Run the following command from the root folder of the cloned project to install all dependencies.
npm install
In order to verify that everything is setup correctly, run the following command, which should show you the failing tests. This is good! We'll be fixing these tests once we jump into the build step.
npm run test
Every time you want to check your work locally you can type that command, and it will report the status of every task in that module.
As you move through the modules, you can run module-specific tests with the script npm run test:module1, replacing the number with one that corresponds with the module you are working in.
In order to see your changes in a browser, you can run npm start from the command line. This will open a browser and you should see your landing page.
@external-script Open index.html and add a script tag that references the CreateJS on the CreateJS CDN. Also add a script tag for the app.js file.
@listen-domcontentloaded Open app.js and add an event lister to the document. Listen for the DOMContentLoaded event. The event handler should be an anonymous function.
@keycode-constants At the top of the event handler anonymous function. Declare 4 constants called KEYCODE_LEFT, KEYCODE_UP, KEYCODE_RIGHT, and KEYCODE_DOWN. Assign them the values 37, 38, 39 and 40 respectively.
@create-stage Below the key code constants assign a constant called stage a new createjs Stage. Make sure that you have the proper ID.
@shio-shape Below the stage constant, assign a Assign a constant called ship a new createjs Shape.
@draw-ship On the graphics layer of the ship shape draw a white ship with the following points (0, 0); (30, 15); (0, 30); (7.5, 15); (0, 0);
@ship-addchild Add the ship Shape to the stage.
@ticker-event-listener Using the createjs.Ticker object and the on method, register a handler for the "tick" event. The handler function should be and anonymous function that updates the stage.
@Ticker-fps Use createjs.Ticker object and setFPS() to set the frame per second to 30.
@keyboard-listener Listen for when a user presses a key down. The handler should be called be and anonymous function with an event argument.
@switch-statement Create a new switch statement and test the event.keyCode
@left-key Create a case for KEYCODE_LEFT that moves the ship left at the rate 15 pixels. Break out of this case.
@up-key Create a case for KEYCODE_UP that moves the ship up at the rate 15 pixels. Break out of this case.
@up-key Create a case for KEYCODE_RIGHT that moves the ship right at the rate 15 pixels. Break out of this case.
@down-key Create a case for KEYCODE_DOWN that moves the ship right at the rate 15 pixels. Break out of this case.