This is a paid asset, but now you can download Uni Bullet Hell Free.
Detail this asset from Unity Store: Original Link
Uni Bullet Hell v1.5.3 (Latest version)
Uni Bullet Hell v1.4.7
“Uni Bullet Hell” is 2D bullet hell’s shot pattern system for Unity.
You can create various bullet patterns simply by adding script component of shot patterns.
*You can set 2D sprites or 3D models for bullet prefabs.
*Customizable a various bullet param in inspector.
bullet num, bullet speed, angle, accel speed, accel turn, pause and resume time, nWay, spiral num, call back, delay, random, paint, aim target, etc…
*Pooling system of bullet GameObject.
*Sample shot patterns of 57 kinds are included.
*X-Y axis and X-Z axis support.
*All script source file (C#) is included.
*Example scene of full game is included.
*Works on mobile (iOS, Android).
*Supports object pooling system of
“Core GameKit” or “Pool Boss”
(Dark Tonic Inc.)
video
webplayer sample scene
support web site.
Please contact us if you have any questions.
e-mail or support forum