Making Javascript and HTML5 games

A long time ago (Netscape 4-era), I wrote Javascript-based games: Pong, Minesweeper, and John Conway's Life among them. I'm getting back into it, and want to get my hands even dirtier. I have a...

String replacement in java, similar to a velocity template

Is there any String replacement mechanism in Java, where I can pass objects with a text, and it replaces the string as it occurs. For example, the text is : Hello ${user.name}, Welcome to...

How do I calculate the magnitude of the velocity of my mouse cursor, in Python?

http://dl.dropbox.com/u/779859/speedCalc_puradata.JPG I achieved it in pure data, have a look at the schematic of what I'm thinking: Recieving Midi Control input from ctlin 20 and 21 Pipe delays...

Combine Rotation Axis Vectors

I'm experimenting with using axis-angle vectors for rotations in my hobby game engine. This is a 3-component vector along the axis of rotation with a length of the rotation in radians. I like...

android accelerometer to measure speed

im trying to make an speedometer using the accelerometer but for some reason the code is crashing can someone please tell me what is wrong and how to fix it thank you this is the red part in...

ImportError: Cannot import name X

I have four different files named: main.py, vector.py, entity.py and physics.py. I will not post all the code, just the imports, because I think that's where the error is (If you want, I can post...

Creating Rope Physics for Unity

I want to create a bungee jumping-like game in Unity and therefore I need a rope physics. I especially need elastic ropes with capability to pull objects with velocity after a little extension. Do...

deft mode terribly slow

I just started using emacs24 (the one that comes with Ubuntu) in order to use deft mode to mimic the behavior of notational velocity on the Mac. My ~/.emacs-d/init.el looks like this: (add-to-list...

Converting String to Int with Swift

The application basically calculates acceleration by inputting Initial and final velocity and time and then use a formula to calculate acceleration. However, since the values in the text boxes are...

Using public readonly fields for immutable structs instead of private field/public getter pairs

This is my first time writing small immutable structs that will be used in extensive geometric calculations. I'm tempted to use public readonly fields instead of private field/public getter...

Is it possible to make realistic n-body solar system simulation in matter of size and mass?

Important note: this question has *utterly no* relation to "PhysX", which is a computer-game-physics system (useful for the physics in arcade games such as ball games, etc); PhysX is a system...

Lombok and Maven

I'm trying to use Lombok with Maven and VRaptor on IntelliJ but it doesn't work. I already read some info in stackoverflow but none solved my problem, i already enabled the Annotation Processor in...

Java velocity vm file #set use boolean variable

We can not use Boolean variable by #set when I find velocity project guidelines in Apache official site, but it is also worked when I use in my project. #set($isRight=true) #if($isRight) ...

Adding padding to first and last cell of UICollectionView

I have subclassed UICollectionViewFlowLayout to get horizontal UICollectionView with paging like behavior. It works perfectly fine as long as UICollectionViewCell is not first of last cell. Images...

Double hash (#) in template

In an Apache Velocity template, double hashtag (i.e. ##) means comment, but I want to add ## literals into the template. How can I do that? The reason is that I want to make a template for Github...

IsGrounded in CharacterController not stable

I have following simple scene: scaled box at (0, 0, 0) for floor and 1 size box at (0, 2, 0). I try to do simple gravity and use following code: private float gravity = 1.0f; private Vector3...

Animated clouds and plane

I have been created a simple apps, with a lot of Javascript code, I use jQuery too and the code looks so dirty. So now, I want to try restructure my code to Object-Oriented. What I've confused is...

how to merge lists from a loop output Python

I'm trying to merge 2 lists output into one list from a for loop. Tried append() and extend() to no avail. Here's my code: c_files = ['file1', 'file2'] doc_count = 0 comb_cran = [] for fname in...

Unity 2D scripted friction equation

I am working on the friction for a square object for after it is done being pushed by the player. The block's movements are controlled purely through script using transform.Translate(velocity)...

CollapsingToolBarLayout and NestedScrollView smooth scroll issues

I'm using CoordinatorLayout with CollapsingToolBar and NestedScrollView. The elements are being inserted via RecyclerView. Whenever I try to scroll up or down the scroll isn't smooth, it's very...

React with Socket.io - continously re-render on "socket.on" event

I'm trying to write a client that opens a socket.io connection with a server and then continuously re-renders the screen with an updated number that is sent from the server through the socket. I...

Springfox swagger not working in spring boot 2.2.0

I want to upgrade spring boot v2.1.9 to 2.2.0. But after the upgrade I am getting some exceptions, which says spring fox is using an older version of spring-plugin-core. Is there any alternate...

Godot Networking Syncing Objects

Hello good people of the internet, I have come with a question I have been seeking the answer for, for quite a while now. I am making a game in Godot which has networking / multiplayer. (I'm new...

Cannot deserialize the current JSON array (e.g. [1,2,3]) into type 'testForApiData.States' because the type requires a JSON object

I'm trying to deserialize JSON with C# and Newtonsoft.json. The raw json string looks like { "time":1603710439, "states": [ ["3c403f","FME ...

How to display a label for a short period of time in kivy?

I m using : Windows 10 Python 3.9 Kivy 2.0.0 and my question is : I just follow the tutorial in the kivy documentation. I want to display a label duce = StringProperty() for a short period of...

Smoothed-particle Hydrodynamics Using Niagara in Unreal Engine

This is going to be quite a long post, sorry, but I think it's worth it because it's quite complicated and I would imagine quite a lot of other people would really like to be able to achieve this...

AudioKit 5.2.2 midi not working in ios project, works in macos project

I'm using latest macOS, Xcode, Swift and AudioKit versions... I set up MIDIListener to print any messages received. The only message received is "receivedMIDISetupChange". Attempting to print any...

Could not initialize class org.apache.logging.log4j.core.LoggerContex

Due to the recent vulnerability found on Log4j, We were tasked to move to version >= 2.16.0. Initially, my project was using <version>1.2.17</version> After adding the necessary dependency, and...

Implementing Kalman filter for state space model of movement process

Is it possible to implement a model like the one presented in Bayesian Filtering and Smoothing, example 3.6 in statsmodels? I can follow along with the Matlab code provided, but I'm not sure if...

How can I make this expression involving floating-point functions a compile-time constant?

I have a constant integer, steps, which is calculated using the floor function of the quotient of two other constant variables. However, when I attempt to use this as the length of an array,...