phaser/src/tilemaps/components/ReplaceByIndex.js
2020-11-23 10:48:24 +00:00

38 lines
1.5 KiB
JavaScript

/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2020 Photon Storm Ltd.
* @license {@link https://opensource.org/licenses/MIT|MIT License}
*/
var GetTilesWithin = require('./GetTilesWithin');
/**
* Scans the given rectangular area (given in tile coordinates) for tiles with an index matching
* `findIndex` and updates their index to match `newIndex`. This only modifies the index and does
* not change collision information.
*
* @function Phaser.Tilemaps.Components.ReplaceByIndex
* @since 3.0.0
*
* @param {number} findIndex - The index of the tile to search for.
* @param {number} newIndex - The index of the tile to replace it with.
* @param {number} tileX - The left most tile index (in tile coordinates) to use as the origin of the area.
* @param {number} tileY - The top most tile index (in tile coordinates) to use as the origin of the area.
* @param {number} width - How many tiles wide from the `tileX` index the area will be.
* @param {number} height - How many tiles tall from the `tileY` index the area will be.
* @param {Phaser.Tilemaps.LayerData} layer - The Tilemap Layer to act upon.
*/
var ReplaceByIndex = function (findIndex, newIndex, tileX, tileY, width, height, layer)
{
var tiles = GetTilesWithin(tileX, tileY, width, height, null, layer);
for (var i = 0; i < tiles.length; i++)
{
if (tiles[i] && tiles[i].index === findIndex)
{
tiles[i].index = newIndex;
}
}
};
module.exports = ReplaceByIndex;