Tagged Questions

-2
votes
1answer
50 views

Moving Character Based on background

I want to know how can i move the following character just in predefined areas as shown in the bg.jpg file character http://s7.postimg.org/ezyaclrrb/walking.gif bg ...
3
votes
4answers
465 views

Why wouldn't one use Canvas for HTML 5 game development?

I'm just getting into the HTML 5 game development. I've discovered that some games seem to be created using just JS/CSS/HTML instead of the canvas. Since canvas seems to enjoy good browser ...
2
votes
1answer
117 views

JavaScript - 2D Top-down Tile Collision Detection

I am developing a small Top-down Game (Much like the old Zelda Games) and I'm having an issue in terms of Collision detection (The actual theory itself rather than assigning Tiles as solid, etc.) I ...
1
vote
1answer
101 views

Canvas isometric translations to integer coordinates

I'm creating a canvas based game with an isometric playing board. I use the following transformations to get my square tiles to render on the screen: 'applyViewportTransformation' : function() { ...
0
votes
1answer
398 views

Simple javascript HTML5 canvas start menu

I'm currently looking for a simple and basic start screen for a game using javascript, so basically its the first function that is called and then press play which then goes into the game. Looked ...
2
votes
2answers
202 views

Receiving keyboard events on a canvas in Javascript

I need to receive keyboard events in a canvas element. Click events are received but key presses aren't. Here is my code which doesn't handle key events: var canvasElm = $('canvas'); ...
3
votes
2answers
208 views

Client Side Logic vs Server Side Logic for HTML5 Game

I'm writing an HTML5 game that takes place in a single screen and does not have any data that would need to be saved (except for a score). I am writing all of my canvas logic on the front end. because ...
0
votes
0answers
175 views

What are pros and cons using easelJS library? [closed]

I am new to browser-based game development.I want to build a game that would be hosted on local server or on a system.Not to be on internet..currently.. I am completely new to field of game ...
0
votes
1answer
188 views

Game development for android using JQueryMobile or any OpenSource alternative for absolute beginners [closed]

I hope it doesn't really sound odd as this questions is for Game-development for Android Devices for absolute beginers. The reason for me asking is currently I am learning the Native App Development ...
6
votes
1answer
308 views

How to create 2D shadows

Could help about creating lighting and shadows in a 2D environment, like the image below. http://i.stack.imgur.com/0FEQz.gif I did several searches but got no results ( ps: sorry my bad english i'm ...
1
vote
3answers
566 views

Need Guidance Making HTML5 Canvas Game Engine

So I have some free time this winter break and want to build a simple 2d HTML5 canvas game engine. Mostly a physics engine that will dictate the way objects move and interact(collisions, etc). I made ...
-1
votes
1answer
191 views

Drawing polygons in 3D

I have recently been working on a 3D engine from scratch, using JavaScript and HTML5. I've successfully created lines (although slightly buggy) and points, but I can't figure out faces. My current ...
2
votes
0answers
447 views

HTML5/JS - Choppy Game Loop

I have been experimenting with HTML5/JS, trying to create a simple game when I hit a wall. My choice of game loop is too choppy to be actually of any use in a game. I'm trying for a fixed time step ...
-1
votes
2answers
219 views

Remove enemy when bullet hits enemy

For my education I have to make a basic game in HTML5 canvas. The game is a shooter game. When you can move left -> right and space is shoot. When I shoot the bullets will move up. The enemy moves ...
-1
votes
1answer
400 views

HTML5 platformer collision detection problem

I'm working on a 2D platformer game, and I'm having a lot of trouble with collision detection. I've looked trough some tutorials, questions asked here and Stackoverflow, but I guess I'm just too dumb ...
0
votes
2answers
353 views

Animating sprites in HTML5 canvas

I'm creating a 2D platformer game with HTML5 canvas and javascript. I'm having a bit of a struggle with animations. Currently I animate by getting preloaded images from an array, and the code is ...
1
vote
3answers
317 views

Issues with shooting in a HTML5 platformer game

I'm coding a 2D sidescroller using only JavaScript and HTML5 canvas, and in my game I have two problems with shooting: 1) Player shoots continous stream of bullets. I want that player can shoot only ...
5
votes
1answer
273 views

Jump handling and gravity

I'm new to game development and am looking for some help on improving my jump handling for a simple side scrolling game I've made. I would like to make the jump last longer if the key is held down ...
3
votes
4answers
637 views

What would be a good way to implement/render a 2D tiled map for a browser game?

I've made this little RPG Ruby game I did while learning and now I'd like to make it into a browser game. I've already set up Sinatra framework to serve it, so what I am looking for, before everything ...
3
votes
3answers
585 views

HTML5 game programming style [closed]

I am currently trying learn javascript in form of HTML5 games. Stuff that I've done so far isn't too fancy since I'm still a beginner. My biggest concern so far has been that I don't really know what ...
-4
votes
1answer
306 views

Smooth scrolling a staggered iso map [closed]

I got a staggered iso map that I want to be able to drag scroll with the mouse. I have it almost working but it is a bit glitchy, especially near the borders. Maybe you have an idea how to fix that. ...
0
votes
1answer
192 views

Box2dWeb positioning relative to HTML5 Canvas

I'm new with HTML5 canvas and Box2DWeb and I'm trying to make an Asteroids game. So far I think I'm doing okay, but one thing I'm struggling to comprehend is how positioning works in relation to the ...
-2
votes
2answers
72 views

canvas graphic output doesn't work [closed]

at the moment i'm developing a 3D-Vector-Coordinates-to-2D-Canvas-Calculation. the code is ready, the canvas too, but something doesn't work right... You can find my code at ...
2
votes
1answer
120 views

Repeat a part of spritesheet as background

So I'm trying to repeat a part of my spritesheet as a background (js, canvas). My code so far: var canvas = $("#board")[0], ctx = canvas.getContext("2d"), sprite = new Image(); ...
4
votes
1answer
583 views

What's the difference between Canvas and WebGL?

I'm thinking about using CAAT as a part of a HTML5 game engine. One of it's features is the ability to render to Canvas and WebGL without changing anything in the client code. That is a good thing, ...
8
votes
2answers
2k views

Free movement in a tile-based isometric game

Is there a reasonable easy way to implement free movement in a tile-based isometric game? Meaning that the player wouldn't just instantly jump from one tile to another or not be "snapped" to the grid ...
-2
votes
1answer
341 views

How do I make a simple level system? [closed]

I've been learning programming for a while and things are slow but steady. I only have a couple experiments that look something like a game (JavaScript,HTML5,CANVAS). One of the things I would like to ...
0
votes
1answer
690 views

JavaScript rendering: Canvas or DIV?

I am planning on developing a multiplayer RPG (kinda like RuneScape, but don't worry, with a different gameplay) and i want to do this in the browser. Now before saying things like "A MMORPG is hard ...
0
votes
2answers
360 views

Platformer movement and collisions

I'm working on a platformer but I'm stuck at the player movement and collisions. Right now I'm not including the grid at all in the movement, but it's time I do it. I've read this article on how to ...
1
vote
1answer
426 views

HTML5 Canvas Depth Sorting

I'm have problem with Isometric. I'm don't know how to name this "problem", but I'm show you some sceen what I get and what I'm need to get. My code now drawing something like: ...
1
vote
1answer
478 views

Easy way to do gravity in a simple game?

I'm looking for an easy, beginner friendly way to do gravity in a platformer. I've looked into Box2D tutorials, but they all seem very complicated. All I want is a class that takes into account if my ...
0
votes
3answers
637 views

2D maps, how to structure?

I'm new to this. And I don't really understand 2D tile maps. The tutorials I've read use arrays, but doesn't this get really difficult to manage when they get big? And what if I want different ...
0
votes
1answer
380 views

Z axis in isometric tilemap

I'm experimenting with isometric tile maps in JavaScript and HTML5 Canvas. I'm storing tile map data in JavaScript 2D array. // 0 - Grass // 1 - Dirt // ... var mapData = [ [0, 0, 0, 0, 0], ...
33
votes
7answers
1k views

Managing text-maps in a 2D array on to be painted on HTML5 Canvas

So, I'm making a HTML5 RPG just for fun. The map is a <canvas> (512px width, 352px height | 16 tiles across, 11 tiles top to bottom). I want to know if there's a more efficient way to paint the ...
1
vote
2answers
425 views

Multiple setInterval in a HTML5 Canvas game

I'm trying to achieve multiple animations in a game that I am creating using Canvas (it is a simple ping-pong game). This is my first game and I am new to canvas but have created a few experiments ...
0
votes
0answers
119 views

Existent js libs for tileset / map loading and rendering? [closed]

I'm building an rts style overhead tileset game with JavaScript (particularly using Ember.js framework as a base). The map is so large that I'd very much like to be able to load and render the board ...
0
votes
1answer
732 views

HTML5 Canvas Tileset Animation

How to do in HTML5 canvas Image animating? I am have this code now: http://jsfiddle.net/WnjB6/1/ In here I am can add animations something like -> Animation.add('stand', [0, 1, 2, 3, 4, 5]); But ...
5
votes
4answers
932 views

Defining the track in a 2D racing game

I am designing a top-down racing game using canvas (html5) which takes a lot of inspiration from Micro Machines. In MM, cars can move off the track, but they are reset/destroyed if they go too far. ...
3
votes
3answers
700 views

HTML5 Canvas Game Timer

How to create good timer for HTML5 Canvas games? I am using RequestAnimationFrame( http://paulirish.com/2011/requestanimationframe-for-smart-animating/ ) But object's move too fast. Something like ...
1
vote
2answers
257 views

Frustum Culling/Only rendering what's viewed by the Camera in HTML5 Canvas?

I coded up a simple 2D Camera for my HTML5 Canvas-Based Game Engine but I noticed the performance wasn't very good. So a lot of people suggested only rendering things that are shown by the camera but ...
2
votes
1answer
294 views

HTML5 Canvas fillStyle as numbers not text

When drawing vector graphics in the canvas you set the fillStyle using an rgba string like this... context.fillStyle = "rgba(255, 223, 191, 1)"; Is it possible to feed in a javascript object ...
3
votes
2answers
527 views

canvas ball physics animation

I want to animate ball in html canvas like this. ctx.beginPath(); ctx.arc(75, 75, 10, 0, Math.PI*2, true); ctx.closePath(); ctx.fill(); start position is left top corner and ball's maximum ...
5
votes
1answer
712 views

HTML5 Canvas Converting between cartesian and isometric coordinates

I'm having issues wrapping my head around the Cartesian to Isometric coordinate conversion in HTML5 canvas. As I understand it, the process is two fold: (1) Scale down the y-axis by 0.5, i.e. ...
0
votes
1answer
458 views

Converting coordinate systems to/from an isometric game world

I have tried searching and reading for an answer, but the information I could dig up either didn't fit what I need or was in the form akin to "Just multiply the vectors with the inverse matrix of.." ...
1
vote
2answers
693 views

Is it possible to convert file from Blender 3d to svg?

I want to build web game in html5 with canvas/svg. Can I convert/export file from blender to canvas/svg? Maybe via unity3d?
3
votes
1answer
784 views

Canvas tile grid, hover effects, single tilesheet, etc

I'm currently in the process of building both the client and server side of an HTML5, canvas, and WebSocket game. This is what I have thus far for the client: http://jsfiddle.net/dDmTf/20/ Current ...
1
vote
2answers
422 views

Creating several instances of the same object, and selecting only one

I'm playing around with making a puzzle game, haven't done that much before I run into my first problem. I want to create a certain amount of the same object/function. But without hardcoding the ...
10
votes
2answers
492 views

Dirty 2D map rendering

I keep hearing people talk about "dirty rendering" when it comes to map rendering for HTML5. I've Googled and searched the GameDev about it but there isn't much about it. What exactly is it? How to ...
3
votes
0answers
219 views

Choosing a (browser) game environment [closed]

I apologise in advance if this post is something you've heard a million times already or seems like a trolling attempt. I just want some advice and I'm coming up short with my own Google searches. ...
4
votes
4answers
799 views

Making a startscreen for an HTML5 game?

How would I make a start screen for a game using HTML5 canvas? I'm not looking for something advanced, just the new game button and highscore link etc. The question might be stupid, but I've never ...

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