refactor(geom): dedupe union() impls

thi-ng · Jun 20, 2024 · c1880c8 · c1880c8
1 parent 159cd56
commit c1880c8
Showing 1 changed file with 6 additions and 5 deletions.
diff --git a/packages/geom/src/union.ts b/packages/geom/src/union.ts
@@ -26,12 +26,13 @@ export type UnionFn = {
  */
 export const union = <UnionFn>defmulti<any, any, IShape>(
 	__dispatch,
-	{},
+	{
+		rect: "aabb",
+	},
 	{
 		aabb: (a: AABB, b: AABB) =>
-			new AABB(...__unionBounds(a.pos, a.size, b.pos, b.size)),
-
-		rect: (a: Rect, b: Rect) =>
-			new Rect(...__unionBounds(a.pos, a.size, b.pos, b.size)),
+			new (<any>a.constructor)(
+				...__unionBounds(a.pos, a.size, b.pos, b.size)
+			),
 	}
 );