Features:

Over a dozen exposed parameters allow you to easily customize your asteroid field in the level editor.
Supports multiple meshes with different spawn weights in one blueprint.
Each Instance revolves around its own random axis.
All instances orbit around an imaginery center of mass in a quasi-Newtonian way.
A combination of script-driven movement and real physics make the asteroids both efficient and responsive.
A demo fighter with laser guns to showcase how the asteroid field interacts with collision and damage.

Important Notes:

While optimized with pseudo physics, updating transforms of thousands of asteroids* every frame could still hurt performance greatly. Use large number of asteroids with caution.
Setting both orbiting and revolving rates to zero will eliminate this ticking cost.
This implementation of asteroid field is designed for highly interactive use cases (like collision, mining...). For cosmetic purposes, it is better to use particle systems.

* Table: Num Asteroids vs FPS (tested with a GTX 960 graphic card fullscreen):

Num __ 1000 __ 1500 __ 2000 __ 3000

FPS ___ 120+ ___ 95 ____75 ____ 50

Number of Blueprints: 5

Input: Keyboard, Mouse

Network Replicated: No

Supported Development Platforms: PC, Mac.

Supported Target Build Platforms: PC, Mac, Mobile.

Muyi Wang

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