mirror of
https://github.com/photonstorm/phaser
synced 2025-01-11 04:38:51 +00:00
39 lines
1.2 KiB
JavaScript
39 lines
1.2 KiB
JavaScript
/**
|
|
* @author Richard Davey <rich@photonstorm.com>
|
|
* @copyright 2019 Photon Storm Ltd.
|
|
* @license {@link https://opensource.org/licenses/MIT|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 - The x coordinate, in tiles, not pixels.
|
|
* @param {Phaser.Cameras.Scene2D.Camera} [camera=main camera] - The Camera to use when calculating the tile index from the world values.
|
|
* @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;
|