0
votes
1answer
39 views

Is there a 'wait' function in Allegro5?

I am creating a game in allegro5 and I have come across a problem. I have a character that fires a shotgun and there needs to be a delay before he can shoot again. The code for shooting his gun is in ...
0
votes
3answers
97 views

How to decide whether to use a physics engine for a platformer

I'm planning on creating a 2D platformer and doing some research to make sure that when I get started, I avoid making some poor decisions. Something I've seen come up multiple times is that I should ...
0
votes
1answer
35 views

How to enforce touching within a ring shape?

I'd like to have the player moving the finger within the shaded ring: The game should be able to detect "out-of-boundary" events once the finger moves outside the ring. How can I accomplish this?
0
votes
1answer
73 views

What is the Z plane?

I am learning the basics of geometry shaders and I came across references to the "Z plane." It's pretty easy to visualize the X and Y planes, but where does the Z plane reside in Cartesian space? ...
0
votes
3answers
191 views

What methods do game hacks use to counter anti hack systems?

In popular multiplayer first person shooter games, there are often hacks such as Aimbot, Noclip, Speed, and other similar hacks which I know game developers deploy anti hack features to combat, but, ...
0
votes
1answer
60 views

How does Color.Lerp works?

I want to understand how does Color.Lerp works in unity. According to this page it is quite clear to understand how to use it but I'm interested in how it is implemented. Does it work on RGB channels? ...
0
votes
2answers
355 views

Marketing my mobile game [duplicate]

I have almost finished my game; I want to upload it to Google Play and the App Store. I will make it free but with Admob advertising. What is the best way to market my app (without any app promotion ...
0
votes
2answers
1k views

Loading models with opengl

I'm developing a video game using OpenGL as graphic API and C++ programming language, and I'm creating all models with blender. One question I have is how you deal with models (vertices), I mean, ...
0
votes
2answers
187 views

Native vs Desktop Resolution

I have code set up that finds the native resolution of a monitor and uses that to determine the resolution for (DirectX exclusive) fullscreen mode, using SetupAPI: HRESULT ...
0
votes
2answers
184 views

How to create old-school format music with small file sizes

My friend and I have been working on a project recently, and because we are hard coding everything (other than the graphics library, Pygame), the total size for our project is super small. I feel like ...
0
votes
1answer
601 views

How do 3D games create the illusion of depth?

How do libraries like OpenGL convert three dimensional coordinates into the two dimensional pixels we see on our screens? I'm not talking about the 3DS or games that require 3D glasses, but rather the ...
0
votes
5answers
96 views

How should data about past interactions be stored?

I have been developing a text-based rpg in C++, using sqlite as my database. When it comes to interactions that change the world around the player in some permanent fashion I have been unable to find ...
0
votes
2answers
149 views

How to move dashes towards target?

Would you know how to create a dash line that moves towards the direction of the target, and if it collides with a wall, goes to the opposite angle? I have seen atan2 but I am not sure what it does, ...
0
votes
4answers
214 views

Designing a multi-level game

I want to know to code structure of a game that has different levels to choose from on the main screen. More precisely, I want to know how does the main loop hands off the rendering to another loop ...
0
votes
2answers
185 views

Do I really need a render() method in the game loop if the view subscribes to the models?

For a game that I'm working on, we've followed the MVC paradigm. However, in classic MVC, the view subscribes to the model and when the model updates it informs the view. We've implemented this as an ...
0
votes
1answer
65 views

Removing inline declarations makes code work. Why?

This does not work: camera = new OrthographicCamera(100, 100 * (Gdx.graphics.getHeight() /Gdx.graphics.getWidth())); This does: float w = Gdx.graphics.getWidth(); float h = ...
0
votes
3answers
539 views

Combine flat and smooth shading with a single model geometry

I need to be able to switch between smooth and flat shading interactively. Is there a way to do this efficiently with a single geometry? For example, smooth shading does not require duplicate ...
0
votes
2answers
80 views

How do i calculate the velocity of a sprite after it leaves circular motion?

I'm trying to make a game where the character can swing on a rope. I want to know how the velocity of player is calculated when it stops circular motion. Any help would be appreciated.
0
votes
2answers
384 views

Incrase framerate in XNA [duplicate]

I'm trying to increase the frame rate of my game from 60FPS to 100 FPS because of reasons. But i can't seem to get it higher than 60 frames. This is the count I'm using. I can slow down the frame rate ...
0
votes
2answers
192 views

Explaining vector math for a pendulum camera

I came across a code that I guess is doing a pendulum camera, that's the class name. I would like to know the math behind that. I would like also to know how to decipher those stuff in game math, ...
0
votes
1answer
238 views

Multiplayer and creeps (NPC enemies): how to compute bullet hits given the lag?

We are making a multiplayer co-op game, where players will shoot not each other but AI enemies (creeps), controlled by the game. The chosen implementation is client-server with an authoritative ...
0
votes
2answers
548 views

Deal Damage to Player

I have to make a simple "avalanche" game to show I know how to use the physics and creating terrain. But I actually wanted to go a little above and beyond and actually give the player health so there ...
0
votes
2answers
965 views

What are some ways to store level data in a game like Gunpoint? [closed]

Gunpoint is a 2D stealth game available here. I was wondering how you might go about storing level data for a game like this. I'm mostly concerned about how the collision detection is saved. There are ...
0
votes
2answers
153 views

Without using a pre-built physics engine, how can I implement 3-D collision detection from scratch? [closed]

I want to tackle some basic 3-D collision detection and was wondering how engines handle this and give you a pretty interface and make it so easy ... I want to do it all myself, however. 2-D ...
0
votes
1answer
996 views

What is the component for the AI system in a component-based entity implementation?

In order to wrap my head around component-based systems, I started making my own little framework. Unfortunately I am not completely sure how systems are supposed to be used in some specific cases. ...
0
votes
3answers
1k views

Line of sight on a 2d grid

I've been looking for similar questions here and on google, but none have worked for me yet. I have a game, where I have a 2d array of square tiles (they're objects with accessible x and y pixel ...
0
votes
1answer
114 views

How to make character gain acceleration?

I want to create more realistic physics for my 2D games. Currently, the character and the other game objects in my games start moving instantly (achieve maximum speed instantly) and stop instantly ...
0
votes
3answers
281 views

How can I calculate force and acceleration?

I have problem of calculating the movement of the object. At the moment, I have a vectors calculated from the center of the screen minus the position of the object. direction vector = centerScreen ...
0
votes
2answers
227 views

What does a Mesh consist of?

I have seen various implementations of mesh loaders in a few open source game engines. But all of them behave meshes differently. Is there a general definition for a mesh that explains what meshes ...
0
votes
1answer
190 views

Why does my HTML5 game loop (with masking) run slowly?

I have a game loop like so: setInterval(function() { context.save(); context.rect(26, 144, 745, 400); context.clip(); context.drawImage(myImage, 100, 100, 900, 900); ...
0
votes
2answers
176 views

How do I show a Quit button on Desktop but don't show it on Android with libgdx?

So I would like to display a Quit button on the Desktop main menu screen, but I wouldn't want to have it on Android too. What is the correct approach to achieve this? Do I have to check the ...
0
votes
1answer
370 views

Switching screens in a game

I am working on a simple 2D game in Java. I want the game to have an opening screen, instructions screen, and the screen with the game itself. From the opening screen the user presses buttons to get ...
0
votes
1answer
201 views

Why divide by w makes the pixel shader look better?

I'm writing a shader in HLSL (Direct3D11 with SharpDX) and after some computations I was trying to make a test and print the depth z of a specific point in my pixel shader, like this: myZ = ...
0
votes
1answer
147 views

XNA Float values don't work as parameter

With the Microsoft XNA Framework I can change the color of a tinted texture by changing it's integer values like so: Int x = 255; if(true) { x--; tint = new Color(x, 255, 255); } Draw(texture, ...
0
votes
2answers
502 views

How can I reuse objects going off left side of screen, by putting them offscreen on the right side?

I have an array of roughly 10,000 tiles over a 2d grid. When a tile goes off screen, I'd like to recycle it by disabling the renderer, repositioning it just before it comes on screen again, then turn ...
0
votes
1answer
361 views

How or why are major video games programmed so reliably? [closed]

It seems like every five minutes, you come across yet another installer which fails to install certain components, another .NET application that throws up an unhandled or semi-unhandled error message, ...
0
votes
1answer
688 views

Break a learning barrier with Java + LWJGL [closed]

I have been coding with Java and LWJGL for some time. I mainly use thebennybox's tutorials, but I can't always remember the 3D rendering. But even when I have a 3D rendering models, planes, cubes, ...
0
votes
3answers
832 views

Loaded Images are upside down

I'm using SharpDX Toolkit and load a png file with SharpDX.Toolkit.Graphics.Texture.Load(GraphicsDevice, Stream) If I apply the texture to another texture it's drawn upside down. The texture is: and ...
0
votes
1answer
448 views

About the A* algorith(pathfinding)

We have a formula of f=g+h wherein g is the path cost and h is the distance left to the goal. Given that I only want to move my unit in 4 direction (N,S,E,W), my question is: Can we consider h as ...
0
votes
1answer
667 views

Move Player on Mouse click in update loop

I'm trying to move my player when clicking the right button on the mouse. The problem is that my player is just standing and "shaking" in the top left corner. Any idea? package game; import ...
0
votes
2answers
470 views

Best way to play footstep-sounds of character?

I am developing an XNA-Game, which is pretty much a runner game (side-scrolling). Now I am in the middle of adding sounds to my game. And as it turns out, I am having quite some problems with the ...
0
votes
4answers
580 views

HTML5 Jump and Run Game Performance issues

we're developing a HTML5/Javascript jump and run game and therefore we have developed our own gameframework. It consists of following most important structures: Stage/Scene/Layer: divs ...
0
votes
1answer
1k views

Texture Won't Load in OpenGL

I've started trying to make a 2D game in C++ using OpenGL, and I'm using SOIL as the imaging loading library. The problem is, I've been trying to get a simple 64x64 image of a red square to open and ...
0
votes
3answers
215 views

Securing game plugins / mods for java

I am looking into using Java to write a game core, then writing the game logic separate either in Java, or using something like Python. This way I open up the ability for any future users to modify ...
0
votes
1answer
1k views

Why would creating a GLFW 3 window return null?

For some reason after calling 'glfwCreateWindow' I get back NULL as the return value. I'm initializing GLFW beforehand with 'glfwInit' and while searching for a solution tried setting ...
0
votes
1answer
113 views

Sparsely distributed locked levels?

I want to include some locked levels in my puzzle app as a lightweight reward system. The levels play relatively quickly (average 1-min/level) and there are 100-200 levels in a pack. I prefer not to ...
0
votes
2answers
1k views

SFML networking rts

You will be controlling only one person directly in the game. But, you can issue vague command like to build something here or attack at this square. So I'm trying to make a multi-player roguelike ...
0
votes
1answer
180 views

How do you determine where the user wants to place a block in a 3d scene?

I am still in the think-ahead-and-plan stage of a project where I'll want the player to be able to drag-out blocks - tiles but a minecraft-like 3D block-world. So my question is: how can you ...
0
votes
1answer
894 views

Simplest way to render image over top of another with another image used as mask in OpenGL?

The effect I'm looking for is to have a single large background image that is always visible (at full alpha) and then show a second image (what I call a light map or specular map) that is partially ...
0
votes
4answers
305 views

Is there a game not using meshes for models? [closed]

Traditionally, models consist of lots of vertices connected by triangles. That forces the use of a high amount of vertices for detailed organic shapes or makes models kind of blocky. Even though ...

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