All Questions
21
questions
9
votes
1
answer
1k
views
Generate unique random strings considering collisions
I'm coding a random strings generator. It's working, but I'm not sure if this is efficient.
...
- 191
2
votes
1
answer
68
views
Creating restrictions for a sprite's possible position on the screen
The great feedback I got on my first post on Code Review made me wary of code repetition. This code does what it is supposed to, which is to create restrictions for a sprite's possible position on the ...
- 149
0
votes
1
answer
76
views
Self Updtating QuadTree
I'm making a simple 2D game engine, and to make collision detection more effective I tried making a QuadTree class. I don't know if this will work, but that's not that important. You don't have to ...
6
votes
2
answers
962
views
Collision Detection in a 2D shooter game
I have the following code that works just fine for collision detection. The only problem is its size and its performance. I'm trying to do it and many other things 60 times per second, which doesn't ...
- 197
6
votes
3
answers
249
views
Calculate next position and velocity after "bounce"
Intro and code
I have the following function that calculates an object's "next" position and velocity (in 1 dimension) given a boundary [0, max].
...
- 337
6
votes
1
answer
404
views
Handling collision on a turn-based 2D game
I have implemented a collision check algorithm that I have created for my game, and the algorithm uses recursion.
Now it all works fine, and I thought to myself, what if there was a way to solve this ...
- 73
5
votes
1
answer
347
views
Collision detection method
I think everyone has some code they are embarrassed and not proud of and today I have decided to show mine. I'm not sure how to go about making this more efficient. At the time I was just happy it did ...
- 51
4
votes
0
answers
151
views
Hash Based Data Structure in Java for Collision Calculation
I have started a project on my free time were I'm writing a 2D game engine in Java. One of the more challenging and interesting aspects of such a project is collision detection between sprites on the ...
- 161
11
votes
1
answer
359
views
Basketball Collisions with Box2d
I'm working on a new prototype that is a simple drag and shoot arcade basketball game. For this project I am working with LibGDX and the Box2d physics library.
You can play the game here: Play ...
- 8,569
3
votes
1
answer
289
views
Checking a circle against some bounds in a collision detector
First, some code. I have a class, Circle:
...
- 33
5
votes
2
answers
474
views
Obstacle-avoiding AI
I have made a game in Java that involves two players to fight each other with spaceships. For one player mode, I have programmed a simple AI to avoid allies and asteroids and go straight towards the ...
- 574
3
votes
6
answers
703
views
Conditionally eliminating one of two colliding bodies
I like to explicit return function even for void functions to reduce the use of if-elses, like this code snippet:
...
- 524
5
votes
1
answer
437
views
Platformer with collisions
Today I started to build my first platformer, first time working with collisions and stuff. Now, surprisingly, everything seems to work, but since this is my first time creating a platformer and I'm ...
2
votes
1
answer
74
views
Check for collision with side of screen
I thought of a program where you move a square with the arrow keys. I created it and asked a question about it on Stack Overflow.
I copied the last code block of the accepted answer and tried to ...
7
votes
1
answer
944
views
Quad Tree and Collision Detection Implementation
I have an implementation of a quad tree and abstract collision detection classes. The code works but looks very ugly, but I don't know what I could change to make it better.
The reason I used two ...
- 173