Event.current;
}<\/code><\/p>\n

8:\u521b\u5efa\u9884\u8bbe
\u4e3a\u4e86\u8fdb\u4e00\u6b65\u5b66\u4e60\u7f16\u8f91\u5668\u811a\u672c,\u6211\u4eec\u9700\u8981\u4e00\u4e2a\u6e38\u620f\u5bf9\u8c61,\u8ba9\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u7acb\u65b9\u4f53\u9884\u8bbe.<\/p>\n

<\/p>\n

\u53ef\u4ee5\u7f29\u653e\u7acb\u65b9\u4f53\u6216\u8005\u5176\u4ed6\u65b9\u5f0f\u8ba9\u5b83\u4e0e\u7f51\u683c\u5bf9\u9f50.<\/p>\n

<\/p>\n

\u4f60\u53ef\u4ee5\u5728\u5c42\u6b21\u9762\u677f\u4e2d\u770b\u5230\u7acb\u65b9\u4f53\u7684\u540d\u5b57\u662f\u84dd\u8272\u7684,\u8fd9\u610f\u5473\u7740\u5b83\u4e0e\u4e00\u4e2a\u9884\u8bbe\u6709\u5173\u8054.\u5728\u9879\u76ee\u89c6\u56fe\u4e2d\u4e5f\u53ef\u4ee5\u770b\u5230\u8fd9\u4e2a\u9884\u8bbe.<\/p>\n

9:\u4ece\u7f16\u8f91\u5668\u811a\u672c\u521b\u5efa\u5bf9\u8c61
\u73b0\u5728\u6211\u4eec\u8981\u505a\u5230\u4ece\u7f16\u8f91\u5668\u811a\u672c\u521b\u5efa\u5bf9\u8c61,\u6253\u5f00GirdeEditor.cs\u811a\u672c\u6765\u6539\u8fdbGridUpdate()\u51fd\u6570.
\u5f53\u6309\u4e0b\u6309\u952e\u65f6\u521b\u5efa\u5bf9\u8c61.<\/p>\n

void GridUpdate(SceneView sceneview)
{
    Event e = Event.current;<\/p>\n

    if (e.isKey && e.character == 'a')
    {
        GameObject obj;
    }
}<\/code><\/p>\n

\u811a\u672c\u4f1a\u76d1\u542c\u662f\u5426\u6309\u4e0ba\u952e,\u540c\u6837\u521b\u5efa\u4e86\u4e00\u4e2a\u7528\u6765\u5f15\u7528\u7684\u65b0\u5bf9\u8c61.<\/p>\n

void GridUpdate(SceneView sceneview)
{
    Event e = Event.current;<\/p>\n

    if (e.isKey && e.character == 'a')
    {
        GameObject obj;
        if (Selection.activeObject)
        {
            obj = (GameObject)Instantiate(Selection.activeObject);
            obj.transform.position = new Vector3(0.0f, 0.0f, 0.0f);
        }
    }
}<\/code><\/p>\n

Selection.activeObject \u662f\u76ee\u524d\u5728\u7f16\u8f91\u5668\u9009\u62e9\u7684\u5bf9\u8c61.\u53ea\u8981\u6709\u5bf9\u8c61\u88ab\u9009\u62e9,\u6211\u4eec\u5c31\u4f1a\u590d\u5236\u5b83\u5e76\u6539\u53d8\u590d\u5236\u51fa\u6765\u7684\u5bf9\u8c61\u7684\u5750\u6807\u5230\u7a7a\u95f4\u539f\u70b9.<\/p>\n

\u73b0\u5728\u6211\u4eec\u6765\u6d4b\u8bd5\u4e00\u4e0b,\u4f60\u8981\u6ce8\u610f\u5f53\u8d44\u6e90\u91cd\u5bfc\u5165\u6216\u8005\u5237\u65b0\u65f6GridUpdate()\u5c06\u505c\u6b62\u8fd0\u884c,\u5982\u679c\u8981\u91cd\u65b0\u8fd0\u884c,\u4f60\u8981\u9009\u62e9\u4e00\u4e2a\u5bf9\u8c61(\u4f8b\u5982\u4ece\u5c42\u6b21\u89c6\u56fe\u4e2d),\u6211\u4eec\u8fd9\u4f8b\u5b50\u8981\u9009\u62e9\u7f51\u683c\u5bf9\u8c61.\u8fd8\u9700\u8981\u8bb0\u5f97\u573a\u666f\u89c6\u56fe\u83b7\u5f97\u7126\u70b9\u65f6\u624d\u80fd\u6355\u83b7\u8f93\u5165\u4e8b\u4ef6.<\/p>\n

<\/p>\n

10:\u4ece\u7f16\u8f91\u5668\u811a\u672c\u5b9e\u4f8b\u5316\u9884\u8bbe
\u867d\u7136\u6211\u4eec\u73b0\u5728\u53ef\u4ee5\u514b\u9686\u5bf9\u8c61,\u4f46\u514b\u9686\u7684\u5bf9\u8c61\u662f\u4e0d\u4f1a\u6709\u9884\u8bbe\u5173\u8054\u7684.<\/p>\n

<\/p>\n

\u4f60\u53ef\u4ee5\u770b\u5230Cube(Clone)\u662f\u7eaf\u9ed1\u8272\u7684\u5b57\u4f53,\u4ee3\u8868\u5b83\u6ca1\u6709\u8fde\u63a5\u5230\u539f\u6765\u7acb\u65b9\u4f53\u7684\u9884\u8bbe.\u800c\u6211\u4eec\u5982\u679c\u5728\u7f16\u8f91\u5668\u4e2d\u624b\u52a8\u590d\u5236\u539f\u59cb\u7acb\u65b9\u4f53,\u514b\u9686\u51fa\u6765\u7684\u7acb\u65b9\u4f53\u5c06\u62e5\u6709\u539f\u7acb\u65b9\u4f53\u4e00\u6837\u7684\u9884\u8bbe.\u5982\u679c\u60f3\u5728\u811a\u672c\u91cc\u9762\u514b\u9686\u51fa\u6765\u7684\u7acb\u65b9\u4f53\u4e5f\u6709\u539f\u7acb\u65b9\u4f53\u7684\u9884\u8bbe\u5173\u8054,\u6211\u4eec\u9700\u8981\u4f7f\u7528EditorUtility\u7c7b\u91cc\u9762\u7684InstantiatePrefab() \u51fd\u6570.<\/p>\n

\u4f7f\u7528\u8fd9\u4e2a\u51fd\u6570\u524d,\u6211\u4eec\u9700\u8981\u5f97\u5230\u6240\u9009\u5bf9\u8c61\u7684\u9884\u8bbe,\u6211\u4eec\u9700\u8981\u7528\u5230EditorUtility\u7c7b\u91cc\u9762\u7684GetPrefabParent()\u51fd\u6570.<\/p>\n

void GridUpdate(SceneView sceneview)
{
    Event e = Event.current;<\/p>\n

    if (e.isKey&& e.character == 'a')
    {
        GameObject obj;
        Object prefab = EditorUtility.GetPrefabParent(Selection.activeObject);<\/p>\n

        if (prefab)
        {<\/code><\/p>\n

\u6211\u4eec\u4e5f\u53ef\u4ee5\u505c\u6b62\u5224\u65ad Selection.activeObject\u4e86,\u56e0\u4e3a\u5982\u679c\u5b83\u4e0d\u5b58\u5728,\u9884\u8bbe\u4f1a\u4e3a\u7a7a,\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u53ea\u68c0\u67e5\u9884\u8bbe\u5f15\u7528\u662f\u5426\u5b58\u5728\u5c31\u53ef\u4ee5\u4e86.
\u73b0\u5728\u8ba9\u6211\u4eec\u6765\u5b9e\u4f8b\u5316\u9884\u8bbe\u5e76\u8bbe\u7f6e\u5b83\u7684\u4f4d\u7f6e.<\/p>\n

void GridUpdate(SceneView sceneview)
{
    Event e = Event.current;<\/p>\n

    if (e.isKey && e.character == 'a')
    {
        GameObject obj;
        Object prefab = EditorUtility.GetPrefabParent(Selection.activeObject);<\/p>\n

        if (prefab)
        {
            obj = (GameObject)EditorUtility.InstantiatePrefab(prefab);
            obj.transform.position = new Vector3(0.0f, 0.0f, 0.0f);
        }
    }
}<\/code><\/p>\n

\u770b,\u73b0\u5728\u514b\u9686\u51fa\u6765\u7684\u6709\u9884\u8bbe\u5173\u8054\u4e86.<\/p>\n

<\/p>\n

11:\u8f6c\u6362\u5c4f\u5e55\u4e0a\u9f20\u6807\u5750\u6807\u5230\u4e16\u754c\u5750\u6807\u7cfb
Event\u7c7b\u6ca1\u6709\u8ba9\u6211\u4eec\u83b7\u5f97\u9f20\u6807\u5728\u4e16\u754c\u7a7a\u95f4\u7684\u4f4d\u7f6e,\u5b83\u53ea\u63d0\u4f9b\u4e86\u5c4f\u5e55\u7a7a\u95f4\u5750\u6807\u7cfb\u7684\u9f20\u6807\u4f4d\u7f6e.\u4e0b\u9762\u6211\u4eec\u5c06\u8f6c\u6362\u5b83\u4eec,\u8ba9\u6211\u4eec\u5f97\u5230\u9f20\u6807\u5728\u4e16\u754c\u7a7a\u95f4\u91cc\u7684\u4f4d\u7f6e.<\/p>\n

void GridUpdate(SceneView sceneview)
{
    Event e = Event.current;<\/p>\n

    Ray r = Camera.current.ScreenPointToRay(new Vector3(e.mousePosition.x, -e.mousePosition.y + Camera.current.pixelHeight));
    Vector3 mousePos = r.origin;<\/code><\/p>\n

\u9996\u5148,\u6211\u4eec\u4f7f\u7528\u7f16\u8f91\u5668\u76f8\u673a\u7684ScreenPointToRay\u4ece\u5c4f\u5e55\u5750\u6807\u7cfb\u4e0a\u83b7\u53d6\u5c04\u7ebf,\u4e0d\u8fc7\u5728\u8fd9\u4e4b\u524d\u6211\u4eec\u9700\u8981\u8f6c\u6362\u5c4f\u5e55\u5750\u6807\u4f9bScreenPointToRay()\u4f7f\u7528.<\/p>\n

e.mousePosition\u7684\u539f\u70b9\u662f\u4ece\u5c4f\u5e55\u5de6\u4e0a\u89d2(\u7b49\u4e8eCamera.current.pixelWidth, -Camera.current.pixelHeight).\u6211\u4eec\u9700\u8981\u8f6c\u6362\u4e3a\u539f\u70b9\u5728\u5c4f\u5e55\u5de6\u4e0b\u89d2\u7684\u5750\u6807(Camera.current.pixelWidth, Camera.current.pixelHeight).
\u63a5\u4e0b\u6765\u6211\u4eec\u8981\u4fdd\u5b58\u9f20\u6807\u4f4d\u7f6e\u7684\u5411\u91cf.
\u73b0\u5728\u6211\u4eec\u53ef\u4ee5\u6307\u5b9a\u514b\u9686\u51fa\u6765\u7684\u5bf9\u8c61\u5230\u9f20\u6807\u7684\u4f4d\u7f6e.<\/p>\n

if (prefab)
{
    obj = (GameObject)EditorUtility.InstantiatePrefab(prefab);
    obj.transform.position = new Vector3(mousePos.x, mousePos.y, 0.0f);
}<\/code><\/p>\n

<\/p>\n

12:\u5bf9\u9f50\u7acb\u65b9\u4f53\u5230\u6805\u683c
\u8ba9\u6211\u4eec\u5c06\u521b\u5efa\u7684\u7acb\u65b9\u4f53\u5bf9\u9f50\u5230\u9f20\u6807\u4f4d\u7f6e\u7684\u7f51\u683c.<\/p>\n

if (prefab)
{
    obj = (GameObject)EditorUtility.InstantiatePrefab(prefab);
    Vector3 aligned = new Vector3(Mathf.Floor(mousePos.x\/grid.width)*grid.width + grid.width\/2.0f,
                                  Mathf.Floor(mousePos.y\/grid.height)*grid.height + grid.height\/2.0f, 0.0f);
    obj.transform.position = aligned;
}<\/code><\/p>\n

\u7ed3\u679c\u4e0b\u56fe\u8fd9\u6837.<\/p>\n

<\/p>\n

13:\u9500\u6bc1\u4ece\u7f16\u8f91\u5668\u811a\u672c\u521b\u5efa\u7684\u5bf9\u8c61.<\/p>\n

\u53ef\u4ee5\u4f7f\u7528DestroyImmediate()\u6765\u5220\u9664\u5bf9\u8c61,\u672c\u4f8b\u4e2d\u6211\u4eec\u5c06\u901a\u8fc7\u6309\u4e0b”d”\u952e\u6765\u5220\u9664\u6240\u6709\u88ab\u9009\u4e2d\u7684\u5bf9\u8c61.<\/p>\n

if (e.isKey && e.character == 'a')
{
    GameObject obj;
    Object prefab = EditorUtility.GetPrefabParent(Selection.activeObject);<\/p>\n

    if (prefab)
    {
        obj = (GameObject)EditorUtility.InstantiatePrefab(prefab);
        Vector3 aligned = new Vector3(Mathf.Floor(mousePos.x\/grid.width)*grid.width + grid.width\/2.0f,
                                      Mathf.Floor(mousePos.y\/grid.height)*grid.height + grid.height\/2.0f, 0.0f);
        obj.transform.position = aligned;
    }
}
else if (e.isKey && e.character == 'd')
{
    foreach (GameObject obj in Selection.gameObjects)
        DestroyImmediate(obj);
}<\/code><\/p>\n

\u5f53”D”\u952e\u6309\u4e0b\u65f6,\u6211\u4eec\u904d\u5386\u6240\u6709\u88ab\u9009\u4e2d\u7684\u5bf9\u8c61,\u5e76\u9010\u4e00\u5220\u9664.\u5f53\u7136Delete\u952e\u4f9d\u65e7\u53ef\u7528\u7684.<\/p>\n

14:\u64a4\u6d88\u5bf9\u8c61\u5b9e\u4f8b\u5316<\/p>\n

\u8fd9\u4e00\u8282\u6211\u4eec\u5c06\u5229\u7528Undo\u7c7b\u6765\u5b9e\u73b0\u64a4\u6d88\u7f16\u8f91\u5668\u811a\u672c\u7684\u64a4\u6d88.\u4e3a\u4e86\u5b9e\u73b0\u64a4\u6d88,\u6211\u4eec\u9700\u8981\u8c03\u7528\u5728\u7f16\u8f91\u5668\u4e2d\u521b\u5efaUndo.RegisterCreatedObjectUndo().\u5b83\u6709\u4e24\u4e2a\u53c2\u6570,\u7b2c\u4e00\u4e2a\u662f\u5df2\u7ecf\u521b\u5efa\u7684\u5bf9\u8c61,\u7b2c\u4e8c\u4e2a\u662f\u64a4\u6d88\u7684\u52a8\u4f5c\u540d\u79f0.\u4f1a\u5728”Edit-Undo name”\u4e2d\u663e\u793a.<\/p>\n

if (prefab)
{
    obj = (GameObject)EditorUtility.InstantiatePrefab(prefab);
    Vector3 aligned = new Vector3(Mathf.Floor(mousePos.x\/grid.width)*grid.width + grid.width\/2.0f,
                                  Mathf.Floor(mousePos.y\/grid.height)*grid.height + grid.height\/2.0f, 0.0f);
    obj.transform.position = aligned;
    Undo.RegisterCreatedObjectUndo(obj, \"Create \" + obj.name);
}<\/code><\/p>\n

\u5982\u679c\u4f60\u6309\u4e0b\u6309\u952e,\u521b\u5efa\u4e86\u591a\u4e2a\u7acb\u65b9\u4f53,\u7136\u540e\u5c1d\u8bd5\u64a4\u6d88,\u4f60\u4f1a\u53d1\u73b0,\u521a\u624d\u6240\u6709\u521b\u5efa\u7684\u7acb\u65b9\u4f53\u90fd\u88ab\u5220\u9664\u4e86.\u8fd9\u4e8b\u56e0\u4e3a\u6240\u6709\u88ab\u521b\u5efa\u7684\u7acb\u65b9\u4f53\u653e\u5728\u4e86\u4e00\u4e2a\u5355\u4e00\u64a4\u6d88\u4e8b\u4ef6\u4e2d.<\/p>\n

15:\u64a4\u6d88\u5355\u5bf9\u8c61\u5b9e\u4f8b<\/p>\n

\u5982\u679c\u6211\u4eec\u9700\u8981\u5bf9\u6bcf\u4e2a\u521b\u5efa\u7684\u5bf9\u8c61\u90fd\u8981\u6709\u81ea\u8eab\u7684\u64a4\u6d88\u4e8b\u4ef6,\u6211\u4eec\u9700\u8981\u4f7f\u7528Undo.IncrementCurrentEventIndex().<\/p>\n

if (prefab)
{
    Undo.IncrementCurrentEventIndex();
    obj = (GameObject)EditorUtility.InstantiatePrefab(prefab);
    Vector3 aligned = new Vector3(Mathf.Floor(mousePos.x\/grid.width)*grid.width + grid.width\/2.0f,
                                  Mathf.Floor(mousePos.y\/grid.height)*grid.height + grid.height\/2.0f, 0.0f);
    obj.transform.position = aligned;
    Undo.RegisterCreatedObjectUndo(obj, \"Create \" + obj.name);
}<\/code><\/p>\n

\u73b0\u5728\u6d4b\u8bd5\u811a\u672c\u4f60\u4f1a\u770b\u5230\u4f1a\u4e00\u4e2a\u4e2a\u7684\u64a4\u6d88\u88ab\u521b\u5efa\u7684\u7acb\u65b9\u4f53.<\/p>\n

16:\u64a4\u6d88\u5bf9\u50cf\u5220\u9664<\/p>\n

\u8981\u64a4\u6d88\u88ab\u5220\u9664\u7684\u5bf9\u8c61\u53ef\u4ee5\u4f7f\u7528 Undo.RegisterSceneUndo(),\u5b83\u5f88\u6162,\u57fa\u672c\u4e0a\u662f\u4fdd\u5b58\u573a\u666f\u7684\u72b6\u6001,\u4ee5\u4fbf\u6211\u4eec\u91cd\u505a\u88ab\u64a4\u6d88\u7684\u52a8\u4f5c,\u4e0d\u8fc7\u76ee\u524d\u6ca1\u6709\u5176\u4ed6\u76f4\u63a5\u7684\u529e\u6cd5\u6765\u91cd\u505a\u64a4\u6d88.<\/p>\n

else if (e.isKey && e.character == 'd')
{
    Undo.IncrementCurrentEventIndex();
    Undo.RegisterSceneUndo(\"Delete Selected Objects\");
    foreach (GameObject obj in Selection.gameObjects)
        DestroyImmediate(obj);
}<\/code><\/p>\n

Undo.RegisterSceneUndo() \u53ea\u6709\u4e00\u4e2a\u53c2\u6570,\u90a3\u5c31\u662f\u64a4\u6d88\u7684\u540d\u79f0.\u5f53\u7528D\u952e\u5220\u9664\u540e.\u4f60\u53ef\u4ee5\u7528\u8fd9\u4e2a\u547d\u4ee4\u64a4\u6d88\u5220\u9664.<\/p>\n

17:\u521b\u5efa\u7f16\u8f91\u5668\u7a97\u53e3\u811a\u672c<\/p>\n

\u7528\u4e00\u4e2a\u65b0\u811a\u672c\u521b\u5efa\u4e00\u4e2a\u65b0\u7f16\u8f91\u5668\u7a97\u53e3,\u811a\u672c\u540d\u4e3aGridWindow.cs.<\/p>\n

using UnityEngine;
using UnityEditor;
using System.Collections;<\/p>\n

public class GridWindow : EditorWindow
{
    public void Init()
    {
    }
}<\/code><\/p>\n

\u901a\u8fc7\u6805\u683c\u5bf9\u8c61\u6765\u8bbf\u95ee\u8fd9\u4e2a\u7a97\u53e3.<\/p>\n

public class GridWindow : EditorWindow
{
    Grid grid;<\/p>\n

    public void Init()
    {
        grid = (Grid)FindObjectOfType(typeof(Grid));
    }
}<\/code><\/p>\n

18:\u521b\u5efaGridWindow<\/p>\n

\u6211\u4eec\u5728OnInspectorGUI()\u4e2d\u4e3aGridWindow\u6dfb\u52a0\u4e00\u4e2a\u6253\u5f00\u7a97\u53e3\u6309\u94ae.<\/p>\n

public override void OnInspectorGUI()
{
    GUILayout.BeginHorizontal();
    GUILayout.Label(\" Grid Width \");
    grid.width = EditorGUILayout.FloatField(grid.width, GUILayout.Width(50));
    GUILayout.EndHorizontal();<\/p>\n

    GUILayout.BeginHorizontal();
    GUILayout.Label(\" Grid Height \");
    grid.height = EditorGUILayout.FloatField(grid.height, GUILayout.Width(50));
    GUILayout.EndHorizontal();<\/p>\n

    if (GUILayout.Button(\"Open Grid Window\", GUILayout.Width(255)))
    {
       GridWindow window = (GridWindow) EditorWindow.GetWindow(typeof(GridWindow));
       window.Init();
    }<\/p>\n

    SceneView.RepaintAll();
}<\/code><\/p>\n

\u7528GUILayout\u6765\u521b\u5efa\u6309\u94ae,\u5e76\u4e14\u8bbe\u7f6e\u6309\u94ae\u7684\u540d\u79f0\u548c\u5bbd\u5ea6.\u6253\u5f00GridWindow\u7a97\u53e3\u70b9\u4e0b\u8fd9\u4e2a\u6309\u94ae,\u5c06\u8fd4\u56de\u771f.<\/p>\n

\u56de\u5230\u68c0\u89c6\u9762\u677f\u70b9\u51fb\u6253\u5f00Grid Window\u6309\u94ae.<\/p>\n

<\/p>\n

\u4f60\u4f1a\u770b\u5230GridWindos\u5f39\u51fa\u4e86.<\/p>\n

<\/p>\n

19:\u5728GridWindos\u4e2d\u521b\u5efa\u989c\u8272\u5b57\u6bb5.<\/p>\n

\u53ef\u4ee5\u5728\u8fd9\u4e2a\u7a97\u53e3\u4e2d\u6dfb\u52a0\u4efb\u4f55\u4e1c\u897f,\u73b0\u5728\u8ba9\u6211\u4eec\u4e3a\u6805\u683c\u7c7b\u6dfb\u52a0\u4e00\u4e2a\u989c\u8272\u5b57\u6bb5,\u4ee5\u4fbf\u540e\u9762\u6211\u4eec\u6765\u7f16\u8f91\u5b83.<\/p>\n

public class Grid : MonoBehaviour
{
    public float width = 32.0f;
    public float height = 32.0f;<\/p>\n

    public Color color = Color.white;<\/code><\/p>\n

\u5728OnDrawGizmos()\u4e2d\u8d4b\u7ed9Gizmos.color.<\/p>\n

void OnDrawGizmos()
{
    Vector3 pos = Camera.current.transform.position;
    Gizmos.color = color;<\/code><\/p>\n

\u5728GridWindos\u811a\u672c\u91cc\u7684OnGUI()\u6dfb\u52a0\u4e00\u4e2a\u989c\u8272\u62fe\u53d6\u5668\u5b57\u6bb5\u7528\u6765\u6211\u4eec\u62fe\u53d6\u989c\u8272.<\/p>\n

public class GridWindow : EditorWindow
{
    Grid grid;<\/p>\n

    public void Init()
    {
        grid = (Grid)FindObjectOfType(typeof(Grid));
    }<\/p>\n

    void OnGUI()
    {
        grid.color = EditorGUILayout.ColorField(grid.color, GUILayout.Width(200));
    }
}<\/code><\/p>\n

\u70b9\u51fb\u6d4b\u8bd5\u4e00\u4e0b\u6539\u53d8\u6805\u683c\u7684\u989c\u8272.<\/p>\n

<\/p>\n

20:\u6dfb\u52a0Delegate<\/p>\n

\u6211\u4eec\u8bbe\u7f6e\u4e86\u4e00\u4e2aDelegate,\u7528=\u53f7\u5f97\u5230\u573a\u666f\u89c6\u56fe\u7684\u8f93\u5165\u4e8b\u4ef6,\u8fd9\u6837\u505a\u4e0d\u592a\u597d,\u56e0\u4e3a\u5b83\u6db5\u76d6\u4e86\u6240\u6709\u5176\u4ed6\u56de\u8c03.\u6211\u4eec\u53ef\u4ee5\u7528+=\u7b26\u53f7\u4ee3\u66ff=\u53f7.\u4e0b\u9762\u4fee\u6539GridEditor.cs\u811a\u672c.<\/p>\n

public void OnEnable()
{
    grid = (Grid)target;
    SceneView.onSceneGUIDelegate += GridUpdate;
}<\/code><\/p>\n

\u6211\u4eec\u8fd8\u9700\u8981\u521b\u5efa\u4e00\u4e2aOnDisable()\u7684\u56de\u8c03\u6765\u66ff\u6362\u6389GridUpdate(),\u5426\u5219\u4f1a\u88ab\u6267\u884c\u5f88\u591a\u6b21.<\/p>\n

public void OnEnable()
{
    grid = (Grid)target;
    SceneView.onSceneGUIDelegate += GridUpdate;
}<\/p>\n

public void OnDisable()
{
    SceneView.onSceneGUIDelegate -= GridUpdate;
}<\/code><\/p>\n

\u7ed3\u8bba:
\u8fd9\u7bc7\u662f\u7f16\u8f91\u5668\u7f16\u7a0b\u7684\u57fa\u7840\u6559\u7a0b,\u5982\u679c\u4f60\u60f3\u6269\u5c55\u8fd9\u65b9\u9762\u7684\u77e5\u8bc6,\u53ef\u4ee5\u67e5\u770b\u811a\u672c\u53c2\u8003(http:\/\/unity3d.com\/support\/documentation\/ScriptReference\/index.html<\/a>)\u4e2d\u7684Resources,\u548cAssetDatabase\u548cFileUtil\u7c7b.<\/p>\n

\u539f\u6587:http:\/\/active.tutsplus.com\/tutorials\/workflow\/how-to-add-your-own-tools-to-unitys-editor\/<\/a>
\u7531\u5a01\u963f\u7ffb\u8bd1,\u8f6c\u8f7d\u8bf7\u6ce8\u660e\u6765\u81ea1Vr.Cn,\u5426\u5219MJJ.<\/p>\n","protected":false},"excerpt":{"rendered":"

\u672c\u7bc7\u6559\u7a0b\u5c06\u6559\u4f60\u6269\u5c55Unity\u7f16\u8f91\u5668,\u6765\u66f4\u597d\u7684\u914d\u5408\u4f60\u5f00\u53d1\u9879\u76ee.\u4f60\u5c06\u5b66\u4e60\u5982\u4f55\u7ed8\u5236Gizmo,\u5728\u8282\u70b9\u4e2d\u521b\u5efa\u5220\u9664\u5bf9\u8c61, … Continue reading \u5728Unity\u7f16\u8f91\u5668\u4e0a\u589e\u52a0\u4f60\u81ea\u5df1\u7684\u5de5\u5177<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-609","post","type-post","status-publish","format-standard","hentry","without-featured-image"],"_links":{"self":[{"href":"https:\/\/1vr.cn\/index.php?rest_route=\/wp\/v2\/posts\/609","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/1vr.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/1vr.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/1vr.cn\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/1vr.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=609"}],"version-history":[{"count":1,"href":"https:\/\/1vr.cn\/index.php?rest_route=\/wp\/v2\/posts\/609\/revisions"}],"predecessor-version":[{"id":661,"href":"https:\/\/1vr.cn\/index.php?rest_route=\/wp\/v2\/posts\/609\/revisions\/661"}],"wp:attachment":[{"href":"https:\/\/1vr.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=609"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/1vr.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=609"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/1vr.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=609"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}