14 Unanswered Topics
Remove Filter  | Hello, I am having a bit of an issue with my networking addition to my game engine. The engine uses SDL to provide an event-driven programming environment. I tried adding networking functionality, but it doesn't seem to work. Here is the relevant code: //includes #if defined(_WIN32) #include <winsock2.h> typedef int … |
| | Hello, I am working on a moderately large web development system and have been charged with developing the server-side application for the web site. As a primarily local developer I have by far the most experience in C/C++. My favourite language is Ada, just to give you a sense of … |
| | Hello, I posted on this forum two times before about a particular pair of non-printing characters being inserted into my code. You can find the threads [here](https://www.daniweb.com/software-development/threads/441611/stray-non-printing-characters-in-my-programs) and [here](https://www.daniweb.com/software-development/cpp/threads/450296/arbitrarily-appearing-non-printing-character). Two great posters tried their best to solve this problem (mike_2000_17 and deceptikon) to no avail. Finally, using the hints that … |
| | Hello, I have an issue with a plain TeX document I am writing. I need to compile drawings as well as images into pdfs. I know how to get images into a pdf using \pdfximage which works if I compile with pdfTeX. I also know how to get drawings into … |
| | Hello, I have learnt a few assembly languages (MIPS/x86/ARM/MIX) and I have a question about the call stack. Each of those languages uses a different method for subroutine linkage, and the way I learnt them was not conducive to recursion. Granted, if I continue reading my copy of The Art … |
| | Hello, Unfortunately I learnt OpenGL from NeHe tutorials, which means that all of my current methods for OpenGL-ing are extremely deprecated. I tried to find a more up-to-date tutorial, but all they seem to do is teach how to get really complicated stuff out of OpenGL. I just want to … |
| | Hello, I am working on making myself a digital clock (as a fun little project) and I want to have two buttons, one to increase a value (like the hour) and one to decrease, mainly because I am tired of the clocks where you have to button mash the 'increase' … |
| | Hello, I am very familiar with most of the sorting algorithms that are taught in first year university (as I just finished my first year in software engineering at the University of Waterloo). As such my current go-to sorting algorithms are insertion (on mostly pre-sorted data, or data where I … |
| | I want to use opengl to draw some stuff, not to the screen but to a data buffer instead. Is this possible? IE: uint32_t *data; glSetDrawTarget(data,GL_RGBA|GL_UNSIGNED_INT_8_8_8_8);//this is the line I cannot figuro out how to do glBegin(GL_TRIANGLES); //... glEnd(); //and now my buffer is full of custom data glSetDrawTarget(NULL,NULL);//reset to … |
| | I have the following code to draw a scene to opengl, but nothing shows up, just a blank screen! void glCameraDraw(const LABglCameraHANDLE h, LABglWindowHANDLE LABglGlobals) { if (!h->isProjected)//check to see if h's projection is loaded { glMatrixMode(GL_PROJECTION); glLoadIdentity(); //LABglGlobals->LABglDimensions are the screen dimensions gluPerspective(h->fov,(float)LABglGlobals->LABglDimensions.right/ (float)LABglGlobals->LABglDimensions.bottom, h->front,h->back); h->isProjected=true; } //set the … |
| | I want to find a range of values that a valid pointer cannot achieve, but can store. Basically this is my situation: typedef struct myNumberTAG { //stuff }*myNumberHANDLE; //A bunch of functions that work with myNumberHANDLEs: ///Not Shown //Some constants const myNumberHANDLE numberOne=0x1; const myNumberHANDLE numberTwo=0x2; const myNumberHANDLE numberInfinity=0x3; const … |
| | I have the following collision detection function that checks the collision between the line defined by lstart -> lend and the triangle defined by points a,b and c with a normal of nvec. I want to know if it will work and what to put into the missing part. (it … |
| | I have a difficult function to write and I have no idea where to begin. Here is the definition of what I need to write: "A function f(x,y) which returns true if the binary number formed by concatenating the bits of x, 8*y-1 zeroes and a one is prime, false … |
| | I type using the Dvorak simplified keyboard, but I have a programming competition in a few weeks during which I have to use their keyboards, or I can plug in my own. The problem is that my keyboard is a soft-wired Dvorak keyboard (ie: The keys say dvorak letters but … |
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