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Steam News19 January 20265mo ago

Galaxy Engine 1.8.0 - Improved Physics Update

I have been working on implementing Leapfrog or Velocity Verlet integration for a while now and I have finally figured out how to implement it correctly. This enhances the overall physics quality and stability.

Full notes

Full Galaxy Engine update

Read the full published notes in a cleaner layout. The original post stays linked below.

What changed

0 fixes5 additions3 changes0 removals
  • Performance
  • Gameplay
changedI have been working on implementing Leapfrog or Velocity Verlet integration for a while now and I have finally figured out how to implement it correctly. This enhances the overall physics quality and stability.
changedI also managed to slightly optimize the performance.
addedNew Velocity Verlet Integrator
changedReworked collision detection
addedAdded new "Random Mass Multiplier" slider
addedAdded new presets

I have been working on implementing Leapfrog or Velocity Verlet integration for a while now and I have finally figured out how to implement it correctly. This enhances the overall physics quality and stability.

Now planets can have stable moons, fluids are much more stable and solids break in more realistic ways!

I also managed to slightly optimize the performance.

Changelog:

  • New Velocity Verlet Integrator

  • Stable orbits thanks to better energy conservation

  • More stable fluids simulation. Better incompressibility

  • Solids can be formed only by triangles now. No more strands of particles

  • Reworked collision detection

  • Added new "Random Mass Multiplier" slider

  • Added new presets

  • Set fluid "Delta" slider to 19000 by default

This new update breaks any save prior to this version.

I have also uploaded a new video to youtube showcasing the new features:

Source

Steam News / 19 January 2026

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