在threejs.org/editor的编辑器中创建素材时，有一个简单的Access - the last time the file was read
Modify - the last time the file was modified (content has been modified)
Change - the last time meta data of the file was changed (e.g. permissions)
字段，可让您上传单个图像以用作环境贴图。我需要使用MTLLoader在代码中复制此行为。这是我的代码：
envMap但是我在哪里包含该环境地图图像？显然编辑正在把它变成一个三个对象。