mirror of
https://github.com/photonstorm/phaser
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35 lines
1.5 KiB
JavaScript
35 lines
1.5 KiB
JavaScript
/**
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* @author Richard Davey <rich@photonstorm.com>
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* @copyright 2019 Photon Storm Ltd.
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* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
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*/
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var PropertyValueInc = require('./PropertyValueInc');
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/**
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* Takes an array of Game Objects, or any objects that have a public `x` property,
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* and then adds the given value to each of their `x` properties.
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*
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* The optional `step` property is applied incrementally, multiplied by each item in the array.
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*
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* To use this with a Group: `IncX(group.getChildren(), value, step)`
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*
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* @function Phaser.Actions.IncX
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* @since 3.0.0
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*
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* @generic {Phaser.GameObjects.GameObject[]} G - [items,$return]
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*
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* @param {(array|Phaser.GameObjects.GameObject[])} items - The array of items to be updated by this action.
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* @param {number} value - The amount to be added to the `x` property.
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* @param {number} [step=0] - This is added to the `value` amount, multiplied by the iteration counter.
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* @param {integer} [index=0] - An optional offset to start searching from within the items array.
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* @param {integer} [direction=1] - The direction to iterate through the array. 1 is from beginning to end, -1 from end to beginning.
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*
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* @return {(array|Phaser.GameObjects.GameObject[])} The array of objects that were passed to this Action.
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*/
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var IncX = function (items, value, step, index, direction)
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{
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return PropertyValueInc(items, 'x', value, step, index, direction);
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};
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module.exports = IncX;
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