2017-11-16 02:06:07 +00:00
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var GetTilesWithin = require('./GetTilesWithin');
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2017-11-22 01:07:22 +00:00
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// Copies indices, not other properties. Does not modify collisions.
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var Copy = function (srcTileX, srcTileY, width, height, destTileX, destTileY, layer)
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2017-11-16 02:06:07 +00:00
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{
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if (srcTileX === undefined || srcTileX < 0) { srcTileX = 0; }
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if (srcTileY === undefined || srcTileY < 0) { srcTileY = 0; }
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2017-11-26 00:03:21 +00:00
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var srcTiles = GetTilesWithin(srcTileX, srcTileY, width, height, null, layer);
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2017-11-16 02:06:07 +00:00
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var offsetX = destTileX - srcTileX;
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var offsetY = destTileY - srcTileY;
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for (var i = 0; i < srcTiles.length; i++)
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{
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var tileX = srcTiles[i].x + offsetX;
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var tileY = srcTiles[i].y + offsetY;
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if (tileX >= 0 && tileX < layer.width && tileY >= 0 && tileY < layer.height)
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{
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layer.data[tileY][tileX].index = srcTiles[i].index;
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}
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}
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};
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2017-11-22 01:07:22 +00:00
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module.exports = Copy;
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