HTML 5 refers to new web technologies such as high performance JavaScript engines, canvas 2D and WebGL, video and audio tags.
5
votes
4answers
257 views
+100
Rotating sprite around another sprite
I am building a pool game, and I want to make the cue rotate around the white ball.
Here is the live code:
http://199.26.84.223/nocol.html
Here is the code for the white ball:
balls = ...
3
votes
1answer
48 views
Collision happens even though the objects are not colliding according to what we see
I'm trying to build a pool game as my first phaser project.
The biggest challenge today was to make the cue rotate around the white ball. After hours of searching and not finding anything useful ...
-2
votes
2answers
81 views
how to make a 3d game using html5 and JavaScript? [on hold]
I am trying to make a 3d game that runs on web browsers using HTML5 and JavaScript. The idea is simple a it's a first person sniper shooting game just like the android game Sniper 3D Assassin.
I've ...
2
votes
1answer
36 views
Switching from Arcade to P2 physics in Phaser
so i just started using phaser for test
i've followed the tutorial in the phaser website (making-your-first-phaser-game) everything is clear no problem .
but since i've making a pool game i need ...
1
vote
1answer
62 views
Building a simple bomberman game with Node.js and Socket.io
I'm building this game mostly because I want to experiment with Node.js and Socket.io, and the game is more like a proof of concept.
To start with, I have a 2D grid system as the game map.
...
1
vote
0answers
36 views
tilting image for mode7 game in HTML5
I'm making a mode7 game like mario-kart and I need to tilt the image before I draw it, I have tried using a buffer canvas to tilt the image then draw it on the games canvas but this makes it laggy ...
5
votes
4answers
140 views
Good algorithm to generate pixels for thick line?
I am not really making some drawing as of picture manipulation but I use line function to calculate "claimed" pixels in my line race game (demo here):
The actual rendering is apart from the game ...
1
vote
0answers
37 views
Solitaire game - future strategy [closed]
I recently released my first html game. It's a simple solitaire game that can be played right in the browser on both web and mobile.
Web version doesn't use any monetization technique, mobile version ...
1
vote
1answer
67 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 ...
2
votes
3answers
50 views
How to handle “game missions/flights” across the world map
Sorry if my title is a little vague, I wasn't entirely certain how to word this specific question.
I'm developing a small little MMORTS game, and in this game is the world map which consists of ...
0
votes
1answer
43 views
How do I combine two HTML levels? [closed]
If I have two levels that I have made separate in HTML5 how may I combine them so one comes after another?.
1
vote
0answers
47 views
How should browser based muiltiplayer game state be syncronized using WebSockets and a Node.js backend?
I'm in the process of learning how to create browser based html5 games. I'd like to eventually be able to achieve a game with mechanics very similar to that of the game agar.io. I've been observing ...
1
vote
2answers
70 views
2d mmo open world connection and reconnection
I am trying to create an 2d html5 open word (the sprite does not have any fancy flare, just shapes around) with only maximum of 10 player at once.
My question is how to create a seamless join for new ...
1
vote
2answers
109 views
Why does player still leave map?
I'm making a simple HTML5 RPG in pure JavaScript likened after Nox, Diablo or Titan Quest, with the character centered on the screen and the map moving around it.
TL;DR: My character, when colliding ...
-3
votes
1answer
106 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 ...
2
votes
1answer
52 views
Tiled - move all tiles
I'm making a map in Tiled.
I quickly ran out of room in the north of my map and would like to "shift" the tiles down. I'd prefer not to have to redo each of the tile layers.
Is this possible?
This ...
1
vote
0answers
75 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
1answer
42 views
Why can't CSS Sprites handle vectors?
Almost all the documentation available either says that "sprites are bitmaps" or that "css sprites must be bitmaps". Is there a specific reason for this? Is it, in fact possible to create a css sprite ...
4
votes
1answer
215 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
34 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, ...
3
votes
0answers
158 views
Card Masking in Phaser
Good Day,
I'm new to Phaser and still learning about it to.
I am challenging my self to create a simple animation of a card flip somewhat realistic
rather that making use of a scale.
This is ...
1
vote
2answers
77 views
HTML Multiplayer and Hiding Information
I'm in the process of conceiving a multiplayer web-based game of sorts and was looking into different ways of achieving this. Instead of using PHP/MySQL/AJAX like I'm used to, a lot of sites are ...
2
votes
1answer
62 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 ...
1
vote
0answers
21 views
CocoonJS draws shadow around tiles
I am using CocoonJS launcher on iOS for a simple tiled game. Calling canvas drawImage for tiles adds a shadow or ghost border around tiles. See this screenshot:
...
1
vote
1answer
82 views
How are CSS and WebGL coordinates related? [closed]
I'd like to build a simple framework which rendering combines web page DOM elements with WebGL, such that they're manipulable in the same coordinate space.
How does the plain CSS coordinate system ...
0
votes
1answer
95 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 ...
1
vote
0answers
180 views
In Phaser, how should I be managing state? [closed]
I'm quite new to Phaser and JavaScript really confused about state management.
Phaser has lots of documentation and info on the net, but everyone seems to be doing it a different way.
An example:
...
-1
votes
2answers
314 views
Where to start developing a 2D puzzle game [closed]
I would like to start developing a 2D puzzle games, much like sudoku for example. I would like to publish it on Facebook and on gaming websites, like miniclip, agame, kongregate. The game should have ...
2
votes
3answers
252 views
Collision detection between draggable object and world objects?
I have a game I'm making in Javascript that will involve combining items by dragging and dropping them onto each other. Think Alchemy or similar.
So far, so good, but I hit a snag while trying to ...
3
votes
1answer
242 views
How can I create 2D, sprite-based reflections in HTML5 Canvas?
I'm trying to create simple reflections in a 2D, sprite-based game using HTML5. I'm looking to recreate an effect like the one you'd often see in GBA games, such as Pokemon Emerald and Mother 3:
...
2
votes
1answer
133 views
How to “piece together” an image in code, to render later?
I want to make a game in Dart and have decided to use the available port of the JS Phaser game engine. This will be my first time really making a game involving graphics so I guess I'll have a lot to ...
1
vote
1answer
577 views
Rotate arrow on canvas
I need to draw a flow dynamically based on some user choices. In that flow I want to draw the choices (blue circles with number) and the directions of that choices (line and arrow). For example: node ...
3
votes
1answer
175 views
How to implement user friendly screen panning on 3D HTML canvas for RTS game
How can I get RTS map panning like how it was done in C&C red alert (with the mouse at the edge of the screen moves the screen in that direction) with a Babylon.js RTS game in the html canvas? ...
1
vote
0answers
122 views
HTML5 game : Secure way of saving score [duplicate]
I wrote a pretty basic game for colleagues to play : the player shoots on an enemy which has 50 lives while other smaller enemies pop randomly on the screen. The goal is to kill the main enemy as fast ...
1
vote
1answer
402 views
How do I add my phaser.js game to my pre-made web page?
First off, it's my first time doing a little bit of game development, and I have no idea of the normal flow of making a game, let alone a browser game.
My game uses the phaser framework of HTML and ...
1
vote
0answers
280 views
Phaser noob: Why is my Phaser game jittery? [closed]
I'm just getting started with HTML5 game development, and I'm very impressed with the quality of Run Pixie Run and bunnymark in both desktop and mobile, so I've started making a game using Phaser ...
1
vote
1answer
105 views
Set a different animation rate for moving player NOT using a sprite
I am trying to start making a simple game using HTML5 with a canvas and some JS. I have a player whose movement I am comfortable with, but the rate at which the player animates when it moves is too ...
2
votes
1answer
205 views
Shadows in html5 canvas game
I'd like to ask for reference. I met an article about how to cast shadows in games. I'm using html5 canvas (currently without webgl) with javascript for my projects.
The article mentioned above is ...
1
vote
2answers
154 views
How to access bottom canvas layer in HTML?
I have such html:
<div id="main_window">
<canvas id="canvas_hex_logic" width="200" height="100"></canvas>
<canvas id="canvas_ground" width="200" height="100"></canvas>
...
1
vote
1answer
147 views
How do I cut off the edge of an image in a 2D JavaScript Array?
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 ran into a couple of little problems ...
1
vote
0answers
284 views
Simple track method for 2D car game? [closed]
I'm a new programmer and I am trying to make a 2D car game on an html5 canvas with javascript and JQuery. I have got the basic car motion down, check it out here:
...
9
votes
2answers
3k views
Displaying a particular sprite from spritesheet using Phaser
I am trying to make a card game using Phaser, the HTML5 JS framework. Because I'm a terrible artist and can't design my own, I'm using a free spritesheet of playing card images I found online. The ...
4
votes
2answers
508 views
How do I make a scrolling map within an HTML5 canvas?
My project is a 2D tactics game with a square grid. It's all HTML5/Javascript/JQuery.
I have been able to draw out the grid and have a system where I can load different maps with tiles where units ...
1
vote
1answer
60 views
How to manipulate browser pixels on different mobile devices
I'm creating a board game using HTML5, CSS3 and JavaScript. It's working fine on Desktop browsers properly. But when i load it on Windows phone it's not behaving properly. The resolutions and the game ...
-1
votes
1answer
204 views
How to deal with extremly big numbers in javascript? [closed]
I am making a idle game like http://www.clickerheroes.com/ . I am doing it using createjs html library(doesnt matter). Anyways what i want to know is how i can deal with extremly large numbers that ...
1
vote
0answers
222 views
RPG game engine HTML5/javscript [closed]
I am planning to build a 2D RPG game (Zelda style). I am looking for a game engine that has the following features:
Map editor to create maps (preferably orthographic grid), with solid objects, ...
1
vote
0answers
112 views
Balancing fight script in Text Based Javascript Game
I'm working on a little text based javascript game and I've been using chromes Javascript console for the output. The 'game' works off a series of methods written into an object called Player created ...
0
votes
3answers
792 views
Add a Countdown Timer that increments in JavaScript and resets per level(Resovled)
I am currently developing a Simon says type game using jquery and javascript.
I have linked a fully copy of the game on github
Github download and unzip to see the game fully ...
1
vote
1answer
74 views
Get speed from vector using box2d and javascript
I need to find the speed of an object in a game. The game is made in HTML5 with jquery and jquery.box2d.
For this I can use these methods:
GetLinearVelocity().x;
GetLinearVelocity().y;
I'm then ...
2
votes
1answer
273 views
How do I procedurally create a directional light cone with an HTML canvas?
To create a directional light effect, I want to draw this kind of transparency mask on an HTML canvas (using context2d):
I also want to be able to generate such a mask dynamically. I've tried using ...