Now that we have basic terrain types, you can imagine what comes next: we create an array of map tiles for each row.

现在有了基本地形类型，您可以想象得到接下来需要做什么：为每一行创建一个地图图像块数组。

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To start, create a few different terrain types and throw together some really rudimentary map tiles to represent each terrain type.

首先，创建一些不同的地形类型并且集合一些极为初步的地图图像块以表示每个地形类型。

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Let's make a map that's 20 tiles in size.

让我们制作一个大小为20个图像块的地图。

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The below-street-level New York Transit Museum Store in downtown Brooklyn takes underground standards to a new level with antique subway token cufflinks, monogrammed mosaic tiles and subway map shower curtains.

BBC: One-of-a-kind holiday shopping in NYC

So, this approach requires one more layer of effort: converting the height map (or at least its visible tiles) into a "normal map" which is smooth and natural enough to be subjected to lighting effects and then displayed on screen.

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