"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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3
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1answer
18 views

Calculating the poly vertices based on the result of Connected Component Labeling

I am making a tile based game. And now I can find all the connected area using the Connected Component Labeling algorithm. But now the problem I am having is how to calculate the poly vertices of ...
3
votes
1answer
103 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
100 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 Cocos2d....
3
votes
1answer
171 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 ...
2
votes
1answer
192 views

JavaScript 2D liquid flow

Brand new to games/graphics and I'm attempting to find a method to create a 2D liquid effect with JavaScript. Ideally I could adjust the viscosity and flow from a gas/fog effect to oil and between. ...
2
votes
1answer
91 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 ...
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 ...
1
vote
1answer
30 views

Rotated Sprites collision detection

I am trying to implement checkCollision function in my game, I used AABB method but the problem is that my sprites are rotated so it's not really precise. I could finely describe my Sprites with ...
1
vote
1answer
62 views

Bouncing from any object after collision JavaScript

I'm trying to make a ball bounce off some obstacles after a bounding box + pixel by pixel collision. Somehow, sometimes the ball is not going in the direction it is supposed to be. If the ball is ...
1
vote
1answer
43 views

How add a PIXI container into a Phaser Game?

How add a PIXI container into a Phaser Game? I have a game made ONLY with PIXI. but now i would like to port it to a Phaser. All my game content happens inside a pixi container "screenContainer". ...
1
vote
1answer
64 views

Hybrid App - Game Encyclopedia Image Asset

An in-game encyclopedia usually consists of entries and images for things related to the game. For example, pokemon's pokedex. Image of Pokemon, text description and so on. I've happen to encounter a ...
1
vote
1answer
178 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
31 views

Collision event callback on p2js not working

So, I'm making a simple game on Phaser where a ball object and bullet group collide with each other, incrementing a score variable whenever this happens. I already set up the collision groups and are ...
0
votes
0answers
29 views

Create a character from multiple sprites

I have multiple spritesheets for a character in my game. The user can decide which gender, which hair, which haircolor he wants. Some images have to be on a higher layer than others (hair > head > ...
0
votes
0answers
29 views

Camera movement on a sphere, and how to look while doing it

I am trying to make some kind of pointerlocked walking simulator that involves movement of the camera on the inside of a sphere. I've looked at Walking on a sphere, but that solution fights what I'm ...
0
votes
0answers
42 views

Multiplayer Keeping the Client and Server Updates in Sync?

I am working on a Multiplayer Game, I have a client loop which can run at 30-60fps. Inside of that Loop I check whether the players left mouse is down. If it is, send a shoot command to the server. On ...
0
votes
0answers
11 views

Clicking an entity with transformation

I am trying to understand how best to implement a click detection function in a 2d JavaScript game. I can demonstrate using a simple example of two square 'entities' which can be selected when ...
0
votes
0answers
32 views

Why are my components empty in my Entity-Component Model Javascript/Phaser implementation?

I'm developing a game in JavaScript using the Phaser framework, I'm trying to implement the entity component model so that all my objects can be Entities, so far I've got an Array of entities that ...
0
votes
0answers
14 views

Phaser P2 RevoluteConstraint motor not working

The following code produces a flipper and four balls that seem to interact as they should. They all collide with each other and the game world bounds. The problem is that the motor isn't working, nor ...
0
votes
0answers
35 views

Access Unity Webgl output from browser and vice versa

I receive a package of Unity webgl and put that into a course in Wordpress. The index.html produced form Unity is accessed inside an iframe there. This must be able to count user click when accessing ...
0
votes
0answers
28 views

Movement prediction on client

Im pretty new to game development. Currently I try to predict the movement of the player on the client. But my client and my server are calculating different values. Im using a delta time for the ...
0
votes
0answers
47 views

Chrome Canvas bug on Mac OS X when switching spaces?

I have a simple Breakout clone created using the <canvas> element and the 2d context. Whilst playing the game in Google Chrome (version: 49.0.2623.87 (64-bit)) if I switch spaces within Mac OS ...
0
votes
0answers
34 views

Circular motion

I'm working on a to-scale simulation of the Solar System with HTML5 Canvas but a problem appeared which I am unable to solve. All the astronomical objects I've added have a point-of-reference (i.e. ...
0
votes
0answers
12 views

Adding calls to an Entities update function

So I am trying to add a property to my entity function then in order for it to update I need to call it within the entity's update function so this is how I create the entity var sprite = ...
0
votes
0answers
22 views

JavaScript — Unity Movement Bug

Hello fellow programmers ! I have been working on a game lately and It's going pretty good. Today I decided to make a new car for it since it's a racing game. When I was modelling the car I ...
0
votes
0answers
45 views

storing hexagon-based (x/y) movements in a database

Im developing a hex(agon)-grid based game. The game is turn-based. Players move stuff on the map and they need to be allowed to issue movement-orders. Units move a certain amount of movement-points ...
0
votes
0answers
87 views

Using canvas graphics instead of traditional sprites in phaser

I'm trying to learn Phaser (total beginner with mild JS experience) and I'm following tutorials and such where everything is using sprites. I'm trying to get by with basic canvas shapes instead of ...
0
votes
0answers
34 views

Circle velocities stay the same after elastic 2D collision

I am following this paper in trying to create elastic 2D collisions among two circles. The problem is that my end velocities are the same as my start velocities. I've looked over my code and don't see ...
0
votes
0answers
82 views

How to get the angle an object is travelling at

I'm trying to figure out how to get the angle an object is moving at, but have ran into a few problems. My player object is moved by rotating the entity left and right by using the left and right ...
0
votes
0answers
54 views

How to get the absolute position of the sprite in the renderview regardless of the pos of PIXI.Container?

I implementing panning on an infinite platforming game I developing but this is messing up with my current setup and structure of the game world (collisions, player location, etc.). Though I figured ...
0
votes
0answers
85 views

Tweening back from arbitrary 3D rotation in javascript

I'm using a 3D javascript library to rotate the vertex of a 3D object with a classic 3x3 matrix, to an arbitrary angle in the 3D space, as depicted in the image below. For example, a first ...
0
votes
0answers
34 views

Canvas - Cache large curves

Is there any way to cache large curves in javascript or a faster way than the native? I'm already caching scalable shapes, and it gives really huge performance benefits. They only get redrawn if they ...
0
votes
0answers
48 views

How to disable LockTexture for new level in unity?

i am building a game consist of 8 level. I use the following script to switch next level. But when i unlock a level the Lock Texture still remain in the window. I want to remove the lock texture when ...
0
votes
0answers
74 views

How do I use Bezier Curves in unity?

I have to rotate few objects on an ellepsoidal(Capsule shaped) track and at the run time speeds are assigned to the objects from the server as this is a betting game which I am developing in Unity 5 ...
0
votes
0answers
91 views

How do I rotate an object on iTween path on a curved track in Unity 5?

I have 10 objects which I have to make run on an ellipsoidal track for which I am using iTween PutOnPath. The objects are running on the track but as the curved track comes the objects do not rotate ...
0
votes
0answers
50 views

Input management with context mapping for javascript game (I need a boilerplate code sample)

I have been working on an entity component system latelly and now it is time to add input management into the mix. I have read through a few tutorials about input management and as far as I understand ...
0
votes
0answers
134 views

How do I change iTween values at runtime?

I am trying to figure out how to run and change the speed of rotation on an iTween path at runtime. I'm trying to code it in Unity5 in C#. I have to rotate a few objects on an iTween path which I have ...
0
votes
0answers
94 views

How do I Make an object run along with the the rectangular circle shaped path using iTween in unity 5?

Actually I have to rotate an object using iTween or usnig any other stuff if u know. Its like a betting game which I have to manage at run time. As I have been working on this game and have used ...
0
votes
0answers
27 views

How can I give rotation angle to an object running on iTween Unity5?

I have to rotate an object around a circular track which is a rectangular circle so for that I am using iTween and it is running perfect but the object does not change its own rotation just only runs ...
0
votes
0answers
17 views

How do I handle or manage commands which are sent by server in unity?

In my game there are 10 objects which are just started running on play as this is a web player game and betting as well and it requires some socket programming. At run time the commands are sent by ...
0
votes
0answers
107 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
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,...
0
votes
0answers
63 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
499 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"); this.sprite....
0
votes
0answers
274 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
115 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
128 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
145 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
426 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, ...
-4
votes
0answers
50 views

Isometric social games. Click to tile

In the Social Isometric Games book, page 53, there is a description of the method, that defines a title using mouse cursor coordinates. It works well, but it is not clear what principles are used to ...