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Build Data-Driven Enemy Variants in ECS | Grunt, Swift, Tank & Venom | Ep 42

Discord: https://discord.gg/Zvkk8Gr Twitch: https://www.twitch.tv/agentruss Website: https://agentruss.tv/ 📺 Watch the full playlist here: https://www.youtube.com/playlist?list=PLf1-5JViTP7AHmUNeUWft4bdSmLNj4q40 In Episode 42 of this ECS game engine series, we make enemies data-driven. Instead of hard-coding hostile dummy setup inside the factory, we create an EnemyDatabase and a reusable EnemyFactory. This lets us spawn different enemy types from data, including a basic grunt, a fast enemy, a tank enemy, and a venom enemy that can apply poison. In this episode, we: - create an EnemyType component - build an EnemyDatabase for enemy definitions - define multiple enemy variants: Grunt, Swift, Tank, and Venom - move enemy health, stats, AI, respawn, loot, visuals, and target ring settings into data - add optional status-on-attack support to EnemyAI - update EnemyAISystem so venom enemies can apply poison to the player - create a reusable EnemyFactory that builds enemies from database entries - replace hard-coded hostile dummy setup in the test level - give enemy variants different movement, health, damage, loot, and behavior - fix stat calculation so enemies can use defense without needing equipment By the end of the episode, enemy variants all reuse the same ECS systems: AI, damage, status effects, death, respawn, loot drops, target rings, health bars, hit flash, and damage numbers. This is a big architecture milestone because new enemy types can now be added mostly by editing data instead of writing new systems every time. Next episode, we can build on this by creating an encounter or wave system, so these enemy variants can spawn as part of structured combat scenarios. #ECS #GameDev #JavaScript #ThreeJS #GameAI