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Project ECHO 6 cover

Unreal Engine 5 • C++ • Behavior Trees

Project ECHO 6

Third-person sci-fi prototype exploring AI patrols, multi-sense perception, and level sequencing with production tools.

AI Systems Perception Cinematics UI

Watch trailer AI Behavior

Cinematics & Backgrounds

Cinematic on entrance — Intro cinematic.

Cinematic trigger part 1 — Triggered cinematic (part 1).

Cinematic trigger part 2 — Triggered cinematic (part 2).

Background art — Key art / background.

Main menu background — Main menu background.

UI & Widgets

Main menu widget blueprint — Main menu widget.

Main menu logic blueprint — Main menu logic.

Countdown blueprint — Countdown timer.

Environment & Mechanics

Moving platform blueprint — InterpToMovement (ping-pong).

AI Spawner

Spawner 1 bot — Spawn a single bot.

Spawner 3 bots — Spawn three bots.

Behavior Tree

Behavior Tree overview — Roam → Investigate → Chase.

BT Tasks

Clear Blackboard — Clear Blackboard key.

Move to random location — Reach random point in radius.

Patrol exec AI — Patrol task (receive execute AI).

Patrol point 1 — Move to patrol point (1).

Patrol point 2 — Move to patrol point (2).

Patrol System

Patrol path point blueprint — Patrol points & callbacks.

AI Senses (Perception)

Perception event graph — Unified event graph.

Sight part 1 — Validate + get player.

Sight part 2 — Set TargetActor in blackboard.

Sound sense — Write TargetLocation key.

Touch sense — Set TargetActor on contact.

Prediction sense — Update LastKnownLocation.