Game Development Weekly Newsletter - Thursday, August 28, 2014

Top new questions this week: Why is H (blinn) used instead of R (phong) in specular shading? I can't find a good reason for this anywhere. The reflection vector used in phong has a simple basis in physics. But the half vector used in blinn seemingly has no rational basis, and does not … shaders fragment-shader shading   asked by BmB 16 votes answered by JarkkoL 13 votes What problem does double or triple buffering solve in modern games? I want to check if my understanding of the causes for using double (or triple) buffering is correct: A monitor with 60Hz refresh's the monitor-display 60 times per second. If the monitor refresh the … rendering double-buffering   asked by krokvskrok 10 votes answered by Trevor Powell 15 votes How does interpolation actually work to smooth out an object's movement? I've asked a few similar questions over the past 8 months or so with no real joy, so I am going make the question more general. I have an Android game which is OpenGL ES 2.0. within it I have the … android interpolation lerp extrapolation   asked by user22241 4 votes Utility of submesh class in a 3d game engine? I've read somewhere that we use sub mesh for being able to give different materials to one mesh. But why not simply do this with scenegraph ? I mean you have a car mesh, and instead of using … 3d architecture scene-graph   asked by user2591935 3 votes answered by Coburn 2 votes Implementing a motorized hinge joint I have a 2d physics engine, with three boxes: "body", "left wing" and "right wing". The wing boxes are connected to the body using a hinge joint. The physics world has no gravity. I'm attempting to … physics 2d-physics   asked by OpherV 2 votes answered by RandyGaul 0 votes How to avoid subpixel values in a resolution independent 2D game with orthographic projection? I'm trying to do resolution independent rendering of moving sprites in a 2D game. My plan is work in a fixed coordinate system in my world (for example 960x540) and use orthographic projection to … opengl 2d opengl-es2   asked by Eric 2 votes Any way to embed Pygame in webpages? I have a Pygame game, and I was wondering if there was any way to embed it into a webpage to make it easily playable, or if there is a games website that accepts Pygame games. python pygame   asked by JThistle 2 votes answered by Roy T. 5 votes Greatest hits from previous weeks: Game Maker: How do I make a score display move with the view? I have drawn everything needed to the screen including a HUD for the score, but I have my room set to follow my player: When the camera follows the player, the score HUD stays doesn't scroll with him! … camera game-maker hud   asked by Chris Zakos 3 votes answered by Chris Beamond 4 votes How does Flow Field pathfinding work? Supreme Commander 2 has something called flow field path finding. How does it work? Is there some article available I can read up on how it works? path-finding   asked by Spoike 30 votes answered by tenpn 18 votes Can you answer these? Algorithms for positioning rectangles evenly spaced with unknown connecting lines I'm new to game development, but I'm trying to figure out a good algorithm for positioning rectangles (of any width and height) in a given surface area, and connecting them with any variation of … javascript html5 rectangles spaces lines   asked by MacGyver 1 vote How to implement efficient Fog of War? I've asked a question how to implement Fog Of War(FOW) with shaders. Well I've got this working. I use the vertex color to identify the alpha of a single vertex. I guess the most of you know what the … unity shaders fog-of-war   asked by Cambrano 1 vote How to make a text of several letters animate, only with an animation I wonder if it is possible to create an animation in a text with a single "animation". The problem is that for me to reach the desired effect I need to create an animation for each letter, as each one … 2d unity animation   asked by Igao 1 vote

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