initial commit

menus/display_settings/shape_render.gd

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+
+extends Polygon2D
+
+var num_circle_points: int = 100
+var circle_radius: float = 100.
+
+var window_size: Vector2i
+var window_center: Vector2i
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	window_size = DisplayServer.window_get_size()
+	window_center = Vector2i(window_size.x/2, window_size.y/2)
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	pass
+
+
+func _on_option_button_item_selected(index: int) -> void:
+	if index == 0:
+		# circle
+		_generate_circle_points()
+	elif index == 1:
+		# rectangle
+		pass
+
+func _generate_circle_points():
+	var new_polygon = []
+	for i in range(num_circle_points-1):
+		var rot_angle: float = 2.*PI * ((i+1) / float(num_circle_points))
+		var x = circle_radius * cos(rot_angle)
+		var y = circle_radius * sin(rot_angle)
+		new_polygon.append(Vector2(x, y))
+	polygon = PackedVector2Array(new_polygon)
+