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      GameDev.net and CRC Press have teamed up to bring a free ebook of content curated from top titles published by CRC Press. The freebook, Practices of Game Design & Indie Game Marketing, includes chapters from The Art of Game Design: A Book of Lenses, A Practical Guide to Indie Game Marketing, and An Architectural Approach to Level Design. The GameDev.net FreeBook is relevant to game designers, developers, and those interested in learning more about the challenges in game development. We know game development can be a tough discipline and business, so we picked several chapters from CRC Press titles that we thought would be of interest to you, the GameDev.net audience, in your journey to design, develop, and market your next game. The free ebook is available through CRC Press by clicking here. The Curated Books The Art of Game Design: A Book of Lenses, Second Edition, by Jesse Schell Presents 100+ sets of questions, or different lenses, for viewing a game’s design, encompassing diverse fields such as psychology, architecture, music, film, software engineering, theme park design, mathematics, anthropology, and more. Written by one of the world's top game designers, this book describes the deepest and most fundamental principles of game design, demonstrating how tactics used in board, card, and athletic games also work in video games. It provides practical instruction on creating world-class games that will be played again and again. View it here. A Practical Guide to Indie Game Marketing, by Joel Dreskin Marketing is an essential but too frequently overlooked or minimized component of the release plan for indie games. A Practical Guide to Indie Game Marketing provides you with the tools needed to build visibility and sell your indie games. With special focus on those developers with small budgets and limited staff and resources, this book is packed with tangible recommendations and techniques that you can put to use immediately. As a seasoned professional of the indie game arena, author Joel Dreskin gives you insight into practical, real-world experiences of marketing numerous successful games and also provides stories of the failures. View it here. An Architectural Approach to Level Design This is one of the first books to integrate architectural and spatial design theory with the field of level design. The book presents architectural techniques and theories for level designers to use in their own work. It connects architecture and level design in different ways that address the practical elements of how designers construct space and the experiential elements of how and why humans interact with this space. Throughout the text, readers learn skills for spatial layout, evoking emotion through gamespaces, and creating better levels through architectural theory. View it here. Learn more and download the ebook by clicking here. Did you know? GameDev.net and CRC Press also recently teamed up to bring GDNet+ Members up to a 20% discount on all CRC Press books. Learn more about this and other benefits here.

zealotscout

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  1. OpenGL

    Forgot to mention, before I get a law suit. I've been using some of NeHes code and lazyfoo's code to get my project running. If that helps any way.
  2. Hello everyone on gamedev, Currently a new programmer to open gl working on a University proyect which revolves around making a short 1min~2min video. My main source of animation is flipping through frames on various sprites sheets via translating gltextcoords and placing them onto a given quad. Everything would be cool and all but i've got a few problems. My video involves a scrolling background, and character walking in place; The scene is simulating the character walking and the background moves accordingly. So... basically I have no idea how I'll get both sprites to move at the same time. Also, I'm using sdl_image with my sprites so I can get some transparencies. Another problem arises is when I shift through frames on a walk cycle. Each frame is printed on screen, then over written by the next but all the past frames are printed. All I want showing is the current frame and not all the others at the same time. I'll post some pics describing my issues. In a nut shell I need help on. 1st.Making a background scroll while at the same time playing a walk cycle of a character in front of it. 2nd. Whilst the character is doing his walk sequence, I need to only display the current frame and not all the rest. This is the code I'm using to create the "animations" the walk cycle void malecycle1() { malewalk = loadTexture("walkcyclefinal.png"); glBindTexture(GL_TEXTURE_2D,malewalk); for(float add=0.00;add<1.00;add=add+0.0625) {//glClear( GL_COLOR_BUFFER_BIT ); glBegin(GL_QUADS); // se comienza el dibujado del quad que contiene la imagen glTexCoord2f( +add, 0 ); // coordenada proporcional a lo que se va mostrar en pantalla glVertex3f( 0 ,144, 0 ); // Bottom-left vertex (corner) glTexCoord2f( 0.0625+add, 0 ); glVertex3f(256 ,144, 0 ); // Bottom-right vertex (corner) glTexCoord2f( 0.0625+add, 1 ); glVertex3f(256 , 400, 0 ); // Top-right vertex (corner) glTexCoord2f( +add, 1 ); glVertex3f( 0 , 400, 0 ); glEnd(); SDL_Delay(100 ); SDL_GL_SwapBuffers(); // glDeleteTextures( 1, &texture3 ); } } scrolling background GLuint texture; // Texture object handle SDL_Surface *surface; // Gives us the information to make the texture // if ( (surface = SDL_LoadBMP("sprite.bmp")) ) { surface = SDL_LoadBMP("background22edit.bmp") ; // Check that the image's width is a power of 2 glGenTextures( 1, &texture ); // Bind the texture object glBindTexture( GL_TEXTURE_2D, texture ); // Set the texture's stretching properties glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR ); glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR ); // Edit the texture object's image data using the information SDL_Surface gives us glTexImage2D( GL_TEXTURE_2D, 0, 3, surface->w, surface->h, 0, GL_BGR, GL_UNSIGNED_BYTE, surface->pixels ); glBindTexture( GL_TEXTURE_2D, texture ); for(float x= 0;x<1.0;x=x+0.025) { glBegin(GL_QUADS); // se comienza el dibujado del quad que contiene la imagen glTexCoord2f( x, 0 ); // coordenada proporcional a lo que se va mostrar en pantalla glVertex3f( 0,0, 0 ); // Bottom-left vertex (corner) glTexCoord2f( .3333+x, 0 ); glVertex3f( 640,0, 0 ); // Bottom-right vertex (corner) glTexCoord2f( .3333+x, 1 ); glVertex3f(640, 480, 0 ); // Top-right vertex (corner) glTexCoord2f( x, 1 ); glVertex3f( 0, 480, 0 ); glEnd(); SDL_Delay(150); SDL_GL_SwapBuffers(); } // glutSwapBuffers(); } Any help will be much appreciated and I hope this wall of text is correctly placed within this forum. Thanks in advance.