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Hi, I am new to babylonjs (and physics libraries in general). I have made a demo to illustrate my problem https://playground.babylonjs.com/#1XWKCR#1 I am trying to model a square grid that behaves like there is space in the middle, as in, if an object happens to be in the middle of it, the grid should be hanging onto it. Following the example here https://playground.babylonjs.com/#66PS52, I have created 4 boxes, positioned 90deg to each other, added a PhysicsImpostor.BoxImpostor, and parented them under a physicsRoot with PhysicsImpostor.NoImpostor. The grid behaves like there is only one collider, right in the center of the grid. Can someone please explain what is going on there? Thank you, vinz

For no good reason I was thinking about physics engines and came across this. As I was looking for a new challenge I took a look and as BitOfGold said the API is horrible but though I would give it a go. I took this example and had a go at making it work with Babylon. Never having worked with 'workers' before I had a go at doing a test with a direct implementation with Babylon.js which is here and if anyone is interested the code is at github. Very early days but slowly over the next year I will have a go at seeing what is possible and if getting somewhere will see whether it would make a good extension with added documentation. As a very amateur coder however I have a lot to learn for example how do I use ammo.js without enclosing everything in Ammo().then(function(Ammo) { }) Anyone else interested in seeing what is possible with Ammo.js and Babylon.js the let me know.

Update - the game is now available on Google Play as a native app: https://play.google.com/store/apps/details?id=com.afgt.naval The link http://www.askforgametask.com/mobile/games/naval/ Description Naval Battle is an HTML5 arcade game in which your mission is to destroy a fleet of enemy cargo ships before they deliver ammunition and provisions to the enemy troops. You are the commander of the VIC Victory, a fast light tank used by the Mobile Costal Artillery in defending a country against sea attacks. Your tank is armed with a limitless supply of anti-ship shells, but be aware that only one shell can be in view at a time! You have only 70 seconds to sink all enemy ships. They are not armed, but they are protected by the gun fire from a fortified enemy battery on the other side of the bay. And they are moving with different speeds. So you need to aim very carefully! The game ends if you fail to complete the mission within the 70-second time limit or if your tank is destroyed by enemy gun fire. Controls Use the left and right keys to move. Use the up or space key to fire. Screenshots