phaser/src/tilemaps/components/Copy.js

51 lines
1.8 KiB
JavaScript
Raw Normal View History

var GetTilesWithin = require('./GetTilesWithin');
var CalculateFacesWithin = require('./CalculateFacesWithin');
2017-11-26 15:05:19 +00:00
/**
* Copies the tiles in the source rectangular area to a new destination (all specified in tile
2017-11-27 13:33:30 +00:00
* coordinates) within the layer. This copies all tile properties & recalculates collision
* information in the destination region.
2017-11-26 15:05:19 +00:00
*
* @param {integer} srcTileX - [description]
* @param {integer} srcTileY - [description]
* @param {integer} width - [description]
* @param {integer} height - [description]
* @param {integer} destTileX - [description]
* @param {integer} destTileY - [description]
* @param {integer} destTileY - [description]
2017-11-26 15:05:19 +00:00
* @param {boolean} [recalculateFaces=true] - [description]
* @param {LayerData} layer - [description]
*/
var Copy = function (srcTileX, srcTileY, width, height, destTileX, destTileY, recalculateFaces, layer)
{
if (srcTileX < 0) { srcTileX = 0; }
if (srcTileY < 0) { srcTileY = 0; }
if (recalculateFaces === undefined) { recalculateFaces = true; }
var srcTiles = GetTilesWithin(srcTileX, srcTileY, width, height, null, layer);
var offsetX = destTileX - srcTileX;
var offsetY = destTileY - srcTileY;
for (var i = 0; i < srcTiles.length; i++)
{
var tileX = srcTiles[i].x + offsetX;
var tileY = srcTiles[i].y + offsetY;
if (tileX >= 0 && tileX < layer.width && tileY >= 0 && tileY < layer.height)
{
if (layer.data[tileY][tileX])
{
layer.data[tileY][tileX].copy(srcTiles[i]);
}
}
}
if (recalculateFaces)
{
// Recalculate the faces within the destination area and neighboring tiles
CalculateFacesWithin(destTileX - 1, destTileY - 1, width + 2, height + 2, layer);
}
};
2017-11-22 01:07:22 +00:00
module.exports = Copy;