2018-02-12 16:01:20 +00:00
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/**
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* @author Richard Davey <rich@photonstorm.com>
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2020-01-15 12:07:09 +00:00
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* @copyright 2020 Photon Storm Ltd.
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2019-05-10 15:15:04 +00:00
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* @license {@link https://opensource.org/licenses/MIT|MIT License}
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2018-02-12 16:01:20 +00:00
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*/
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2016-12-20 17:07:16 +00:00
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var GetAspectRatio = require('./GetAspectRatio');
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2017-10-13 13:11:54 +00:00
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/**
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2018-12-20 12:12:20 +00:00
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* Adjusts the target rectangle, changing its width, height and position,
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* so that it fits inside the area of the source rectangle, while maintaining its original
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* aspect ratio.
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*
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* Unlike the `FitOutside` function, there may be some space inside the source area not covered.
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2017-10-13 13:11:54 +00:00
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*
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* @function Phaser.Geom.Rectangle.FitInside
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* @since 3.0.0
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*
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2018-03-27 13:27:08 +00:00
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* @generic {Phaser.Geom.Rectangle} O - [target,$return]
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*
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2018-12-20 12:12:20 +00:00
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* @param {Phaser.Geom.Rectangle} target - The target rectangle to adjust.
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2019-06-25 15:56:56 +00:00
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* @param {Phaser.Geom.Rectangle} source - The source rectangle to envelop the target in.
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2017-10-13 13:11:54 +00:00
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*
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2018-12-20 12:12:20 +00:00
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* @return {Phaser.Geom.Rectangle} The modified target rectangle instance.
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2017-10-13 13:11:54 +00:00
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*/
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2016-12-20 17:07:16 +00:00
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var FitInside = function (target, source)
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{
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var ratio = GetAspectRatio(target);
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if (ratio < GetAspectRatio(source))
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{
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// Taller than Wide
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target.setSize(source.height * ratio, source.height);
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}
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else
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{
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// Wider than Tall
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2018-01-15 12:38:14 +00:00
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target.setSize(source.width, source.width / ratio);
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2016-12-20 17:07:16 +00:00
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}
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return target.setPosition(
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2018-01-15 12:38:14 +00:00
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source.centerX - (target.width / 2),
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source.centerY - (target.height / 2)
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2016-12-20 17:07:16 +00:00
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);
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};
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module.exports = FitInside;
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