phaser/src/tilemaps/components/GetTilesWithinWorldXY.js
2024-02-19 17:12:24 +00:00

48 lines
1.9 KiB
JavaScript

/**
* @author Richard Davey <rich@phaser.io>
* @copyright 2013-2024 Phaser Studio Inc.
* @license {@link https://opensource.org/licenses/MIT|MIT License}
*/
var GetTilesWithin = require('./GetTilesWithin');
var Vector2 = require('../../math/Vector2');
var pointStart = new Vector2();
var pointEnd = new Vector2();
/**
* Gets the tiles in the given rectangular area (in world coordinates) of the layer.
*
* @function Phaser.Tilemaps.Components.GetTilesWithinWorldXY
* @since 3.0.0
*
* @param {number} worldX - The world x coordinate for the top-left of the area.
* @param {number} worldY - The world y coordinate for the top-left of the area.
* @param {number} width - The width of the area.
* @param {number} height - The height of the area.
* @param {Phaser.Types.Tilemaps.FilteringOptions} filteringOptions - Optional filters to apply when getting the tiles.
* @param {Phaser.Cameras.Scene2D.Camera} camera - The Camera to use when factoring in which tiles to return.
* @param {Phaser.Tilemaps.LayerData} layer - The Tilemap Layer to act upon.
*
* @return {Phaser.Tilemaps.Tile[]} Array of Tile objects.
*/
var GetTilesWithinWorldXY = function (worldX, worldY, width, height, filteringOptions, camera, layer)
{
var worldToTileXY = layer.tilemapLayer.tilemap._convert.WorldToTileXY;
// Top left corner of the rect, rounded down to include partial tiles
worldToTileXY(worldX, worldY, true, pointStart, camera, layer);
var xStart = pointStart.x;
var yStart = pointStart.y;
// Bottom right corner of the rect, rounded up to include partial tiles
worldToTileXY(worldX + width, worldY + height, false, pointEnd, camera, layer);
var xEnd = Math.ceil(pointEnd.x);
var yEnd = Math.ceil(pointEnd.y);
return GetTilesWithin(xStart, yStart, xEnd - xStart, yEnd - yStart, filteringOptions, layer);
};
module.exports = GetTilesWithinWorldXY;