Refactor ball shape dispatch

src/spawn.js

@@ -265,6 +265,12 @@
       return { bodies: [body], constraints: [], blobId: null };
     };
 
+    const ballShapeFactories = {
+      gift: createGiftBall,
+      rect: createRectBall,
+      circle: createCircleBall,
+    };
+
     const createBallBodies = (x, y, color) => {
       const scene = getCurrentScene();
       const ballPhysics = scene?.config?.ballPhysics || {};
@@ -287,13 +293,9 @@
       if (scene?.config?.blobBalls === "jagged") {
         return createJaggedBall(x, y, color, commonOpts);
       }
-      if (scene?.config?.ballShape === "gift") {
+      const shape = scene?.config?.ballShape || "circle";
-        return createGiftBall(x, y, color, commonOpts, scene, debugSpawn);
+      const factory = ballShapeFactories[shape] || createCircleBall;
-      }
+      return factory(x, y, color, commonOpts, scene, debugSpawn);
-      if (scene?.config?.ballShape === "rect") {
-        return createRectBall(x, y, color, commonOpts);
-      }
-      return createCircleBall(x, y, color, commonOpts);
     };
 
     const spawnBall = () => {