The great move >.<

game/entities/portal/entity.ts

@@ -0,0 +1,20 @@
+import { createAnimation, playAnimation } from "#/engine/Animation.ts";
+import { defineEntity } from "#/engine/Entity.ts";
+import { fromSrc, type Sprite } from "#/engine/Sprite.ts";
+import portal from "#/game/assets/portal.png";
+
+const sprite: Sprite = await fromSrc(portal, 3, 1);
+
+const { animate } = defineEntity("portal", {
+	animation: createAnimation(sprite, 400, 0),
+});
+
+animate((entity, ctx, delta) => {
+	playAnimation(
+		ctx,
+		entity.animation,
+		entity.position.x,
+		entity.position.y,
+		delta,
+	);
+});