If you are trying to do something like the picture you don’t need to store which corners are up/down as it can be deduced from the surrounding tiles. For example if the current tile is height n and the height of the tile one up from the current tile is height n+1 then the current … Read more
Intresting task. Lets try to simplify it – lets resolve this concrete case Solution Working version is here: https://github.com/amuzalevskiy/perlin-landscape (changes https://github.com/jorgt/perlin-landscape/pull/1 ) Explanation First what came into mind is: Just two steps: find an vertical column, which matches some set of tiles iterate tiles in set from bottom to top, checking if cursor is placed … Read more
Update: Corrected map rendering algorithm, added more illustrations, changed formating. Perhaps the advantage for the “zig-zag” technique for mapping the tiles to the screen can be said that the tile’s x and y coordinates are on the vertical and horizontal axes. “Drawing in a diamond” approach: By drawing an isometric map using “drawing in a … Read more