swipe arrow progress

Scripts/Scenes/Play/Play.cs

@@ -132,11 +132,11 @@ namespace WacK.Scenes
 						default:
 							continue;
 					}
+					noteDisplay.AddChild(nNote);
 					nNote.Init(note);
 					var nPos = nNote.Position;
 					nPos.Y = msNote.Key * -ScrollPxPerSec;
 					nNote.Position = nPos;
-					noteDisplay.AddChild(nNote);
 				}
 			}
 		}

Scripts/Things/TunnelObjects/SwipeArrow.cs

@@ -0,0 +1,37 @@
+using Godot;
+using System;
+
+namespace WacK.Things.TunnelObjects
+{
+	[Tool]
+	public partial class SwipeArrow : Control
+	{
+		public readonly Color COLOR_CW = new("#FF8000");
+		public readonly Color COLOR_CCW = new("#00FF00");
+
+		private ShaderMaterial shader;
+
+        public override void _EnterTree()
+        {
+            shader = (ShaderMaterial) Material;
+        }
+		
+		public void SetCW(bool isCW)
+		{
+			shader.SetShaderParameter("ArrowColor", isCW ? COLOR_CW : COLOR_CCW);
+			shader.SetShaderParameter("isCwShape", isCW);
+		}
+
+        public void SetPosSize(int pos, int size)
+		{
+			var p = Position;
+			p.X = Constants.BASE_2D_RESOLUTION / 60 * pos;
+			Position = p;
+
+			var s = Size;
+			s.Y = Constants.BASE_2D_RESOLUTION / 60 * size;
+			Size = s;
+			shader.SetShaderParameter("TileMult", s.Y / 64);
+		}
+	}
+}

Scripts/Things/TunnelObjects/THNotePlay.cs

@@ -9,34 +9,54 @@ namespace WacK.Things.TunnelObjects
 		private NinePatchRect noteBase;
 		public NotePlay noteData;
 		
-		public void Init(NotePlay noteData)
+		public async void Init(NotePlay noteData)
 		{
+			await ToSignal(GetTree(), SceneTree.SignalName.ProcessFrame);
+			
 			this.noteData = noteData;
-			SetSizePos((int)noteData.pos, (int)noteData.size);
+			SetPosSize((int)noteData.pos, (int)noteData.size);
+
+			// handle swipe arrow color
+			if (noteData.type == NotePlayType.SwipeCW)
+			{
+				var n = (SwipeArrow) FindChild("SwipeArrow");
+				n.SetCW(noteData.type == NotePlayType.SwipeCW);
+			}
 		}
 		
-		public void SetSizePos(int pos, int size)
+		public void SetPosSize(int pos, int size)
 		{
+			var nbPos = pos;
+			var nbSize = size;
+			// TODO: end caps peak into bounds
 			if (3 <= size && size <= 59)
 			{
-				pos += 1;
-				size -= 2;				
+				nbPos += 1;
+				nbSize -= 2;
 			}
 			else if (size >= 60)
 			{
 				size = 60;
+				nbSize = 60;
 				noteBase.RegionRect = new Rect2(12, 0, new Vector2(488, 36));
 				noteBase.PatchMarginLeft = 0;
 				noteBase.PatchMarginRight = 0;
 			}
 
-			var nPos = Position;
-			nPos.X = pos * (Constants.BASE_2D_RESOLUTION/60) - 12;
-			Position = nPos;
+			var nPos = noteBase.Position;
+			nPos.X = nbPos * (Constants.BASE_2D_RESOLUTION/60) - 12;
+			noteBase.Position = nPos;
 
-			var nSize = Size;
-			nSize.X = size * (Constants.BASE_2D_RESOLUTION/60) + 24;
-			Size = nSize;
+			var nSize = noteBase.Size;
+			nSize.X = nbSize * (Constants.BASE_2D_RESOLUTION/60) + 24;
+			noteBase.Size = nSize;
+			
+			// handle swipe arrow size
+			if (noteData.type == NotePlayType.SwipeCW || noteData.type == NotePlayType.SwipeCCW)
+			{
+				var n = (SwipeArrow) FindChild("SwipeArrow");
+				n.SetPosSize(pos, size);
+			}
 		}
 	}
 }