"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. http://en.wikipedia.org/wiki/...

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1answer
81 views

TypeError: R[o5R.F6s] is not a function in changing states in phaser box2d

i build my game using phaser.2.4.3.min.js and phaser.2.2.2.box2d.min.js When trying to change states this error is being raised TypeError: R[o5R.F6s] is not a function and i can't seem to figure out ...
2
votes
1answer
1k views

How to remove a component of an object in a script?

I want to remove a Sphere Mesh Renderer component from a certain gameobject. I want to do this in a script. How do I do it? I do not want to destroy the sphere itself, just the component
0
votes
2answers
1k views

I need an object to move towards an moving object in Unity2D (javascript)

I am trying to make an AI that tries to move towards the player but I don't know how. I tried using Vector2.MoveTowards() but it just mimics my movements instead of moving towards the player. I tried ...
0
votes
1answer
107 views

How to get a Vector2 location of an object? (Unity2D javascript)

I need to make an "AI" that makes a ball try to touch the player. But Vector2.MoveTowards()needs a Vector2 variable but how do i get the location of an object?
0
votes
1answer
44 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.
2
votes
1answer
197 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
261 views

Calculate the slope of a 3D triangle?

I have lots of triangles in 3D space. How do I determine the slope/angle of these triangles with respect to a fixed ground plane? I need pseudo code examples at the very least. Thanks! [edit] Based ...
2
votes
1answer
818 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 ...
10
votes
1answer
317 views

How can I implement lights & shadows in a multi-layer 2d tilemap?

I am in the process of writing an isometric game from scratch, and I'd like to know how/if I can add lights and shadows. The code I have so far can be found here, but it should be enough to know that ...
1
vote
1answer
44 views

How can I create a parabola that does not use negative X coordinates

I am currently devloping my first javascript program ever which is a table tennis game. I am trying to create trajectory for the ball to follow when hit - just a very basic parabola. However im not ...
0
votes
1answer
183 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: <script&...
2
votes
1answer
284 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
131 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
180 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 ...
0
votes
0answers
109 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
70 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?.
3
votes
1answer
220 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
105 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", ...
-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, this.canvascanvas....
0
votes
1answer
28 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 ...
3
votes
3answers
299 views

Collectible card game, cards and effects

Based on Design of a turn-based game where actions have side-effects I am building a card-game where cards can have side-effects be triggered under different circumstances. I was given a good idea ...
2
votes
1answer
281 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
votes
1answer
275 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 ...
0
votes
2answers
299 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 acceleration....
1
vote
2answers
143 views

Why does player still leave map?

I'm making a simple HTML5 RPG in pure JavaScript likened after Nox, Diablo or Titan Quest, with the character centered on the screen and the map moving around it. TL;DR: My character, when colliding ...
0
votes
2answers
128 views

Rotate coordinates back after rotating game context (geometry)

To achieve something similar to the image below using HTML5 canvas one can simply write the following: var TO_RADIANS = 0.0174532925; context.translate(30, 20); context.rotate(30 * TO_RADIANS); ...
-3
votes
1answer
147 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
1answer
39 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); GetComponent<...
0
votes
2answers
166 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 ...
1
vote
2answers
578 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 ...
2
votes
0answers
177 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 ...
0
votes
1answer
60 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 =...
1
vote
0answers
203 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
96 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 ...
3
votes
1answer
152 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, ...
2
votes
1answer
55 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 |...
2
votes
3answers
240 views

How do I correctly make character sprite direction match player inputs?

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 ...
5
votes
1answer
299 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, ...
-1
votes
1answer
266 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
96 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 know ...
0
votes
2answers
5k 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 ...
1
vote
1answer
225 views

Unity3D WWW get HTML displayed in browser

I currently have in a web page, on a localhost server, some information that I want to use in Unity. My problem is that this information are stored in some js variables. I tried to use the WWW class ...
3
votes
1answer
396 views

Intellisense with PhaserJS Library in Visual Studio Code

I am trying to use Visual Studio code along with PhaserJS but am confused about why the isn't working. I've read through http://www.johnpapa.net/intellisense-witha-visual-studio-code/ am think I ...
0
votes
1answer
82 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 ...
2
votes
0answers
121 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
0answers
59 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 theorem....
1
vote
1answer
173 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, ...
0
votes
1answer
1k 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# ...
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,...