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added functions for getting closest child and farthest child

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Gustav 2016-05-26 21:51:56 +02:00
parent 9f28d0659d
commit 5b4b41c958
1 changed files with 54 additions and 0 deletions
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54
src/core/Group.js
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@ -1975,6 +1975,60 @@ Phaser.Group.prototype.getBottom = function () {
};
/**
* Get the closest child to given Object/Point/Sprite/Image
*
* @method Phaser.Group#getClosestTo
* @return {any} The child closest to given Object/Point/Sprite/Image
*/
Phaser.Group.prototype.getClosestTo = function (object) {
if (this.children.length !== 0) {
var distance = Number.MAX_VALUE,
tempDistance = 0,
returnee;
this.forEachAlive(function(e) {
tempDistance = Math.abs(Phaser.Point.distance(object, e));
if (tempDistance < distance) {
distance = tempDistance;
returnee = e;
}
});
if (returnee) return returnee;
}
};
/**
* Get the farthest child to given Object/Point/Sprite/Image
*
* @method Phaser.Group#getFarthestFrom
* @return {any} The child farthest from given Object/Point/Sprite/Image
*/
Phaser.Group.prototype.getFarthestFrom = function (object) {
if (this.children.length !== 0) {
var distance = 0,
tempDistance = 0,
returnee;
this.forEachAlive(function(e) {
tempDistance = Math.abs(Phaser.Point.distance(object, e));
if (tempDistance > distance) {
distance = tempDistance;
returnee = e;
}
});
if (returnee) return returnee;
}
};
/**
* Get the number of living children in this group.
*