"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
0answers
50 views
How to dump the dom in Qt Script?
Good afternoon,
I’ve connected the Qt (4.8) script engine up within my application.
I’m still learning how to make my application accessible from scripts.
I’d like to debug it by enumerating ...
1
vote
2answers
414 views
How to make an infinite map
I was wondering if someone could explain to me how to implement a seemingly dynamic infinite map like the one at http://wordsquared.com/
My main issue is really generating new tiles in any direction ...
-1
votes
2answers
220 views
Remove enemy when bullet hits enemy
For my education I have to make a basic game in HTML5 canvas. The game is a shooter game. When you can move left -> right and space is shoot. When I shoot the bullets will move up. The enemy moves ...
2
votes
1answer
120 views
mat3x4 in webGL shaders
I am porting the IQM bone animation format to Javascript and have run into a problem...
The vertex shader is failing to compile and the only error message I get out is 'mat3x4' : syntax error on the ...
-5
votes
4answers
368 views
A* mouse movement javascript top-down game
Im trying to implement a* path finding for my character movement in my game.
The game is written in javaScript along with jQuery in a canvas.
I have read up on A* so i believe i understand what it ...
-1
votes
1answer
616 views
How to make background to stage in kineticjs
var stage = new Kinetic.Stage({
container: 'container',
width: 490,
height: 300,
});
var layer = new Kinetic.Layer();
I want to make a default image to a stage to be the ...
-3
votes
1answer
337 views
LimeJS vs CreateJS for game development [closed]
happy 2013... I want to start developing HTML5/JS games this year, and i see this 2 frameworks LimeJS and CreateJS & EaselJS. Wich one is better? Anyone have experience with these 2 frameworks? ...
-1
votes
1answer
489 views
Framework to build scrollable map with item selection in JavaScript?
I need a mobile device to be able to scroll a large, static map image, and also be able to select PNG image "objects", like this:
What would be the simplest method? HTML5, jQuery, Sencha Touch, or ...
-4
votes
2answers
159 views
enemy shooting towards FPS [closed]
WELL first of all I want you to see my game (its deployed on heroku cloud) :
http://still-escarpment-3701.herokuapp.com
(It takes almost 10 sec to load so please wait for couple of sec)
I have ...
-1
votes
2answers
165 views
problem with bullets shooting in FPS game
Please check out my game here: http://still-escarpment-3701.herokuapp.com
The problem is with shooting. The bullets keep on moving with the First person controller instead of moving from the same ...
1
vote
0answers
276 views
shader-based particle systems
I have a classic particle system where each particle is represented by a quad and, each time step, I move each particle.
My target is webGL which means I don't have instancing, attribute divisors nor ...
0
votes
1answer
351 views
How does JavaScript fare as a game scripting language? [closed]
I'm currently looking into scripting languages that might be usable for games. JavaScript appears to be a good choice to me - from what I can tell, it has a small core, very large community, great ...
21
votes
3answers
5k views
Double buffering on HTML5 Canvas game?
My simple canvas game seems to work fine on Chrome and FF on Mac/Linux. I haven't had chance to test it on smart phones or Windows environments yet. It doesn't use double buffering but I have seen ...
0
votes
2answers
153 views
Unity - Code is fine in the editor, has error on android
Right. Im running into some weird issue with android unity. I have this bit of code
function OnTriggerStay (other : Collider)
{
if(die.GetComponent(DieScript).sideUp ==6 ...
0
votes
1answer
402 views
3d js map rendering
In the past I've done a 2D tile map using HTML, CSS and Javascript. Now I have the task of creating a 3D version using the same technologies - think of it like a space map where all planets have x/y/z ...
6
votes
1answer
310 views
How to create 2D shadows
Could help about creating lighting and shadows in a 2D environment, like the image below.
http://i.stack.imgur.com/0FEQz.gif
I did several searches but got no results
( ps: sorry my bad english i'm ...
0
votes
0answers
195 views
Am I doing this node.js game loop wrong?
I have 2 arrays of JSON objects, actions and game objects.
At any time a user can make a request from the client which can add an action to the actions array.
I have a setInterval(function(){ }, ...
0
votes
2answers
54 views
In an asynchronous server environment where player input and timed events modify data is using an in-memory array problematic?
So let's say I have a server running on node.js, and there is an array of player objects...
At an interval, all of these player objects are looped and processed for events and changes that are based ...
31
votes
2answers
2k views
In a browser, is it best to use one huge spritesheet or many (10000) different PNG's?
I'm creating a game in jQuery, where I use about 10000 32x32 tiles. Until now, I have been using them all separately (no sprite sheet). An average map uses about 2000 tiles (sometimes re-used PNG's ...
7
votes
3answers
3k views
Binding C++ and V8 Javascript from Google
The examples are quite challenging to grasp if you are still getting your head around other things, so the simplest example would be great.
Is there a simpler example?
-1
votes
1answer
193 views
Drawing polygons in 3D
I have recently been working on a 3D engine from scratch, using JavaScript and HTML5. I've successfully created lines (although slightly buggy) and points, but I can't figure out faces. My current ...
0
votes
0answers
138 views
Swept sphere to line segment intersection in 2D
How can you determine when a moving sphere intersects a line segment, and the normal of that intersection?
Ideally Javascript, but anything that's tidy, simple and self-contained and easy to port to ...
2
votes
0answers
459 views
HTML5/JS - Choppy Game Loop
I have been experimenting with HTML5/JS, trying to create a simple game when I hit a wall. My choice of game loop is too choppy to be actually of any use in a game.
I'm trying for a fixed time step ...
3
votes
3answers
703 views
HTML5 Canvas Game Timer
How to create good timer for HTML5 Canvas games?
I am using RequestAnimationFrame( http://paulirish.com/2011/requestanimationframe-for-smart-animating/ )
But object's move too fast.
Something like ...
-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 [
...
-1
votes
1answer
405 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 ...
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();
...
3
votes
4answers
647 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 ...
1
vote
1answer
133 views
Adapting Javascript game for mobile
I'm currently developing a Javascript web game for desktop users. It is a sort of tower-defense game that relies on mouse input only, developed on canvas using EaselJS. In the future, or perhaps ...
-1
votes
1answer
190 views
Camera game 2d Javascript using box2d
I'm cloningg, i'm doing camera 2d in angry bird game using javascript html5 game and box2d.js .
I'm using context.translate(x,y) to move canvas, but i meet an error like this : many image
of birds ...
1
vote
1answer
209 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 ...
4
votes
1answer
262 views
Glenn Fiedler's fixed timestep with fake threads
I've implemented Glenn Fiedler's Fix Your Timestep! quite a few times in single-threaded games.
Now I'm facing a different situation: I'm trying to do this in JavaScript. I know JS is ...
4
votes
1answer
88 views
How to detect whether an Object came to sleep at a specific position?
I'm currently writing a small game with box2dweb and I need some direction for this: I'm throwing a Box and have to hit a specific place and trigger an event when the object that's been thrown isn't ...
0
votes
1answer
76 views
Questions for QueryAABB
I'm currently having trouble getting my head around QueryAABB, and hope to find some answers here.
The LowerBound of an AABB the upper-left corner (and vice versa). Why is that and what idea is ...
2
votes
1answer
843 views
HTML5 point and click adventure game code structure with CreateJS
I'm a programming beginner.
I made a tiny one scene point and click adventure game to try to understand simple game logic and came up with this:
CreateJS features prototypes for creating bitmap ...
0
votes
2answers
213 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 ...
2
votes
2answers
300 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 ...
15
votes
7answers
521 views
Do I need a Point and a Vector object? Or just using a Vector object to represent a Point is ok?
Structuring the components of an engine that I am developing along with a friend (learning purposes), I came to this doubt.
Initially we had a Point constructor, like the following:
var Point = ...
1
vote
3answers
198 views
OOP implementation of BUFFS and Stats. Suggestion
I am developing an MMORPG server using NodeJS.
I am not sure how to implement Buffs, i mean, equipped objects or used skills have effects on the Player() which has many Stats(), some of them have a ...
2
votes
2answers
189 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
319 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 ...
3
votes
5answers
529 views
2D Collision detection for Pinball Game
So far in previous games I have used simple 2D collision with boxes then checking at pixel level for a collision.
If making a pinball game in nearly a lot of frames the ball will be in contact with a ...
0
votes
1answer
156 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 = ...
2
votes
2answers
301 views
Making an interactive 2D map
So recently I have been working on a Legend of Zelda: A Link to the Past clone, and I am wondering how I could handle certain map interactions (like cutting grass, lifting rocks, etc).
The way I am ...
7
votes
1answer
147 views
Javascript keyDown - no event approach
I'm making game in JavaScript. I have canvas for drawings and game loop. I'd like to make method readKeyboard, in game loop, to check if there is any pressed key. I don't want to attach event to ...
4
votes
2answers
408 views
UV texture mapping with perspective correct interpolation
I am working on a software rasterizer for educational purposes and I am having issues with the texturing.
The problem is, only one face of the cube gets correctly textured. The rest are stretched ...
5
votes
1answer
275 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 ...
2
votes
1answer
354 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 ...
9
votes
8answers
11k views
What are some good jquery/javascript game engines?
So I have decided to try a bit of javascript/html5 game development (worked with XNA/Unity so far). Wondering if anyone had any suggestions. I am currently looking at impact, gameQuery and Jaws.
...
3
votes
2answers
3k views
Box2dWeb and Images
How do I import and attach a PNG or GIF to a shape in Box2dWeb?
The best resource I could find online is at:
http://www.jeremyhubble.com/box2d.html
However, this "tutorial" doesn't give much ...
