Template:Fragoria Map
From FragoriaWiki
(Difference between revisions)
| Line 43: | Line 43: | ||
} | } | ||
| + | // Normalizes the coords that tiles repeat across the x axis (horizontally) | ||
| + | // like the standard Google map tiles. | ||
| + | function getNormalizedCoord(coord, zoom) { | ||
| + | var y = coord.y; | ||
| + | var x = coord.x; | ||
| + | |||
| + | // tile range in one direction range is dependent on zoom level | ||
| + | // 0 = 1 tile, 1 = 2 tiles, 2 = 4 tiles, 3 = 8 tiles, etc | ||
| + | var tileRange = 1 << zoom; | ||
| + | |||
| + | // don't repeat across y-axis (vertically) | ||
| + | if (y < 0 || y >= tileRange) { | ||
| + | return null; | ||
| + | } | ||
| + | |||
| + | // don't repeat across x-axis | ||
| + | if (x < 0 || x >= tileRange) { | ||
| + | return null; | ||
| + | } | ||
| + | |||
| + | return { | ||
| + | x: x, | ||
| + | y: y | ||
| + | }; | ||
} | } | ||
Revision as of 09:35, 3 April 2015
