HTML 5 refers to new web technologies such as high performance JavaScript engines, canvas 2D and WebGL, video and audio tags.

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1answer
397 views

HTML5 platformer collision detection problem

I'm working on a 2D platformer game, and I'm having a lot of trouble with collision detection. I've looked trough some tutorials, questions asked here and Stackoverflow, but I guess I'm just too dumb ...
0
votes
2answers
512 views

HTML5 - Does it have the power to handle a large 2D game with a huge world? [closed]

I have been using XNA game studio, but due to private reasons (as well as the ability to publish anywhere & my heavy interest in isogenic engine), I would like to switch to HTML5. However, I have ...
1
vote
1answer
206 views

Architectural advice - websockets javascript/php integration

Myself and a friend have started making a game, he's likely to be using impact.js for the user interaction etc, but we need multiplayer functionality so some form of websockets for TCP connections ...
0
votes
2answers
350 views

Animating sprites in HTML5 canvas

I'm creating a 2D platformer game with HTML5 canvas and javascript. I'm having a bit of a struggle with animations. Currently I animate by getting preloaded images from an array, and the code is ...
-5
votes
1answer
84 views

Mobile apps are separated into Three categories: Native, Hybrid and Web. What does Adobe air come under? [closed]

I don't mean a flash web app I mean a wrapped adobe air application. What is it?
3
votes
1answer
153 views

Is it possible to load local html pages into Gamemaker games?

I was just wondering if it would be possible somehow to load locally saved web pages into a game. My primary use for them would be as menus, helping to navigate between rooms. I know about the built ...
-2
votes
1answer
151 views

How do I set an event off when player is on certain tile?

Here is the code I use to create and print my map to the canvas: var board = []; function loadMap(map) { if (map == 1) { return [ ...
2
votes
2answers
188 views

Stop a rotating object at a specified angle?

I'm working in JavaScript with HTML5 and the canvas. I have an object which is rotating at a certain speed, and I need the object's rotation to slow down gradually and the front of the object to stop ...
1
vote
3answers
315 views

Issues with shooting in a HTML5 platformer game

I'm coding a 2D sidescroller using only JavaScript and HTML5 canvas, and in my game I have two problems with shooting: 1) Player shoots continous stream of bullets. I want that player can shoot only ...
2
votes
2answers
299 views

Help w/ iPad 1 performance for tile-based DOM Javascript game

I've made a 2D tile-based game with DOM/Javascript. For each level, the map data is loaded and parsed, then lots of tiles ( elements) are drawn onto a larger "map" element. The map is inside of a ...
0
votes
2answers
212 views

HTML5 as application for tablets?

I'm looking at creating a tablet application (iPad, Nexus, Surface...). I've heard it's possible to create it using HTML5 canvas. I was wondering if it was limited to canvas, if div/input/table can ...
0
votes
1answer
155 views

how to devise a scoring algorithm based on elapsed time and number of moves [closed]

I want to devise an score algo for my game. I want to award high scores to players who achieve the goal in minimum time and least number of moves. I did this but its not going correctly: var score = ...
5
votes
1answer
270 views

Jump handling and gravity

I'm new to game development and am looking for some help on improving my jump handling for a simple side scrolling game I've made. I would like to make the jump last longer if the key is held down ...
1
vote
1answer
112 views

Looking for a library to create a grid based first person game online

Before I go and build it myself, I have been looking for a library that may help making a grid based first person view similar to: https://www.youtube.com/watch?v=GwmZoCFd4Us I plan to make a web ...
2
votes
0answers
79 views

Converting obj data to CSS3D

I found a ton of formulae and what not, but 3D isn't my forte so I'm at a loss of what specifically to use. My goal is to convert the data in an 3D .obj file (vertices, normals, faces) to CSS3D ...
2
votes
1answer
350 views

Making a Photo Hunt Game using Javascript and HTML5 [closed]

I am looking for a way to make a photo hunt game using HTML5 and Javascript. Where should I start after the images. And How would I make clickable areas on the image, using javascript? If you know of ...
3
votes
4answers
633 views

What would be a good way to implement/render a 2D tiled map for a browser game?

I've made this little RPG Ruby game I did while learning and now I'd like to make it into a browser game. I've already set up Sinatra framework to serve it, so what I am looking for, before everything ...
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votes
1answer
575 views

2D Game Dev Resources/Tutorials for Windows (Phone) 8 Development? [closed]

I am really exited about the launch of windows 8, windows phone 8 so I decided to start learning how to develop games for them. I was even more exited when I found out that html, css, javascript can ...
3
votes
3answers
581 views

HTML5 game programming style [closed]

I am currently trying learn javascript in form of HTML5 games. Stuff that I've done so far isn't too fancy since I'm still a beginner. My biggest concern so far has been that I don't really know what ...
2
votes
1answer
193 views

Is there a way to use scala with html5?

I want to create a very simple 2d multiplayer browsergame in html5. Something like Scalatron I mainly want to do this to improve my scala skills, the problem is I would have to code the clientside ...
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votes
1answer
304 views

Smooth scrolling a staggered iso map [closed]

I got a staggered iso map that I want to be able to drag scroll with the mouse. I have it almost working but it is a bit glitchy, especially near the borders. Maybe you have an idea how to fix that. ...
1
vote
3answers
132 views

Protecting the integrity of a game state while minimizing amount of data sent

I'm developing a multiplayer game in PHP/jQuery, and naturally have to be wary of any sort of data coming from the client. At present, I have tables of data representing the map (2D roguelike), ...
5
votes
5answers
651 views

How do I protect sending scores from HTML5 games to my server

On backend I am using java. I have a game in HTML5; when user completes it I sends an Ajax call to save the score to database. Now, someone can easily use tools like Fiddler and firebug to modify this ...
0
votes
1answer
192 views

Box2dWeb positioning relative to HTML5 Canvas

I'm new with HTML5 canvas and Box2DWeb and I'm trying to make an Asteroids game. So far I think I'm doing okay, but one thing I'm struggling to comprehend is how positioning works in relation to the ...
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votes
2answers
70 views

canvas graphic output doesn't work [closed]

at the moment i'm developing a 3D-Vector-Coordinates-to-2D-Canvas-Calculation. the code is ready, the canvas too, but something doesn't work right... You can find my code at ...
0
votes
1answer
205 views

creating a simulation game, what type of knowledge is needed? [closed]

I am a beginner in game development. As a part of learning and fun, want to create a game in java-script and html5. I am planning a game that we were used to play in childhood, that is "new business"- ...
4
votes
3answers
367 views

Best practices on separating Update and Draw on game loop

I've been working on my first HTML5 prototype and I found a good model that uses the regular Update and Draw loop we see in game dev. My question is, where does one end and the other begins? The ...
2
votes
1answer
120 views

Repeat a part of spritesheet as background

So I'm trying to repeat a part of my spritesheet as a background (js, canvas). My code so far: var canvas = $("#board")[0], ctx = canvas.getContext("2d"), sprite = new Image(); ...
0
votes
0answers
144 views

Is there any existing (old) game that released graphic as free or open source? [closed]

I'd like to (re)create an online version (html5/JS) of some old game, for example something like HoM&M 2. Maybe, some of old games were released as free or open source (I'm interested in the ...
3
votes
2answers
496 views

How is an HTML5 game sold?

(I know this site doesn't give legal advice, but what I'm dealing here with isn't anything serious at all. Also, I apologize to JP for being annoying over this.) Someone found a game I made on the ...
4
votes
1answer
575 views

What's the difference between Canvas and WebGL?

I'm thinking about using CAAT as a part of a HTML5 game engine. One of it's features is the ability to render to Canvas and WebGL without changing anything in the client code. That is a good thing, ...
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votes
1answer
377 views

Javascript A* path finding ENEMY MOVEMENT in 3D environment [closed]

iam trying to implement pathfinding algorithm using PATHFINDING.JS in 3D world using webgl. iam have made a matrix of 200x200. and placed my enemy(swat) in it .iam confused in implmenting the ...
8
votes
2answers
2k views

Free movement in a tile-based isometric game

Is there a reasonable easy way to implement free movement in a tile-based isometric game? Meaning that the player wouldn't just instantly jump from one tile to another or not be "snapped" to the grid ...
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votes
1answer
336 views

How do I make a simple level system? [closed]

I've been learning programming for a while and things are slow but steady. I only have a couple experiments that look something like a game (JavaScript,HTML5,CANVAS). One of the things I would like to ...
-1
votes
3answers
164 views

Novice prototyping a massive multiplayer webpage based gaming system [closed]

I'm trying to build a website based game in which various pages of the site act as different areas of the game. I am wondering what you would recommended as a design structure. Which languages would ...
2
votes
0answers
303 views

What is wrong with my game loop/mechanic? [closed]

I'm currently working on a 2d sidescrolling game prototype in HTML5 canvas. My implementations so far include a sprite, vector, loop and ticker class/object. Which can be viewed here: ...
-3
votes
1answer
637 views

RPG game engine in javascript [closed]

I am trying to build an RPG using html5/javaScript. Can anyone point out a few game engines for developing RPG in javaScript
18
votes
6answers
2k views

Anti-cheat Javascript for browser/HTML5 game

I'm planning on venturing on making a single player action rpg in js/html5, and I'd like to prevent cheating. I don't need 100% protection, since it's not going to be a multiplayer game, but I want ...
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votes
1answer
75 views

Test your Mobile App's Code

I am new to game development in HTML5, and I would like to know how I can test my code out to see what I made with an IDE or something. Thanks!
3
votes
2answers
270 views

Is it possible create an HTML5 mobile game without the user having internet connection?

I trying to make a app for the Play Store and App Store. My app will be 2D, but will have 3D effects. Is it possible to program it in HTML5 without the user having internet connection? Also, are there ...
0
votes
2answers
609 views

Speed, delta time and movement

player.vx = scroll_speed * dt /* Update positions */ player.x += player.vx player.y += player.vy I have a delta time in miliseconds, and I was wondering how I can use it properly. I tried the ...
1
vote
4answers
1k views

How can I use WebGL to create a tile-based multi-layer scrolling platform game?

I've found WebGL (based on OpenGL) to be a fiendish and unforgiving framework for those learning to write HTML5-based games. Despite the presence of many examples on how to get started, I'm really ...
4
votes
1answer
516 views

Smooth drag scrolling of an Isometric map - Html5

I have implemented a basic Isometric tile engine that can be explored by dragging the map with the mouse. Please see the fiddle below and drag away: http://jsfiddle.net/kHydg/14/ The code broken ...
3
votes
1answer
375 views

Creating a frozen bubble clone [closed]

This photo illustrates the environment: http://i.imgur.com/V4wbp.png I'll shoot the cannon, it'll bounce off the wall and it's SUPPOSED to stick to the bubble. It does at pretty much every other ...
1
vote
2answers
112 views

Including sprite file for mobile games

I'm making a simple online RPG for Android & IOS using HTML5 & Phonegap and was wondering: should I include sprite file with the game for downloads (because of bandwidth)? What should I do ...
1
vote
1answer
357 views

Is Javascript ready for game development?

I'm hearing about the new HTML 5 features which allow graphics to be rendered, audio to be played, etc. My question is, does that mean Javascript is ready for a graphics intensive game, or is the ...
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votes
2answers
176 views

Dealing with new animations in html5

Wish I knew of a better title, but the issue is rather specific. So the producer of the game I'm working on has given me new animations to put in the game. I knew there might be issues right off when ...
4
votes
2answers
331 views

Where and how to promote an HTML5 game engine?

I've recently completed an engine, called Irenic. Now, I was wondering, how could one promote it? The process surely is different than promoting a game, because a game can be played by almost anyone, ...
2
votes
1answer
220 views

Detect mouse click on a bezier curve's neighborhood

I'm developing a game in HTML5 and JavaScript using Canvas API for drawing graphics. I want to detect if the user has clicked on a bezier curve which has the line width of 20 pixels (something like ...
4
votes
2answers
445 views

How to implement AI for fighting game

I built a 2D fighter yesterday. The second 'player' does hardly anything. Actually, nothing. To be honest, I have never made a game before that had an opponent like this. So my question is, how ...