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https://github.com/photonstorm/phaser
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38 lines
1.1 KiB
JavaScript
38 lines
1.1 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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/**
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* Converts from tile X coordinates (tile units) to world X coordinates (pixels), factoring in the
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* layer's position, scale and scroll.
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*
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* @function Phaser.Tilemaps.Components.TileToWorldX
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* @since 3.0.0
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*
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* @param {number} tileX - The x coordinate, in tiles, not pixels.
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* @param {Phaser.Cameras.Scene2D.Camera} camera - The Camera to use when calculating the tile index from the world values.
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* @param {Phaser.Tilemaps.LayerData} layer - The Tilemap Layer to act upon.
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*
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* @return {number}
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*/
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var TileToWorldX = function (tileX, camera, layer)
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{
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var tileWidth = layer.baseTileWidth;
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var tilemapLayer = layer.tilemapLayer;
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var layerWorldX = 0;
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if (tilemapLayer)
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{
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if (!camera) { camera = tilemapLayer.scene.cameras.main; }
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layerWorldX = tilemapLayer.x + camera.scrollX * (1 - tilemapLayer.scrollFactorX);
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tileWidth *= tilemapLayer.scaleX;
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}
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return layerWorldX + tileX * tileWidth;
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};
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module.exports = TileToWorldX;
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