mirror of
https://github.com/photonstorm/phaser
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81 lines
3.1 KiB
JavaScript
81 lines
3.1 KiB
JavaScript
/**
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* @author Richard Davey <rich@photonstorm.com>
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* @copyright 2018 Photon Storm Ltd.
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* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
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*/
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var TileToWorldX = require('./TileToWorldX');
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var TileToWorldY = require('./TileToWorldY');
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var GetTilesWithin = require('./GetTilesWithin');
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var ReplaceByIndex = require('./ReplaceByIndex');
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/**
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* Creates a Sprite for every object matching the given tile indexes in the layer. You can
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* optionally specify if each tile will be replaced with a new tile after the Sprite has been
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* created. This is useful if you want to lay down special tiles in a level that are converted to
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* Sprites, but want to replace the tile itself with a floor tile or similar once converted.
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*
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* @function Phaser.Tilemaps.Components.CreateFromTiles
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* @since 3.0.0
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*
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* @param {integer|array} indexes - The tile index, or array of indexes, to create Sprites from.
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* @param {integer|array} replacements - The tile index, or array of indexes, to change a converted
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* tile to. Set to `null` to leave the tiles unchanged. If an array is given, it is assumed to be a
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* one-to-one mapping with the indexes array.
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* @param {object} spriteConfig - The config object to pass into the Sprite creator (i.e.
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* scene.make.sprite).
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* @param {Phaser.Scene} [scene=scene the map is within] - The Scene to create the Sprites within.
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* @param {Phaser.Cameras.Scene2D.Camera} [camera=main camera] - The Camera to use when determining the world XY
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* @param {Phaser.Tilemaps.LayerData} layer - The Tilemap Layer to act upon.
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*
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* @return {Phaser.GameObjects.Sprite[]} An array of the Sprites that were created.
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*/
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var CreateFromTiles = function (indexes, replacements, spriteConfig, scene, camera, layer)
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{
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if (spriteConfig === undefined) { spriteConfig = {}; }
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if (!Array.isArray(indexes)) { indexes = [ indexes ]; }
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var tilemapLayer = layer.tilemapLayer;
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if (scene === undefined) { scene = tilemapLayer.scene; }
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if (camera === undefined) { camera = scene.cameras.main; }
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var tiles = GetTilesWithin(0, 0, layer.width, layer.height, null, layer);
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var sprites = [];
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var i;
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for (i = 0; i < tiles.length; i++)
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{
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var tile = tiles[i];
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if (indexes.indexOf(tile.index) !== -1)
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{
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spriteConfig.x = TileToWorldX(tile.x, camera, layer);
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spriteConfig.y = TileToWorldY(tile.y, camera, layer);
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var sprite = scene.make.sprite(spriteConfig);
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sprites.push(sprite);
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}
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}
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if (typeof replacements === 'number')
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{
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// Assume 1 replacement for all types of tile given
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for (i = 0; i < indexes.length; i++)
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{
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ReplaceByIndex(indexes[i], replacements, 0, 0, layer.width, layer.height, layer);
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}
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}
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else if (Array.isArray(replacements))
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{
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// Assume 1 to 1 mapping with indexes array
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for (i = 0; i < indexes.length; i++)
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{
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ReplaceByIndex(indexes[i], replacements[i], 0, 0, layer.width, layer.height, layer);
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}
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}
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return sprites;
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};
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module.exports = CreateFromTiles;
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