We will design two interesting characters in this tip. The first one is Code Project Bob sticker and the second one is Magpie bird which is the national bird of Bangladesh.

.NET

Windows

VS2013

GDI+

How to Create High Performance (and Publication Quality) 2D Graphs in C++ using Morphologica

14 Mar 2023 by sebjameswml

Walks you through the steps needed to draw high quality 2D graphs in your C++ programs using the header-only library morphologica

Getting Started with MicroStation Application Development

24 Nov 2015 by Asad Bukhari

Step by Step guide for getting started with MicroStation Application Development

Dev

Squares Puzzle using RingAllegro

1 May 2016 by Majdi Sobain

2D games programming simplicity using RingAllegro Library

game

Size to Fit

1 Jul 2016 by Tomaž Štih

Size the child rectangle so that it fits into given parent rectangle, without distorting it

Dev

Design

Architect

Making a 2D Physics Engine: Shapes, Worlds and Integration

29 Jan 2018 by Arav Singhal

Representing shapes, worlds, and integrating forces and velocities in a 2D physics engine

physics

mathematics

GFX In Depth: Part 2 - E-Paper Displays

18 Jun 2021 by honey the codewitch

Use GFX effectively with e-paper/e-ink displays

How to Sort Two-Dimensional Array in C# by Selected Column Index in Selected Column Sort Order

12 Mar 2024 by Perić Željko

Sorting Multi-Dimensional Arrays in C# with QuickSort Sort Extensions

table

sorting

How can I stop flickering when I have a large number of dynamically created rectangles to display on screen.

4 Nov 2015 by bling

Your paint handler looks strange to me. private void Form1_Paint(object sender, PaintEventArgs e) { gDisplay.DrawImage(bitmap, new Point(0, 0)); }Try this:private void Form1_Paint(object sender, PaintEventArgs e){ ...

Bitmap

graphics

Ability of the L-system in R Comparing to Well-known Tools

10 Jul 2017 by Voevudko A. E., Ph.D.

Demonstrating ability of the L-system in R, and offering helper functions able to plot all main categories of figures typical for the 2D L-system.

Display values while mouse hover on panel.

18 Jul 2017 by Ralf Meier

An example for this could be : using System; using System.Collections; using System.Collections.Generic; using System.Data; using System.Diagnostics; public class myPanel : Panel { public List ClickPoints { get { return myClickPoints; } set { myClickPoints = value; } } private...

Making a 2D Physics Engine: Mass, Inertia and Forces

12 Nov 2018 by Arav Singhal

Calculating the mass and inertia of a body and applying forces to it

physics

mathematics

Drawing an ellipse using C++ with opengl?

15 Apr 2018 by Patrice T

Quote: but using function 'myellipse' makes the animation very slow You want to improve speed, that process is named 'optimization', the tool that help you to spot bottle necks is the profiler. Profiling (computer programming) - Wikipedia[^] Optimization is about being critical about your...

C++

OpenGL

graphics

GFX Part 2: Device Independent Bitmaps

17 Apr 2021 by honey the codewitch

GFX IoT graphics library part 2 - device independent bitmaps

GFX Part 3: Drawing Primitives

25 Apr 2021 by honey the codewitch

Explore the basic drawing functionality provided by the GFX IoT library

GFX Sidebar: Inside the ILI9341 Display Driver on the ESP-IDF

6 May 2021 by honey the codewitch

Explore the inner workings of a highly capable IoT display driver for the ESP32

Development of a Raycast Engine based on JavaScript Technology

17 Nov 2022 by André Marcos (Advisor), José Cláudio Silva, Victor Lopes

This work proposes the development of a Raycast engine in JavaScript to facilitate the 3D game development.

Exploring Electronic Game Development 2D Supported by Unity Engine

17 Nov 2022 by André Marcos (Advisor), José Cláudio Silva, Victor Lopes

Unity Engine support for Electronic 2D game development

Unity2D

Unity

game

How can I convert 2D array of objects to 2D double array?

17 Apr 2015 by Wendell D H

I looked for ways to do it with Array.ConvertAll, but was having trouble.But this should work.This assumes you don't know the sizes of the array dimentions//Your original objectobject saMatrix = new object[3, 3] {{ 11.0, 12.0, 13.0 }, { 21.0,...

C#4.0

conversion

VB] How to Access a 2D array with only one Index ?

22 Dec 2015 by Dave Kreskowiak

You don't. You have to use two indexes. In C, you can get away with it, but VB is a lot more strict.The solution if you want to use one index is to make it a one dimensional array. You'll have to do some additional mathematical coding to access the array using two indexes and generate a...

Unauthorizedaccessexception: access to the path "D:\" is denied.

22 Jan 2020 by F-ES Sitecore

Ensure your account has access to the D;\ drive. If you are creating a project directly in the root of the D drive, or have anything that creates files in the root of the D drive then make sure it doesn't, always work in sub-folders and sometimes access to the root can be blocked. If you don't...

Unauthorizedaccessexception: access to the path "D:\" is denied.

22 Jan 2020 by phil.o

Trying to write anything at the root of a drive will be problematic on any recent Windows version; better create a directory on the D: drive and write your files in it instead.

Python CSV 2D array itteration for specific entries

9 Jun 2020 by Richard MacCutchan

print(accounts.read()) # this reads all the lines from your file, but you don't save the result print(Username, "1") for row in accounts: # there is nothing to read now, since it has all been read above Remove the line print(accounts.read())...

Python

multi-dimensional

CSV

How to Iterate Over the Parametric Curve

29 Dec 2020 by IgorRadionyuk

An iterator over parametric function, which is a well known mathematical abstraction: Parametric Function. It maps interval of real numbers[start, stop] to some values in the range of function.

How to make a 2D array filled with the values 1 through 100

5 Apr 2021 by Dave Kreskowiak

Write it out on paper, with row and column 1 in the top left corner. Write your values out for each row and each column. It should become obvious what the formula for calculating each value at each row and column should be. 10 rows and 10...

Java

GFX Part 1: A Device Agnostic Pixel

11 Apr 2021 by honey the codewitch

A device independent graphics library for IoT devices. Part 1 of a series.

Please help me with this question in C programming.please

25 Apr 2021 by Richard MacCutchan

Quote: nothing because i know nothing. Then I am afraid you will need to start learning. See C Tutorial - Tutorialspoint[^].

Please help me with this question in C programming.please

25 Apr 2021 by Patrice T

Quote: I did not take an introductory course or anything like that so please help. If your claim is true, the only answer is a fail, any other answer is a cheat. More or less, you are requested to win a formula 1 GP before learning to drive a...

Please help me with this question in C programming.please

25 Apr 2021 by OriginalGriff

That's not a "first program" in C at all - it's miles from the traditional "Hello World!" app we all started with. And while we are more than willing to help those that are stuck: that doesn't mean that we are here to do it all for you! We...

How to set limit for columns of 2d array using dynamic allocation in C

28 May 2021 by k5054

The simple thing to do is to add a width specifier to your format string e.g scanf("%32s\n", name[i] However, if you enter a name with spaces in it e.g. "James Earl Jones", then using the %s format, scanf will read this as 3 separate words, not...

Typecasting

static

[tut 9] hand tool (part 2) navigator panel

3 Jul 2016 by The Zakies

we will continue the functionality of the hand tool with having a navigator panel which works as a map, we will also have a red rectangle which tells the user where he is actually viewing inside the whole form, also it can be moved to pan the form

I want to start a game 2D project, what's the best way to start?

10 May 2015 by Peter Leow

You need the right tool to do the jobs right. It is time to start learning new tools. Check this out http://blog.lessmilk.com/unity-spaceshooter-1/[^] and see if that suits you, then go further to http://unity3d.com/learn/tutorials/modules/beginner/2d[^]

game

How to make simple DOS program (without scrolling)

5 Oct 2015 by Stefan_Lang

You might want to check out text user interface libraries such as curses[^]. They allow much more control than system("cls").P.S.: Even though mainly used in UNIX like systems, there are Windows implementations. We still have a curses-based app here that runs on modern Windows systems.

C++

DOS

How to make simple DOS program (without scrolling)

5 Oct 2015 by Patrice T

For information: DOS permit GUI.What you are doing is a console application, or said otherwise char mode application.By using a library like in Solution 2, you will be able to control the position of cursor and color of what goes on screen.What you have been doing until now is called...

C++

DOS

How can I stop flickering when I have a large number of dynamically created rectangles to display on screen.

4 Nov 2015 by ryanba29

I have a large number of dynamically created rectangles to display on screen. Through trial and error I now draw only the rectangles that have changed to a bitmap and the bitmap in a OnPaint event, but i still get flickering. Any suggestions on where I might be going wrong.I'm using VS 2015...

Bitmap

graphics

C# convert ArrayList to 2D int array

17 Dec 2015 by Member 11380736

c#Is it possible to convert a ArrayList to a 2D int[1,13] array ?The ArrayList is all numbers like "1111100000000", "0111110000000".And I want them to look like this:int[,] a = { { 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0 }, { 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0 }, { 0, 0, 1, 1, 1,...

indexes

convert

C# convert ArrayList to 2D int array

17 Dec 2015 by BillWoodruff

You could use Linq to create an int[],[] Array:// requiredusing System.Linq;int[],[] jaggedArray = aList.ToArray().Select(elem => elem.ToString().Select(ch => (int)Char.GetNumericValue(ch)).ToArray()).ToArray()// orint[],[] jaggedArray = aList.ToArray().Select(elem =>...

indexes

convert

VB] How to initialize 2nd array in struct

22 Dec 2015 by Member 11153736

Hello.An error occurs in the place to initialize the array.How Can I Use that array ?It must be a two-dimensional array of character...Thank you. _ Public Structure ST_TEST ...

VB] How to initialize 2nd array in struct

22 Dec 2015 by Tomas Takac

You never initialize the array, that's why redim will throw and exception. And i guess you don't need the jagged array. try this:Public Structure ST_TEST Public _2D_CHAR_ARR(,) As Char '2D arrayEnd StructureDim stTest As ST_TESTstTest._2D_CHAR_ARR = New Char(60, 60) {} ' here...

Help, C# syntax error "expected ; "

3 Apr 2016 by leon de boer

There is nothing wrong with the code are you sure that is the exact code you have?If this is in monodevelop then I suggest you restart unity because that code is fine.The only possibility I can think of is your script file isn't called TyroneController.cs . I remember unity is very...

Unity3D

game

Opengl or GDI to make 2D-game

15 Jun 2016 by deXo-fan

Hi,My friend is sitting next to me playing a game called Terraria, and while it is 2D the graphics are quite advanced.So my question is this: If I wanted to make a similar game, 2D with complicated graphics that involve shadows and light sources and translucency and so forth, would GDI...

C++

graphics

game

Opengl or GDI to make 2D-game

15 Jun 2016 by roks nicolas

well gdi will be slower than opengl, because it s only software rendering.In my opinion... you should use SDL if you want to make your own 2d engine... but you can find actualy 2d engine already made and "just" code the game..... making a 2d engine is already a pretty dawn task...

C++

graphics

game

N queen program: the user is the one that will input the row and column of the position of the queen

20 Sep 2016 by Patrice T

We do not do your HomeWork.HomeWork is not set to test your skills at begging other people to do your work, it is set to help your teacher to check your understanding of the courses you have taken and also the problems you have at applying them. Any failure of you will help your teacher spot...

How do I use cross platform input manger?

21 Feb 2017 by Cuber01

I am working on a 2D Platformer and I am tring to add mobile controlsI am trying to make it so when you touch on the joystick the player will start shooting.What I have tried:I tried to change all of the input.getAxsis with CrossPlatformInputManger.getAxsis but all it did was make me...

Unity

Instantiating custom prefab groups in 2D unity game

4 Jun 2017 by Member 10610621

Guys below is my Code for My PlaycontrollerScript and PlatformMover script what i am trying to achieve here is i want when my player jump on the platform that particular group of platform to go down ,basically like doodle jump ,but as i am doing something wrong here platform groups are spawning...

Unity

Display values while mouse hover on panel.

18 Jul 2017 by Santhosh1217

I drawn a path(using coordinates of selecting area) in the panel.In this I want to display the values while hovering on the panel path.How will I do this? Please Help Me ! What I have tried: points1.Add(new Point(Convert.ToInt16(x), Convert.ToInt16(y))); Pen p = new Pen(Color.Blue, 2);...

Make a java 6x6 gameboard with tiles and a moveable character

25 Jul 2017 by Dave Kreskowiak

No, this site is not a code-for-hire service. You're looking for Freelancer.com. Get out your credit card.

Java

game

Make a java 6x6 gameboard with tiles and a moveable character

25 Jul 2017 by Richard MacCutchan

See The Java Tutorials[^]

Java

game

Make a java 6x6 gameboard with tiles and a moveable character

25 Jul 2017 by CPallini

What's wrong with Google? Have a look, for instance, at this page: Java 2D games tutorial - programming Java games[^].

Java

game

How do I print a random from a 2d array

14 Dec 2017 by Member 13576973

String[][] table = new String[][] { {"Spade","Diamond","Heart","Club"}, {"Ace", "2","3","4","5","6","7","8","9","Jack","Queen","King",} }; String LuckyCard; for (int r = 0; r

Java

How do I print a random from a 2d array

14 Dec 2017 by Patrice T

Learn to indent properly your code, it show its structure and it helps reading and understanding. It also helps spoting structures mistakes. String[][] table = new String[][] { {"Spade","Diamond","Heart","Club"}, {"Ace", "2","3","4","5","6","7","8","9","Jack","Queen","King",} }; String...

Java

ZOOM-in & ZOOM-OUT 2D graphics C#

10 Jan 2018 by Member 11278731

i have to ZOOM-IN & ZOOM-OUT 2D-graphics like (line, Rectangle, circle) which i have draw on winform. I am not used any picture box, panel. I crated simple program to draw circle & on button click try to zoom but it showing error "parameter is not valid" in method Drawing() @ Line-...

.NET

graphics

Drawing an ellipse using C++ with opengl?

15 Apr 2018 by Member 13151067

Iam trying to draw an ellipse that don't move in my project and i use animation in this project but using function 'myellipse' makes the animation very slow this is the code to draw ellipse What I have tried: This is the code to draw an ellipse void myEllipse(int x,int y,float StAngle,float...

C++

OpenGL

graphics

Why is the conditional (highlighted in the code below) detecting a match for values that are NOT defined in the initalized 2d array ....?

2 May 2018 by john ztech

//initialization int validtracks[17][2] = {{1,1}, {1,3}, {1,6},{2,3},{2,6},{3,4},{3,6},{3,8}, {4,2},{4,3},{4,7},{5,3},{5,5},{6,1}, {6,3},{7,1},{7,3}}; //main code while (matchtrack == 0) { rndint = rand() % 7 + 1; for (int r = 1; r

condition

Why is the conditional (highlighted in the code below) detecting a match for values that are NOT defined in the initalized 2d array ....?

2 May 2018 by Patrice T

Quote: Why is the conditional (highlighted in the code below) detecting a match for values that are NOT defined in the initialized 2d array ....? Because in C/C++, 'NOT defined' does not exist. Because C/C++ is unchecked, you are responsible of ensuring that you always access valid positions in...

condition

Can someone help me solve this function please

22 Aug 2018 by Member 13958396

This is my first time doing matlab and I've never coded before. This was a compulsory Uni paper that I have had to take. Prior to this task I've managed to complete various other tasks but this is challenging me beyond what I've learned in the last three weeks. This is what ive got down so far...

I need help with this function! ! ! !

22 Aug 2018 by Patrice T

Quote: SOMEONE PLEASE HELP ME SOLVE THIS?!?!?!?! The help you want is us doing your homeWork. You show no attempt to solve the problem yourself, you have no question, you just want us to do your HomeWork. HomeWork problems are simplified versions of the kind of problems you will have to solve...

Matrix

coding-challenge

MatLab

Can someone help me solve this function please

22 Aug 2018 by Patrice T

So, you show no attempt to solve the problem yourself, you have no question, you just want us to do your HomeWork. HomeWork problems are simplified versions of the kind of problems you will have to solve in real life, their purpose is learning and practicing. We do not do your HomeWork....

I need help with this function! ! ! !

22 Aug 2018 by Vincent Maverick Durano

READ: Programming Problems and Finding Solutions[^] PS: Adding those exclamation marks on the subject line suggests you are late with your homework, it's rude and no one is interested in that. If you want us to help you, then start doing something by yourself. Show us what you've tried and...

Matrix

coding-challenge

MatLab

WestWorld v5

23 Sep 2019 by Terence Wallace

A continuing series demonstration of Finite State Machines (FSM) where agents inhabit a small town called WestWorld.

Unauthorizedaccessexception: access to the path "D:\" is denied.

22 Jan 2020 by OriginalGriff

We can't help you. We don't have access to your code, or your data, or your system: so we have no idea what kind of access you are trying to get to the root of drive D:, or even that D: exists on your computer. Probably it does exist: the error message is telling you that your application (or...

1 exception was raised by workers: see the console for details.

30 Jan 2020 by Richard MacCutchan

java.lang.RuntimeException: Duplicate class com.unity3d.ads.BuildConfig found in modules classes.jar (:UnityAds:) and classes.jar (:unity-ads:) Duplicate class com.unity3d.ads.IUnityAdsListener found in modules classes.jar (:UnityAds:) and classes.jar (:unity-ads:) Duplicate class...

How to simulate an interactive area in 2d and 3d

21 Feb 2020 by Richard MacCutchan

Then you need to do some more research. In the meantime I suggest you also take a look at Code Project Quick Answers FAQ[^] to see how to post a question.

2d scene into 3d scene

17 May 2020 by Christian Graus

A 3D scene has more data so you can't take a 2D scene and automatically make it 3D. You could GUESS the depth of objects but you can't be sure. You can GUESS their thickness in different points, but you can't be sure.

Unity

Python CSV 2D array itteration for specific entries

9 Jun 2020 by DarkJoker666

I am doing a project for a university course to create a banking app using python. This requires a login and the data to be stored in a CSV. The issue I have is to iterate through the 2D array that has data from the csv. Through my debugging the...

Python

multi-dimensional

CSV

Alternate swapping of boundary elements of square matrix

25 Nov 2020 by Richard MacCutchan

Sorry, this site is not here to do your homework. If you really cannot do this the you need to discuss your problem with your teacher.

C++

Matrix

How do I add rows to a 2D arraylist

4 Jan 2021 by Richard MacCutchan

Most likely you are just copying references from the temp array into the main one, so as soon as you clear the temp array, the row in the main array gets cleared. You need to do deep copying of the actual data from the temp array into the main...

Java

How to draw alphabet using java 2D graphics

10 Apr 2021 by Richard MacCutchan

Trail: 2D Graphics (The Java™ Tutorials)[^]

Java

graphics

How to set limit for columns of 2d array using dynamic allocation in C

30 May 2021 by Rahul Dicholkar

the code is written to sort names using dynamic allocation.i need to set limit for numbers of charaters entered by the columns and need to set limit to 32.the code is working but i dont know how to set limit for columns. columns need to set...

Typecasting

static

How to set limit for columns of 2d array using dynamic allocation in C

30 May 2021 by Rahul Dicholkar

sir the above code throws an error: error: too many arguments to function ‘getchar’ 50 | getchar(c); | ^~~~~~~ In file included from class.c:1: /usr/include/stdio.h:492:12: note: declared here 492 | extern int getchar (void); also...

Typecasting

static

Unity 2D send out X amount of "troops" that are equal to the number I put in to a specific target with raycast or something

9 Sep 2021 by Nils Leonhardt

Hello, I'm trying to create a short 2D game where you can wait x amount of time to get for example 50 "troops". This for now works fine, but now I need a script that detects the number of troops I have (at the startpoint) and send them out, just...

Unity2D

casting

How can I make this animation? The fastest way.

15 Nov 2022 by Richard MacCutchan

It is impossible to tell you which package is better, as that depends on too many unknowns. You need to try them for yourself to see which one best fits your requirements.

Python

animation

GUI

How do I print a random from a 2d array

14 Dec 2017 by User 7407470

In this case you should not use a 2d array, but just two arrays: String[] suits = {"Spades","Diamonds","Hearts","Clubs"}; String[] cards = {"Ace", "2","3","4","5","6","7","8","9","Jack","Queen","King"}; int cardLucky = (int)(Math.random() * 13); int suitLucky = (int)(Math.random() * 4); ...

Java

2d scene into 3d scene

17 May 2020 by User 14475602

I have made a puzzle in 2d scene and now I want to put it in complete 3d scene. Is that even possible? How can I do that? In 3d scene, I want to put it where is visible and the player can access it with key on keyboard or somehow like that. Put...

Unity

A Control to Display Pie (and Doughtnut) Charts with Highly Customizable Formatting

14 Apr 2021 by Angelo Cresta

An extension of "A control to display pie charts with highly customizable formatting" from mattsj1984 that also renders doughnut.

.NET

GDI+

[tut5] form communication,multi tab program, custom cursor for each tool

20 Jun 2016 by The Zakies

Learn how to implement a tecnique of a parent form that createes and controls other forms , through the tecnique of using the tab control, also learn how to implement a menu for the tools, and how to add cutom cursor for each tool

Using Sprites Inside Windows Forms

3 Oct 2017 by BouncyTarget

This is an article about making 2D sprites in Windows Forms.

sprites

picturebox

WPF Compatible MS Chart Control

9 Jan 2017 by Jack Xu, USA

This article demonstrates how to convert the WinForm version of the Microsoft chart control into a WPF and MVVM compatible chart control and how to use it to create various charts in a WPF application.

Wheel of Fortune in Java

6 Jul 2020 by Marijan Nikic

An animated random string selection wheel class written in Java AWT

Drawing Recurrence Plots with C#

10 Nov 2016 by Miguel Diaz Kusztrich

An application to draw Recurrence Plots and calculate recurrence quantification measures

Face Alignment According to Eye Position in Emgu CV

17 Sep 2016 by Rajesh Londhe

Face alignment rotation to improve face recognization

A Spritesheet Library and Editor for Win2D

7 Feb 2021 by g96b10

Win2D provides a neat API interface, but how do you render complex sprites for your game? I provide a library and editor to make this a streamlined process.

.NET

UWP

graphics

DrawingView: Simple Generic Winform 2D Drawing Component

22 Oct 2022 by Jean-Claude Lanz

2D Drawing component with Scaling, Zooming, Scrolling, Centering and Resizing capabilities

[tut4] Draw Lines with Circle and Rectangle End

7 Jun 2016 by The Zakies

[tut4] how to draw lines & to draw different types on end shapes like rectangle and circle using C#

[tut 6] Line Drag & Drop & Line Selection

20 Jun 2016 by The Zakies

we will build an outline line around the drawn lines so we would test the mouse click on this outline to know which line is selected. and we would in the coming update build a select function inside the move tool

[tut 7] Drag & Drop points in lines

24 Jun 2016 by The Zakies

in this tut we will create a technique to enable the user to control points within a drawn line, by drawing circles around points of the line , when the user clicks a circle he would control the corresponding point.

Parse SVG Files to Bezier Curves in C++ and Save to PDF

18 Jul 2018 by Michael Moroz