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EditorWindow.Update()

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Description

Called multiple times per second on all visible windows.


Save frames from the Game View when on play mode.

// C# Example
// Simple script that saves frames from the Game View when on play mode
//
// You can put later the frames together and create a video.
// Note: The frames are saved next to the Assets folder.

using UnityEngine;
using UnityEditor;

public class SimpleRecorder : EditorWindow
{
    string fileName = "FileName";

    string status = "Idle";
    string recordButton = "Record";
    bool recording = false;
    float lastFrameTime = 0.0f;
    int capturedFrame = 0;

    [MenuItem("Example/Simple Recorder")]
    static void Init()
    {
        SimpleRecorder window = (SimpleRecorder)EditorWindow.GetWindow(typeof(SimpleRecorder));
        window.Show();
    }

    void OnGUI()
    {
        fileName = EditorGUILayout.TextField("File Name:", fileName);

        if (GUILayout.Button(recordButton))
        {
            if (recording)  //recording
            {
                status = "Idle...";
                recordButton = "Record";
                recording = false;
            }
            else     // idle
            {
                capturedFrame = 0;
                recordButton = "Stop";
                recording = true;
            }
        }
        EditorGUILayout.LabelField("Status: ", status);
    }

    void Update()
    {
        if (recording)
        {
            if (EditorApplication.isPlaying && !EditorApplication.isPaused)
            {
                RecordImages();
                Repaint();
            }
            else
                status = "Waiting for Editor to Play";
        }
    }

    void RecordImages()
    {
        if (lastFrameTime < Time.time + (1 / 24f)) // 24fps
        {
            status = "Captured frame " + capturedFrame;
            ScreenCapture.CaptureScreenshot(fileName + " " + capturedFrame + ".png");
            capturedFrame++;
            lastFrameTime = Time.time;
        }
    }
}
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