phaser/src/tilemaps/components/HasTileAtWorldXY.js
2019-05-10 16:15:04 +01:00

34 lines
1.3 KiB
JavaScript

/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2019 Photon Storm Ltd.
* @license {@link https://opensource.org/licenses/MIT|MIT License}
*/
var HasTileAt = require('./HasTileAt');
var WorldToTileX = require('./WorldToTileX');
var WorldToTileY = require('./WorldToTileY');
/**
* Checks if there is a tile at the given location (in world coordinates) in the given layer. Returns
* false if there is no tile or if the tile at that location has an index of -1.
*
* @function Phaser.Tilemaps.Components.HasTileAtWorldXY
* @private
* @since 3.0.0
*
* @param {number} worldX - The X coordinate of the world position.
* @param {number} worldY - The Y coordinate of the world position.
* @param {Phaser.Cameras.Scene2D.Camera} [camera=main camera] - The Camera to use when factoring in which tiles to return.
* @param {Phaser.Tilemaps.LayerData} layer - The Tilemap Layer to act upon.
*
* @return {?boolean} Returns a boolean, or null if the layer given was invalid.
*/
var HasTileAtWorldXY = function (worldX, worldY, camera, layer)
{
var tileX = WorldToTileX(worldX, true, camera, layer);
var tileY = WorldToTileY(worldY, true, camera, layer);
return HasTileAt(tileX, tileY, layer);
};
module.exports = HasTileAtWorldXY;