EditorApplication.isPlaying

Description

Is editor currently in play mode?

Setting isPlaying delays the result until after all script code has completed for this frame.

See Also: isPaused, isPlayingOrWillChangePlaymode.

// Simple editor Script that lets you save a scene while in play mode.
// WARNING: All Undo posibilities are lost after saving the scene.

import UnityEditor;

@MenuItem("Example/Save Scene while on play mode")
static function EditorPlaying() {
    if(EditorApplication.isPlaying) {
        var sceneName : String = EditorApplication.currentScene;
        var path : String [] = sceneName.Split(char.Parse("/"));
        path[path.Length -1] = "Temp_" + path[path.Length-1];
        var tempScene = String.Join("/",path);

        EditorApplication.SaveScene(tempScene);
        
        EditorApplication.isPaused = false;
        EditorApplication.isPlaying = false;
        
        FileUtil.DeleteFileOrDirectory(EditorApplication.currentScene);
        FileUtil.MoveFileOrDirectory(tempScene, sceneName);
        FileUtil.DeleteFileOrDirectory(tempScene);
        
        EditorApplication.OpenScene(sceneName);
    }
}