"JavaScript (sometimes abbreviated JS) is a prototype-based scripting language that is dynamic, weakly typed and has first-class functions. It is a multi-paradigm language, supporting object-oriented, imperative, and functional programming styles." From Wikipedia. ...
0
votes
1answer
94 views
Basic Use of ApplyImpulse
I am trying to apply a force to a bunch of b2_dynamicBodys, but it seems to only work for a random number of items and then stops with an error.
//create some items to move
bodyDef.type = ...
-1
votes
1answer
577 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 ...
7
votes
5answers
377 views
What implications does JIT (javascript/canvas) vs. AOT (Flash) have in terms of browser based game performance?
In my experience, even till this day, I still see more of a visual lag in entity movement / animation in JavaScript (Canvas) based games than I do in Flash based games.
Why is this - what exactly is ...
3
votes
3answers
584 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 ...
4
votes
2answers
173 views
Will setInterval give me Delay?
I am setting up a JavaScript Server for my Game.
Am I understanding this correctly:
If I use setInterval to call a function every second, and takes 2 seconds to process. Then I am going to "stack ...
2
votes
1answer
96 views
How to handle shoot instructions, in a multiplayer TD
I'm currently working on a Multiplayer Tower Defense game, using ImpactJS & Node. I seek some clarification about how to handle projectiles from towers, let me explain.
So the server is running ...
1
vote
1answer
446 views
javascript game loop and game update design
There is a main game loop in my program, which calls game update every frame. However, to make better animation and better control, there is a need to implement a function like updateEveryNFrames(n, ...
2
votes
1answer
146 views
Send less Server Data with “AFK”
I am working on a 2D (Realtime) MultiPlayer Game.
With Construct2 and a Socket.IO JavaScript Server.
Right now the code does not include the Array for each Player.
var io = ...
-4
votes
1answer
306 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
votes
1answer
1k views
HTML Javascript Hidden Object or Photo Hunt Game
Is anyone aware of any example photo hunt/hidden object games either in HTML and Javascript or flash if necessary? I am having trouble finding one, I may be using the wrong words to search.
Photo ...
-1
votes
1answer
312 views
Attach my sprite with Box2d [closed]
I'm coding Javascript(HTML5) with Box2D. And I want to ask how to attach Sprite with Box2D.
This is function My sprite:
function My_Sprite() {
this.m_Image = new Image();
this.m_Position = ...
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 ...
2
votes
1answer
451 views
Specifying force and angle in ApplyImpulse in box2d
I need to apply an impulse on a object with a particular force and at a particular angle in Box2d. If I am right the syntax would be the following:
body.GetBody().ApplyImpulse(new ...
2
votes
2answers
1k views
Rotate sphere in Javascript / three.js while moving along x/z plane
I have a sphere/ball in three.js which I want to "roll" around on the x/z plane. For the z axis I could simply do this no matter what the current x and y rotation is:
sphere.roll_z = ...
-2
votes
2answers
71 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 ...
1
vote
1answer
219 views
Recreating Doodle Jump in Canvas - Platforms spawning out of reach
I have started to recreate Doodle Jump in HTML using Canvas. Here's my current progress. As you can see, if you play it for a few seconds, some platforms will be out of the player's reach. I don't ...
1
vote
1answer
147 views
WebGL: Texture appears as black
I have a simple WebGL canvas, where I'm attempting to render a texture on a square. When working with textures as local files, all is fine. But when I try to load a texture from the web, I get a black ...
-2
votes
2answers
205 views
Should I use javascript to make a windows 8 game? [closed]
Windows 8 game development is designed mainly for C++ (which I don't know), but can be done in JS (which I do know). Is it worth it to learn C++ or should I continue with JS?
3
votes
1answer
135 views
Game based on Ajax polling for 12 players
I am planning on writing a small browser game.
The webserver is a shared server, with no root / install possible.
I want to use AJAX for client/server communication. There will be 12 players.
So ...
3
votes
2answers
2k views
Smooth animation on a persistently refreshing canvas
Yo everyone!
I have been working on an Isometric Tile Game Engine in HTML5/Canvas for a little while now and I have a complete working game. Earlier today I looked back over my code and thought: ...
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"- ...
0
votes
3answers
338 views
Can these game be fully coded in html5/javascript?
I mean the mechanics of the game. Would it be possible?
-Pokemon GBA series, rendering the world would be easy, but what about battle mechanics?
-MapleStory, after seen dragonbound.net which is an ...
-1
votes
1answer
105 views
Using copyrighted sprites [duplicate]
Possible Duplicate:
How closely can a game resemble another game without legal problems
I was thinking about making a pacman clone, I know there is a similar question here Using Copyrighted ...
0
votes
0answers
145 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 ...
4
votes
3answers
2k views
Open source level editor for HTML5 platform game?
A natty GUI editor is very helpful to create level map. I want to use some open-source choices rather than build my own from scratch. I found Tiled Map Editor but it doesn't work for what I want.
...
7
votes
1answer
481 views
Depth interpolation for z-buffer, with scanline
I have to write my own software 3d rasterizer, and so far I am able to project my 3d model made of triangles into 2d space:
I rotate, translate and project my points to get a 2d space representation ...
3
votes
3answers
226 views
Semi Fixed-timestep ported to javascript
In Gaffer's "Fix Your Timestep!" article, the author explains how to free your physics' loop from the paint one.
Here is the final code, written in C:
double t = 0.0;
const double dt = 0.01;
double ...
5
votes
1answer
439 views
Javascript Canvas Drawing Efficiency
I have just recently started some experiments with game development in Javascript/HTML5, and so far it has been going pretty well. I have a simple test scene running with some basic input handling, ...
-1
votes
1answer
378 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 ...
3
votes
2answers
3k views
HTML5 - check if font has loaded
At present I load my font for my game in with @font-face
For instance:
@font-face {
font-family: 'Orbitron';
src: url('res/orbitron-medium.ttf');
}
and then reference it throughout my JS ...
1
vote
0answers
56 views
How to work with edge Texture
Im not sure if i use the right terms, but im not able to find something to start with.
Im trying to develop a little HTML5 game. I have a ground with a texture and now I want to make a surrounding ...
2
votes
3answers
190 views
General directions on developing a server side control system for JS/Canvas Action RPG
Well, yesterday I asked on anti-cheat JS, and confirmed what I kind of already knew that it's just not possible.
Now I wanna measure roughly how hard it is to implement a server side checking that is ...
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 ...
-2
votes
1answer
339 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 ...
2
votes
1answer
459 views
Unity3d - setting gameobject position by percentage of view
I am having trouble finding a way to set a gameobject's position with regards to the screen size. I am building a 2d game that I will be putting on iPhone, iPad, and Android. I need to be able to set ...
4
votes
3answers
617 views
List of 3D libraries based on WebGL
Is there a up-to-date list of WebGL libraries or articals with comparison?
Until now I heard only tree.js and GLGE.
0
votes
3answers
205 views
Buffer System For Items
I am going to reference this image of what I want to accomplish in JavaScript.
This is the Diablo buffer system. This question may be a bit advanced (or possibly not even allowed). But I was ...
17
votes
5answers
3k views
Implementing features in an Entity System
After asking two questions on Entity Systems (1, 2), and reading some articles on them, I think that I understand them much better than before.
But, I still have some uncertainties, and mainly they ...
1
vote
1answer
839 views
Crafty.js multiplayer platform game, keeping players in sync
I'm using crafty.js to create a very simple platform game. It doesn't need to stop cheating, it's actually just seeing other players move around, and it doesn't need to have collision detection ...
-2
votes
1answer
225 views
Direction of the bullet - how to have something else than left, right, top, bottom
I'm making a simple shooter game using canvas and javascript. The current code can be seen here.
To know which way I want the bullet to be shot, I simply have a direction property that can have 4 ...
0
votes
2answers
1k views
How to handle 3D collisions using raycasting (with a reflection vector?)
I'm making a game using THREE.JS, and I want my character to walk on the terrain, and collide with static 3D objects (=AABB boxes) that are on that terrain.
The problem is: THREE.JS has only a ...
-4
votes
1answer
190 views
MasterMind Game Algorithm Problem [closed]
Please find below the code that I use to make a MasterMind like game.
For now people can see the PC selection so I can check if my algorithm works.
Further more colors are only as visual part and ...
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 ...
14
votes
7answers
3k views
How does one optimize an HTML5 Canvas and JavaScript web application for Mobile Safari?
I've created an HTML5 Canvas and JS game that runs great on a desktop or laptop in Chrome (30fps), but on mobile Safari I only get around 8 fps. Are there any simple tips or tricks to increase the ...
0
votes
2answers
475 views
Calculating angle between two vectors to steer towards a target
I have been trying to implement a path following steering behaviour for AI in a 2D racing game.
I have two vectors:
futurePosition represents the predicted future position given the car's current ...
0
votes
0answers
169 views
Most popular JS game engines (2d) [closed]
I'm trying to create my first JS/Canvas game and after looking around for a while on the internet, I found a LOT of JS libraries/engines/whatnot that help you in this task.
I was wondering what are ...
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 ...
0
votes
2answers
360 views
Platformer movement and collisions
I'm working on a platformer but I'm stuck at the player movement and collisions.
Right now I'm not including the grid at all in the movement, but it's time I do it. I've read this article on how to ...
2
votes
2answers
259 views
How can my “world” provide the information required to render itself?
I am writing a JavaScript game that provides a top down view of the player, to eventually create a ray caster that can render the view in faux 3D (the top down view will end up as the mini-map).
A ...
-1
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 ...
