Game Development Weekly Newsletter - Thursday, November 27, 2014

Top new questions this week: How do I tell if my enemy can see my player? Given a player and an enemy with position, and given the direction vector of each, how can I tell if one can "see" the other? In other words, how do I test if one position with direction is in front ... mathematics ai vector   asked by izb 10 votes answered by Shittypeete 14 votes physically based shading, how to combine specular & diffuse parts? After writing 'standard' phong & blinn shaders for a while, I recently started to dabble in physically based shading. A resource that helped me a lot are these course notes, especially this paper ... opengl shading   asked by gemse 5 votes Player acceleration formula and using it with authoritative server I know the theory behind authoritative client-server architecture, it works very well for character movement in a tile-based world: you send messages like "I moved one square to the right", the server ... movement multiplayer client-server   asked by cubrman 3 votes answered by david van brink 0 votes Jelly ground collision For fun I am trying to replicate the mechanics from The Floor is Jelly. So far I have successfully created "jelly islands/blocks" which are represented by an array of points and then drawn by using ... 2d collision-detection physics game-mechanics   asked by Kinru 3 votes answered by Gigggas 0 votes Parallax effect for layers in Unity2D I have a simple game scene where i have put a number of images. I combined these images into layers (SortinLayer, to be specific). So now I have 3 layers. I have read a few tutorials, but in them was ... unity 2d parallax-scrolling   asked by bukka.wh 2 votes How to restore purchases made with virtual currency from the App Store? (iOS) I want to award coins for doing thing in my app and let users purchase things with the coins that are non-consumables. I also want to let users purchase coins as IAPs. How do I keep track of what has ... ios in-app-purchase   asked by Blankasaurus 2 votes answered by Kolja 0 votes Modular enemy behaviour in a shmup - Delegates unsuitable? I'm creating a shmup type game and trying to implement the enemy wave system, which includes the associated enemy behaviours like their movement and bullet patterns. I've tried to separate the ... c# unity architecture   asked by Joe Staines 2 votes answered by Ben 1 vote Greatest hits from previous weeks: What's the most efficient way to find barycentric coordinates? In my profiler, finding barycentric coordinates is apparently somewhat of a bottleneck. I am looking to make it more efficient. It follows the method in shirley, where you compute the area of the ... barycentric-coordinates   asked by bobobobo 11 votes answered by John Calsbeek 12 votes Why is Minecraft's default resolution (seemingly) non-standard? Background: I'm writing some articles on Minecraft in an attempt to introduce 10-year olds to development through modding. I know very little about the game itself, though :) I'm trying to understand ... opengl minecraft   asked by Jedidja 5 votes answered by Byte56 13 votes Can you answer these? What causes sprite tearing / corruption in unity PC stand alone running on Windows XP? The image below is representative of my client's experience running the released version of an app I created for him on his Windows XP Machine. I built it using Unity 4.5. The messed up buttons ... unity sprites   asked by OverCodingUnderSleeping 1 vote How do I fill a shape with a texture in Libgdx? I am making a 2D racing game. I want to fill the area of the ground object with a texture. I have the shapes of the ground (a Box2D shape). If I make images of the ground with textures, it uses a lot ... opengl java textures libgdx   asked by Abel Ghazinyan 1 vote Understanding diffuse lighting in The Division Here is a screenshot of the main character walking under a bright lamp: His hat, that was originaly dark grey, turns completely white. My question is how can such lightsource do this without making ... shaders lighting   asked by cubrman 1 vote

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