创建新工程

scenes/LoadingIndicator.tscn

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+[gd_scene load_steps=2 format=3 uid="uid://loading_indicator"]
+
+[ext_resource type="Script" path="res://scripts/LoadingIndicator.gd" id="1"]
+
+[node name="LoadingIndicator" type="Control"]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+mouse_filter = 2
+script = ExtResource("1")
+
+[node name="LoadingPanel" type="Panel" parent="."]
+layout_mode = 1
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -150.0
+offset_top = -100.0
+offset_right = 150.0
+offset_bottom = 100.0
+grow_horizontal = 2
+grow_vertical = 2
+
+[node name="VBoxContainer" type="VBoxContainer" parent="LoadingPanel"]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+offset_left = 20.0
+offset_top = 20.0
+offset_right = -20.0
+offset_bottom = -20.0
+grow_horizontal = 2
+grow_vertical = 2
+alignment = 1
+
+[node name="Spinner" type="ColorRect" parent="LoadingPanel/VBoxContainer"]
+custom_minimum_size = Vector2(50, 50)
+layout_mode = 2
+size_flags_horizontal = 4
+color = Color(0.4, 0.6, 1, 1)
+
+[node name="LoadingLabel" type="Label" parent="LoadingPanel/VBoxContainer"]
+layout_mode = 2
+text = "加载中..."
+horizontal_alignment = 1
+
+[node name="ProgressBar" type="ProgressBar" parent="LoadingPanel/VBoxContainer"]
+layout_mode = 2
+max_value = 100.0
+show_percentage = false