I have an idea for what I thought would be a simple game, however I'm not quite sure on how/if I can create it with this engine. My idea is for a match 3 type game. But I can't seem to figure out how to make the spawn for the orbs. I have the sprites, sounds, and the general concept in my head, but yeah.. Not sure how to connect the dots here. The basic concept would be for the top blocks to "spawn" a random colored orb if the block below it is empty. But I don't see a way for it to spawn a random orb, only one that's pre-selected. Is there a way to do that?