This is the fourth part of Egretia Engine tutorial, showing how to build a space shooter game!

Part 1 https://bit.ly/32xy7r3

Part 2 https://bit.ly/2CV2CfC

Part 3 https://bit.ly/39uicLD

Demonstration

Programming

>Use the factory pattern when NPC are unknown numbers of objects

1）Create NPC and NPCManager

2) NPCManager

> Finite State Machine (FSM)

Create id:number

Update

> Create array of NPCs

1）Randomly generated NPC

2）Time-related generation

3）Generated with arrays

>The relationship between factories

1）NPC bullets

Numbers of NPC bullets shots

> Add isHit()

What are the coolest projects you saw from people using Egretia engine?

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