"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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0
votes
3answers
219 views

timezone independant Date.now() for node.js game

I have a game I'm working on using node.js and socket.io. The issue I'm having, is I'm trying to have it so that players execute whatever actions they inputed about 50ms in the future, giving everyone ...
1
vote
0answers
296 views

Retrieving JSON return value from function and parsing in Construct 2

I would like to know how to parse a JSON object and parse each value into either an array, or something that I can use to set values of several global variables in my project file. I want to avoid ...
-1
votes
2answers
417 views

Control sprite animation speed using Create JS

How can I control the animation speed of a sprite using create JS? When you press right and left, the sprite will run through the frames... I'd like to leave the fps at 60, but alter how fast the ...
0
votes
1answer
189 views

“Painting” elements in html5 canvas

I'm making a game in coffeescript (although for the sake of this problem that's probably not all that relevant) and html5's canvas. It's a game that involves a paint cannon, that fires circular ...
1
vote
2answers
145 views

What ways are there for making vector types available in scripting?

I use Google V8 engine to embed Javascript into my game for scripting. As interface to my native code, I already registered some C++ functions to the scripting context. In the native code, I make ...
3
votes
1answer
317 views

Web single player 2d top-down RPG - background image, sprites, and new level loading

I'm making a web single player 2D top-down rpg using JavaScript (create js library) and have a couple questions. For the background image, I've currently loaded a 1000x1000 bitmap to represent the ...
1
vote
2answers
191 views

Bullet entry Point around Player Object

I have a player rotating by the mouse and want the bullets line up with the player's gun. Right now they simply come from the point of the player and shoot in the direction of mouse. I just need the ...
2
votes
4answers
533 views

Play audio in javascript with a good performance

I'm developing a browser game where the player can shoot. Everytime he shoots it play a sound. Currently i'm using this code to play sounds in JavaScript: var audio = ...
1
vote
2answers
478 views

How can I create and animate 2D skeletons for HTML5 Javascript games? [closed]

I'm trying to make a 2D fighting game in HTML5(somewhat like street fighter). So basically there are two players, one AI and one Human. The players need to have animations for the body movements. ...
2
votes
1answer
132 views

How to determine where on a path my object will be at a given point in time?

I have map and an obj that is meant to move from start to end in X amount of time. The movements are all straight lines, as curves are beyond my ability at the moment. So I am trying to get the ...
1
vote
2answers
199 views

Movement on Multiplayer Games

I'm developing a JavaScript Multiplayer Game (Using NodeJS and Socket.IO). The problem I'm having is, on a Player's movement, the Event with the X and Y positions is sent to the server and then to all ...
2
votes
3answers
450 views

How do I represent walls in a 2D tile based map?

I'm trying to create a simple 3D(2D) Dungeon Crawler but I am going to be using simple flat images to show the user they are in a "3D" world. Now what I mean is something like Sword and Serpents on ...
1
vote
2answers
176 views

Make perfect constant game animation using javascript

I tried different ways to make constant animations using JavaScript and HTML. The problem is that they are never perfect. If I want to move a square exactly 5 pixels every 50 miliseconds I would use ...
4
votes
3answers
379 views

Determining the end location for AI movement in groups in a 2D RTS

I have written an RTS game (a demo for a game engine of sorts, actually) in which the user's basic interaction with the game is to select a bunch of soldiers and then right-click on the map to move ...
1
vote
2answers
954 views

Pass parameters from html page to start() function in unity3D webplayer application

I want to pass a parameter from web browser to Unity3D web player as soon as it is loaded. I know that, as soon as the web-player is loaded, the start() function is execute inside web-player. So I ...
0
votes
0answers
129 views

Browser resize and orientation change in cocos2d html5

I'm currently starting a new project with cocos2d-html5. But I already stumbled upon quite a problem. If I load my game in a mobile browser and change the device orientation e.g. from portrait to ...
0
votes
0answers
31 views

How can I get url variables in unity flash? [duplicate]

I recently looked into getting url variables in unity webplayer, I got the full url including parameters form javascript and parsed it in C#, but now in flash I cant call javascript, so how can I get ...
0
votes
1answer
237 views

Node.js/V8 as a Platform for High End Local PC Game Development?

As a Web/UI dev rapidly expanding into more wide-open generalist territory, the more I learn about how its done in other languages, the more I love JS for architectural and basic ...
5
votes
1answer
174 views

Walking on a sphere

I'm working on a game which involves walking your character on the surface of a sphere. Using the answer to Arbitrary Rotation about a Sphere, I've written my code as: if (game.isKeyDown(37)) { // ...
-2
votes
1answer
1k views

How to create a text-based game? [closed]

I would like to create a text-based game. As simple as that. I have some understanding of the coding that needs to go into it as I do know a fair amount of JavaScript and I can do it in the ...
0
votes
1answer
2k views

Javascript game to Phonegap for android game?

me and a friend of mine are in the process of building a javascrip/HTML5 game and I'm running into a few questions about the process of using converting it to an android game. I plan on using Phone ...
3
votes
1answer
283 views

Multilayer game HTML5 canvas

I've have a problem with HTML5 canvas and using multiple layers. I'm using 3 layers. The first layer is where the player and the collision base objects are. And the second and the third layer have ...
2
votes
1answer
268 views

Box2D: Asteroids-Like Spaceship Physics

I'm new to Box2D (JavaScript) (and the world of physics/mathematics) so I'm having a hard time working out the methods I need to use to make a spaceship act like it does in the classic arcade game ...
5
votes
2answers
434 views

Is using multiple canvas objects a good practice?

We're developing a jump and run game with HTML5 and JavaScript and have to build an own game framework for this. Here we have some difficulties and would like to ask you for some advice: We have a ...
0
votes
1answer
132 views

Rotate 2d sprite towards pointer

I'm using Crafty.js and am trying to point a sprite towards the mouse pointer. I have a function for getting the degree between two points and I'm pretty sure it works mathematically (I have it under ...
0
votes
1answer
496 views

Character movement on a 2D tile map

I'm working at making a HTML5 game. Top down, closest thing I can equate it to is the gameboy zeldas, but open world and no rooms. What I have so far is a procedurally generated map in a multi ...
3
votes
4answers
348 views

How do I write a simple 2-player server?

I've recently started learning JavaScript and HTML and developed simple 2-player game such as tick-tack-toe, battleship, and dots & boxes. However, these 2P games can only be played on one ...
10
votes
1answer
344 views

How to make sure a game can be completed

I'm not sure what the correct term for what I'm looking for is described, so apologies if this is a duplicate question. But is there a term/algorithm for making sure a game is "completable" with ...
1
vote
1answer
180 views

How to use/apply class inheritance in Enchant.js

You're developing a game using Enchant.js and you just need an Enemy class which multiple enemy classes derive from and every enemy has its own sprite and stuff.
10
votes
2answers
499 views

How do I make good guy attacks only hit bad guys and vice versa?

My game has many different type of good guys and many different type of bad guys. They will all be firing projectiles at each other but I don't want any accidental collateral damage to occur for ...
0
votes
1answer
556 views

Three.js camera rotation and behavior

I'm just getting into Three.js and the camera is causing some problems. Basically, I want to implement spectator-like movement controls, so that I can move around freely in the scene. The problem is ...
1
vote
3answers
127 views

Generating spritesheet(s) on load

I would like to reduce the size of the spritesheet I am loading by only loading the specific sprites I need. Is there a way to crop and splice images at runtime using javascript? Creating separate ...
1
vote
2answers
222 views

Optimize DOM game performance

I am working on a game developed on DOM using Crafty JS framework, and Greensock GSAP JS (http://www.greensock.com/gsap-js/) for animations. It is my first time working with these technologies. I am ...
0
votes
1answer
182 views

How to implement tile enemies behavior? [closed]

I'm having a difficult time to understand , how to implement the behavior of an enemy in a tile based game, movement attack behavior per enemy level ( higher level enemies should be hard to kill) ...
2
votes
3answers
331 views

How to get the center of a rotated rectangle regardless of point of rotation

I need help working out the centre coordinate of a rotated rectangle regardless of the point of rotation (i.e. the rectangle doesn't rotate around its center). I do not know the coordinates of the ...
1
vote
1answer
141 views

How good do I have to be at Math to create a 3D game using three.js? [closed]

A question I've often had, how good at Math do I need to be to create 3 dimensional games? I get along with 2d games just fine. I understand everything I'm doing without problems after practise. ...
1
vote
3answers
95 views

Move from point a, to point b, and determine the accuracy

Let's say I have a circle at point a (0,0), and I wish to move it to point b (23,58), whatever, how can I accurately do this with a speed variation if I wanted. (I'm doing this in javascript). Every ...
0
votes
1answer
641 views

Can't Build Cocos2Dx emscripten project

I need to port a Cocos2D-x project to Web (JS+HTML5). I'm trying to compile cocos2D-x samples using the emscripten project for cocos2d-x, and I've followed this tutorial ...
4
votes
1answer
345 views

Mixing Javascript with C++ for mobile development?

I have a few games for the iPhone, Android, and Windows 8 that I built using native C++. This works great but is really limiting when I try to create menus and start screens. I have read about rapid ...
-2
votes
1answer
59 views

Error returning a value from a function? [closed]

It tells me the error is on this line: this.srcX = ShipSrcXPicker(type); However I cannot see it? I am returning the values from these methods that are being called? Is there something I am missing? ...
0
votes
2answers
147 views

Physics for space game [duplicate]

I am making a space game where you fly a ship. I am trying to work out the physics for such a game and so far came up with: var thrust; //between 1 & 100 how much the engines are pushing var ...
0
votes
1answer
138 views

Play .mp3 with Craftyjs

I want to play .mp3 sound files in a game I built with Crafty.js. Is this possible without converting the sound file?
1
vote
1answer
648 views

animating roulette ball

I'm trying to achieve something like netent's roulette (which is a great product in my opinion). It's going to be implemented in html5. I wonder which path should I take to have such a great ...
1
vote
2answers
351 views

Converting hexagon grid coordinate system

As I have been building on a RTS game based on hexagon grid built in javascript. I stumbled across a problem regarding the coordinate system. Have been trying to implement a A-star system to find ...
1
vote
1answer
710 views

Get MonoBehaviour components from Prefab

I need to assign the script values for the following Prefab in Unity 3.5 The structure is the following Kinect_Prefab -MonoBehaviour ·Script: Missing Mono Script -MonoBehaviour ...
0
votes
1answer
157 views

Tips on building a real time multi player web platform + framework and/or tookit

I'm trying to develop a multi player game web app which basically should be able to achieve the following goals: Provide a game engine + framework/toolkit to let third party corporation integrate ...
3
votes
1answer
425 views

How can I place my Enchant.js game into a DIV in a fully-designed web site?

Following the Enchant.js tutorial I cannot find a way to define the place the game is rendered in the page. It either takes the maximum possible area or limits itself to the given size (using ...
4
votes
5answers
822 views

Implementing vector based movement in a 2d environment

Good evening. I apologize if the title is a bit vague, I really could not come up with anything better. I am currently reading a book called the nature of code and as a side project, I am working on ...
0
votes
0answers
108 views

How to integrate Javascript into C# and run scriptcode step by step

We are currently working on a Pokemon MMO trying to figure out how to implement an asynchronous scripting language the best. We don't want to work with threads or tasks, but the goal was to wait for ...
0
votes
0answers
58 views

Collision detection issue on 2D game engine with isometric game graphics [duplicate]

Let me first show you an example of issue so you'll see the problem. http://i.imgur.com/dTxJIN7.jpg The player object has red colored collision borders. Since I'm using an 2D engine, his head ...