phaser/src/tilemaps/components/GetTilesWithinWorldXY.js
2018-02-08 02:02:37 +00:00

40 lines
1.8 KiB
JavaScript

var GetTilesWithin = require('./GetTilesWithin');
var WorldToTileX = require('./WorldToTileX');
var WorldToTileY = require('./WorldToTileY');
/**
* 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 - [description]
* @param {number} worldY - [description]
* @param {number} width - [description]
* @param {number} height - [description]
* @param {object} [filteringOptions] - Optional filters to apply when getting the tiles.
* @param {boolean} [filteringOptions.isNotEmpty=false] - If true, only return tiles that don't have
* -1 for an index.
* @param {boolean} [filteringOptions.isColliding=false] - If true, only return tiles that collide on
* at least one side.
* @param {boolean} [filteringOptions.hasInterestingFace=false] - If true, only return tiles that
* have at least one interesting face.
* @param {Phaser.Cameras.Scene2D.Camera} [camera=main camera] - [description]
* @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)
{
// Top left corner of the rect, rounded down to include partial tiles
var xStart = WorldToTileX(worldX, true, camera, layer);
var yStart = WorldToTileY(worldY, true, camera, layer);
// Bottom right corner of the rect, rounded up to include partial tiles
var xEnd = Math.ceil(WorldToTileX(worldX + width, false, camera, layer));
var yEnd = Math.ceil(WorldToTileY(worldY + height, false, camera, layer));
return GetTilesWithin(xStart, yStart, xEnd - xStart, yEnd - yStart, filteringOptions, layer);
};
module.exports = GetTilesWithinWorldXY;