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/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;
+        }
+    }
+}