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  • RPG Equipped Item System

    - by Jimmt
    I'm making a 2d rpg with libgdx and java. I have an Inventory class with an Array of Items, and now I want to be able to equip items onto the player. Would it be more managable to do have every item have an "equipped" boolean flag have an "equipped" array in the player class have individual equipped fields in player class, e.g. private Item equippedWeapon; private Item equippedArmor; public void equipWeapon(Item weapon){ equippedWeapon = weapon; } Or just another way completely? Thanks.

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  • Implementing scrolling buttons in android

    - by Twirling Hearth
    I want to create an Android app in which the buttons scroll up or down the screen, kind of like a "wheel", so that when the "last" button is reached, it is simply followed seamlessly by the first one. I would want it to look something like the Price Is Right wheel. (This video at 0:12.) I want the first round of buttons to be presented for the user to tap the screen and make his choice, which would lead to a second round of buttons based on the first choice, and a third round based on the second choice. I've done a number of different google searches, but nothing so far. Any ideas?

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  • How do I find a unit vector of another in Java?

    - by Shijima
    I'm writing a Java formula based on this tutorial: 2-D elastic collisions without Trigonometry. I am in the section "Elastic Collisions in 2 Dimensions". Part of step 1 says: Next, find the unit vector of n, which we will call un. This is done by dividing by the magnitude of n. My below code represents the normal vector of 2 objects (I'm using a simple array to represent the normal vector). int[] normal = new int[2]; normal[0] = ball2.x - ball1.x; normal[1] = ball2.y - ball1.y; I am unsure what the tutorial means by dividing the magnitude of n to get the un. What is un? How can I calculate it with my Java array?

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  • Where would a senior PHP developer locate the method getActiveEntries()?

    - by darga33
    I have a class named GuestbookEntry that maps to the properties that are in the database table named "guestbook". Very simple! Originally, I had a static method named getActiveEntries() that retrieved an array of all GuestbookEntry objects. Each row in the guestbook table was an object that was added to that array. Then while learning how to properly design PHP classes, I learned some things: Static methods are not desirable. Separation of Concerns Single Responsibility Principle If the GuestbookEntry class should only be responsible for managing single guestbook entries then where should this getActiveEntries() method most properly go? Update: I am looking for an answer that complies with the SOLID acronym principles and allows for test-ability. That's why I want to stay away from static calls/standard functions. DAO, repository, ...? Please explain as though your explanation will be part of "Where to Locate FOR DUMMIES"... :-)

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  • 3D Location Handling

    - by tgrosinger
    I am thinking about making a simulator type game that will involve having lots of small objects in a 3D space. What is the typical solution for handling these objects? The first thing that comes to mind is a 3D Array, but I can't help but think there is a more efficient solution. Another idea that comes to mind is objects having possession of smaller items. For example a House possesses a Table which possesses a Cup and Bowl. The final way I can think of handling this is just having an array of "objects" that each have an x, y, z value. While this would make storing them easy I do not understand how you would detect collisions without just looking at every possible object and checking to see if it is in the way. Are there other ways of holding onto these objects that is more efficient?

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  • If I have true i/o false or vice versa, is it an OBOE?

    - by Protector one
    I often make the mistake of inverting my truth values in my code (e.g. in my if clauses). It gives me the same feeling as when making an OBOE (Off By One Error), even though it's technically not. Would you call it an OBOE, or better yet, is there a specific term for "off by truth value"-errors? My reasoning is that all possible values of a boolean are true and false. In other words, the possible values are contained in the array: [true, false]. If you access this array by index, you'll always be off by one… when selecting the wrong one. This becomes especially obvious when you calculate your index as: index = someInt % 2. Now I understand that this usually not the case, but in my mind, it always feels like this. Almost got it, just off by one…

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  • Is there such a concept as "pseudo implementation" in software development?

    - by MachuPichu
    I'm looking for a label to describe the practice of using human-based computation methods or other means of "faking" an algorithm for the sake of getting a product or demo off the ground quickly without spending the time to develop an technical/scalable/analytical solution? Eg: using Amazon Turk to count the number of empty tables in a restaurant. I'm also looking to learn more about this subject, but not sure what to search for. Human-based computation is only one method, I'm interested in the general idea of pseudo-implementation. Any ideas, recommended reading? Thanks

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  • Filling up the empty blocks when the player touches the safe zone again! using cocos2d

    - by user3445020
    Hi guys i am stuck with filling up the data of all the blocks which are empty like the ones in the image. As you can see there i have a pacman like object where i will be moving around. But when you are in the empty space where there are no Blue boxes available i should be able to add new blocks in the path of my pacman and when it touches any other blue boxes like in the below case if my pacman touches the top row of the blue box i should be able to fill all the empty boxed inside the border of the path created by pacman. For now i am using a 2d bool array to store all the filled boxed info like if there is a box inside i am making that cell in an array as true. But how to fill the area with blue boxes after player finishes his path ? Any help would be great thank you. More info about this problem is here: filling the empty spaces in a certain region in a grid using c++ Same problem

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  • game programming career, vc++ reference and future of it [closed]

    - by Pappu Bacha
    1) I have quite a lot of interest in game programming and I (to my thought) am quite good at programming skills, I have developed some console based animations and text based animation games (like copter-it, snake, and a music visualization), should I invest in game programming? I have 2 years at college left. 2) If I am to pursue a career in game programming, and I select to go only with c++ and DirectX, is it enough? is assembly language necessary? 3) is Visual C++ or MFC dead? should I invest in it or not? 4) I am unable to find any reference book for Visual C++ 2008 or later (just like C++ the complete reference book) I need a book that covers the basic fundamentals and covers the most of the libraries etc.

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  • Port flash game to native android

    - by wirate
    Alright here is the problem: the creators of a quite popular flash-based game have asked me to port their game to Android. They are not interested in any other platforms so we don't need to be worrying about iOS or PC. They want the best performance on just Android (I guess that's the point of porting a flash-based game. They could have just went with it) They found Unity 'slow'. How would the performance (on android) of other engines compare? Are they expecting too much i.e. finding Unity slow? I am in favor of Unity since development is a little easier with more things being visual (I am not experienced as you might have guessed). This would be an example of the type of game I am to port Thanks!

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  • Is there a language that allows this syntax: add(elements)at(index);

    - by c_maker
    Does a language exist with such a syntax? If not, what are some of the limitations/disadvantages to this syntax in case I want to write a language that supported it? Some examples: sort(array, fromIndex, toIndex); vs sort(array)from(index1)to(index2); Method signature would like this: sort(SomeType[] arr)from(int begin)to(int end){ ... } Update: Because there might be some confusion, I'd like to clarify... I meant this question as a general idea like this (not specific to sorting and possibly using keywords like from and to): In JAVA(like language): void myfancymethod(int arg1, String arg2){ ... } myfancymethod(1, "foo"); In imaginary language: void my(int arg1)fancy(String arg2)method{ ... } my(1)fancy("foo")method;

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  • How do you manage all of the information you have learned and found? [closed]

    - by B Seven
    Possible Duplicate: How do you manage your knowledge base? What do you use for personal note taking to keep track of everything you learn? Are you always Googling or searching StackOverflow to answer the same questions? Or searching for and copying and pasting existing code? I feel like I have a poor memory, especially remembering things like syntax. Are there any knowledge management systems that would work well for a programming language or operating system? It would be great if there were a way to save everything I learn in an easy to search system. Does such a thing exist? Maybe you would be able to search by question (How to sort an array?, How to set static IP?), or by tag (sort, array, enumeration, iterator, IP). I know it would be easy to develop my own system, but I thought it would be great to learn what works for other people.

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  • What do you need to master a language and its technology? [closed]

    - by LongTTH
    Possible Duplicate: how to really master a programming language Let say about Java(just a sample, you can talk about C#, PHP, C++ ... it's just similar) and 10 (ten) levels, 1 is newbie and 10 is master. How can you identify someone at which level based on his knowledge? I do not tend to compare languages, I do tend to know what indicate a master or a newbie in a language and its (language's) based technology. Yeah, I know there aren't on earth a language stand alone, it always come with a technology with it. Let say in Java, you can memorize all of its keyword and syntax in just few days, but to know it (I mean do something with it effectively), you must read the Oracle (Sun) javadoc many many times (I'm not mention the 3rd party product yet).

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