Add MovingPlatformComponent and moving platform scene; implement movement along a path with customizable speed and loop modes

2025-09-13 14:43:58 +02:00
parent 7257242fce
commit bc3108ea37
5 changed files with 135 additions and 6 deletions
--- a/objects/entities/flying_enemy.tscn
+++ b/objects/entities/flying_enemy.tscn
@@ -123,12 +123,12 @@ bus = &"sfx"
 script = ExtResource("6_q78ru")
 Area = NodePath("../Hitbox")

-[node name="PeriodicShootingComponent" type="Node" parent="." node_paths=PackedStringArray("BulletSpawnRight", "BulletSpawnLeft")]
+[node name="PeriodicShootingComponent" type="Node" parent="." node_paths=PackedStringArray("BulletSpawnPointRight", "BulletSpawnPointLeft")]
 script = ExtResource("7_weo6b")
 BulletScene = ExtResource("7_4ajjm")
 ShootInterval = 2.0
-BulletSpawnRight = NodePath("../laser spawn point right")
-BulletSpawnLeft = NodePath("../laser spawn point left")
+BulletSpawnPointRight = NodePath("../laser spawn point right")
+BulletSpawnPointLeft = NodePath("../laser spawn point left")
 ShootingIntervalVariation = 0.5

 [node name="EnemyDeathComponent" type="Node" parent="." node_paths=PackedStringArray("CollisionShape", "Health")]
--- a/objects/level/moving_platform.tscn
+++ b/objects/level/moving_platform.tscn
@@ -0,0 +1,40 @@
+[gd_scene load_steps=4 format=3 uid="uid://dt6rnh7v6dcmd"]
+
+[ext_resource type="Script" uid="uid://g4ryqvpelmvl" path="res://scripts/components/MovingPlatformComponent.cs" id="1_hd47u"]
+[ext_resource type="Texture2D" uid="uid://djifxc5x0dyrw" path="res://sprites/ppc_tileset.png" id="2_6wunj"]
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_1avbh"]
+size = Vector2(48, 4)
+
+[node name="MovingPlatformComponent" type="AnimatableBody2D"]
+script = ExtResource("1_hd47u")
+metadata/_custom_type_script = "uid://g4ryqvpelmvl"
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+shape = SubResource("RectangleShape2D_1avbh")
+
+[node name="Gfx" type="Node2D" parent="."]
+
+[node name="Sprite2D" type="Sprite2D" parent="Gfx"]
+position = Vector2(-16, 6)
+texture = ExtResource("2_6wunj")
+hframes = 12
+vframes = 12
+frame = 81
+
+[node name="Sprite2D2" type="Sprite2D" parent="Gfx"]
+position = Vector2(0, 6)
+texture = ExtResource("2_6wunj")
+hframes = 12
+vframes = 12
+frame = 82
+
+[node name="Sprite2D3" type="Sprite2D" parent="Gfx"]
+position = Vector2(16, 6)
+texture = ExtResource("2_6wunj")
+hframes = 12
+vframes = 12
+frame = 83
+
+[node name="VisibleOnScreenEnabler2D" type="VisibleOnScreenEnabler2D" parent="."]
+scale = Vector2(1, 0.2)
--- a/scenes/level_village_5.tscn
+++ b/scenes/level_village_5.tscn
@@ -1,4 +1,4 @@
-[gd_scene load_steps=23 format=4 uid="uid://bbwef3n2gjkt8"]
+[gd_scene load_steps=25 format=4 uid="uid://bbwef3n2gjkt8"]

 [ext_resource type="PackedScene" uid="uid://bqi5s710xb1ju" path="res://objects/entities/brick_player.tscn" id="1_cchob"]
 [ext_resource type="PackedScene" uid="uid://cawlpch2lk3a2" path="res://objects/level/world_environment.tscn" id="2_yd68a"]
@@ -14,6 +14,7 @@
 [ext_resource type="TileSet" uid="uid://bbppo0irxdmqy" path="res://resources/tilesets/village/foreground.tres" id="11_osyc3"]
 [ext_resource type="PackedScene" uid="uid://bqom4cm7r18db" path="res://objects/entities/killzone.tscn" id="12_m6e8x"]
 [ext_resource type="PackedScene" uid="uid://bwdlmualj6xbw" path="res://objects/entities/enemy.tscn" id="14_qxp43"]
+[ext_resource type="PackedScene" uid="uid://dt6rnh7v6dcmd" path="res://objects/level/moving_platform.tscn" id="15_1jx8o"]

 [sub_resource type="Resource" id="Resource_qxp43"]
 script = ExtResource("3_ggm0n")
@@ -60,6 +61,12 @@ color_ramp = SubResource("GradientTexture1D_f1fvy")
 [sub_resource type="OccluderPolygon2D" id="OccluderPolygon2D_qxp43"]
 polygon = PackedVector2Array(-214, -1594, 571, -1596, 571, 321, -220, 317)

+[sub_resource type="Curve2D" id="Curve2D_8fwqm"]
+_data = {
+"points": PackedVector2Array(0, 0, 0, 0, 256, -436, 0, 0, 0, 0, 0, -436, 0, 0, 0, 0, 0, -665, 0, 0, 0, 0, 358, -665, 0, 0, 0, 0, 362, -899, 0, 0, 0, 0, 0, -898, 0, 0, 0, 0, -1, -1159, 0, 0, 0, 0, 260, -1159)
+}
+point_count = 8
+
 [node name="World" type="Node2D"]

 [node name="WorldEnvironment" parent="." instance=ExtResource("2_yd68a")]
@@ -102,7 +109,6 @@ position = Vector2(32, -16)
 script = ExtResource("6_qm38r")
 follow_mode = 5
 follow_target = NodePath("../Brick Player")
-snap_to_pixel = true
 tween_resource = SubResource("Resource_0nwt7")
 follow_offset = Vector2(32, -16)
 follow_damping = true
@@ -123,7 +129,7 @@ tile_map_data = PackedByteArray("AAAjABMAAQAEAAMAAAAjABIAAQAEAAIAAAAjABEAAQAEAAI
 tile_set = ExtResource("9_tmn5u")

 [node name="Entities layer" type="TileMapLayer" parent="."]
-tile_map_data = PackedByteArray("AAANAAEAAQAAAAAADAAWAPP/AQAAAAAADAAYAAIAAQAAAAAADQA=")
+tile_map_data = PackedByteArray("AAANAAEAAQAAAAAADAAWAPP/AQAAAAAADAAYAAIAAQAAAAAADQD4/wIAAQAAAAAADQD1/wEAAQAAAAAAAQD0/wEAAQAAAAAAAQDz/wEAAQAAAAAAAQDz/wAAAQAAAAAAAQD0/wAAAQAAAAAAAQD1/wAAAQAAAAAAAQD1////AQAAAAAAAQD0////AQAAAAAAAQDz////AQAAAAAAAQAdAAEAAQAAAAAAAQAeAAEAAQAAAAAAAQAfAAEAAQAAAAAAAQAfAAAAAQAAAAAAAQAeAAAAAQAAAAAAAQAdAAAAAQAAAAAAAQAdAP//AQAAAAAAAQAeAP//AQAAAAAAAQAfAP//AQAAAAAAAQAMANP/AQAAAAAACgALANP/AQAAAAAACgAKANP/AQAAAAAACgAJANP/AQAAAAAACgAIANP/AQAAAAAACgAHANP/AQAAAAAACgAKANH/AQAAAAAAAwA=")
 tile_set = ExtResource("10_yka2u")

 [node name="Foreground layer" type="TileMapLayer" parent="."]
@@ -149,6 +155,14 @@ occluder = SubResource("OccluderPolygon2D_qxp43")
 visible = false
 polygon = PackedVector2Array(-208, 32, 561, 33, 565, 311, -216, 310)

+[node name="MovingPlatformComponent" parent="." node_paths=PackedStringArray("Path") instance=ExtResource("15_1jx8o")]
+position = Vector2(236, -436)
+Path = NodePath("../Moving Platform Path")
+Speed = 32.0
+
+[node name="Moving Platform Path" type="Path2D" parent="."]
+curve = SubResource("Curve2D_8fwqm")
+
 [connection signal="Death" from="Brick Player/HealthComponent" to="UI Layer/DeathScreen" method="OnPlayerDeath"]
 [connection signal="Death" from="Brick Player/HealthComponent" to="UI Layer/GameOverScreen" method="OnPlayerDeath"]

--- a/scripts/components/MovingPlatformComponent.cs
+++ b/scripts/components/MovingPlatformComponent.cs
@@ -0,0 +1,74 @@
+using Godot;
+
+namespace Mr.BrickAdventures.scripts.components;
+
+[GlobalClass]
+public partial class MovingPlatformComponent : AnimatableBody2D
+{
+    public enum LoopModeEnum { OneShot, Loop, PingPong }
+    
+    [Export] public Path2D Path { get; set; }
+    [Export(PropertyHint.Range, "10, 1000, 1")] public float Speed { get; set; } = 100.0f;
+    [Export] public LoopModeEnum LoopMode { get; set; } = LoopModeEnum.PingPong;
+    [Export(PropertyHint.Range, "0, 10, 0.1")] public float WaitTime { get; set; } = 1.0f;
+    
+    private PathFollow2D _pathFollower;
+    private Tween _tween;
+
+    public override void _Ready()
+    {
+        if (Path == null)
+        {
+            GD.PrintErr("MovingPlatform: Path is not set. The platform will not move.");
+            return;
+        }
+        
+        _pathFollower = new PathFollow2D
+        {
+            Loop = false,
+            Rotates = false
+        };
+        Path.AddChild(_pathFollower);
+        
+        StartMovement();
+    }
+    
+    public override void _PhysicsProcess(double delta)
+    {
+        if (_pathFollower == null) return;
+        
+        GlobalPosition = _pathFollower.GlobalPosition;
+    }
+
+    private void StartMovement()
+    {
+        _tween?.Kill();
+        _tween = CreateTween();
+        _tween.SetParallel(false);
+        
+        var pathLength =Path.Curve.GetBakedLength();
+        var duration = pathLength / Speed;
+        
+        switch (LoopMode)
+        {
+            case LoopModeEnum.OneShot:
+                _tween.TweenProperty(_pathFollower, "progress", pathLength, duration);
+                break;
+
+            case LoopModeEnum.Loop:
+                _tween.TweenProperty(_pathFollower, "progress", pathLength, duration);
+                _tween.TweenInterval(WaitTime);
+                _tween.TweenCallback(Callable.From(() => _pathFollower.Progress = 0));
+                _tween.SetLoops();
+                break;
+
+            case LoopModeEnum.PingPong:
+                _tween.TweenProperty(_pathFollower, "progress", pathLength, duration);
+                _tween.TweenInterval(WaitTime);
+                _tween.TweenProperty(_pathFollower, "progress", 0, duration);
+                _tween.TweenInterval(WaitTime);
+                _tween.SetLoops();
+                break;
+        }
+    }
+}
--- a/scripts/components/MovingPlatformComponent.cs.uid
+++ b/scripts/components/MovingPlatformComponent.cs.uid
@@ -0,0 +1 @@
+uid://g4ryqvpelmvl