Best way to reference every object in each game loop

Questions
1

I’ve started building a game which uses planetary physics, which means I can’t use the default box2d gravity - I need to do the simulation of gravity and application of forces myself.

This means something like:

for each physics_affected_gameobject: determine force to apply from each planet apply calculated total force to gameobject

Is the message passing setup really the best way to do this, or should I be hacking into the physics engine hooks, or using some other mechanism?

I guess my question is “What’s the most efficient way to get properties of every game object at every time step?”

Thanks!

2

Using message passing to get and set properties is not efficient and not how it is intended to be used. I would suggest that you keep all physics data where the physics is calculated and use game objects for visual representation.

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