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Advanced physics with Babylon.js


elessar.perm
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Hey guys!

 

I'm trying to make some advanced physics in my babylon project. To be more concrete:

 

There is a brick wall and a cannon in front of it.

Cannon makes a shot and when the shell collides with wall I want to shatter them.

So, for the wall I have two options:

  • Voronoi Fracture
  • Break the wall into bricks

Assume I will use second one.

According to forums I should break wall mesh into group of bricks with joints and remove some of them if the force is too strong.

 

And this is where the question appears: what is the best option to deal with it?

Should I expand oimo/cannon plugin to have more control over joints and ability to add native event listeners for collisions or just use Actions with intersection trigger? For now both plugins hide their world property and just implement plugin interface.

 

Thanks.

 

p.s. I'm new for babylon so it will be great if you could answer more detailed!

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It sounds like expanding would be a better option, because you cannot attach a intersection trigger between one object and "every other object in the game".

 

In other words, you have to specify two specific objects for intersection trigger. If your wanting this, do this. if you want a function to be called when anything intersects, I'm guessing OIMO or Cannon would be your best bet.

 

Anyone else smarter have any better input? :)

 

P.S: Nice avatar

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Thanks for your reply! This is something I wanted to know ;) .

 

And a little one question by the way:

 

How do I avoid situation when small and very fast shell (sphere) just flies through wall and doesn't collide it? 

I think I should increase physics precision in some way, but I don't understand how to achieve it without big impact on performance?

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