Tilemaps.Components.StaggeredCullTiles is a new function that culls tiles in a staggered map.

Author: photonstorm

src/tilemaps/components/StaggeredCullTiles.js

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+/**
+ * @author       Richard Davey <rich@photonstorm.com>
+ * @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;