Instantiate OpenGLRenderer.pressed_keys before OpenGLRenderer.window

Author: eulertour

manim/renderer/opengl_renderer.py

@@ -186,6 +186,7 @@ def __init__(self):
 
         self.camera = OpenGLCamera()
 
+        self.pressed_keys = set()
         if config["preview"]:
             self.window = Window(self)
             self.context = self.window.ctx
@@ -195,7 +196,6 @@ def __init__(self):
             self.context = moderngl.create_standalone_context()
             self.frame_buffer_object = self.get_frame_buffer_object(self.context, 0)
             self.frame_buffer_object.use()
-        self.pressed_keys = set()
 
         self.context.enable(moderngl.BLEND)
         self.context.blend_func = (

manim/renderer/opengl_renderer_window.py

@@ -16,8 +16,6 @@ def __init__(self, renderer, size=None, **kwargs):
             size = (config["pixel_width"], config["pixel_height"])
         super().__init__(size=size)
 
-        self.pressed_keys = set()
-
         self.title = f"Manim Community {__version__}"
         self.size = size
         self.renderer = renderer