The game has only one scene, which we’ll describe. by destroying an amount of special bonus candy. In production games, user progresses through levels by achieving a certain score or by other means, e.g. Our game never ends user can swap and destroys candy (while having her score increased) forever. If the user later does a match that contains a bonus, then the whole row or column is removed (depending on whether the match was horizontally or vertically oriented). These bonus candy have a certain color (matching the one found in the normal game candy). it is not created in matches of four that occur in the subsequent loop of collapses/creations). This is created if the user’s drag/swap has a match of four (or more) as an immediate result (i.e. For the sake of this blog post, we have implemented only one. Such a game can have many types of bonuses. The described game flow can be visualized in the below diagram If the user does not touch the screen for a while, potential matches (candies that if one of them gets swapped will form a match of three) start animating, to give the user a small hint in order to continue the game. This goes on until no match of three exist and user intervention is required for the game to go on. If this happens, the matched ones disappear again, remaining candies collapse, new candies fall and so on and so forth. The game checks if another match of three is encountered (without any user intervention). Remaining candies collapse, new candies get created to replace them which collapse, too (imagine gravity acting upon them). As soon as a vertical or horizontal match of three (or more!) is encountered, the matched candies disappear. When the swap happens, the game checks for a match. User can drag (in an attempt to swap) one candy either horizontally or vertically. Only external assets we’re using are some candy graphics (Public Domain, found on OpenGameArt here) and a very cool sound (found on FreeSound here) to build our game. Let’s start with a screenshot of the game running in the Unity Editor For debugging purposes, don’t forget to check the Visual Studio tools for Unity here. Game code was written in Visual Studio (check the free Community edition here). In this blog post, we’ll try to dissect in what is needed to build such a game, using Unity 3D, Visual Studio and the C# programming language. If the user creates a match that includes this bonus, then the whole row or column is destroyed. Such an example is giving a special item if she matches more than three items. From the original Bejeweled to Candy Crush Saga and even Evolve: Hunters Quest, many games are based on the match 3 mechanism while giving specialized bonuses to the user.
Match three games are pretty famous these days. If you are in a hurry, you can try the game here and find the source code here. Please respect the copyrights/trademarks of others! This tutorial is meant for educational purposes only to showcase how to build certain types of games.
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