Java is both a popular programming language and runtime environment which allows Java programs to run unchanged on most hardware and software platforms.

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95 views

How can I make an soundsystem with slick?

My Question would be , how can I develop an easy-to-use Soundsystem under slick-util? Under the function a.playAsSoundEffect(1, 1, true, x, y, z); it allready works to create a static ...
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0answers
7 views

Shaperenderer not showing any shapes

I'm trying to use the shape renderer in LibGdx, but I don't see anything. I followed the docs as well, but nothing appears. Is there something wrong with my setup? public class MyGame extends ...
0
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1answer
76 views

LibGDX - Executing 2 different touchDown events in the same method

On the bottom left of my screen is a circle with an Arrow and on the bottom right is a circle with a gun. If the player is in jetpack mode and the Arrow "button" is clicked he flies like flappy bird ...
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2answers
36 views

GestureDetection Issues - How do I make my Actor jump on Swipe?

I've been trying to solve this for hours now, In theory I totally understand how the GestureDetector works but I'm trying to integrate it with the Libgdx SuperJumper Tutorial (for now). Here: ...
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2answers
25 views

Ball oblique impact physic in Java?

I know Q3 + Q4 = 90 I searched internet and many physic topics, but not found how to calculate this values in Java? (I found V3 and V4 but not found Q3 and Q4) So how can i calculate V3, V4, ...
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1answer
24 views

Pan camera within bounds of large image

I have a camera that I pan around a large image which works fine, however when I reach the end of the image I can keep panning on and on, forver. I have looked everywhere for an answer on how to ...
0
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1answer
62 views

box2d ChainShape into curved line

i need to draw a curved line , i searched the internet and found nothing , maybe someone with knowlegde on the subject can help me with a link , i used chain shape and did this , and i don't know ...
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1answer
63 views

In JBox2d when dragging a Body, why is the direction is flipped vertically?

Why is it when I drag a JBox2d Body with the mouse, the vertical component is flipped? e.g. If I drag down-right, the Body moves up-right. Is this expected behaviour, a bug in JBox2D, a Mac ...
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0answers
13 views

Android Studio Project Creation Error [on hold]

I have recently taken up Android Game Development, but my Android Studio is acting up. I installed Java JDK 7, just for the record. When I try to create a new project, I get this stupidly annoying ...
0
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1answer
300 views

problem adding bumpmap to textured gluSphere in JOGL

I currently have one texture on a gluSphere that represents the Earth being displayed perfectly, but having trouble figuring out how to implement a bumpmap as well. The bumpmap resides in ...
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1answer
268 views

Design pattern for animation sequence in LibGDX

What design pattern to use for sequence of animation that involve different actor in libGDX. For example I am making a game to choose a wolf from a group of sheeps. The first animation played when the ...
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1answer
266 views

LWJGL: Camera distance from image plane?

Let me paste some code before I ask the question... public static void createWindow(int[] args) { try { Display.setFullscreen(false); DisplayMode d[] = ...
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2answers
67 views

Adjust bitmaps according to screen ratios on android

I always thought that pixels were square... it turns out i'm wrong, and I am quite worried by this. This means that if I draw a circle, it will be round on my screen but it could be an ellipse on ...
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1answer
56 views

Platformer collision advice

I've been trying to implement collision for a platformer but I can't find a good way to get the collision of certain sides without it get glitchy. So i try to get the collision of the top rectangle ...
-3
votes
1answer
39 views

String of coordinates into an ArrayList? [on hold]

I have a String with coordinates which looks like this: (These coordinates are loaded from a text files and tells the position of entities) String coords = "0,0 0,1 5,2 7,4 10,5" My question is, ...
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0answers
49 views

Is there a cross-platform way to convert SVG file to PNG at runtime?

I need to convert SVG files to PNG files at first launch of a game and then save these PNG files to some assets folder. I'm wondering if i can achieve it on both Desktop and Android. The reason why i ...
0
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0answers
46 views

beginning game development for Android, where to start? [on hold]

I am an experienced programmer with C, java and little ruby/Python experience. I want to develop games for Android but the number of game engines available (I think they are called game engines, not ...
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1answer
801 views

Can't get Depth testing to work (cube faces shine through)

I'm making my first steps with OpenGL with LWJGL. I am currenlty constructing a... wait for it... CUBE. Quite creative... Up to now i made it to three of its faces and thats where the Problems began. ...
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1answer
31 views

Moving a Polygon based on Camera position [JAVA]

I am in the process of implementing TMX Maps (made in Tiled) for my game. In Tiled, I can create polygons, which leaves a tag, containing the points. Loading in these points to a Polygon ...
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3answers
43 views

Why should i set glClearColor and setProjectionMatrix in render method many time in LibGDX?

import com.badlogic.gdx.Game; import com.badlogic.gdx.graphics.OrthographicCamera; import com.badlogic.gdx.graphics.g2d.SpriteBatch; public class MyGame extends Game { public OrthographicCamera ...
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0answers
25 views

need a Multplayer Poker Game Source Code using Java/GWT [on hold]

the best example of a source code i need is gpokr.com.. but it's source is closed. i already found games like pokerTH, but it's too complex for me to understand and in a language i don't fully grasp ...
0
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1answer
64 views

Is the standard collision detection in Slick2D too heavy for broadphase?

I was wondering two things about the built in shape detection of Slick2D. When executed on a lot of shapes, how performant are the intersects and containsmethods, and what kind of algorithm is behind ...
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0answers
36 views

Hard time implementing AABB collision into a platformer

I have AABB collision working fine. The problem is I can't get it to work with a platformer style game. The collision makes the player move a bit static when colliding and the gravity wont work with ...
0
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1answer
26 views

Opengl textures change color of everything

Whenever I render textures, all shapes get the color of the texture. I'm not sure why, but I think it's something to do with the way I render textures. Here's what I use to draw textures: public void ...
0
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1answer
125 views

How to draw multiple large background images using libgdx?

I have developed a basic lunar lander-style game using Slick2D and dyn4j and am now redeveloping it using libgx for various reasons. I am having problems drawing the background (i.e. everything, but ...
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1answer
31 views

Suddenly cant run project in libgdx anymore

Ok so in a sudden case of nostalgia, I switched my eclipse workplace from my working libgdx projects to an older one. After looking through my old stuff I had some problems switching it back, since I ...
1
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1answer
86 views

LibGdx - Move sprite in the direction of other sprite

I'm kind new to LibGdx and I'm still learning. I'm working on a small game project to learn this nice framework. However, I'm having some issues with my game. My game is a top down shooter. There is a ...
2
votes
1answer
76 views

Good approach in designing game classes [on hold]

I took a semester-long course in java but I'm still a beginner in Object-Oriented programming paradigm. Suppose that I want to create a simple game where the player can go to different locations. Each ...
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0answers
20 views

Alternative to world/terrain editing with jmonkey

I have been studying Java for almost a year and have been trying to develop a game using jMonkey. I have tried Unity before but since I only know Java I decided to go with jMonkey. My problem is that ...
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0answers
21 views

Opengl camera handling

I normally do parallax scrolling with x and y which works, but I'd like to make a camera class instead so I can rotate as well. Right now the camera is set to the player's position but doesn't scroll. ...
0
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2answers
96 views

LibGDX - Best way of scrolling background

I'm new to LibGDX and i'm trying to implement a screen where i have a guy running and the ground under him scrolling to give impression he is really running in a sidewalk for example. The ground ...
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2answers
122 views

How to build an AIManager class

I'm trying to figure out how to write a good AIManager class in Java in order to manage the AI of all the objects in my game. From another post of mine, an user has suggested to do the following: ...
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1answer
133 views

Mouse coordinate conversion Libgdx

I have a camera: //Map is a my object that wrapper of TiledMap class In the create method: this.renderer=new OrthogonalTiledMapRenderer(this.map.getMap(); this.camera=new OrthographicCamera(); ...
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0answers
34 views

How to animate Frog jump from one point to another point on a single touch event [closed]

Here is the problem : I have a set of images of frogs. When i click on the screen, frog should jump from current position to the new position. New position is the one where i clicked on screen. ...
0
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1answer
122 views

LibGDX - Accelerometer Problems

I got some issues. I'm using LibGDX. When I hit an object, my Fighter is supposed to fall to the Ground. BUT, because of the Accelerometer, i can still move it up and down eventhough it died. The ...
0
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1answer
73 views

How can I split my entity manager class into a gameworld class and gamerenderer class?

I currently have a libGDX game where I have an entity manager class which is called in the gamescreen. Instead, I would like to utilise it in a gameworld class and a gamerenderer class, but I cannot ...
0
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1answer
55 views

How BufferStrategy works

I've used this piece of code a lot in my games, but I still don't know exactly how it works. // Main loop while (!done) { // Prepare for rendering the next frame // ... // Render ...
1
vote
2answers
91 views

Libgdx: different speed on different devices

I am running a simple Libgdx app that I have wrote, on my Android phone and Android tablet and I am getting the unexpected result of having different velocities when a body is moved. To move the body ...
0
votes
1answer
45 views

Aligning Camera to Rectangle

I'm working on a game in Java, and I'm having some trouble with finding the correct camera position. I've already made a Rectangle that shows exactly where I want the camera to be, and at what scale: ...
-1
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0answers
29 views

Body.getPosition returns NaN

I'm trying to create my own shooting Ai and for that I calculated at which angle the shooter needs to be depending on the distance from the target. The problem is that a whole lot of times I get this ...
0
votes
1answer
103 views

Slick2D: Animation not being parsed from spritesheet correctly

I have a 960x960 spritesheet with each tile being 192x192. I initialized my spritesheet and animation like so: spritesheet = new SpriteSheet("resources/spritesheets/player.png", 192, 192); ...
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0answers
44 views

html5 vs java for multiplayer game development that heavily depends on anti cheating methods [closed]

i plan on making competitive online games using java (poker), which i feel comfortable using. but i want to make them cheat free, having almost no idea of how to do so. i used to play mmo's, and what ...
0
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0answers
23 views

How to toggle fullscreen with lwjgl

I'm using glfw in lwjgl-3 to try to create a toggleFullscreen method. However it always gives me errors. I saw this question Toggle Fullscreen at Runtime but it didn't help because glfwOpenWindow() ...
1
vote
1answer
367 views

Multiple enemy array in LibGDX

I am trying to make a multiple enemy array, where every 30 secods a new bullet comes from a random point. And if the bullet is clicked it should disapear and a pop like an explosion should appear. And ...
2
votes
1answer
26 views

Java Libgdx: How do you add cells to a TiledMap?

I'm trying to make a Side-Scrolling game that will allow you to place/remove tiles. I'm using the TileMap Editor to render the custom Tilemap but is there any way to add tiles? I have it where I can ...
2
votes
1answer
21 views

Rendering curved text in AndEngine

I'm trying to implement a small game using AndEngine and I have a question about the Text. More specifically, I'm wondering if it is possible to deform the text so that you can have a "curved" text or ...
0
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2answers
2k views

How do I add an image inside a rectangle or a circle in JavaFX?

Suppose we have a rectangle called r Rectangle r = new Rectangle(40, 20); and an image called image Image image = new Image("...src for image"); How do I fit the image inside the rectangle? ...
1
vote
1answer
22 views

Correct way to integrate scaled axis angular velocity into a quaternion

Across my travels on the internet I have came across to ways of integrating a scaled axis angular velocity into a quaternion. The first way converts the angular velocity into an axis angle quaternion ...
0
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1answer
129 views

Move Box2D body towards mouse click

In a top down game using Box2D, I would like the player's Box2D body to rotate towards the mouse click, and then move to a point on mouse click (move, not teleport). I have worked out the rotation ...
6
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3answers
1k views

Framerate is affecting speed of object

I'm experimenting with building a game engine from scratch in Java, and I have a couple questions. My main game loop looks like this: int FPS = 60; while(isRunning){ /* ...