// Simple script that saves frames from the Game View when on play mode
//
// You can put later the frames togheter 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));
}

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;
Application.CaptureScreenshot(fileName + " " + capturedFrame + ".png");
capturedFrame++;
lastFrameTime = Time.time;
}
}
}