"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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3
votes
1answer
5k 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 ...
-1
votes
2answers
60 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 ...
0
votes
0answers
13 views

How To Make ModPE Perform Function The First Time Mod Opened

I am making a Minecraft PE mod and I want to set a variable only on the first launch of the mod. So, how do I make it it set the variable and then not set it again until I import the mod again. ...
3
votes
1answer
184 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
80 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
9 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
21 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
1answer
80 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
80 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
19 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
39 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
490 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
48 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 ...
2
votes
1answer
71 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, ...
0
votes
0answers
41 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
48 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
110 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
42 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 ...
3
votes
1answer
194 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
24 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, ...
2
votes
3answers
534 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
66 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
63 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
79 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
496 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
0answers
69 views

Basic mmo client/server relationship. Is my approach correct? [closed]

Lately a friend and I have been thinking about making an mmo after we finish highschool and while I have more than some programming experience I have never before made anything like an mmo so two days ...
1
vote
0answers
48 views

How do I add scripting logic to my dialogue tree? [closed]

I'm creating 2D RPG game and I want to implement branching dialogue system which can also change player stats, add items and so on. Also I want to implement conditions for some answers so player ...
0
votes
0answers
35 views

cocos2d-x : set search path not working

im using cocos2d-x javascript and i tried to set search path or asset for multi resolution devices like so in main.js file if (cc.sys.isNative) { // if game is native assetsPath = ...
2
votes
0answers
55 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
66 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
291 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
75 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
20 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
234 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
129 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
59 views

JavaScript; Chunking an Array/Map

I'm creating a game using Pixi.js and have decided that the best way to present a map is to "chunk" it in to 16x16 tile sections and render each when needed - I'm having a bit of trouble parsing an ...
0
votes
0answers
34 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
38 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: ...
8
votes
4answers
781 views

How do I implement branching dialogue in javascript?

I'm making a very basic visual novel type of game in JavaScript. I'm a beginner, so I'm just doing this for fun and learning, and due to bad planning I have run into a bit of a problem when you get to ...
0
votes
0answers
75 views

Convert Cocos2d-x JS Sprite to PhysicsSprite?

I have a Cocos Studio project that has a node that contain multiple sprites. I am loading this node and iterating through the children (each are a cc.Sprite object); I'd like to convert each ...
0
votes
1answer
27 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
0answers
121 views

Implementing wall-sliding physics in THREE.js

Yo, Basically I want to make a 3D environment where the player can walk around a 3D world, and collides with objects / terrain like any other 3rd person / 1st person game. The world can contain any ...
1
vote
0answers
38 views

Collision callbacks in a javascript engine [closed]

I'm making a game engine in javascript for Educational purpose. I already have the collision detection and collision response parts and are working fine, but i want to let the user define his action ...
7
votes
3answers
6k 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
vote
1answer
255 views

Cocos2D-JS Windows App in fullscreen mode (Win32)

I've been looking for a way to make my Cocos2D-JS app go into fullscreen mode, but there doesn't seem to be much documentation on Cocos2D-JS (or Cocos2D-x-js as some seem to call it.) This app is to ...
1
vote
3answers
79 views

How to handle transparent pixels in a spritesheet

I am trying to correctly handle transparent pixels. I have a spritesheet that gave me the following: The green body is the ground physics body and the gray body around the sprite is the sprite's ...
-2
votes
1answer
84 views

Unity skips menu screen and goes to next scene

I am using Unity 4.6.1 and I am working on a game project. I created a JS script with Application.LoadLevel to go to the next scene. Here is my code for OnGUI: function OnGUI () { { ...
0
votes
1answer
51 views

Randomised Path from A to B for cursor movement simulation

I'm trying to simulate the movement of the mousecursor, by creating a path from point A to B that has random variation. The algorithm I'm using at the moment is very basic, and is limited in that ...
0
votes
1answer
99 views

Help with scoring system and score multiplier

I am new to the scripting world and I am currently trying to add a score multiplier to the game code I am working on. Right now the score is set to increase as the player runs across the level however ...