feat: support for rotateWithFather property

src/lib/player/objects/Line.ts

@@ -43,6 +43,7 @@ export class Line {
   private _yModifier: 1 | -1 = 1;
   private _rotationModifier: 1 | -1 = 1;
   private _rotationOffset: 0 | 180 = 0;
+  private _rotateWithParent: boolean = false;
 
   private _curX = [];
   private _curY = [];
@@ -107,6 +108,7 @@ export class Line {
         : new GameObjects.Image(scene, 0, 0, this.getLineTexture(`asset-${lineData.Texture}`));
 
     this._hasAttach = !!this._data.attachUI;
+    this._rotateWithParent = this._data.rotateWithFather ?? false;
     this._line.setScale(
       this._scene.p(1) * (this._scaleX ?? 1),
       (this._hasCustomTexture
@@ -245,8 +247,7 @@ export class Line {
     else if (!this._hasCustomTexture && (!this._hasAttach || this._data.appearanceOnAttach === 2))
       this._line.setTint(getLineColor(this._scene));
     const { x, y } = this.getPosition();
-    const rotation =
-      (this._rotationModifier * this._rotation + this._rotationOffset) * (Math.PI / 180);
+    const rotation = this.getRotation();
     this._line.setPosition(x, y);
     this._line.setRotation(rotation);
     this._line.setAlpha(this._opacity / 255);
@@ -363,6 +364,15 @@ export class Line {
     return { x, y };
   }
 
+  getRotation() {
+    let rotation = this._rotationModifier * this._rotation + this._rotationOffset;
+    rotation *= Math.PI / 180;
+    if (this._parent !== null && this._rotateWithParent) {
+      rotation += this._parent.rotation;
+    }
+    return rotation;
+  }
+
   createContainer(depth: number) {
     const container = new GameObjects.Container(this._scene);
     container.setDepth(depth);

src/lib/types.ts

@@ -110,6 +110,7 @@ export interface JudgeLine {
   eventLayers: (EventLayer | null)[];
   extended?: Extended;
   father: number;
+  rotateWithFather?: boolean;
   isCover: number;
   isGif?: boolean;
   notes?: Note[];