Questions tagged [html5]
HTML 5 refers to new web technologies such as high performance JavaScript engines, canvas 2D and WebGL, video and audio tags.
505
questions
0
votes
1
answer
29
views
Why is this code keeping the listener which should be removed instead?
I am having some issues figuring out why this code still lets btn_1 call the function setstate3().
There is a function ...
0
votes
1
answer
13
views
why does my button lose the changed cursor and mouseover behaviour as soon as I attach a class to my file?
Using adobe animate cc - exporting to HTML5 and coding in JS (or at least trying to)
If I just hit cntrl+enter in adobe animate the button works as expected.
If I run the app from a web server using ...
1
vote
1
answer
170
views
How can I protect against a cheater changing variables on the client?
I built a multiplayer fighting game with impactjs, socket.io and nodejs and faced with "change variables hack" (I want to call it like this). All my current logic with jump, running, shoot ...
- 13
0
votes
1
answer
71
views
Invisible sprites with requestAnimationFrame
I'm trying to animate a sprite sheet. I have a single image, and multiple objects of the same type but drawn at different locations on the canvas.
What I'm trying to do is have each object move with ...
4
votes
1
answer
1k
views
What to do when my game is rejected by CrazyGames?
Every time I try to upload a scratch game to CrazyGames, it won't let me upload it.
I start the upload and I wait 30 minutes to 2 hours and it just says "rejected" — I don't know why.
If ...
- 41
0
votes
1
answer
696
views
How to rotate an image around its center point in a JavaScript canvas?
I have this function to get the rotation angle from my sprite and a target:
...
- 169
0
votes
1
answer
35
views
using javascript canvas.context.scale resets custom font
I am making a HTML5 game using javascript with canvas.
I am implementing a custom font adding @font-face style tag to header in the .html file, then if I set ...
- 169
0
votes
1
answer
127
views
Tween a pop-up containing several buttons
I am developing a small game with Phaser 3. I want to make a container with several buttons, representing a pop-up dialog. The container needs to pop up on completing a task. When container pops up, I ...
- 11
0
votes
0
answers
25
views
CloneNode or Audio Pool?
I have a game, but I have to make a decision about audio.
Should I preload an audio pool, or create cloneNode when played?
Which is better in terms of best loading and better performance?
- 123
1
vote
0
answers
243
views
How to play multiple sounds at once without reloading data?
I am making an HTML5 game, which involves one audio being played multiple times at once.
I searched this issue up and found this: https://stackoverflow.com/questions/25654558/html5-js-play-same-sound-...
- 123
0
votes
0
answers
185
views
Testing my game in the engine works fine, I export to HTML5 and try but all the tiles in tilemap have disappeared
Here is a link to the live game:
https://44351-w21.github.io/one-screen-platformer-francescainfranca/
As the title says all the platforms in the tilemap do not appear when you run the game on the ...
- 1
0
votes
1
answer
107
views
How do you make html elements not blurry
I was making a html game and all the elements are blurry is there a fix to this?
I use css but it makes it blurry
Code
...
- 3
0
votes
1
answer
61
views
How do I add a roof to a Html Game
I kind of new to making games been doing it for a few months and want to make games in a browser so I took the w3schools game example and I'm trying to add on to the game until I make a recreation of ...
- 3
0
votes
1
answer
130
views
Timers: check in game loop, or run independently?
Specifically talking in the context of JavaScript game development.
For example, I can use the language specific timeout mechanism:
...
- 111
0
votes
1
answer
486
views
How can I turn a Unity game into an MRAID-compliant playable ad?
I need to create a mini-game, one really simple scene, and export it as a playable that comply with the MRAID requirements.
Basically, I can export a WebGL.
The question is which adaptations the code ...
0
votes
1
answer
141
views
How can I load assets dynamically on user's input in LibGDX HTML?
I am working with LibGDX and GWT and I am trying to publish my app as a HTML webapp, it has many assets with around hundred of folders, now I want to load them dynamically (user input is sent to JSNI, ...
0
votes
1
answer
314
views
Why does my godot game not take input in the browser?
My game works perfectly fine in godot and as a widows executable but when exported to html5, I can't move my character.
The game is publicly available at https://ashir-rashid.itch.io/export-experiment
...
- 31
1
vote
1
answer
71
views
In regards to real time turn based games, where should the turn handler be?
I'm currently developing a pool-like browser game. I'm stuck on where should I handle the turn changing, timer, etc.
Currently, turn timer (i.e. 15 seconds left to do action, then turn will change) is ...
- 15
1
vote
1
answer
524
views
My HTML Canvas went blank
I tried to draw Mario Sprites in my HTML Canvas, but it always went blank.
Anybody knows why?
...
- 31
0
votes
1
answer
119
views
I can't clear the paint image in my Canvas
I'm trying to make the Mario move, but somehow it leaves traces behind, can anybody help???
...
- 31
0
votes
0
answers
613
views
html5 canvas isometric tile map
i need a help i have an Isometric Staggered tile map in Tiled (mapeditor.org).
100x100 tiles, 94x54px, 9447x2727px. total.
How can i make this in html5 canvas ?
var context = document....
- 1
0
votes
1
answer
137
views
Web Game Security - AntiBot
I'm going to develop a real-time browser game using NodeJS in backend for a fast WebSocket, but I'll both prevent bots and other cheats, so my frontend JS might be very advanced.
I'm experienced with ...
2
votes
1
answer
232
views
How can I convert an html5 web game to an android app?
I have already made an html5 game and it is in service.
I want to service this at Android app too.
I know little about Java or Kotlin, so I think the least risky way is to use a webview.
There is ...
- 161
2
votes
1
answer
59
views
Procedural vs Event Driven Paradigm Clash in HTML5
I've been writing some console-based games in python and got in the habit of having a "mainloop" that looks something like this (if it were ...
- 133
0
votes
1
answer
138
views
How to get the address of a nearby square on a chess board?
I'm making a chess game from scratch and I got stuck.
So far I have all my figures placed, I have the positions set, I've already done the collision detection and everything.
When I click the figure ...
2
votes
0
answers
29
views
Javascript: Eventlistener 'keydown' not registering all keys pressed when holding down other keys [duplicate]
Sollution provided in the comments. The issue is that my keyboard has what is called ghosting issues, this means it doesn't support some key combinations when pressed together.
When the user holds 's'...
- 421
1
vote
0
answers
311
views
Godot speed up mobile HTML5 Export GLES2 load time
I got a small Godot project that should be played on mobile devices, however the load time of a GLES2/ HTML5 export project of Godot takes 20+ seconds to load from the server.
To decrease the load ...
- 126
0
votes
0
answers
56
views
Abstraction for dialogue and quests in web game
I'm not very experienced with web languages, but I know a little bit of JavaScript. I'm working on creating a text-based rpg in HTML and need a way to modify dialogues for main story or quest ...
- 1
1
vote
1
answer
625
views
Unity Help solving Uncaught Abort on HTML5 Build
For some reason there is a Invoke that is triggered when a button is clicked that causes my game to crash. Any idea how I can sort this out?
I have plenty other Invokes and none has given problems. I ...
- 145
0
votes
0
answers
83
views
object position handling for multiplayer a game
I am creating a multiplayer HTML game which focuses on manipulating planet trajectories with gravity points. I am creating bunch of planets with random initial velocity and random direction and i am ...
0
votes
0
answers
641
views
Moving player one tile at a time (Javascript)
I've been watching this tutorial and found the code works flawlessly. Although, there is something he doesn't cover in the video. How to move the player one tile at a time. Every tutorial I've found (...
1
vote
1
answer
142
views
Using a setTimeout to Jump
I am trying to make a jump function.
I am making a game in html5 canvas with Javascript. I have gotten the player to move. When making the jump function I decided to use a timeout to reverse the ...
- 13
1
vote
2
answers
121
views
Select Neighboring X or Y Tiles
I have a randomly generated set of tiles, and I am trying to select neighboring x or y tiles to perform functions on them based on if they are a certain value of tile, like so:
...
- 11
0
votes
2
answers
958
views
How to get projectile direction vector in a 2d grid?
I am having trouble figuring out how to trace the path of my projectiles in an Asteroids clone. Currently the ship is locked to the center of the screen and can be rotated a full 360 degrees. I know ...
- 193
3
votes
1
answer
625
views
How do I rotate individual shapes on an html5 canvas?
So I am doing a basic Asteroids clone as an intro to HTML5 canvas. I want to be able to rotate the main player while leaving the other objects on screen alone. Currently I am using transform and ...
- 193
0
votes
0
answers
148
views
Using dom elements for game interaction - slow performance
I have a need for my html5 game (using melonjs) to allow users to click tile areas on the map. The idea is it will show a css styled hover area. The browser tested is chrome.
I could do this natively ...
- 1,035
0
votes
0
answers
238
views
libGDX/HTML5 game sounds doesn't work on iPhone
I have a libGDX/HTML5 project that works well on desktop browsers, but on mobile browsers it has problems.
I can have some sounds on Android browsers (not perfect) but on iPhone browsers it doesn't ...
2
votes
3
answers
2k
views
How to Play YouTube Videos Within Asset Store for Unity
On every computer I've ever tried to use Unity, the Asset Store seems incapable of showing the YouTube video previews of assets. It always claims my "browser" does not currently recognize any of the ...
- 167
0
votes
1
answer
156
views
Can a .exe file ported from a program like NW.js or Electron be put console stores?
I'm early in development working on a game in HTML5/JavaScript canvas, and I wondering if porting the game with some HTML/JS to .EXE converter would allowed it to be posted on consoles?
I think it ...
user124517
1
vote
1
answer
76
views
Is there a way to automatically group tiles in a A* pathfinding grid to find the largest areas?
I'm making an RTS game using html canvas.
I've made a program that randomly generates levels in order to test my pathfinding script. it divides the pathable blocks into squares so that you can apply A*...
- 131
0
votes
1
answer
169
views
Canvas Infinite Map: How to have reappearing objects at static X,Y even when looping
I made a html canvas example of an infinite scrolling map with objects in static places. As you can see in the Fiddle below, when you move left with the Arrow Keys, you can see that the map does not ...
1
vote
1
answer
100
views
What should i use as a board for my game? [closed]
I'm a beginning programmer and i need to make a game. The rough idea revolves around fleets fighting in turn based battles while you control your factions resources and manpower.
The original concept ...
- 11
1
vote
1
answer
2k
views
Why are my animations flickering?
My animation is supposed to be used in my physics project I am making. I am using 10 millisecond setInterval() and setTimeout() ...
1
vote
4
answers
1k
views
How to improve load times of audio files without loosing too much quality for HTML5 game?
I'm creating an HTML5 game. We have high fidelity composed music, in the format of wavs and mp3s— some ...
- 1,035
1
vote
1
answer
571
views
HTML5 game pases when you go to another tab
I'm making a simple game and I use requestAnimationFrame. Now the problem is that each I change to another tab the game pauses and when I return the game continues.
...
- 11
4
votes
2
answers
148
views
Implementing multiplayer aspect of a simple HTML5 game
I've been thinking about this a lot. I am trying to implement a simple multiplayer game but I have difficulty figuring out how to "share the scene". For example, there are non-player entities like ...
0
votes
1
answer
331
views
Why can't I load images in processing.js and let them be dynamic?
I can't easily load images. I can only render an image once unless I put this:
<img src="images/papermario.png" hidden></img> in my html. I also still ...
- 113
5
votes
2
answers
79k
views
HTML5 games: play() failed because the user didn't interact with the document first
I'm creating an HTML5 game using MelonJS game engine. Before I load the game, I have a simple pre-login page with a Splash and background music. This page has no need to load the game engine or game ...
- 1,035
0
votes
1
answer
103
views
online game, NPC monster death and hit detection to gain experience points
I'm doing a simple idle game, HTML5 client and Node.js server, but I'm making it online, where the client talks to the server (websockets) and all the logic is in the server (I want to prevent ...
- 103
0
votes
1
answer
2k
views
Javascript-How to create a moving bullet animation from canvas
the bullet cant see to move at all
...
