Getting Started

Space Rock Shooter Template is a Blueprint game project. Open it from FAB, press Play on DemoMap, then adjust the included Blueprints.

Open and run

1. Add Space Rock Shooter Template from FAB and create/open the project.
2. The editor opens DemoMap (Content/SpaceShooterTemplate/Maps/DemoMap).
3. Press Play (PIE).

Config/DefaultEngine.ini sets Editor startup map and Game default map to DemoMap.

Session flow

flowchart TD
  Launch[Play DemoMap] --> HUDStart[WBP_PlayerHUD start tab]
  HUDStart -->|Start Game Btn| GMStart[BP_SpaceRockGameMode Start Game]
  GMStart --> Ship[BP_Spaceship active]
  GMStart --> Spawn[Start Asteroid Spawn]
  Spawn --> Loop[Rocks spawn up to Max Asteroids To Spawn]
  Ship -->|Hit rock| Lives[Spaceship Lives minus 1]
  Lives -->|0 lives| Over[Game over tab]
  Over -->|Restart Btn| HUDStart

First playthrough

UI element	Behaviour
Start Game	Start Game on game mode → ship active, spawning on, in-game HUD tab
Exit Game	Quit application
Cannon selection	SingleShot or TripleShot passed into Start Game
High score	Loaded from save slot SpaceShooterSaveGame
Lives	Default Spaceship Lives = 3; updated via Show Life Hearts

Controls (BP_Spaceship)

Input	Action
Move Forward (axis)	Thrust along facing
Move Right (axis)	Rotate
Fire (action)	Internal Fire Weapon → active cannon Fire

Default firing: bEnable Continuos Firing = true, Refire Time = 0.2 s.

Ships and asteroids wrap at the play boundary using BP_ObjectMacros screen-wrap helpers.

Content layout

Content/SpaceShooterTemplate/
├── Blueprints/
│   ├── BP_SpaceRockGameMode
│   ├── BP_Spaceship
│   ├── BP_SpaceRock
│   ├── BP_Projectile
│   ├── BP_ObjectMacros
│   ├── Enums/ Structs/ SaveGame/ SpaceshipCannons/ Widgets/
├── Maps/DemoMap
├── Meshes/ Materials/ Textures/ Sounds/
└── StarterContent/Particles/

Customization entry points

BP_SpaceRockGameMode

Property / function	Default	Purpose
Max Asteroids To Spawn	30	Concurrent rock cap
bCan Spawn Asteroids	true	Master spawn toggle
Random Time	1.0–3.0 s (Event Graph)	Delay before next Spawn Next Asteroid
Default Pawn Class	BP_Spaceship	Player ship
Start Game	—	HUD entry point

BP_SpaceRock (per-size maps)

Map	Example (Small → ExtraLarge)
Asteroid Speeds	1400, 800, 400, 100
Asteroids Score	10, 20, 30, 40
Child Asteroids	0, 3, 4, 5 (split count)
Health (class default)	100

BP_Projectile

Property	Default
Speed	10000
Damage	100

Save game

BP_SaveGameManager → slot SpaceShooterSaveGame, struct ST_SaveGame (High Score).

Collision

Custom object channel Asteroid (ECC_GameTraceChannel1 in DefaultEngine.ini). Required for projectile hits and ship collisions.

Next steps

• Overview — tune difficulty, reskin, HUD, migration
• Blueprint reference