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  • How to handle a Tile Map Scrolling [duplicate]

    - by DGomez
    This question already has an answer here: Implementing a camera / viewport to a 2D game 1 answer i'm making a video game, and i'm having, i think, a concept problem. The game will be a platformer which will use tile maps, so to start i will create a mask matrix indicating the tiles to be loaded, and etc..., so my problem is, how to handle the scrolling? should i create a giant mask matrix indicating in each position of the whole level what is supposed to be loaded, and according to the position of the player, change the section to be drawed?? Is this a correct approach to this situation??

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  • Viewport.Unproject - Checking if a model intersects a large sprite

    - by Fibericon
    Let's say I have a sprite, drawn like this: spriteBatch.Draw(levelCannons[i].texture, levelCannons[i].position, null, alpha, levelCannons[i].rotation, Vector2.Zero, scale, SpriteEffects.None, 0); Picture levelCannon as being a laser beam that goes across the entire screen. I need to see if my 3d model intersects with the screen space inhabited by the sprite. I managed to dig up Viewport.Unproject, but that seems to only be useful when dealing with a single point in 2d space, rather than an area. What can I do in my case?

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  • Most efficient way to generate 2D portraits

    - by user1221
    Hey, I am not sure if this is a fitting question for gamedev, or if it is too art related. I am currently trying, to create 2D character protraits for my game. At first I tried to draw them and even though it helped polishing my drawing skills the end result either required way too much time or it simply looked like it was created by a grade school kid. So I am currently looking into some tools which from which people like me who are not out of the art-world might benefit. Especially tools which can create a 3D head+hair, so that I can render them. I have tried several 3D generation tools such as makehead and makehuman to create the basic head-shape. But I have to admit I am not well versed in what other options are available/what has the best quality/etc.

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  • Lag compensation with networked 2D games

    - by Milo
    I want to make a 2D game that is basically a physics driven sandbox / activity game. There is something I really do not understand though. From research, it seems like updates from the server should only be about every 100ms. I can see how this works for a player since they can just concurrently simulate physics and do lag compensation through interpolation. What I do not understand is how this works for updates from other players. If clients only get notified of player positions every 100ms, I do not see how that works because a lot can happen in 100ms. The player could have changed direction twice or so in that time. I was wondering if anyone would have some insight on this issue. Basically how does this work for shooting and stuff like that? Thanks

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  • How Local Search Engine Optimization Helps For Getting More Target Visitors

    In recent years, local search engine optimization has gained wide popularity to pull the attention of many visitors. Today it has become much needed and industry-accepted marketing tool, and many webmasters and local business owners are looking to gain benefit from it. In this article, know how local search engine optimization can help you get more target visitors.

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  • Determine how to display a tile based on surrounding tiles

    - by Jsmith
    I have a game engine which generates maps randomly, set on a 2d grid which is composed of 34px square graphical tiles. These tiles can be displayed in any of three ways, wall, corner, and floor(exists in 2 states, passable and impassible), and four directions, north, south, west and east. What I need to do is, based on the tiles around each individual tile, determine which state to display the tile in, e.g. north wall, northeast corner, floor so that when a player alters the map, the tiles around the affected tile adjust themselves to suit(i.e. tunneling). In case it becomes important, all gameobjects are inherited from the same class, whether they be players, NPC's, walls, or items.

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  • hotkeys do not work sometimes in ubuntu 12.04

    - by stepank
    I use Ubuntu 12.04 with Unity 2D and I've stumbled upon this issue: sometimes shortcut keys stop working in some windows. For instance, I have these windows opened usually: Google Chrome, Terminal, Skype, Pidgin. Sometimes everything is OK and shortcuts work no matter what window I hit them from, however, hotkeys hit from Skype (more often) or Pidgin (less often) do not work, but they still work from Terminal or Google Chrome. Moreover, not all hotkeys are affected, the problem holds only for locking the computer (Ctrl + Alt + L) and other custom shortcuts like executing some command or launching a program (I used zenity --entry with [Super | Ctrl] + [some letter: K, N, etc] for testing). Does anyone have a clue what is causing the problem and how to fix it?

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  • How Search Engine Optimization Can Improve Your Business

    Before I move on to how Search Engine Optimization in Toronto can improve your business, you need to familiarize yourself with search engine optimization (SEO). Many people think SEO is a very complex process with many steps and procedures involved. It is true to a certain extent as there are many things which have to be done in SEO, but SEO is simplified if you know the basics well.

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  • Search Engine Optimization - Three Mistakes to Avoid

    Search engine optimization (S.E.O) on your website, that is to say altering the layout and internal structure of your website to make it more readable and accessible to the search engines, can be the making of your online presence. Time spent search engine optimizing is normally well spent. However, there are some pitfalls and traps that you can fall into.

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  • 2D Topdown Shooter Mouse Movement

    - by Jarmo
    I'm trying to make a topdown 2D space game for my school project. I'm almost done but I just want to add a few little things to make the game more fun to play. if (keystate.IsKeyDown(Keys.W)) { vPlayerPos += Vector2.Normalize(new Vector2(Mouse.GetState().X - vPlayerPos.X, Mouse.GetState().Y - vPlayerPos.Y)) * 3; rPlayer.X = (int)vPlayerPos.X; rPlayer.Y = (int)vPlayerPos.Y; } if (keystate.IsKeyDown(Keys.S)) { vPlayerPos += Vector2.Normalize(new Vector2(Mouse.GetState().X - vPlayerPos.X, Mouse.GetState().Y - vPlayerPos.Y)) * -3; rPlayer.X = (int)vPlayerPos.X; rPlayer.Y = (int)vPlayerPos.Y; } This is what i use to move towards and away from my mouse crossair. I tried to make a somewhat similar function to make it strafe with "A" and "D". But for some reason I just couldn't get it done. Any thoughts?

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  • Deciphering a Search Engine Optimization Analysis

    A search engine optimization analysis is a tool that web developers can use to track how well their sites are showing up on the most popular search engines. There are several types of analysis software and services available that will give a good reading of your website's real optimization level. Ideally, a business website will be ranked near the top of search engine results, which will drive more traffic to the site.

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  • How to handle jumping up a slope in a runner game?

    - by you786
    In an 2D endless runner, what should happen when the player is running "too fast" up a slope and jumps? For example, in a "normal" case: .O. . __..O_____ . / . / O/ _/ If he is moving to the right slowly enough, he will jump upwards and land on the flat part of the surface. However, if he is moving too fast, the jump will have no effect as his forward motion will bring him back in contact with the slope before he can get high enough to pass over it. When the speed is sufficiently high, there will effectively be no jump. _________ / .O/ O/ _/ Are there any known ways to solve this issue? I know it's physically correct*, but are there techniques that other games use to overcome this in a reasonable manner? As a last resort I'll have to just remove all slopes that are too slanted. *If you constrain the player to never jumping backwards.

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  • java 2d game how to make a player jump

    - by user2957632
    Hi I'm making a 2d plat former running game kind of like jetpack joyride fro example were u are constantly running but there is obstacles and u need to jump over them. but I want the character to jump and come back down. here is some of my code. if (listen.ml == true) { if (y > 120) { jump = true; y -= 1; } } if (y == 121 && jump == true) { jump = false; y += 1; }

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  • Meta Tags Keywords, Descriptions and Titles - Search Engine Optimization of Your Site Content

    Some web builders don't think that meta tag titles, descriptions, and keywords matter so much in their site and page rankings anymore. It is true that search engine algorithms are constantly changing in how they determine where your page rank. I am of the old school of thinking, and prefer to stay with my current method of search engine optimization and meta page data entry, at least for now.

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  • What Are Search Engine Crawlers?

    People don't know how they get relevant results for their search queries on a search engine. Most of them believe that these websites were submitted to the search engine. Few others think that there is some software tool that is searching for the relevant websites. Robots and spiders are the software tools that keep on searching the web to find new pages.

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  • Search Engine Placement Optimization - Methods and Practices That Work

    Proper utilization of search engine optimization is pertinent to the success of Internet related businesses. In order for SEO (search engine optimization) to be effective it must utilize methods and practices that have proven to be successful. The process involves knowing the proper keywords connected to using these keywords in order to provide a highest possible hit rate.

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