Flat two-dimensional space. Positions represented with `x`, `y` coordinates.

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-1
votes
1answer
89 views

How do i load, render and trasnform 2D images using Direct3D 11 API? [closed]

In my small game project using DirectX 11 API, I created a Direct3D device, and can draw 3D meshes, using web tutorials and a book. But I cannot figure out how to load, transform (rotate, scale, ...
2
votes
1answer
755 views

What is AABBvsAABB Collision detection?

Currently studying Game Engineering at university and my lecturer has asked us to implement a collision manager. He asks us to use AABBvsAABB to build it, so then we can add the physics. My question ...
1
vote
1answer
63 views

Monogame - stopping a custom shader (drawable game component) when inside another drawable game component [closed]

I have run into a bit of trouble when using a custom shader (gaussian effect) within another drawable game component, as I cant figure out how to break out of the draw method, so the effect is applied ...
3
votes
1answer
80 views

How do I render an object's position trail of a constant length?

I want to show a trail of the last points that the object has been in, but I want that trail to always be a certain length, regardless of the object's speed. How can I do that? At the moment, I ...
2
votes
1answer
203 views

Create a 2D orbit trajectory like in angry birds space and a circular orbit

I am working on a 2D game, and I am working on adding some space physics : I need to find a way to create a circular orbit and an orbit like angry birds space ( the spiral trajectory ) . So there is 2 ...
1
vote
1answer
292 views

Unity 2D: Sprites/Diffuse is making my character weird, like an antialias

i'm trying to put light and shadows on my 2D character but when i set the material on it to Sprites/Diffuse, it's kinda putting a strange smooth on my pixels. Without diffuse: With diffuse: And ...
2
votes
1answer
46 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 ...
0
votes
1answer
50 views

Any way to visualize how will game objects look on different screens?

After completing my game and sending it to a bunch of friends with different devices, they complained about how some game buttons were too small. (I have developped a touchscreen game but after ...
0
votes
1answer
117 views

Unity 2D: Change one instanced prefab then make all the others on the scene like it

I want to get this thing working: I have a prefab with coins, some obstacles and enemies, and i want it to be instantiated each time the player got to the right or left on the stage, to make the stage ...
0
votes
2answers
149 views

Is it possible to use one if statement for each level scene?

I'm working on a platform game where you as a player have to collect logs, to keep on all the fires in the level. Each campfire has a timer, which ensures that every x number of seconds the animation ...
0
votes
1answer
122 views

How to modify the Unity sprite renderer (or create a custom one) that can display the sprites on the X-Z plane?

Prefix: I am NOT trying to rotate a sprite 90 degrees by it's transform, this changes what is up/down and forward/backwards for the object. I need the sprite displayed on the X-Z plane in comparison ...
1
vote
0answers
45 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. ...
0
votes
0answers
96 views

Creating a 2D game on the X-Z plane instead of the X-Y plane in Unity, any adverse effects or challenges with this?

After coming to the realization that some things I wish to do in a 2D RTS are easier to do on the X-Z plane instead of the default X-Y plane, I'm considering moving my game over to the other plane. ...
1
vote
2answers
77 views

How can I detect a perfect passageway for collision detection?

The problem is when I move diagonal it moves fractions of units and therefore my coordinates might be a fraction of a unit say (40,400) might be actually (40.12,400.40) but another problem is my pink ...
0
votes
1answer
69 views

2d Collision detection response equation doesn't work

I am currently doing some game engine programming as a hobby. I have been working on getting the collision detection working for a while now, and I'm at my wits end with it. I started with this ...
0
votes
1answer
62 views

Why is each column being shifted down the X value of the column in my 2D Data Structure?

I have a two 2-dimensional arrays. One of which stores characters from a text file, and the other stores pointers to instances of Blocks. For some reason, in either of the arrays (I'm not sure which), ...
0
votes
2answers
231 views

How to bounce the player away after attack by enemies?

I creating a 2d platform game. I would like to bounce the player away after hit by the enemy, so the user get another feedback beside the sound effect. How can I achieve my wish? Use the following ...
0
votes
1answer
172 views

Unity C# 2D Platformer Main Camera should stop on sides of level

I've been working on a 2D Platformer and i succeeded in setting up a script for my Main Camera to follow my Player gameobject using transform positions. Now when my character is near the sides (or ...
0
votes
0answers
19 views

C# Pathfinding in 2d array (procedural generation) [duplicate]

I have the following random example data in a 2d array 030 300 030 003 The 3 represents a room, the 0 represents its an empty block and 1 represents a corridor. Now i want for example the following ...
-2
votes
2answers
167 views

In Unity, how do I make the camera follow a character?

When my character moves, I want the camera to follow them, such that the character always stays in the middle of the view. How do I do that in Unity? Here's my code right now: using UnityEngine; ...
1
vote
1answer
76 views

How to change an int value in the Unity editor

The player of my game can collect logs and can use them for hold on the fires. Each fire has its own status. So one is off and the other one is for 50% on. I created a public int inside my script ...
1
vote
1answer
70 views

Move 2d tank with independently controlled treads

I have made a tank object that knows its position, speed, rotation, and a double value ranging from 1.0 to -1.0 for each tread. I want it to move base on those values. For example, if the value for ...
0
votes
1answer
163 views

Unity problems with OnTriggerStay and Input.GetKeyDown

Background information Some weeks ago, I start by creating my own platform game. You control a character, that can collect logs and should hold all the campfires on in the game. When the user has ...
0
votes
1answer
129 views

How to detect the edge of a platform?

I have create a enemy AI script. These enemies are animals in my game. What I want is that the enemy can detect the edges of a platform. using UnityEngine; using System.Collections; public class ...
0
votes
1answer
165 views

Rotate Object Towards Direction in 2D

For my RTS game's physics engine, I'm trying to find out a clever way to make a unit face the direction it's moving in. Given a Vector2d direction of movement (its normalized velocity), how can I ...
0
votes
1answer
114 views

Sorting sprite's layers in isometric view

I'm making a strategy game with isometric view and I'm having some problems with deciding which sprite should be drawn first (I'm using SFML 2.2 as graphic library). I'm using std::sort to sort ...
0
votes
1answer
167 views

Using collectable items to change a gameobject Unity

I’ve been working on a 2D platform side scroller. I’m rather new to Unity and C#. Basically what I’ve achieved so far is a character which can collect Logs throughout the game and those logs are ...
3
votes
2answers
137 views

Can I use the HD Graphics 3000's quad list primitive type via D3D?

I was studying some technical documentation on the Intel HD Graphics 3000 GPU, which I'm using as a lower-end reference for my 2D game engine. I noticed the hardware supports a nice "Quad List" ...
1
vote
1answer
79 views

(Java) Trying to animate an arraylist of coins with a (working) animation class

I have a coin class which takes in an integer numOfCoinsand an enum LayoutType, which can be linear or curved. A linear layout displays the coins in a straight line one after the other - we'll work ...
1
vote
1answer
227 views

How to create a ladder script in Unity [closed]

I tried to create a climb script and found some similar code. I would like to climb with my player on a ladder. I came up with the following: bool canClimb = false; float speed = 1; GameObject ...
1
vote
1answer
1k views

Unity - Basic AI Enemy Follows Player - Prevent Flocking Of Enemies Together

I'm in the process of implementing a 2D top-down shooter game. I have a basic AI script that allows enemies to follow the player around. Currently it works fine for one enemy, but as soon as there are ...
1
vote
2answers
4k views

How to add a UI Text for keeping Score in Unity 5

My Problem is simple I want to show scores on my game. The examples on internet are good but in Unity 5 there are no GUI elements but instead these are now UI elements. I was following this example: ...
-1
votes
1answer
249 views

How to attach 2D object to a rope?

I was wondering, how I can attach a game object (player) to another object (a rope) when both came in contact in Unity. I think it should be done with a OnTriggerEnter2D, but doesn't know how I should ...
1
vote
3answers
121 views

Calculate intersect point / aim point

I'm working on a simple game, and I need to calculate the position to aim. Since my math days are a bit behind me, I put together a simple example to illustrate: So given that I know the position ...
0
votes
2answers
205 views

onCollisionEnter2D not behaving as expected

I have two game objects. They both have a Rigid Body 2D and a Box Collider 2D components. One of them also has script component. Below is the full script using UnityEngine; using System.Collections; ...
1
vote
1answer
202 views

Does game engines (like Unreal, Unity, Crafty) add value compared to pure js frameworks (react, ember..) for my isometric tile-based games [closed]

I'd like to create a huge tile-based board (say 100K tile). The game does not have any advanced graphics (you don't see the players or landscapes), the main difficulty is that it has 100K tiles to ...
0
votes
0answers
36 views

Collision Detection acting weird

I started learning programming in java. and I've decided to make a simple game but, got a problem in collision detection. The problem here is that the collision detection is sometimes not working. ...
0
votes
0answers
27 views

Efficient point-in test on static Polygons

I have some convex 2D polygons that are static and I would like to create an efficient point in test for them. I'm pretty new to this area of study so I just want to make sure I haven't made an error ...
0
votes
1answer
103 views

Player position on second player connection

I'm having some trouble trying to run my game for the multiplayer part. I'm creating a 2d game. I have followed this tutorial : ...
1
vote
1answer
102 views

Position and rotate a 2D point array into a 3D world

I have a set of 2D points (defining a flat 2D 'connect the dots' shape). I want to calculate the 3D positions for these 2D points at a specific 3D position and rotation. For example, say I have five ...
2
votes
2answers
152 views

Algorithm that always returns the same pseudorandom output if given the same input of seed, x and y?

I've been trying to find an algorithm that will take in an x value, a y value, and a seed value and then spit out a number between 0 and 255 (or an int that I can cut up into bytes). I want to be able ...
0
votes
1answer
77 views

Math for 2d movement with max speed?

I need some help with math in a 2d environment. I have a joystick that controls the acceleration vetor for the player figure. Its suppose to look like the ground is slippery which makes the figure ...
0
votes
1answer
145 views

My Raycast will not detect collisions in my Unity 2D project. What am I doing wrong?

I appreciate any help you can offer me. I created a script for a character controller that casts two rays below the player's gameobject. The rays extend infinitely and should collide with another ...
0
votes
0answers
40 views

Are there conventional 2D isometric axis directions?

I'm making a 2D isometric game, but now that I gotta decide which direction X and Y increase, I think it would be best to consider the common practice. In which directions do each of the axes usually ...
0
votes
0answers
46 views

How to use Android Sensor, only in x axis

I have seen some tutorials but they are very complicated and they are about the three axes (x,y,z). So I want a code that moves an object or more (for example) to the right or the left when the ...
2
votes
3answers
181 views

How to select random points within grid meeting min/max distance requirements from each other?

I have a 2D grid map that is relatively large. I'd like to pick some semi-random points all over it (say N points). The rule I want to ensure here, though, is that any selected points are at least M ...
0
votes
0answers
18 views

2D smooth Rotation Unexpected

I am trying to get a smooth 2D rotation and this semi works but only in (-x, +y) I have tried using a lerp but I still get the same result. So I believe, it has something to do with the rot_z value ...
1
vote
1answer
191 views

How To calculate camera boundaries

Is it possible to calculate the exact camera bounds? By this I mean the white lines that represent the camera area e.g the lines in the picture: I'm using Camera.main.screenToWolrdCoordinates to ...
1
vote
1answer
161 views

How do I make my main character move towards an object? LibGDX/Java

What I want to happen is for my player to bounce from spring to another. For example take the illustration below: Here's my code (what I've tried to do so far). This gets called in an ...
0
votes
2answers
187 views

Space invader barrier implementation algorithm

I've been struggling with implementing the space invader bullet to barriers. I wanted right now to blast a circle around, when the bullet hits the barrier and modifies the circle. As shown in the ...