Creating a Tower Defense Game in Unity - Dev-log + Source Code

Binary Lunar
28 May 202216:07

Summary

TLDRIn this engaging tutorial, we create a tower defense game inspired by popular titles like Kingdom Rush and Plants vs. Zombies. The video covers essential game mechanics, including a waypoint system for enemy movement, efficient enemy spawning using object pooling, and the design of various turret types. Viewers will learn how to implement health management for enemies, create a shop for purchasing turrets, and design a captivating game level using Unity's tilemap system. With detailed explanations and visual aids, this guide equips aspiring developers with the knowledge to build their own tower defense game.

Takeaways

  • 😀 The video focuses on creating a tower defense game inspired by popular titles like Kingdom Rush and Plants vs. Zombies.
  • 🏗️ A waypoint system is essential for guiding enemy waves through the level, created using an array of Vector3 coordinates.
  • ⚙️ Custom editor tools enhance the user experience by allowing developers to visually adjust waypoint positions within the scene.
  • 👾 To improve performance, a pooling system is implemented to pre-instantiate enemies, minimizing runtime resource consumption.
  • 💥 Different enemy types with unique animations and health mechanics are introduced, including a health bar to track damage.
  • 🚶 The enemy movement is controlled through scripts that determine speed and direction, facilitating waypoint navigation.
  • 🛡️ The game includes a turret system, where turrets can be upgraded and customized with various projectiles to enhance gameplay.
  • 🛒 A shop interface is developed to manage turret purchases, utilizing Scriptable Objects for efficient data management.
  • 🎨 The level design incorporates a tile map, creating an engaging environment for players while indicating enemy paths.
  • 🎶 The final game features UI elements to display player lives, available cash, and current waves, enhancing the gameplay experience.

Q & A

  • What type of game is being developed in this video?

    -The video is focused on creating a tower defense game inspired by popular games like Kingdom Rush and Plants vs. Zombies.

  • What is the purpose of the waypoint system in the game?

    -The waypoint system guides waves of enemies through the map toward their destination, ensuring they follow a predetermined path.

  • How does the video address performance issues related to spawning enemies?

    -To improve performance, the video suggests using an object pooler that pre-instantiates all enemy game objects before the game starts, enabling them to be enabled and disabled during gameplay instead of instantiating new objects on the fly.

  • What are the key components included in the enemy design?

    -Each enemy includes health bars, animations for running and getting hurt, and scripts to manage health and movement.

  • How are the turrets in the game structured?

    -Turrets consist of a parent game object, a rotating point for the turret's sprite, and a projectile spawn position. They also have scripts that manage targeting and shooting enemies.

  • What is the function of the turret upgrade script?

    -The turret upgrade script manages the upgrading process for each turret, including the cost, damage increases, and the delay between shots.

  • How is a simple shop implemented in the game?

    -The shop is created with UI elements, including a panel for turret cards, where players can purchase turrets using a currency system that handles buying and selling.

  • What approach is used to create the level map in the game?

    -The level map is created using a tile map and a tile palette from a free classic RPG tile set, allowing the developer to visually paint the map layout.

  • How many enemy waves are included in the prototype?

    -The prototype includes three waves of enemies, each featuring different enemy types.

  • What additional elements were added to enhance gameplay experience?

    -Additional elements include UI to display lives, cash available for turrets, current wave information, music, and sound effects to enrich the overall gaming experience.

Outlines

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Mindmap

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Keywords

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Highlights

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Transcripts

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Étiquettes Connexes
Tower DefenseGame DevelopmentUnity TutorialIndie GamesGame MechanicsEnemy DesignTurret SystemUI DesignGame ArtGameplay Demo
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