wip

packages/racing/domain/value-objects/LiveryDecal.ts

@@ -12,6 +12,7 @@ export interface LiveryDecalProps {
   y: number;
   width: number;
   height: number;
+  rotation: number; // Degrees, 0-360
   zIndex: number;
   type: DecalType;
 }
@@ -23,6 +24,7 @@ export class LiveryDecal {
   readonly y: number;
   readonly width: number;
   readonly height: number;
+  readonly rotation: number;
   readonly zIndex: number;
   readonly type: DecalType;
 
@@ -33,13 +35,18 @@ export class LiveryDecal {
     this.y = props.y;
     this.width = props.width;
     this.height = props.height;
+    this.rotation = props.rotation;
     this.zIndex = props.zIndex;
     this.type = props.type;
   }
 
-  static create(props: LiveryDecalProps): LiveryDecal {
-    this.validate(props);
-    return new LiveryDecal(props);
+  static create(props: Omit<LiveryDecalProps, 'rotation'> & { rotation?: number }): LiveryDecal {
+    const propsWithRotation = {
+      ...props,
+      rotation: props.rotation ?? 0,
+    };
+    this.validate(propsWithRotation);
+    return new LiveryDecal(propsWithRotation);
   }
 
   private static validate(props: LiveryDecalProps): void {
@@ -71,6 +78,10 @@ export class LiveryDecal {
       throw new Error('LiveryDecal zIndex must be a non-negative integer');
     }
 
+    if (props.rotation < 0 || props.rotation > 360) {
+      throw new Error('LiveryDecal rotation must be between 0 and 360 degrees');
+    }
+
     if (!props.type) {
       throw new Error('LiveryDecal type is required');
     }
@@ -108,6 +119,25 @@ export class LiveryDecal {
     });
   }
 
+  /**
+   * Rotate decal
+   */
+  rotate(rotation: number): LiveryDecal {
+    // Normalize rotation to 0-360 range
+    const normalizedRotation = ((rotation % 360) + 360) % 360;
+    return LiveryDecal.create({
+      ...this,
+      rotation: normalizedRotation,
+    });
+  }
+
+  /**
+   * Get CSS transform string for rendering
+   */
+  getCssTransform(): string {
+    return `rotate(${this.rotation}deg)`;
+  }
+
   /**
    * Check if this decal overlaps with another
    */