Questions tagged [javascript]
"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/JavaScript
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Padding in a vec3f array in WebGPU memory layout
I'm trying to write a WGSL structs parser (sort of webgpu-utils thing). In order to better understand the memory layout, I'm using wgsl offset computer as a helper.
Having the next struct:
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Looking for simple gravity + collision Javascript library for platformer game [closed]
I've been looking all over, but all the libraries I've found seem to fall into two categories: "Everything and the kitchen sink," or "We detect collisions, but don't actually resolve ...
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other objects are moving with player [closed]
I was trying to locate other objects in world space but they where moving with camera and I couldn't able to locate them, Camera is moving with Player Car but other Obstacle cars are also moving
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Spawning of enemies seems to be broken
I am working on a small video game in HTML, CSS, and JavaScript. The game is almost finished, but I am having a problem with the manner in which my enemies spawn. The following code is in the ...
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What is a "normal" in game development
I'm new in Game development and probably this is a silly question.
I had a look online but haven't found a clear answer, I did it bit quick but enough to evaluate that this is a confusing topic ...
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How to trigger a local file download for a screenshot from a Unity WebGL game?
Is it possible for a Unity WebGL app to trigger a local file download - binary data generated in the app, somehow triggering a browser download?
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Why wont my code work
I have just started on a new short game and i am trying to figure out how to make a reward when i reach a certain value I expect that the counter starts at zero, and each time the button is clicked it ...
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How do I react to a variable having reached a certain value?
I am a new coder and im trying to learn html. i have started working on a clicker game but im trying to figure out how to give a reward when my total clicks var has reached a certain value. the reward ...
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Improve performance of server updating game state
I have a Node.js game that sends update packets to players every 30ms.
The code I currently use works this way:
Get the entities within each player's vision.
Create a temporary object that stores ...
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How to set pivot point for rotating a sprite?
Is there a way to set the pivot point for rotating a sprite? The default option seems to be arbitrarily chosen point on the sprite or the mid point.
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How to properly overlay HTML over canvas with scaling?
If I have
<div container>
<my html overlay>
<my game canvas>
</div>
The canvas has ...
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HTML5 Canvas - Drawing with Floats
I'm trying to implement a game where you have car moving along a line in HTML5 Canvas. Using a little bit of trigonometrie I managed to get the right x and y coordinates to add to the coordinates of ...
CommunityBot
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Help solving Uncaught Abort on HTML5 Build [closed]
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 ...
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Camera movement with player
I'm developing a game using the html5 canvas, but I've never used it before and I'm having difficulty creating a camera. The intention is that it is the same as agar.io, where the player is centered ...
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How to implement 2D rigid body motion?
I'm already depending on two NPM packages for 2D collision and differential equations:
sat
rungeKutta
I've a basic simulation structure, but don't know where to start with to use these two packages ...
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How to prevent blurry pixel art when the camera is following a character?
I'm developing a top-down pixel-art game and previously I was having the camera follow the player like this in the camera's update function (called every frame):
...
CommunityBot
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How to perform a sliding collision between a square and a circle?
Please point me to the duplicate if this has been asked before. I couldn't find it.
Basically, I am creating a 2d top-down game where the player is represented by a circle, and the tiles are ...
CommunityBot
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How to make 2D lighting in JavaScript
I am making a recreation of the 2D voxel game Terraria in JavaScript. Like most sandbox games, Terraria has lighting, but because I am using JavaScript, performance is going to be an issue.
I have ...
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Is it safe to store the state of a game in Javascripts localStorage?
I am going to be completely honest, this is not 100% about storing a game state in Javascript's localStorage, it is more to do with a utility program storing statistics. Since it can be related to ...
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RayCasting with Mode7
I'm trying to join the mode7 algorithm with RayCasting. For mode7, I'm using a simple rotation matrix to implement the rotation. The result is a little strange and I can't fix it. Do you know what is ...
CommunityBot
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Behaviour of containers in Phaser 3 framework
I don't understand the behaviour of containers in this example:
Phaser example
The part I don't unerstand is line 41. Why is lastContainer assigned to newContainer? In line 40, newContainer is added ...
CommunityBot
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Game character in the browser game appears on Android, but not on iOS
I have a problem with rendering the game on mobile platforms (the game is written on the Impact.js), the problem is only with the iOS actually, the screenshot below shows that the characters are ...
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How to rotate player to face mouse on canvas?
I'm building a basic game using plain javascript and I am trying to rotate my object to follow my mouse.
I've tried getting the client's mouse X and Y then subtracting the canvas width and height ...
CommunityBot
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Rotated Sprites collision detection
I am trying to implement checkCollision function in my game, I used AABB method but the problem is that my sprites are rotated so it's not really precise. I could finely describe my Sprites with ...
CommunityBot
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Would it be possible to make a Game Genie like program in Javascript?
Game Genie was a tool for the NES that allowed users to input codes that were able to drastically able to change the mechanics of a game by getting CPU reads and replacing the game's response with its ...
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Trying to calculate hitbox vertices for my game and adding SAT collision
I am currently working on a basic HTML, CSS, and JavaScript game as a freshman high school summer project. I am currently trying to implement separating axis theorem (I spent a lot of time learning ...
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Where is the illusion of a moving camera perspective coming from in this rotatable cube model?
Just for fun, I had been attempting to build a model cube in vanilla JS that can be moved and/or rotated. What I was going for was the simplest possible representation (so, no adjusting for ...
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Recognising when a user is clicking below a particular sprite
I have a game, built using pixi.js, where I want to run some code every time the user presses below a certain sprite. I am handling the press event using hammer.js. The problem is that the y attribute ...
CommunityBot
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Handle roads following in a javascript game
In a browser game made in HTML5/Javascript, I would like to handle the move of units in real-time. But units would have to follow some predefined roads...
Canvas seems better than svg to handle ...
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Wondering if there is a more efficient way to store level data in my game?
I am trying to remake Super Mario Bros. in JavaScript and I am trying to figure out if there is a more efficient way to create and store the level data. I have created 1-1 and here's what the code ...
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Calling setInterval from requestAnimationFrame causes enemies to shoot continuously
I am making a 2D canvas game in JavaScript. I am trying to make the enemies shoot a bullet every 3 seconds.
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three.js shader to keep moving vertices of points cloud inside sphere
I am trying to achieve the effect of having a points cloud with moving points while also keeping them confined within a sphere of radius X.
I have managed to do it without using shaders but I want to ...
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How is it possible to create a texture atlas from a list of images? [duplicate]
Given a list of images how is it possible to place them on a square image, so they take up the least amount of space?
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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 ...
CommunityBot
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Do you need to know JavaScript to make games with RPG Maker?
Do I have to know how to code in JavaScript to make good games in RPG Maker MZ? I'm asking cause I know you don't really have to code in RPG Maker. I already tried some programming languages, so I ...
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Why use sprite tile maps on the GPU in WebGL?
I'm trying to figure out the best way of rendering my layered tiled maps with WebGL, and have come across this tutorial several times: https://blog.tojicode.com/2012/07/sprite-tile-maps-on-gpu.html
...
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Blend different biomes using linear interpolation
I've been scouring the internet for hours looking for a solution to blending biomes that have different amplitudes and frequencies together to create a seamless world. A recurring theme I'm seeing is ...
CommunityBot
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Mixamo -> Blender -> BabylonJS empty scene
I am following this tutorial on babylon.js and managed to export a .babylon file, but when I load it with:
...
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steering behaviors collision avoidance: vehicle shaking before arrive at destination
I have made a test sketch of collision avoidance using javascript, as you can see right here.
I want the vehicle to move to the clicked location, avoiding obstacles on the way. It is working, but not ...
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How to lock aspect ratio when resizing game window in unity?
I want a scalable game window that when resized stays at 16:9 aspect ratio. The goal is for the user to be able grab the window on the right or bottom and resize it. The game should adjust the ...
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How to publish WebXR game on Quest or Steam stores?
I would like to develop a simple and small game for WebXR so that Quest, Index, etc. can play it. I would eventually like to be able to put it on the Quest store and Steam.
Is there a way to publish a ...
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How to rotate an image on an HTML5 canvas, without rotating the whole canvas?
I want to rotate single sprites on the canvas without rotating the whole canvas.
I also don't want to create a new canvas for each object I have.
Also, it would be interesting to know which solution ...
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How to draw/calculate a parabolic arch to hit stationary target in Javascript
First off I must admit I'm really not good at math and am trying to learn but have had a hard time finding examples someone like myself can follow. I'm trying to figure out how to draw and calculate ...
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Player Jumping inconsistent and bugged
I am having a lot of different issues while coding player jumping for my game. Sometimes when the player hits the jump key the jump is delayed and/or doesn't jump to the heigh it usually does. I am ...
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How can i rotate an object based on the finger position?
I am using Lens Studio to build an AR effect and trying to use the position of the hand tracker fingertip to make a cube rotate. For example, as I move my finger on the x-axis the cube rotates in the ...
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How to create global function for all .JSLIB files?
I can't understand how to work with .jslib files. I don't understand the syntax of this type of file. Also I couldn't find any easy explanation of it
The problem ...
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Adding requestAnimationFrame in isometric Tile grid Code is not working
Hi There this is my first Post on gamedev, and i hope everyone understand what i want :)
First of all my Code is an very Personal Version from one Github Isometric Map.
I Tryd now 2 Days to Add the ...
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How to instantly break method call?
I'm making 2d Mobile game using JavaScript.
I have method that controls every character (Dumb AI) on battleground. It using recursion to call another action. I want to add debuff system and had little ...
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Object goes straight through game object without colliding
The "shot" is supposed to collide with the left bumper and then be destroyed, but the shot goes right through it. Both objects have a box collider.
The following is the code I am using:
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