"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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0answers
26 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 ...
1
vote
2answers
21 views

Object is moving more than it should

I have the following code for Food: exports.Food = function(x, y) { this.MOVE_X_FROM_POSITION = 10; this.ACCELERATION = 0.05 this.image; this.firstX = x; this.firstY = y; this.x = x; this.y = y; this....
-1
votes
0answers
20 views

How do you understand Unity3d Scripting errors? [on hold]

So there are these things in Unity called "Compiler Errors" which is a message you get if you have an error on a JS or C# script, it would also "Give you an explanation" to what's wrong with it, I ...
0
votes
0answers
9 views

Jerky mouse follow JS/HTML5/canvas

Can someone please advise. I am trying to create a simple mouse follow program, all is fine aside from when the mouse is moved too frequently, the movement is really jerky. Can anyone help? I am ...
0
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0answers
19 views

Creating new browser multiplayer game

I decided to make an browser-based multiplayer game with huge armies. So far in a year i have created an army editor, where you can create armies, place then anywhere, set several moving targets and ...
1
vote
1answer
60 views

What's wrong with my animation trigger script?

So I am making an RPG and I am setting up the player. I am trying to trigger an attack animation by pressing a button. I wrote this down and I get an error that says "Expressions in statements must ...
1
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0answers
23 views

how to replace vertex buffer in webGL

I want to replace a vertex buffer with another completely different vertex buffer, different size and values, it will not get replaced every frame. gl.deleteBuffer(vertexBuffer); vertexBuffer = gl....
-1
votes
1answer
46 views

What does this code mean? [closed]

I got some code from here http://www.williammalone.com/articles/create-html5-canvas-javascript-game-character/1/ Everything is quite understandable, everything working well. However, I don't ...
0
votes
0answers
21 views

Jumping on meshes in Babylon.js

So I want to make it possible for players to jump on objects (meshes) that are somewhat lower than the players camera. I have set the checkCollisions to true but i can't seem to jump on any objects (...
-4
votes
1answer
31 views

Stuck with matching problem

i am making a game in Javascript called bubble shooting and this is a time based game the bubbles will spawn on the top of screen and will travel to bottom and i am stuck in bubble spawning because i ...
1
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2answers
72 views

How to make Pong ai paddle?

I'm trying to make an ai so the paddles will move to position before the ball reaches it. I'm currently using RobotJS to move the mouse. I'm not sure how to extrapolate the position so that the mouse ...
0
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0answers
31 views

Drawing strings with a fabric texture in Javascript - possible?

Am exploring ways to programmatically generate string arts (sort of like these physical examples: https://goo.gl/d2Gyeg) in the browser. Any gurus out there that can help guide this exploration down a ...
2
votes
2answers
35 views

Handling input through callbacks or through game loop?

I've tried to figure out how to handle player input properly, but without luck so far. As far as I have figured out, I can either: Call the respective methods directly through the callback fired ...
0
votes
0answers
26 views

p2 collision not working after state change

i have 2 objects GAME.ball Game.stick both have two bodies and i have two scene first scene GAME.ball = game.add.sprite(x,y,key) game.physics.p2.enable(GAME.ball, true); GAME.ball.body.dynamic = ...
0
votes
1answer
24 views

How to draw and give functions to multiple things at once?

I'm using plain JavaScript and I've bee coding a hardcore platformer game. I want there to be multiple enemies at once and before I write up the code I have a question. How do i approach that? Do I ...
0
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0answers
24 views

Floor casting in a Raycasting engine

I'm trying to create a pseudo 3D, raycasting engine with plain JavaScript rendered on the HTML5 canvas. In short: a Wolfenstein 3D clone. So far I have gained inspiration from the following guides: ...
0
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0answers
9 views

ThreeJs camera angles

I'm trying to build a 3D editor for my game. What I'm trying to achieve is an IDE similar to the most part of 3D modeling softwares (Blender, 3D Max, Maya, etc) where you can choose the camera angle ...
0
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0answers
40 views

Multiplayer game server sync

I am building a 2d multiplayer game with no physics and my own authoritative server. Already have all players getting synced each with other but their movement isn't so smooth yet. Here is the ...
0
votes
1answer
30 views

How to make Pong Ball Control?

I want to know how can I make the control of the Pong Ball in Plain Javascript. I would like to know how to make the ball faster when it hits the edges just like the original pong game, or how if the ...
0
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0answers
23 views

In JavaScript, Should every object have its own draw method? [duplicate]

Up until now, whenever i make a game in JavaScript I had been giving each prototype its own draw Method. I used this paradigm because giving every method a draw method allows for simple interaction ...
0
votes
1answer
81 views

Why does the player jump every time it touches the ground in my JavaScript game?

I am making a javascript game where the player jumps over oncoming cars, but after the first jump every time the player hits the ground they jump again automatically. I believe the problem is because ...
0
votes
1answer
42 views

How to calculate a simple swivel rotation? (no physics engine)

Assuming i know the geometry and the rotation angle of a cart, how can i calculate the rotation angle of a swiveling wheel? To get the rotation angle of the wheel, i tried by calculating the ...
0
votes
0answers
51 views

Collision detection not working for JavaScript Game

I'm working on a JavaScript game called Spacecraft which is minecraft 2d style. The problem is that my collision detection is not working. It works for a all the divs but the ones with the class of ...
0
votes
1answer
36 views

js canvas tiled map - for loop, while, or matrix

I am making a top-down view tiled map in canvas, where player is always in the middle of the screen, and map scrolls depending on where you go, like in moba games. I also want it to loop infinitely in ...
0
votes
1answer
84 views

Game loop with fixed timestep gives strange result

So I've read the famous article at http://www.koonsolo.com/news/dewitters-gameloop/comment-page-2/#comments which describes different methods of implementing a game loop. I've tried to implement the ...
0
votes
1answer
15 views

How to include a new file js in a project cocos2d js?

I'm trying to include a new js file containing a new scene on a cocos2d js project, but every time try occurs the following error: Uncaught ReferenceError: GameScene is not defined. I included ...
0
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1answer
36 views

Sync bullets node.js phaser.io

i am currently having a struggle thinking about syncing bullets. I am using node js and phaser.io and I am creating top-down shooter. I would do it like this: Player shoots a bullet. Player ...
0
votes
1answer
44 views

How to move 2D objects based on mouse movement with pointer locking?

I'm using pointer locking for a 2D game (where you perform calculations based on the delta in mouse positions from frame to frame). I'm having some basic math/logic issues with accomplishing what I ...
0
votes
0answers
20 views

Event handling for moving components in an HTML/JS game

I have developed a working prototype of an arkenoid-kind of game using plain HTML/JS/CSS3. I am using the DOM to display game elements. The whole game is infact contained inside a table element. Table ...
0
votes
1answer
48 views

Make a person walk faster when standing on plane/panel in Unity?

Is it possible to make a person walk faster when standing on plane/panel in Unity without writing a lot of code? If so how? I am using the standard asset first person movement prefab.
1
vote
1answer
83 views

Targeting logic for 100.000 units army

I am making an army fight for my website armyfight. There can be fights of hundreds of thousands units. I am looking for better unit targeting. in jsfiddle is an example. var enemy = { 2: { ...
1
vote
1answer
54 views

Simulating elastic ball collisions quickly escalates to disaster

I'm trying to learn HTML canvas and was working on a basic physical simulation, where a number of balls are drawn and set in motion, and the program simulates them colliding and bouncing off the walls ...
0
votes
1answer
51 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 ...
0
votes
0answers
46 views

Errors in code examples from the book “Advanced Game Design with HTML5 and JavaScript”

I have purchased Advanced Game Design with HTML5 and JavaScript and have started going through the chapters. I notice that after chapter 2 I get code errors and the source code from the downloads ...
1
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0answers
74 views

Pixel by pixel collision detection pinball

I'm currently working on a Pinball game using the HTML5 Canvas and JavaScript. Right now I'm getting a hard time with the pixel by pixel collision, which is fundamental because of the flippers. Right ...
3
votes
1answer
59 views

SDD Inverse Kinematics with constraints

I have a question regarding my quest on onderstanding IK solvers. After viewing this movie on YouTube: https://www.youtube.com/watch?v=MvuO9ZHGr6k I started recreating it with JavaScript. Just 2d on ...
0
votes
0answers
20 views

Emscripten / webgl lazy rendering?

I compiled existing opengl es 2.0 code to webgl using emscripten. In the desktop version there is lazy rendering mechanism that only renders when required which is basically just saying invalidate ...
0
votes
1answer
32 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". ...
0
votes
1answer
84 views

Why do my trees share the same health?

My trees keep on falling at the same time and I am not sure why! I am new to Unity3D javascript. Here is my script: #pragma strict //INTS var health = 5; //GAMEOBJECTS var tree : ...
0
votes
1answer
26 views

design / data structures

I'm working on a game which I'm writing in Javascript and then porting to iOS/Android via phonegap/cordova. For the most part, I understand how to code and how to get what I want to happen, BUT I ...
0
votes
0answers
19 views

add physics to a group or container body in phaser

I'm developing a HTML5 Phaser game. In this game I do have a Group which I would like to behavior as a physics body (arcade-physics). It is a character with a lot of moving parts (sprites) inside ...
0
votes
0answers
30 views

NodeJS timed update approach

My game has users building buildings, recruiting units, trading resources and sending attacks. All of this functionality takes a certain amount of time to happen and I'd like help with deciding on the ...
0
votes
0answers
21 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 > ...
1
vote
2answers
58 views

Maths ? coordinates rotating around coordinates

could you geave me a tip please, a redirection to what is the "simple" math I need to learn and understand for the rotation of an object (its coordinate x, y) around an other object (an other x, y), I ...
0
votes
1answer
28 views

Webgl, weird rendering with sprite that has alpha

So I have a webgl application where I render all kinds of objects, but in this specific example, I have two shaders. One that renders sprites and one that renders colored polygons. In this example I ...
1
vote
2answers
93 views

Canvas slowly degrades in performance after a while

I was creating a simple game and was shocked to see how the performance started to degrade. It never happened to me before, most probably because I use images and not the context drawings. So I used ...
1
vote
0answers
33 views

How to fix my physics functions so they perform at the same speed across different FPS's

My jump function looks like - self.jump = function(){ //do the initial jump if (self.pressingUp && self.onGround) { //this just gets it off the ...
1
vote
1answer
71 views

Fastest way to render isometric world with moving entities?

I've got an isometric diamond-shaped world. The world consists of isometric planes like rooms. The walls and floors of the rooms and all obstacles and items in the rooms are isometric entities. So I ...
0
votes
0answers
22 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 ...