C/C++ :: Search Simple Window Library For OpenGL

Sep 7, 2014

I search for a really simple window library with a OpenGL context. I really only want to create window, I don't want a GUI library like wxWidgets. The best would be, if the library is cross platform compatible. In Google I only find very big libraries with widgets and other stuff.

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C++ :: How To Make A Simple 3D Cube With OpenGL

Nov 26, 2013

I am using SFML CodeBlocks and OpenGL i am not very good in OGL ...

i want 2 know how to make a simple 3d Cube with OGL ...

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C :: Linking To OpenGL Library - Unrecognized Command Line Option

Mar 11, 2013

I am running ubuntu and have tried adding -1GL to the end of my gcc compiling commands but the error says "unrecognized commandline option: 1GL". do i have to install any packages to get this to work?

Its supposed to be an l not a 1.

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C++ :: Cross Platform Library For Simple Dialogues

Oct 17, 2013

In my game, I want to display dialogues for exceptions, and I don't really want to use something heavy like Qt, but then I also don't want to write and maintain my own platform-specific code to do it. Is there any library that can display simple message dialogues, just a few lines of text and an OK button, without being complete overkill like a full-blown GUI library?

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C :: Simple Search - Any Single Numbers In Array

Jul 13, 2013

I wrote a code which checks if there are any single numbers in an array.e.g.In the next array there is a single number - "3" 4 1 4 3 4 1..Here is an array which doesn't have single numbers in it: 4 1 4 3 3 1

Code:
#include <iostream>
using namespace std;
int single (int arr[], int size)
{
int couple=0;

[Code]....

First I thought to double the number of couples I'll get from my search and find some connection to the length of the array, but it hasn't worked out (signed red).

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C++ :: Simple Dictionary Search - No Contents Found

Feb 8, 2013

There is no content when i search word in the dictionary.txt....this is my example of dictionary.txt...in the add case it is working,,only in search case...

--------------
dictionary.txt content.
--------------
mwet-asd.
test-test.
apple-prutas.
beryy-berry.
house-house.
--------------

#include <iostream>
#include <fstream>
#include <string>
#include <conio.h>
using namespace std;
int counter=0;
char op;

[Code] .....

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C :: Simplifying A Simple Linked List With Search Function

Jun 5, 2013

Code:
#include <stdlib.h>
#include <string.h>
#include <stdio.h>

struct node
{
int data;
struct node *next;

[Code] ....

It fills the singly-linked list with 0 through 9 and calls a function to prompt the user to search for a number. I don't see any glaring errors, I was just wondering what could be done to simplify it or if there's anything I missed.

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C++ :: Path To Library Files In Search Directories

Dec 28, 2014

Using CodeBlocks. I've added the path to the library files in 'search directories' in 'linker' tab.

E:DataCompLibrarySDL2-2.0.3libx86

I also added the include files location in 'search directories' and that works fine.

But still when I add 'SDL2.lib' in linker settings and try to compile I get: cannot find -lSDL2.lib

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C++ :: Shared Library Vs Static Library?

Jan 17, 2014

I've been reading about libraries; How to make them, how to use them, the different types of libraries, etc..

When using a shared library, does the program require that library to be installed on the computer after the program has been compiled into an .exe?

Ie.. if somebody downloaded a "Helloworld.exe" that I had compiled on my computer using a shared library (that wasn't part of a standard operating system), would they also need that shared library on their computer for the program to run without errors?

and for Static Libraries, when I compile a program using a static library, does it include in the final binary only the functions of the library that are actually used, or does the compiler add in the entire library?

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C++ :: Search And Find The Shortest Queue And Search After Some Condition?

Mar 7, 2013

I am trying to implement a Task scheduler where i have n number of tasks. The Idea behind my task scheduler is that in a loop of queues of a vector, task should get enqueued to the shortest queue among the loop of queues, which is done by the following code.

#include <vector>
#include <queue>
std::vector<std::queue<int> > q
int min_index = 0;
task t // implemented in the other part of the program

[Code] ....

Next i am trying to extend this paradigm to reduce the overhead time of the scheduler, Instead of searching the shortest queue every time, search after some condition ie. search the shortest queue after 5 tasks gets enqueued to the shortest queue.

i need to do something like this

#include <vector>
#include <queue>
std::vector<std::queue<int> > q
task t // implemented in the other part of the program
while(q[min_index].size()!=q[min_index].size()+5) // check whether current min_index queue's size is increased 5 more times if not goto enqueue

[code].....

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C++ :: Binary Search And Sequential Search Algorithm

Sep 16, 2013

Write a program to find the number of comparisons using the binary search and sequential search algorithms

//main.cpp
#include <cstdlib>
#include <iostream>
#include "orderedArrayListType.h"
using namespace std;
int main() {
cout << "." << endl;

[code]....

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C++ :: Binary Search Or Linear Search For 3D Array

Oct 7, 2014

inputting a search array. I tried putting a binary search but I can't get it to work. everything else works up until I put the value I am searching for in the array, then it just crashes.

How it suppose to work: input 2 coordinates with a value each then it calculates the distance between them then it suppose to let user search the coordinates for a value and state if found which coordinate it is at.

#include "stdafx.h"
#include <iostream>
#include <iomanip> //for setprecision
#include <math.h>

[Code].....

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C++ :: OpenGL And 2D Games

Sep 12, 2013

How I can make 2D games in OpenGL. I have sprites, but when I load them in game, they're all big and stuff, not pixel for pixel how I'd like them. How can I do this?

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C++ ::  Use DirectX Or OpenGL?

Feb 6, 2014

I am because I don't know what to use OpenGL or DirectX? I heard some people saying I can use both. How is this? What is better for online games? And when I choose I will need some tutorials too ....

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C++ :: OpenGL - Draw On Top Of Image

Jun 22, 2014

This is my first time using opengl and I am experimenting with adding/drawing polygons/points/etc. on top of a PPM image. The image is already loaded when the application runs. My attempt to draw a square is from lines 30 - 35. The program runs but the square is not present. Just the image.

#include<windows.h>
#include <stdio.h>
#include <stdlib.h>
#include<Gl/gl.h>
#include<GL/glut.h>

int n;
int m;
int *image;

[Code] ....

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C++ :: How To Draw A 3D Snake In OpenGL

Jan 3, 2014

i want to draw a 3D snake in opengl.. i can't get nothing out of my search to make a start.. how it is made

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C++ :: Taking A Screenshot In OpenGL

Sep 14, 2013

I've read up on .bmp files on wikipedia and am currently attempting to make a function that can export a .bmp file of the screen of my programs. I've already begun work on it but it isn't working. The code I have so far is:

typedef char Byte;
typedef int Byte4;
typedef short Byte2;
struct BMP_Header {

[Code] ....

My problems are that when less then the required amount of bytes is needed to store a value in the file, the 00 bytes are skipped (Ex. The file will contain 42 instead of 42 00 00 00), and the Pixels are stored as nothing but 0D ( every value intended for storing pixel data is 0D ).

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C++ :: Textures White In OpenGL

Nov 17, 2013

I don't know why, but textures in OpenGL are white. One day, I must've change something, and now my textures wont load properly. I tried rewriting my code that loads things multiple times, my textures still are white. Here is my code:

(I switched back to the FF pipeline temporarily, in my other projects I use shaders.)

Sprite.hpp

#include <SDL.h>
#include <SDL_opengl.h>
#include <fstream>
#include <iostream>
#include <string>
#include <vector>

#ifndef _SPRITE_H_
#define _SPRITE_H_

[Code] ....

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C++ :: How To Make Fractals With OpenGL

Jan 20, 2013

Where can I learn how to make fractals with opengl?

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C/C++ :: Fix Upside-down Characters In OpenGL?

Jun 20, 2014

I'm printing characters on a texture map using OpenGL and GLUT with C++. The problem is that when they appear on the map the x-coordinates are correct but the y-coordinates are upside down. The coordinates are being read from an input file and are in the form x,y with a semicolon separating each xy pair. I tried putting a negative sign in front of the y-coordinates to see if that would force the characters to go in the right place but that just made minus signs appear on the screen. Is there a function in OpenGL/GLUT that can invert coordinates by a certain value?

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C++ :: Designing Object In Solidworks -> OpenGL?

Jul 11, 2014

If I wanted to design an object in SolidWorks, and then output that object (I guess as a .stl file), is it possible to open that up and manipulate using openGL? How would I go about doing that?

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C++ :: How To Convert Pixel To Coordinate In OpenGL

May 23, 2013

How can i convert pixel to [-1..1]coordinate in opengl? Which function? I want to write a program that is work with

glutmousefunc(),

When I click on the screen a ball is appear on it where clicked. but mouse work with pixel and circle work with coordinate between -1 and 1 ....

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C++ :: Print Score In SDL With OpenGL Using Ostream?

Mar 5, 2013

I am using the following code to print in SDL screen

SDL_GL_RenderText( timer, font, color, &position);
sprintf(timer," Time : %d",time);

to print in SDL screen(used with opengl) , i am doing project on C++, as "sprintf" is C style function , so i can't do like this , i am trying to use" ostringstream" , but i am not sure how to use it.

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C++ :: Compile OpenGL Program In Ubuntu

Aug 15, 2014

I am trying to compile an OpenGL program in Ubuntu.This program opens a blank window.

Code:

#include <GL/glew.h>
#include <GLFW/glfw3.h>
#include <cstdio>
#include <iostream>
int main(int argc,char* argv[])

[code]....

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C++ :: Create 3D Game Engine With OpenGL?

Jul 19, 2013

What i'm trying to do is create a 3d game engine with opengl and i want to be multi platform. I'm trying to use code-blocks for this reason but i'm having trouble setting up opengl for code-blocks

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C++ :: GLSL Heightmap Coloring (OpenGL)

Aug 27, 2013

I recently made a heightmap, it uses a triangle strip /row, and I try to figure out how can i color the triangles one by one. So, for example I have a color array of 9:

[0.0f,0.2f,0.6f //a triangles first vertex
0.0f,0.4f,0.3f //second vertex
0.0f,0.7f,0.2f] //third vertex

And I want to use it to color all triangles with it. My heightmap coords are in a vector:

vector<GLfloat> hmapcrds [x1,h1,z1; x2,h2,z2;...]

Like this:

c1 c2 c3 c4 c5 //row 1
c6 c7 c8 c9 c10 //row 2 coordinates

index array:c6->c1->c7->c2 ...cn->c(n-rwosize)->c(n+1)->cn->c(n-rwosize+1)

I draw my elements with a VAO and drawelements/row; (i tried drawrange but didnt work)
...
glGenVertexArrays(1,&VertArrObj);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,indexBuffer);
glBufferData(GL_ELEMENT_ARRAY_BUFFER,sizeof(GLuint)*v_heightIndexes.sie(),&v_heightIndexes[0],GL_STATIC_DRAW);
glBindBuffer(GL_ARRAY_BUFFER,vertexBuffer);

[Code] ....

I think it want to index my color array too, so how can i do that it only reads the 3 colors from my array, the repeat it /vertex/triangle till the end of drawing.

The shaders work fine, i changed the map to a triangle so it applied these colors, but with the map "I see only darkness before me".

with my working shader without color "in" - height coloring: [URL] ....

(I also want to do texturing per triangle.)

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