From FragoriaWiki
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| - | // Normalizes the coords that tiles repeat across the x axis (horizontally)
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| - | // like the standard Google map tiles.
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| - | function getNormalizedCoord(coord, zoom) {
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| - | var y = coord.y;
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| - | var x = coord.x;
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| - | // tile range in one direction range is dependent on zoom level
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| - | // 0 = 1 tile, 1 = 2 tiles, 2 = 4 tiles, 3 = 8 tiles, etc
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| - | var tileRange = 1 << zoom;
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| - | // don't repeat across y-axis (vertically)
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| - | if (y < 0 || y >= tileRange) {
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| - | y = (y % tileRange + tileRange) % tileRange;
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| - | }
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| - |
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| - | // repeat across x-axis
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| - | if (x < 0 || x >= tileRange) {
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| - | x = (x % tileRange + tileRange) % tileRange;
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| - | }
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| - | return {
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| - | x: x,
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| - | y: 2y
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| - | };
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| | } | | } |
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Revision as of 09:34, 3 April 2015
Fragoria Map
