"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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57 views

Picking tiles in an isometric diamond map

I am rendering a isometric map with the following code: for(var x = 0; x < MAP_WIDTH; x++) { this.map[x] = []; for (var y = 0; y < MAP_HEIGHT; y++) { var screenX = ...
0
votes
1answer
46 views

Changing the material on an object on click in unity

Iam working on unity2d.I have six game object Object1,Object1,Object1,(these are images) ObjectImage1,ObjectImage2,ObjectImage3(these are images). I have arranged the object in the scene as a list ...
-1
votes
2answers
36 views

Character bounces/stutters down hills

I'm using Unity3D (not 4) and I'm experiencing a bit of a problem with character movement. I'm using a cylinder as a First Person player with a child Main Camera. In this cylinder is the stock ...
0
votes
1answer
31 views

Regeneration using Time.deltaTime

I'm trying to regenerate stamina at a rate of 1 per second using Time.deltaTime, however this doesn't do anything (My 'current stamina' doesn't change at all). I've done some looking around and I have ...
1
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3answers
94 views

calculating step length with dividing a number that returns digits after the decimal point

Question: How can i get rounded numbers from calculations that returns digits after the decimal point. And all the numbers together will be the number that is divided from. Explanation: I am ...
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1answer
20 views

How to use setInterval and clearInterval

I have a game that I am making and cannot seem to get the setInterval and clearInterval methods to work. When I debug it in the browser console it shows that the method is still being called over and ...
0
votes
1answer
38 views

Continous collision happening in Unity2d

I am working on Unity2d. I have a game object called gameobject1 on screen. It holds an image (named "state"). When I drag a tree on a gameobject1 collision is happening continuosly in the same layer ...
0
votes
1answer
75 views

WebGL wrong scaling of rectangle

I'm working with this tutorial http://www.html5rocks.com/en/tutorials/webgl/webgl_transforms/ and my result is, that the rectangle moves in the direction of it's scaling values, and also scales at ...
0
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0answers
25 views

Creating a simple race game engine for browser based game [closed]

I want to create a browser based MMO racing game and when raceses take place I want the full race to be visible to all the player on a page that looks like the picture inserted. My idea is to get ...
0
votes
1answer
109 views

Problem with Raycasting in a 2D Game

I'm new to using unity and came across a problem when I was following a tutorial. The game is in two dimensional space, and when my player walks over a certain tile the detection never goes off. ...
0
votes
1answer
37 views

How to use sprite as font in Unity?

I've started working on my first game in Unity; It's very simple, there's a spinning block in the middle, and there are spinning blocks coming from all sides. When they hit the middle block, you lose ...
1
vote
3answers
94 views

Freeze Player position temporarily?

I'm making a 2D sidescroller (although it's technically being made in 3D), and I need to freeze a player's position temporarily. With a RigidBody, this would be simple, but I can't think of how to do ...
3
votes
4answers
283 views

Why do I need a local server for HTML5 game development?

I'm new to HTML5 game development. I'm trying to make something using Pixi.js, but when I tried to view it in a browser, I saw a blank page. According to the tutorial I'm following, I need to set up a ...
0
votes
2answers
55 views

Collision detection: Swinging bat/racket and ball

I am programming a side-view tennis game, inspired by an old arcade game, using Javscript and HTML5 canvas elements. The player can move left and right and holds a racket at arms length which can be ...
0
votes
1answer
33 views

Rotating a view of a chunked 2d tilemap

I'm working on a top-down (oblique) tile-based engine. I would like for the tiles to have a definable height in the world, with Characters being occluded by them, etc. This has led to a desire to be ...
4
votes
3answers
712 views

Differences between C# and Javascript for Unity [closed]

Apart from the language differences (class-based vs prototypical, strong vs weak typing), what are the differences between using Javascript and using C# when developing games in Unity3D? Is there a ...
0
votes
2answers
140 views

Why does my player stop when stepping onto a new tile?

Me and my friend are creating a game from scratch. He is in charge of art design and I am in charge of coding. I have done well so far with the code, but I have a collision detection problem when the ...
0
votes
1answer
31 views

Phaser/HTML5 - Trying to add five instances to a group and display on the screen!

just started using Phaser today after seeing Thomas Palef's lessmilk series. I completed PhotonStorm's "Make your first Phaser game" tutorial, and grabbed the skeleton, some CSS, and started to throw ...
3
votes
1answer
55 views

How to calculate whether a cuboids face edge is infront of or behind another for sorting

I'm building an isometric game, I want to position and sort objects in a particular way. All my entities have 3d bounds which determines their cuboid, looking my example, a different edge is used to ...
-1
votes
0answers
27 views

Unity 3d: the difference developping in javascript/C#? [duplicate]

What is the difference(strong or weak)? I have asked several programmers, but they told me there is a preference topic.
0
votes
1answer
60 views

How would one outline an alpha transparency layer in javscript and/or php? [duplicate]

I simply want an outline/edge detection of the character/item/object that is selected or doing something. I'm seeing lots of versions of this question for different languages, but I would appreciate ...
1
vote
2answers
76 views

How can I manage complicated visual state over a simple model in puzzle games?

I've been encountering this design challenge making a few toys with Javascript (CreateJS, EaselJS) The scenario is that you've got some sort of puzzle game with a simple game model. For a simple ...
0
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0answers
31 views

top down 8 directional movement - need help with collision [duplicate]

I have for some time now been strugling with movement in my game. I want a zelda like 8 directional top-down movement. I have tried different things, but non of them have been perfect. EDIT: ...
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votes
2answers
67 views

C#Script select GameObject

I want to load the prefab instead of the gameobject that is in the screen, my code is this one: using UnityEngine; using System.Collections; public class Arma : MonoBehaviour { public static int ...
1
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0answers
31 views

Three.js camera turning leftside right

In Three.js I am trying to implement an orbiting camera can be rotated around the x and the y axis. I am using these two functions: function rotateX(rot) { var x = camera.position.x, ...
2
votes
1answer
95 views

Inverse Explosion with Unity2d

I am currently trying to make all other objects push away from the player when the player explodes. It currently works, but it pushes close objects a little and far objects very far. What I want is ...
0
votes
1answer
55 views

One draw call with one big mesh VS many draw calls with many little meshes

I have read that in order to optimize WebGL application, one should reduce an amount of draw calls. But does it mean that computing a one big mesh from all single meshes on CPU by modifying vertices ...
9
votes
2answers
1k views

What is the best way to handle simultaneous collisions in a physics engine?

I'm writing a 2d physics engine in javascript so that I can learn more about physics in video games. I have it working correctly for rigid body collisions, except for if any body collides with two or ...
1
vote
1answer
486 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 ...
0
votes
0answers
24 views

How do I repeat parts of some images in 2D Array in JavaScript but not all of them?

OK, I am trying to make a game that is a little bit like SimTower but utilizing HTML5 (particularly the canvas element) and JavaScript with a little CSS. I have progressed pretty far in the past week ...
-1
votes
3answers
461 views

Can these game be fully coded in html5/javascript? [closed]

I mean the mechanics of the game. Would it be possible? -Pokemon GBA series, rendering the world would be easy, but what about battle mechanics? -MapleStory, after seen dragonbound.net which is an ...
0
votes
1answer
75 views

How does this game loop actually work?

I read this playfulJS post, about ray-casting: http://www.playfuljs.com/a-first-person-engine-in-265-lines/ It looks really interested, so I decided to look at his javascript. I am no expert in ...
0
votes
2answers
102 views

How to move an image back and forth with javascript

I currently am trying to make a baseball game and have this code here: http://jsfiddle.net/769BK/ I have the baseballX set to a decrement, and then I try increasing the value using baseballX++; but it ...
1
vote
1answer
92 views

Unity3D - Android pause screen - double click issue [closed]

I made a pause script for the game im developing for android. I added the script to the GUITexture I created and placed on the top right side of the screen.The issue stands at the part where if the ...
3
votes
1answer
118 views

determine collision angle on a rotating body

update: new diagram and updated description I have a contact listener set up to try and determine the side that a collision happened at relative to the a bodies rotation. One way to solve this is ...
2
votes
2answers
61 views

Linking one uniform variable to many shaders

Let's say, that I have 3 programs, and in each of those programs there is a view matrix uniform, which should be the same in all those programs. Right now, when my camera moves, I need to re-upload ...
0
votes
2answers
69 views

what function creates rotation effect in three.js?

which part of the code is responsible for the rotation in this example? Is it the camera or the scene itself? http://threejs.org/examples/#canvas_camera_orthographic
0
votes
1answer
88 views

How to solve problems with movement in simple tile based multiplayer game?

I'm making a simple tile based 2D multiplayer game in JavaScript using socket.io where you can move one tile every 200 ms. The two solutions I've tried are as follows: The client sends "walk one ...
2
votes
2answers
259 views

How do I render an animation where some frames appear twice?

I am animating a sprite. The sprite has 7 different frames, but the animation is 10 frames long. This is because 3 of the original frames appear twice in the animation: 3 -> 4 -> 5 -> 6 ...
1
vote
1answer
122 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
2answers
136 views

How to move an object using X and Y coordinates in JavaScript

I am making a 2d baseball game with JavaScript and HTML5 and am trying to move an image that I have drawn with JavaScript like so: //canvas var c = document.getElementById("gameCanvas"); ...
-2
votes
2answers
101 views

collision detection algorithm issue

here is the jsfiddle i am working on so far : http://jsfiddle.net/TLYZS/ if you debug the code and check the collision function you can see that the collision is working fine when the user overlap ...
4
votes
2answers
571 views

How to ignore collision between two objects

I have a player that shoots in the direction that it is facing. However, the shot that is created when I click, also destroys the player (example). How would I make the shot ignore collision with the ...
0
votes
0answers
69 views

Collision Detection and Resolution in Three.js

So at the moment am making a simple game using three.js and three.firstpersonControls.js but with the current Three.js r66, they apparently removed checkWallCollision and then in the r67 ...
1
vote
2answers
160 views

Can I have keyboard controls in an MMO and still do movement calcuation in the server?

I'm trying to decide between keyboard and mouse movement controls for a web-based multiplayer. It would be quite resource-intensive to use the WASD-keys and AJAX the server with controls every second. ...
1
vote
2answers
281 views

Dealing with multiple animation state in one sprite sheet image using html5 canvas

I am recently creating a Game using html5 canvas .The player have multiple state it can walk jump kick and push and multiple other states my question is simple but after some deep research i couldn't ...
-1
votes
1answer
61 views

simple collision detection with box2dweb

im beginner in box2dweb that version of box2d for javascript i wrote simple gravity system and i want to detect the collision between the box and the ground , when the falling box hit the ground ...
5
votes
3answers
229 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 ...
3
votes
3answers
106 views

How to launch a prefab at the mouse position

I want to use Instantiate(item, new Vector3(...), Quaternion.identity) to land an item at the position that was clicked. My game is using a third-person view (example). This is the code that I think ...
0
votes
1answer
87 views

How to store and use different AI behaviours

I'm coding a space shooter on three.js (WebGL) and since the game I'm doing is rather simple, plus I want to keep controll of the structure, I'm not using a game engine. I'm using oop classes and ...