1/6/2024 0 Comments Web game ui browser![]() Use these to modify the texts on the UI Valid element names include "#txtCommandDiv", "#location" Use these two to turn features on and off during play You can use it to access the other built-in JavaScript functions (and your own too), and there are several that can be used to change the UI. JS.addText is used by both OutputTextRaw and OutputTextRawNoBr, which are in turn used by OutputTextRaw and OutputTextRawNoBr respectively, and OutputTextRaw is in turn used by msg and PrintCentred, so everything you print to screen uses JS.addText. Quest has an addText method on the JS object which simply adds the given text to the web page at a certain point, i.e., at the end of the existing output text. The JS object is a quick way to use JavaSript in your game. ![]() Getting information back from the web page is something else again. Quest has a JavaScript object, called JS, and we can use that to dynamically change the web page that the player is looking at. Quest also uses a JavaScript extension called jQuery, which is a set of functions that gets downloaded with the original page. The way JavaScript communicates with a web server if called AJAX. ![]() The JavaScript collects and processes the user clicking on the compass or whatever, it takes input from the command bar, it communicates with the web player on the Quest server, and it updates the web page being displayed as most text is output. Without JavaScript, you would have a static page. JavaScript is also used in Quest, which, even when playing off-line, uses a web browser interface. Most interactive web pages use JavaScript to make stuff happen on them.īy the way, JavaScript is not the same as Java! JavaScript is a programming language built into most web browsers. When a player accesses your game they send an HTTP request, the Quest web player sends back an HTTP response the user interface, with no output on it. Both of these are just a string of characters, a file in effect (and often the response actually is a file on the server). When you access a web page, such as this one, your browser sends a message, an HTTP request, to a server, which sends an HTTP response. The principles are the same, but playing on-line nicely separates the two parts. To do that it is best to focus on the web player. To really get to grips with the UI you have to understand how it is represented in the computer. That said, we can make a lot of changes without knowing too much about any of them. In practice, this is not always trivial and at least some knowledge of HTML, CSS, JavaScript and JQuery are vital for the more advanced features. Potentially this means you can set up your game to look like anything. Even the desktop version has a built-in browser (Chrome as it happens), and what the player sees is just the same as any other web page on the internet.
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