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Now comes the tricky part, what if you need to select a tile, or a character on a tile? Or more technically–how can you determine which tile your mouse is currently over? I should also mention that this process may sometimes be referred to as a “screen-to-map” conversion, taking the mouse’s screen coordinates, and converting them to map coordinates. In a regular map with rectangular tiles it’s easy, just take the x and y, divide them by tileWidth and tileHeight, then do the conversion formula: tileID = y * numCols + x (unless you use a 2D array).
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Isometric, Programming Isometric, Programming, tile engine, tile picking, tile picking with mouse, tutorial

Hello all! My name is Ray..and today I want to talk about creating isometric things…like engines, editors, and maps. Mostly maps, but these concepts apply to all three. OK, here goes!

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Isometric, Programming 2D, C++, game development, Isometric, rendering, tile engine, tutorial