"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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1answer
39 views

How to use rigitbody2d.AddTorque() in JavaScript? (unity2D)

I just want to know how to use rigitbody2d.AddTorque() and an example script would be great :D. I am trying to rotate a cube forever using it as a test.
0
votes
2answers
259 views

Calculating pitch angle to hit a target using a projectile that has fixed speed

I am trying to calculate a vertical angle needed to hit a target at [distance, elevation] 2D coordinates relative to shooter given a fixed projectile velocity, air drag and gravitational ...
2
votes
1answer
598 views

JS Canvas - Creating 2D Game lighting effect like Terraria

I just started working with canvas in HTML5 and with javascript. I'm pretty satisfied with my game so far: http://xenopal.dk/game-v1.1/. But I'd like to implement lighting as well in the style of ...
0
votes
1answer
150 views

How do I make the background color fade into a different color after hovering it? [closed]

I was trying to make the starter inputs for my text rpg change the background color in a fade effect with JQuery, but I cant figure out what i did wrong. Heres the part im focusing on: ...
2
votes
1answer
214 views

Animations with individual images in Phaser.js

So I have this game that I made a while back and I want to port it using Phaser. The game is made using individual PNG files for all the animation frames, and there are over 100 of them. From ...
1
vote
2answers
124 views

Using hard coded values for Items?

Is it a bad idea to use hard coded values for things like items (static data) that would change infrequently in an online game? I'm designing an online game in node js, and I'm trying to decide if it ...
1
vote
1answer
221 views

cocos2d-js displays only one type of tile from a tmx file

I am using Tiled to produce a tmx which I use in my code using cocos2d-js. The problem is that when I run it on the browser, a wrong tile gets displayed, the first one of the image (0,0) and repeats ...
4
votes
2answers
3k views

How can I apply a glow filter in Phaser?

I'm trying to get the following effect, but as far as I know, a filter is the only sensible way. Imagine some objects and background, and a fire ball passing through. The fireball glows. All objects ...
5
votes
3answers
540 views

How to do a genetic algorithm's chromosome which controls movements

First I would like to inform you that I'm french and 15 so my english is not very good. I've read some articles about genetic algorithms (GA) and since I discovered the HTML5's canvas element, I can ...
0
votes
0answers
94 views

Using EaselJS, my spritesheet-based map is not showing up

I have a random map that generates based on a level and a set of Tile ID's, constructed using a Height Map generator I wrote using the BitmapData extension. I've confirmed that the Tile IDs are ...
0
votes
1answer
97 views

What is the best way to manage 'state' in Phaser?

I have heard that this is not the best way to manage state in phaser var game = new Phaser.Game(800, 600, Phaser.CANVAS,'YourGameName'); game.state.add("Boot", Boot); game.state.add("Preload", ...
3
votes
1answer
194 views

Creating HTML5 Canvas Objects in Javascript [closed]

I'm currently trying to learn how to make HTML5 Canvas games with JavaScript. I would like to use object oriented JavaScript to manage the elements of the game, but i'm having trouble. I've done a lot ...
0
votes
1answer
64 views

How do I combine two HTML levels? [closed]

If I have two levels that I have made separate in HTML5 how may I combine them so one comes after another?.
-2
votes
1answer
58 views

How do I clear the previous frames of a canvas animation?

I am trying to rotate an object, but all the previous frames still show up on the canvas. Here is my code. This didn't work: this.ctx.clearRect(0, 0, this.canvas.canvasWidth, ...
0
votes
1answer
26 views

How do I store game data with cookies?

Im working on a game right now, but I was wondering how I would store the game data in cookies(in javascript) where you can load it up, and resume the last spot you were at. I was looking at some ...
0
votes
1answer
748 views

Creating looping canvas animation (slot machine with reels)

I have a small assignment to create something like slot machine with spinning pictures. I have to use HTML5 Canvas. I would like to hear some opinions how this can be made simply and performantly. ...
1
vote
2answers
446 views

which state to add main menu for simple browser game with phaser

In which state should I add the main menu, or should i make it into another separate state? My main confusion here is how I manipulate states properly. Im a phaser/gamedev noob and I dont know how to ...
3
votes
1answer
7k views

HTML5 - Dynamic canvas grid for scrolling a big map

I've been working on different scrolling algorithms for my JS-based game. My main problem is that I need to draw a huge map and also have it scroll smoothly. I've made a few attempts and while they're ...
0
votes
2answers
157 views

How do i make an idle-styled counter in Javascript & HTML

I just started making a basic game in HTML, CSS, Javascript, and JQuery, but I want to have the money add up after a certain amount of time (if you have ever played an idle game, you'd know what i ...
4
votes
1answer
339 views

How to do monster AI movement and attacks server side?

I have my web based rpg game already created. Inventory management, equipment system, character stats, skill tree, and etc. It's almost complete. For the game world, I am creating a top-down rpg ...
-3
votes
1answer
144 views

handling wars in multiplayer browser game [closed]

I'm building a browser game about countries, cities, the user control his city, building it upgrading it, can fight other cities in the same country, elections and war between countries, peace, trade ...
0
votes
0answers
20 views

How to play the falling animation while using a Twoway component?

I am new to crafty and I was trying to write a simple platformer using Crafty.js. Here's what I've got var player = Crafty.e("2D, DOM, SpriteAnimation, PlayerSprite, Gravity, Collision,Twoway") ...
0
votes
0answers
74 views

UV texture mapping with perspective correction works for 50%

So, I've been trying to get the UV texture mapping down with perspective correction. The triangle rasterization seems to work. The interpolation seems to work too. It's just the perspective ...
2
votes
0answers
110 views

how to detect if a line is crossing another shape in javascript?

given the situation here http://jsfiddle.net/h902cLpy/ is it possible to detect that a line going from A to B does cross another shape while A to C doesn't?
1
vote
2answers
497 views

Applicaton.ExternalEval(String script)

I was wondering, if Application.ExternalEval(String script); in Unity3D can return something. Like:String playerName = Application.ExternalEval("prompt("Please enter your name", "player1")"); Thank ...
0
votes
1answer
35 views

Error BCE0043,BCE0044 and UCE001 [closed]

I got my code right here: #pragma strict var hSliderValue : float = 0.0; function OnGUI(){ hSliderValue = GUI.HorizontalSlider (Rect (25, 25, 100, 30),hSliderValue, 00, 1.0); ...
1
vote
0answers
143 views

Implementing Separating Axis Theorem to Detect and Handle Sliding Collisions

I am having a bit of difficulty detecting collisions properly with separating axis theorem. My code seems to be giving a lot of false alarms. Also, I've looked into implementing sliding collisions ...
1
vote
2answers
733 views

Omni-directional light shadow mapping with cubemaps in WebGL

First of all I must say, that I have read a lot of posts describing an usage of cubemaps, but I'm still confused about how to use them. My goal is to achieve a simple omni-directional (point) light ...
0
votes
1answer
58 views

2D movement issues

So I'm making a isometric game in javascript, so far it goes well. But I have some problems when a object it suppose to walk from point A to B. Item.prototype.update = function(delta){ var speed ...
3
votes
1answer
131 views

Client interpolation for 100% serverside game

I'm developing an online browser MMO 2d war game. And I'm having some issues with the interpolation. The server sends updated positions to the clients every 90 ms. I've managed to make it smooth, ...
1
vote
0answers
179 views

touch mouseOver in createjs - DispatchEvent() not working in iPhone/iOS

I have recently developed an html5 game using createjs and I am currently in the testing phase. The game seems to work fine in all the devices except for the iPhone. After careful analysis I have come ...
1
vote
0answers
90 views

Diagonal movement behaving strangely when other key is pressed

I'm following the tutorial at http://blog.sklambert.com/html5-canvas-game-the-player-ship/. I'm at the part where bullets get added to the game. Prior to this in the section about movement where I ...
0
votes
1answer
299 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 ...
2
votes
1answer
51 views

Platformer Collision in javascript

Hi im making a platformer in javascript and this is the collision function that I have if(obj2.y > obj1.y + obj1.height || obj2.y + obj2.height < obj1.y|| obj2.x > obj1.x + obj1.width ...
5
votes
1answer
283 views

Roguelike 2D Collision Detection

I'm just a normal guy trying to do some basic collision detection but I suck at it. I either get stuck in a wall or I go in reverse in the wrong direction trying to update the player position to a non ...
-1
votes
1answer
37 views

Java-script map/array “undefined” [closed]

Hi when I call the the function below in the chrome console it tells me "Type error cannot read property '2' of undefined" why?. defining the map: var map = { FALL:[ [0, 0, 0, 0, 0, 0, 0, 0, 0, ...
3
votes
3answers
998 views

Unity Raycast shoots right through some objects

I made a melee combat system for my game. The code looks like this: var hit:RaycastHit; if(Physics.Raycast(transform.position,transform.forward,hit)) { if(hit.distance<=2.0) { ...
0
votes
0answers
109 views

Android client-server logic for a multi-player game

I'm creating an android "quiz" app. The game can be played by two user in real-time. I'm creating game on server with this design: //node js server //new game request api @game/request/new var ...
-1
votes
1answer
198 views

Adding obstacles & collision to canvas game

I am trying to add some obstacles to the canvas game that I've got but something seems to be wrong and I can't seem to put my finger on it. I just want some simple walls here and there to make the ...
4
votes
1answer
95 views

Cram search results into viewport (of a search minimap)?

I'm no coder, nor do I try to be. I just had one of those "it's impossible" arguments with folks who love to argue with me before they even understand what the argument is about :) So I need to ...
0
votes
2answers
4k views

Rotate an object smoothly by 90 degrees on key press in unity3D

[I saw few similar question on stackexchange but none is solving the purpose.] I want to rotate a 3D object by 90 degrees on different axis on respective inputs. For example if 'a' is pressed, the ...
0
votes
1answer
79 views

is this approach correct to make my game framerate indipendent in javascript?

this is what i did my game loop is run every REFRESH milliseconds loop = setInterval(tick,REFRESH); in the loop i calculate how much time is passed since last tick and subdivide that for how much ...
3
votes
4answers
573 views

How to enter a level when touching an object

I am working on a project in Unity 4.6.1f1 and I was wondering how can I make a cube touch another cube to go to the next level (the image below)? ! EDIT: I made a script and put it on the purple ...
1
vote
1answer
163 views

svg spaceship game movement 2d

I've been searching for a way to make an svg box move to all directions using js. I have seen many tutorials on how to do it grid like, but I want it so have a square that can turn, move forward, ...
1
vote
0answers
52 views

Need help in getting sequential impulse method working

i have made a very very simple physics system based on sequential impulse method - with single contacts only and no angular rotation at all. Contact points are calculated using separating axis ...
0
votes
1answer
980 views

Unity 5: Accessing a C# variable from Javascript

I've set up a SQLite database with Unity. Into this I would like to add the current CPU Utilisation. The SQLite scripts are in Javascript and the method for finding the CPU utilisation is in a C# ...
-1
votes
1answer
63 views

If object is bellow another object… do something [closed]

I have 2 objects in scene. When pillar is bellow target, pillar object needs to animate. I get this error: "NullReferenceException: Object reference not set to an instance of an object". var pillar : ...
0
votes
1answer
145 views

Move camera from wherever camera is to pinned point

So, I need to switch/ move/ animate camera from point X (not point A,as I don't know where the camera is at that momemnt) to point B (place where you want your camera to move). This is for ...
0
votes
0answers
42 views

Phaserjs, filters, save to image cache

I've tried to apply a Pixi filter to a image and save it to cache but the image doesn't get saved with the filter. colorMatrix = new PIXI.ColorMatrixFilter(); colorMatrix.matrix = [0,0.0,0.5,-0.2, ...
0
votes
1answer
66 views

Rectangles clear each other when moving on canvas

I am having this problem after moving rectangles, they seem to delete one another. Most probably it is a problem with clearRect(...) method. This is the clean function I am using: clean: ...