Added Glitch Room Source code to Gitty

games/space_invaders/display.gd

@@ -0,0 +1,13 @@
+@tool
+extends Node2D
+func _process(_delta: float) -> void:
+	material.set_shader_parameter("overlay",get_parent().color_overlay)
+	queue_redraw()
+func _draw() -> void:
+	var available := get_viewport_rect().size if not Engine.is_editor_hint() else Vector2(672,768)
+	var scale_factor := minf(available.x/224,available.y/256)
+	# Whole-number enlargement preserves equal pixel widths whenever it fits.
+	if scale_factor>=1: scale_factor = floorf(scale_factor)
+	var size := Vector2(224,256)*scale_factor
+	draw_rect(Rect2(Vector2.ZERO,available),Color.BLACK)
+	draw_texture_rect($"../PixelScreen".get_texture(),Rect2(((available-size)*.5).floor(),size),false)