2D refers to two dimensional space where coordinates are represented with X and Y values.

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121 views

Ledge climb animation and movement (2d platformer)

Struggling to make a decision on the implementation of a ledge climb mechanic for a physics driven 2d platformer. What is the best way to go about this without it getting overly complex? So far I ...
4
votes
0answers
82 views

Can a sprite be rendered with thickness in Unreal Engine?

Is there a convenient way to have a 2D pixel art image with transparency (not partial) rendered with a thickness in Unreal Engine? Paper2D does exactly what I want, except it's a flat plane. I'm able ...
3
votes
0answers
78 views

How can I interpolate between two frames of a sprite-based 2D animation?

For example, I'm looking to animate at 60 frames per second, but clearly my artist isn't going to hand-author 60 frames of art for every second of an animation clip and even if he could, it would only ...
3
votes
0answers
71 views

How do 2D volumetric lights work?

Context So in my current project (written in Java using LWJGL / OpenGL, so GLSL for shaders) I added lighting quite a few months ago, which was already an interesting challenge, having never done ...
3
votes
0answers
82 views

Proper Line of Sight in tile based game

My rendering engine currently takes "xMin, yMin, xMax, yMax" to render a rectangular region of tiles, and will automatically scale based on the size of the panel it is rendering to. However, I am ...
2
votes
0answers
35 views

Sprite animation in Android view

I'm looking for a way to have different sprite animations in individual Android views. I try to use LibGDX and AndEngine but most I could find was how to get an Activity with the sprite animation. ...
2
votes
0answers
63 views

How to organize level blocks in an Infinite runner

I'm working on an Infinite Runner game. I have created many level blocks(sections) with different obstacles and pick-ups for the player. They are positioned and placed manually, in such a way, to give ...
2
votes
0answers
120 views

How do i add a rain effect to a top down design game in Java, using no external libraries?

I'm creating a top-down game for my A-level/college computer science project, and I'm trying to implement rain. The game needs to be usable on any platform, so the use of external libraries is out of ...
2
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0answers
94 views

LibGDX - ShapeRenderer as principal game entity renderer

I am trying to make a 2D game that is just a bunch of default figures like circles, arcs and quadrilaterals with no textures (similar to Super Hexagon), and for that I was using C# and XNA long time ...
2
votes
0answers
169 views

How can I use iteration to lead targets?

In my 2D game, I have stationary AI turrets firing constant speed bullets at moving targets. So far I have used a quadratic solver technique to calculate where the turret should aim in advance of the ...
1
vote
0answers
42 views

2d grid vision(eye sensor) for a neural network bot?

I have a 2d grid and neural network bots living above it. What is a good way to give them vision of tiles in front of them? Below I describe my idea that I don't know how to efficiently(or ...
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0answers
65 views

OpenGL Render Queue Design

I am currently designing the rendering system for a 2D game built in C++ and OpenGL, and am unsure about how to go about implementing a sorting procedure to maximise efficiency and minimize OpenGL ...
1
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0answers
45 views

2D Platform physics system with deltaTime

I'm implementing my physics handler in my own 2D "Platform" game. My main problem is that when the timestep ( deltaTime ) changes, maybe to some tiny lag spike or something like that, the running ...
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0answers
48 views

Screenshot preview freezes a game for a few seconds

I have a screenshot preview at the end of the level, but when I show it my game freezes for a bit(low fps for a few seconds). This is code I use to load screenshot and crop it(for a little preview ...
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vote
0answers
56 views

Game is responding very slowly?

I have a very simple app which removes buttons and re-adds buttons to certain layouts when a button is clicked. The problem is, this process is taking a very long time. My question is: How can I make ...
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vote
0answers
32 views

How can I move my button?

I am new to animations in android. I was wondering, is there a way to keep a button moving around the screen, bouncing off the walls, until it gets clicked? I was thinking to do something like this: ...
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vote
0answers
39 views

Spawn platform based on player location

I am trying to make an endless platformer game. I have made a lot of progress so far. I now want to be able to change platforms when I take an object(power-up or something). I modified my platform ...
1
vote
0answers
19 views

Unity - RageTools Performance

Has anyone used RageTools for Unity? What do you know about the performance? Is it more performant than using raster, for example with "puppet 2d" or the other way? I'm developing mobile games, so ...
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vote
0answers
37 views

Black bar in beetween the image when Background move infinite

I'm trying to scroll my background forever and so I'm using the background image twice. When the first one goes off screen, it should relocate to the end of the second one. However, there seems to be ...
1
vote
0answers
91 views

Most efficient way to calculate angle between two line-segments that do not necessarily touch each other

Although I found answers on calculating angles from vectors, I didn't find a specific way to calculate angles between line-segments that do not necessarily touch each other (I say "not necessarily ...
1
vote
0answers
34 views

lwjgl Move 2D projectile in direction from coordinate pair

So I am having issues getting my projectile to move properly at all, the help I have found have only made this worse and have not actually given any heading as to what I am doing wrong. Can anyone ...
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vote
0answers
29 views

Change gui in java game

im making a 2D Server/Client game, i have very little to no problems with the server but now i wanna work at the client. I think about using a JFrame and all the other gui classes/methods. My question ...
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0answers
50 views

Is this a good way to “get rid of the sprite shakes” for my sprites that “target” other sprites? (XNA)

I'm relatively new to XNA, but very proficient with C#. I want to know if this is the best way to solve the sprite shaking problem. I had a sprite class that can target a place/other sprite on the map ...
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57 views

2d stealth-type collision

I'm curious as to how stealth games work. I am working with 2d right now to get the hang of it, and so far I have come up with the following ideas. create a bounding circle around the player/enemy ...
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0answers
70 views

How to create 2D cameras in swing?

What is the best way to create a camera for a 2D platformer using swing, and I want to create a camera that moves instead of moving the background. This is because I'm going to have objects rotated by ...
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vote
0answers
87 views

Bold black bar on right side of game in Unity (Android)

I am trying to create an endless runner. I have already created a system to generate infinite backgrounds from an array of some. However, on running the game, I get huge black bar on the right side of ...
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0answers
125 views

How is curved 2d ground is implemented in real games?

I'm developing a 2d platformer (inspired by N game) and I already successfully implemented circle-convex, convex-convex and circle-circle collision. But now I want to be able to make platform that ...
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0answers
48 views

2D Skeletal animations exported to SVG

I would like to create skeletal animations, and Synfig looks quite promising. This is a video walk through of its "bones" feature, used to do skeletal animation. Ticks all the boxes thus far, ...
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vote
0answers
91 views

convert 2d pt into non-affine coordinate system

Say I have a coordinate system that goes from (0,0) to (1,1). We'll call this screen_space. Within this coordinate system, I have 4 points that I would like to define another coordinate system. One ...
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0answers
79 views

How to change colors where two boxcollider2d objects intersect (Unity 5 2D)

I'm creating a 2D game in Unity that relies on combining colors. For instance, if the yellow sprite in in a position, and the player slides a magenta sprite partly over it, the area where the two ...
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0answers
147 views

How to target moving object in 2D game

I am working on targeting system for 2D game. Two objects move in space. Each one have Position and Velocity vector. Ship object shoots moving objects in space. Ship can shoot in any direction, but ...
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0answers
36 views

Weapon index sets index values to the same

i've got a question about my unreal blueprints. I've been trying to get this right for almost a month now, but i don't know how to fix this. These are my are down below and a small video to explain my ...
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140 views

2D Parallax Scrolling

I'm trying to implement parallax scrolling and have a partially working equation (from a book I've read) but it doesn't fully align to the screen. I also want to stick purely to integer maths. I've ...
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0answers
142 views

How do I create this type of mixed 2D/3D character model?

I'm interested in how this little Lively Hamster Flash game's character is modelled and animated. The head seems 3D. The back always shows a black outline, so I assume it is 2D. Is this a ...
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0answers
76 views

2D Polygon Collision push direction with large polygons

I have a collision detection/resolution implementation that uses the Separating Axis Theorem. Detection and such works perfectly fine, as well as resolution for most objects/shapes in my game. ...
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0answers
194 views

How to make a sword swing effect

I'm working on a 2d java game on Slick engine and I always wondered how to make swing effects when striking with a sword? How to code something like this? ...
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0answers
64 views

Unity Javascript GUI.Button shows up twice

Hi I have created a simple menu in Unity but I wanted to create my own style for colour/fonts. However for some reason it prints each button twice to the screen, once with my custom style, and once ...
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0answers
195 views

Xna 2d texture antialiasing

I've got a problem with drawing 2D texture in xna 4.0. My program generates terrain texture: The problem is in rough surface of my texture (dark-blue) that is generated by-pixel. Is there any ...
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0answers
132 views

Setting the main camera's size to be equivalent to the device's width and height

Making a 2D game with Unity. I need a way to set the main camera's width and height to be equal to the mobile device's resolution. So if you're using an iPad Mini 3, then the main camera will be 2048 ...
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0answers
152 views

How to get rid of half pixel artifacts?

I've been having a bit of trouble using OpenGL to make 2D games. I am using a traditional ortho perspective with just some sprites being rendered and moved around. It all works perfectly but there is ...
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vote
0answers
185 views

Layers with parallax in a game with zoom out by a transformation matrix

I'm trying to implement a parallax rendering to my multi layered backgrounds. It's a classic 2d fighting game like The King of Fighters and Street Fighter. It may have a stage composed by 5 layers. ...
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0answers
113 views

Cubic bezier polygon clipping

I have a large cubic bezier defined 2D polygon area which I need to render in DX11 real-time to create as many 4096x4096 textures as needed. An average control point count would be around the 12k and ...
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vote
0answers
136 views

How to make a text of several letters animate, only with an animation

I wonder if it is possible to create an animation in a text with a single "animation". The problem is that for me to reach the desired effect I need to create an animation for each letter, as each one ...
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vote
0answers
105 views

unity4.3 rigidbody2d unexpected force behaviour

So guys ive edited the question and here is what my problem is i have a player which has a rigidbody2d attached to it.my player is able to doublejump in the air nicely and stick to walls when ...
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0answers
1k views

Unity 2D loading Spritesheet Atlas at runtime from web and using it dynamically

I am new to Unity (came from AS3/Starling) and just started for 2D games in Unity. I have a spritesheet / texture-atlas (many different sized images packed in a single png) which I want to download at ...
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0answers
215 views

How should matrix-based Parallax Scrolling work?

The question is at the end, as it requires a bit of context. I'm not sure if my understanding, my code, or LibGDX's ParallaxCamera is wrong. LibGDX's ParallaxCamera uses Matrix4s to achieve a ...
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0answers
120 views

How can I modify my procedural shadows to also show some of the walls?

I'm rendering shadows in Libgdx with the method from this tutorial. I think it's a nice and easy method. I render all my shadows in a framebuffer, then invert it. Before invert: After Invert: ...
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301 views

World to Pixel Transformation

My objects have a location in world coordinates (basically 1.0f is a meter). If I simply draw my objects using their world coordinates, each meter will correspond to a pixel. Obviously that's not what ...
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396 views

2D Camera transformation sidescroller

i am currently trying to dive into 2D programming with DirectX, especially bulding a tile based sidescroller. I have worked with some chapters from a book (Advanced 2D Game Development) but always ...
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0answers
181 views

scale rotating boundingbox

I want to use basic rectangular collision detection. I have a rotating sprite and a method that calculates the bounding box every time in the Update() method. I simply check for intersection between ...