Add drag n drop

[v1rtl]

This would be a cool feature because most of the js physics libraries have it.

Maybe we could have a special prop, e.g. dnd={true} for both World in case we want to make every element draggable, and for Item, if we only want item to be dragged.

Example proposal:

<World gravity={[0, 9.8]} dnd>
  <Item dnd />
</World>

I made a fork and I'll try to implement this feature using ClientX and ClientY and then submit a PR

[cedricdelpoux]

@talentlessguy Did you implement something ? It could be awesome

[v1rtl]

@cedricdelpoux oh sorry I forgot about the repo... Last time I tried to do dnd I stuck somewhere but I don't remember where

I'll try once more this week

[cedricdelpoux]

Nice ! Thank you

[v1rtl]

Nice ! Thank you

I'm sorry but I don't get where in code objects coordinates are being calculated.

[cedricdelpoux]

Too bad. Thank you for trying

[v1rtl]

Too bad. Thank you for trying

lol. I asked for help to get started with contributing but ok

[nagarajanSnapwiz]

So sorry to reply after loooo...ong delay.
We need to implement mouse joint to do this.
Simpe example here with different box2d js implementation
https://www.binarytides.com/mouse-joint-box2d-javascript/.