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How to make a simple HTML5 Canvas game - Lost Decade Games

How to make a simple HTML5 Canvas game - Lost Decade Games
You want a quick tutorial for making a SIMPLE game in HTML5? Let's walk through a SIMPLE game practically line-by-line! (If you're curious about my credentials, I made half of A Wizard's Lizard.) Let's jump right in by walking through game.js. You can also play the game right here. Screenshot 1. // Create the canvas var canvas = document.createElement("canvas"); var ctx = canvas.getContext("2d"); canvas.width = 512; canvas.height = 480; document.body.appendChild(canvas); The first thing we need to do is create a canvas element. 2. // Background image var bgReady = false; var bgImage = new Image(); bgImage.onload = function () { bgReady = true; }; bgImage.src = "images/background.png"; A game needs graphics, so let's load up some images! We do this for each of the three graphics we need: background, hero, and monster. 3. 4. Now for input handling. To accomplish this we simply have a variable keysDown which stores any event's keyCode. 5. 6. 7. 8. See also the Onslaught! 9. 10. Congraulations!

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