Godot 3.x frame render to video editor

frame_renderer.gd

##############################################
#
#  Author: NerdOfTheMountain (Marcos A. Biteti - https://github.com/marcosbitetti)
#
#  This work is licensed under a Creative Commons Attribution 4.0 International License.
#
# USAGE:
#   1. Attach this script in a AnimationPlayer node
#   2. Set animation name and optionally framerate in properties editor
#   3. In project setthings choose: fullscreen = true, stretch mode = viewport and apect=igonre
#   4. In user folder create a folder called "render" to store all image files
#            it's usually:
#                      mac/linux: ~/.local/share/godot/app_userdata/_application_name_/
#                      win      : C:\Users\<username>\AppData\Roaming\Godot\app_userdata\<project>\
#   5. Run game to generate a frame sequence, and import it in a video editor software
#   6. Enjoy
#
##############################################

extends AnimationPlayer

export(String) var animation
export(int) var fps = 30

var time = 0.0
var frame = 0

func _process(delta):
	
	if time<current_animation_length:
		frame += 1
		var img = get_viewport().get_texture().get_data()
		img.flip_y()
		img.save_png("user://render/" + str(frame).pad_zeros(6)  + ".png")
		seek(time,true)
		time += 1.0/float(fps)
	else:
		get_tree().call_deferred( "quit" )

func _ready():
	if animation:
		stop()
		current_animation = animation
	else:
		set_process(false)