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how does setBounds work?


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I've read the documentation that says:



Updates the size of this world and sets World.x/y to the given values The Camera bounds and Physics bounds (if set) are also updated to match the new World bounds.


So for example if I have a 320 x 200 canvas and want to extend that to 480 x 380 (random numbers here) I would do:


BUT would that yield this result



or this result



Would I have to give negative margins if it presently outputs result 1?



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I still can't understand centering.
If I add let's say 100px on the left and right of the screen like this:

var game = this.game;    bound_margin = 100;    newLeft = this.game.world.bounds.left-bound_margin;    newRight = this.game.world.bounds.right+bound_margin;    game.world.setBounds(newLeft, 0, newRight, window.innerHeight);    // THIS MUGHT BE WRONG    bg = game.add.tileSprite(newLeft, 0, newRight, window.innerHeight, 'background');

and then add some camera panning like so: 

update: function() {    if (cursors.left.isDown) {        this.game.camera.x -= bound_margin;    }    if (cursors.right.isDown) {        this.game.camera.x += bound_margin;    }}

the camera only moves to one side!




Also what I don't understand is why even with the new bounds in place the ship drawing point still remains at the top left of the window.

It should be out of the window?

Edited by grumpygamer
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