"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. ...

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2
votes
4answers
342 views

In PHP, how do I implement multiplayer “rooms” for a turn-based game?

I'm working on a multiplayer checkers game. I want to let players choose another connected player and invite him to play. I have a working game engine and rendering, but I'm stuck on the multiplayer ...
1
vote
3answers
146 views

Javascript 2D top down handling player direction graphics

In my top down game I can move the character around and the character will even face the direction he is moving however there is some weird behavior I'm having when you hold down one direction and ...
3
votes
2answers
369 views

Collision detection between draggable object and world objects?

I have a game I'm making in Javascript that will involve combining items by dragging and dropping them onto each other. Think Alchemy or similar. So far, so good, but I hit a snag while trying to ...
1
vote
2answers
50 views

Help with Javascript touch button

I tried many buttons but I can't connect them with the (Java)Script. So I made 2 gui buttons: one for jump which was easy because I have an if statement and if it's true then jump. But I have ...
0
votes
2answers
63 views

How to make the character cannot pass through other randomly moving objects when they are collided?

As the title above, how can i make my random wallImg solid enough so that my birdImg cannot pass through it from any sides of the wallImg? Here's the code of Processing's Crappy Bird that i've altered ...
0
votes
2answers
133 views

Saving data in the local computer with cocos2d-js

Making a game with cocos2d-js, is there a reliable way to create saved data in my local computer? I see that there is cc.sys.localStorage but it is removed if the user clears the browser's cache or ...
3
votes
1answer
58 views

PhysicsJS on mobile devices: how to optimize for speed

I'm (physics n00b) developing a small animation (gamification) in a mobile HTML5 app (PhysicsJS, HTML5, Cordova, Ionic, JavaScript). This animation is derived from Basket of verlet constraints. This ...
3
votes
1answer
78 views

Call a native mobile API in Construct 2?

It is possible to use mobile api features in a Construct 2 game (html 5 / js engine) ? I didn't find anything about that on the net, unlike anothers game frameworks like Corona Entreprise or ...
3
votes
1answer
295 views

Shadows in html5 canvas game

I'd like to ask for reference. I met an article about how to cast shadows in games. I'm using html5 canvas (currently without webgl) with javascript for my projects. The article mentioned above is ...
2
votes
1answer
115 views

How should I store dynamic game entities for efficient area-based selection?

In my 2d block-based game I'm trying to implement a data structure that would store entities entities in a way that's capable of: Direct selection based on coordinate. Iteration Iteration limited ...
2
votes
1answer
135 views

Centering camera on player div

I've been making a roguelike-style game in HTML5 without using canvas (only divs) with pure JS (fiddle!). I've been trying to enlarge the tile size (font size) while keeping the player centered within ...
1
vote
1answer
26 views

Color Based Collision Javascript (Cocos2d-js)

Im looking to make an isometric game...so my partner designed the isometric map (jpg image) along with the map objects (png) on adobe ilustrator... so the thing is i would like to set the player path ...
1
vote
1answer
204 views

Create a WebGL native plugin

I am trying to create a WebGL plugin and I read in the docs here: http://docs.unity3d.com/Manual/webgl-interactingwithbrowserscripting.html But I'm not sure I understand. I created a file in ...
1
vote
1answer
125 views

Drawing/adding shape objects with the mouse on html canvas

I've started with the canvas paint tutorial from link which worked fine with a few problems that can be fixed later. I've been checking a lot of posts on drawing shapes on the canvas but they all use ...
1
vote
1answer
131 views

How can zoom into my object when that object is being clicked?

Suppose that I have the three game(cube,Quard,sphere) object. When I click on a particular game object suppose think I have clicked on the cube,the cube object should get zoomed in on the screen. how ...
1
vote
1answer
217 views

Separation of axis theorem implementation at normals

This might be more of a math question, but it relates to the development of a simple physics engine I am trying to create. I have been stumped on this for about a week now, and have been unable to ...
0
votes
1answer
37 views

How do I sync the gameobjects to server in C# unity?

I have been working on Game that consists of 10 Game Objects that have to be sync by the server values. The server decides that which game object will win and then sends command to my side(Client ...
0
votes
1answer
61 views

How do I use delta-times to determine the speed of a frame-by-frame animation?

I have a character spritesheet with 8 images. How do I animate it? At the moment, the sprite changes to a different image every frame, which makes the animation speed vary with framerate. I have a ...
0
votes
1answer
40 views

Image drawing then blackscreen on AVD using cordova

I have an issue on my android JS based game, the game displays well for 1 second then total blackscreen. window.requestAnimFrame = (function(){ return window.requestAnimationFrame || ...
0
votes
1answer
571 views

How to use Cocos2dJS to connect to a Socket.IO server?

How can I connect to a nodejs socket.io server from a cocos2djs game? I've google all the way to no avail. I tried this but it does not work: socket = io.connect('http://192.168.254.102:7714'); if ( ...
0
votes
1answer
237 views

How can you merge the geometries of cloned objects in Three.JS?

So I'm testing the best non-voxel way to display a lot of objects at once and so I found how to merge geometries. Now, I can easily merge most geometries, but I can't seem to merge the geometries of ...
0
votes
1answer
159 views

Resizing a tiledmap when using phaser

var cw = window.innerWidth; var ch = window.innerHeight; var game = new Phaser.Game(cw, ch, Phaser.AUTO, 'game', { preload: preload, create: create, update: update }); ...
-1
votes
1answer
166 views

How to use custom font in Phaser ?

I am trying to load webfont in Phaser, I have seen the Phaser example but I cant understand, what asset do I need,what function I have to call....,what exactly look like the javascript file?. I am new ...
-1
votes
1answer
666 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 ...
-2
votes
1answer
106 views

How to make a stab function?

I've looked around everywhere, and I can't find an example script for a stab. What I have so far is a top down 2D scene, with a player at the bottom (static). I would like to have the sword/tongue to ...
0
votes
0answers
49 views

Fix latency when sending state

I have a multiplayer game done with Phaser, which runs in the browser and on a node.js server. The server is authoritative, every 50ms or so it sends the game state object to all clients. The clients ...
0
votes
0answers
362 views

making Circle button in phaser

im trying to make a circle button with tap event i used hitArea property from sprite class and using pixi Circle class i did that this.sprite = game.add.sprite(50,50,"cursors"); ...
0
votes
0answers
178 views

Insert 3d text to the front face of a cube GameObject

I want to add a text to a cube in Unity. I have a cube which has a 3d text as a child. I am using the below javascript to write on the 3d text: #pragma strict function Start () { } var countdown : ...
0
votes
0answers
98 views

Google Developer Console Error message

i received my first crash report of on Google Developer Console yesterday and im completely lost. Did anyone receive this error before and how can i go about fixing it? Any help would be greatly ...
0
votes
0answers
117 views

Drawing a object with Box2D and HTML5 canvas on current mouse position

I'm attempting to create a air hockey type game with HTML5 canvas and JavaScript, using Box2dWeb for the physics calculation. I need a way to draw the puck at the current mouse x and y position every ...
0
votes
0answers
264 views

Picking tiles in an isometric diamond map

I am rendering a isometric map with the following code: for(var x = 0; x < MAP_WIDTH; x++) { this.map[x] = []; for (var y = 0; y < MAP_HEIGHT; y++) { var screenX = ...
0
votes
0answers
144 views

Shifting the camera and setting a new scene when using Box2D

My jsFiddle: // START -- MOVE CAMERA var p = new b2Vec2(); p = (ball.body.GetWorldCenter().x) * physics.scale; pos.push(p); var length = pos.length; var s = (pos[length - 1] - pos[length - 2]); //in ...
0
votes
0answers
73 views

HTML5 Canvas: Get rect coords after rotation (relative to screen)

update: function(delta) { for (var i = 0; i < this.bullets.length; i++) { this.bullets[i].velocity = this.bullets[i].speed * delta; this.bullets[i].contextX += ...
0
votes
0answers
384 views

JavaScript 3D space ship rotation

I am working with a fairly low-level JavaScript 3D API (not Three.js) which uses euler angles for rotation. In most cases, euler angles work quite well for doing things like aligning buildings, ...