3 files changed, 13 insertions, 7 deletions
diff --git a/src/engine/config/sprites.ts b/src/engine/config/sprites.ts
index 0a4f9b5..3614488 100644
--- a/src/engine/config/sprites.ts
+++ b/src/engine/config/sprites.ts
@@ -110,10 +110,10 @@ const bubbleSpriteSpec = {
 SPRITE_SPECS.set(Sprites.BUBBLE, bubbleSpriteSpec);
 
 const portalSpriteSpec = {
-  msPerFrame: 200,
+  msPerFrame: 150,
   width: 64,
   height: 64,
-  frames: 3,
+  frames: 9,
   sheet: "/assets/portal.png",
 };
 SPRITE_SPECS.set(Sprites.PORTAL, portalSpriteSpec);
diff --git a/src/engine/entities/LambdaFactory.ts b/src/engine/entities/LambdaFactory.ts
index 9ad1398..770c096 100644
--- a/src/engine/entities/LambdaFactory.ts
+++ b/src/engine/entities/LambdaFactory.ts
@@ -143,12 +143,19 @@ export class LambdaFactory extends Entity {
   }
 
   private spawnNewLambda(direction: Direction) {
+    try {
+      parse(this.code);
+    } catch (e: any) {
+      SOUNDS.get(Failure.name)!.play();
+      return;
+    }
+
     const spawner = this.getComponent<GridSpawn>(ComponentNames.GridSpawn);
     spawner.spawnEntity(direction);
 
-    const text = this.getComponent<Text>(ComponentNames.Text);
-    text.text = spawner.spawnsLeft.toString();
-    this.addComponent(text);
+    const textComponent = this.getComponent<Text>(ComponentNames.Text);
+    textComponent.text = spawner.spawnsLeft.toString();
+    this.addComponent(textComponent);
 
     SOUNDS.get(LambdaTransformSound.name)!.play();
   }
diff --git a/src/engine/levels/Tutorial.ts b/src/engine/levels/Tutorial.ts
index 165b10f..694c8ff 100644
--- a/src/engine/levels/Tutorial.ts
+++ b/src/engine/levels/Tutorial.ts
@@ -22,8 +22,7 @@ export class Tutorial extends Level {
       new Wall({ x: 11, y: 10 }),
       new Curry({ x: 10, y: 10 }),
       new LockedDoor({ x: 9, y: 10 }),
-      new LambdaFactory({ x: 6, y: 3 }, "(λ (x) . x)", 3),
-
+      new LambdaFactory({ x: 6, y: 3 }, "// TODO: Remove line\n(λ (x) . x)", 3),
       new FunctionApplication({ x: 6, y: 6 }, "(_INPUT key)"),
     ];