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https://github.com/photonstorm/phaser
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45 lines
1.6 KiB
JavaScript
45 lines
1.6 KiB
JavaScript
/**
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* @author Richard Davey <rich@photonstorm.com>
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* @copyright 2022 Photon Storm Ltd.
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* @license {@link https://opensource.org/licenses/MIT|MIT License}
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*/
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var GetTilesWithin = require('./GetTilesWithin');
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/**
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* Scans the given rectangular area (given in tile coordinates) for tiles with an index matching
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* `indexA` and swaps then with `indexB`. This only modifies the index and does not change collision
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* information.
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*
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* @function Phaser.Tilemaps.Components.SwapByIndex
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* @since 3.0.0
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*
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* @param {number} tileA - First tile index.
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* @param {number} tileB - Second tile index.
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* @param {number} tileX - The left most tile index (in tile coordinates) to use as the origin of the area.
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* @param {number} tileY - The top most tile index (in tile coordinates) to use as the origin of the area.
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* @param {number} width - How many tiles wide from the `tileX` index the area will be.
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* @param {number} height - How many tiles tall from the `tileY` index the area will be.
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* @param {Phaser.Tilemaps.LayerData} layer - The Tilemap Layer to act upon.
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*/
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var SwapByIndex = function (indexA, indexB, tileX, tileY, width, height, layer)
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{
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var tiles = GetTilesWithin(tileX, tileY, width, height, null, layer);
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for (var i = 0; i < tiles.length; i++)
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{
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if (tiles[i])
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{
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if (tiles[i].index === indexA)
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{
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tiles[i].index = indexB;
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}
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else if (tiles[i].index === indexB)
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{
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tiles[i].index = indexA;
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}
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}
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}
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};
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module.exports = SwapByIndex;
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