diff --git a/src/tilemaps/components/StaggeredCullTiles.js b/src/tilemaps/components/StaggeredCullTiles.js new file mode 100644 index 000000000..55ade29ad --- /dev/null +++ b/src/tilemaps/components/StaggeredCullTiles.js @@ -0,0 +1,45 @@ +/** + * @author Richard Davey + * @copyright 2020 Photon Storm Ltd. + * @license {@link https://opensource.org/licenses/MIT|MIT License} + */ + +var CullBounds = require('./StaggeredCullBounds'); +var RunCull = require('./RunCull'); + +/** + * Returns the tiles in the given layer that are within the cameras viewport. This is used internally. + * + * @function Phaser.Tilemaps.Components.StaggeredCullTiles + * @since 3.50.0 + * + * @param {Phaser.Tilemaps.LayerData} layer - The Tilemap Layer to act upon. + * @param {Phaser.Cameras.Scene2D.Camera} camera - The Camera to run the cull check against. + * @param {array} [outputArray] - An optional array to store the Tile objects within. + * @param {integer} [renderOrder=0] - The rendering order constant. + * + * @return {Phaser.Tilemaps.Tile[]} An array of Tile objects. + */ +var StaggeredCullTiles = function (layer, camera, outputArray, renderOrder) +{ + if (outputArray === undefined) { outputArray = []; } + if (renderOrder === undefined) { renderOrder = 0; } + + outputArray.length = 0; + + var tilemapLayer = layer.tilemapLayer; + + if (!tilemapLayer.skipCull && tilemapLayer.scrollFactorX === 1 && tilemapLayer.scrollFactorY === 1) + { + // Camera world view bounds, snapped for scaled tile size + // Cull Padding values are given in tiles, not pixels + + var bounds = CullBounds(layer, camera); + + RunCull(layer, bounds, renderOrder, outputArray); + } + + return outputArray; +}; + +module.exports = StaggeredCullTiles;