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      Download the Game Design and Indie Game Marketing Freebook   07/19/17

      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.


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About Med_Ved12

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  1. Thank you. I think its just one of those things where you need to step back and actually read the code and see whats going on. Really, thanks so much.
  2. In my program, the w,a,s,d keys control movement. I can get either w+a or s+d to work, but not both. Here is the input class: [source lang="python"]class inputs: videomode = None l = False r = False u = False d = False run = True def getkeys(self): for event in pygame.event.get(): if event.type == pygame.QUIT: self.run = False keys = pygame.key.get_pressed() if keys[pygame.K_a]: self.l = True else: self.l = False if keys[pygame.K_w]: self.u = True else: self.u = False if keys[pygame.K_d]: self.r = True else: self.r = False if keys[pygame.K_s]: self.d = True else: self.d = False[/source] Here is the input function in the game class (where i suspect the problem is): [source lang="python"]def iupd(self): self.i.getkeys() if self.i.r: self.player.vx = self.player.speed else: self.player.vx = 0 if self.i.l: self.player.vx = -self.player.speed else: self.player.vx = 0 if self.i.d: self.player.vy = self.player.speed else: self.player.vy = 0 if self.i.u: self.player.vy = -self.player.speed else: self.player.vy = 0[/source] I suspect that something's happening where the right and down get canceled out by the left and up, but I can't see how to correct this. Please help!
  3. Alright, i think i get what you're saying. So i don't need to check top, left, bottom, right, but rather x and y collision? Thanks for the help.
  4. So I've started working on an extremely simple 2d tiled sidescrolling engine, using pygame (i know, but pretty much only for rendering + input). The problem is that the way that I've set up collision detection causes an object to stop moving in all directions when it hits another object. Here's the code for collision detection: [source lang="python"] def checkcollision(ob1, ob2): if(ob1.x+ob1.w > ob2.x and ob1.x < ob2.x+ob2.w): if(ob1.y+ob1.h > ob2.y and ob1.y < ob2.y+ob2.h): return True else: return False else: return False def collision(): for atile in mainarea.tiles: if(checkcollision(player,atile)): player.move(-player.vx, -player.vy) player.vx = 0 player.vy = 0 [/source] My question is, how can I implement collision detection that will only stop movement along one axis, but allow the other axis to keep moving (cause 'sliding' along walls instead of sticking)? I apoligize if I'm asking in the wrong place, but it seems like a rather general question, and I didn't want to put this under physics, as I do not think it qualifies.