phaser
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A fast, free and fun HTML5 Game Framework for Desktop and Mobile web browsers.
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JavaScript
/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2018 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* Converts from tile X coordinates (tile units) to world X coordinates (pixels), factoring in the
* layer's position, scale and scroll.
*
* @function Phaser.Tilemaps.Components.TileToWorldX
* @private
* @since 3.0.0
*
* @param {integer} tileX - [description]
* @param {Phaser.Cameras.Scene2D.Camera} [camera=main camera] - [description]
* @param {Phaser.Tilemaps.LayerData} layer - The Tilemap Layer to act upon.
*
* @return {number}
*/
var TileToWorldX = function (tileX, camera, layer)
{
var tileWidth = layer.baseTileWidth;
var tilemapLayer = layer.tilemapLayer;
var layerWorldX = 0;
if (tilemapLayer)
{
if (camera === undefined) { camera = tilemapLayer.scene.cameras.main; }
layerWorldX = tilemapLayer.x + camera.scrollX * (1 - tilemapLayer.scrollFactorX);
tileWidth *= tilemapLayer.scaleX;
}
return layerWorldX + tileX * tileWidth;
};
module.exports = TileToWorldX;