Parsing Tiled Output - HTML5 Game DevelopmentYouTube↗  IA↗(long shot)
Education  3.7K views 4 likes 1 dislikes   23 Feb 2015
Udacity 651K subscribers United States YouTube↗


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loading these tile maps is actually a pretty complex process so we're going to
Loading these TILEDmaps is actually a pretty complex process, so we're going to
walk through it piece by piece first to parse the JSON you'll notice that we've
walk through it piece by piece. First, to parse the JSON, you'll notice that
actually modified our load function call to call parse map JSON with the data we
we've actually modified our load function call to call parseMapJSON with the
get from our xhr request now the data we've received from the Internet is
data we get from our xhr request. Now the data we've received from the internet
actually a JSON blob the first thing we need to do is actually called json.parse
is actually a JSON blob. The first thing we need to do is actually call
passing in the JSON blob to actually give us an object in JavaScript next
JSON.parse, passing the JSON blob, to actually give us an object in Javascript.
what we'd like to do is to actually cache some of the values of this new
Next, what we'd like to do is to actually cache some of the values of this new
JSON object inside of the map class itself so we don't have to keep walking
JSON object inside of the map class itself, so, we don't have to keep walking
through and querying that data object later on the parameters we care about
through and querying that data object later on. The parameters we care about
keeping track of right now are the total number of tiles across and down in the
keeping track of right now are the total number of tiles crossing down in the
Atlas the size of each of those tiles in
atlas. The size of each of those tiles in pixels, and then the size of the
pixels and then the size of the entire map in pixels now once you've retrieve that data from
entire map in pixels. Now, once you've retrieved that data from our JSON object,
our JSON object go ahead and set the fully loaded attribute to true
go ahead and set the fullyLoaded attribute to true.
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