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This commit is contained in:
Daniel Barlow 2024-11-23 12:04:06 +00:00
parent 795e63d773
commit 966026b3e7
1 changed files with 1 additions and 2 deletions

3
frontend/src/TileMap.elm
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@ -59,14 +59,13 @@ pixelsToCoord z (x,y) =
reflect : Coord -> Coord reflect : Coord -> Coord
reflect c = Coord -c.x -c.y reflect c = Coord -c.x -c.y
-- translate : a -> a -> a -- used for Coords and for TileNumbers
translate base offset = translate base offset =
{ x = (base.x + offset.x), y = (base.y + offset.y) } { x = (base.x + offset.x), y = (base.y + offset.y) }
translatePixels : Coord -> ZoomLevel -> (Int, Int) -> Coord translatePixels : Coord -> ZoomLevel -> (Int, Int) -> Coord
translatePixels old z (x, y) = translate old (pixelsToCoord z (x, y)) translatePixels old z (x, y) = translate old (pixelsToCoord z (x, y))
tileCovering : Coord -> ZoomLevel -> TileNumber tileCovering : Coord -> ZoomLevel -> TileNumber
tileCovering c z = tileCovering c z =
TileNumber (truncate (toFloat (2 ^ z) * c.x)) (truncate (toFloat (2 ^ z) * c.y)) TileNumber (truncate (toFloat (2 ^ z) * c.x)) (truncate (toFloat (2 ^ z) * c.y))