キューブ

CubeImporter.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEditor.Experimental.AssetImporters;
using System.IO;
using UnityEditor;
using UnityEngine.Assertions;
using System.Linq;

[ScriptedImporter(1, "cube")]
public class CubeImporter : ScriptedImporter
{
	public override void OnImportAsset(AssetImportContext ctx)
	{
		// 紐付けるGameObjectを作成する
		var cube = GameObject.CreatePrimitive(PrimitiveType.Cube);
		cube.transform.localScale = new Vector3(1, 1, 1);

		var material = new Material(Shader.Find("Standard"));
		material.name = "Cube Material";

		cube.GetComponent<MeshRenderer> ().material = material;
		
		// オブジェクトを登録する
		ctx.AddObjectToAsset("CUBE", cube);
		ctx.AddObjectToAsset(material.name, material);
		ctx.SetMainObject(cube);

		// JSONのデータを元に登録したGameObjectの設定を上書きする
		try
		{
			var scale = JsonUtility.FromJson<Vector3>(File.ReadAllText(ctx.assetPath));
			cube.transform.localScale = scale;
		}catch (System.Exception e) {
			Debug.LogError (e.Message, cube);
		}
	}
}