Questions tagged [collision]
In collision detection problems, the challenge is to determine when shapes intersect each other.
106
questions
16
votes
3
answers
7k
views
2D Collision Detection in C++
I'm attempting to rewrite the classic snake game in c++. What I am inquiring about is my implementation for a 2D collision detection function. I am utilizing ...
- 10.3k
4
votes
1
answer
190
views
Creating a maze game where the game resets if you hit traps/walls and finishes when you hit a different color
Here’s my code, the traps are the slightly visible squares. The user controls a red square (with arrow keys) and cannot touch the walls or traps or else the game resets. Additionally, if the user ...
- 41
3
votes
1
answer
202
views
Making a grid for collision detection in a game that wraps
I'm making a 2D game which wraps (when you move off the right edge, you appear on the left, etc). The game area is square, all objects are circles (with AABB smaller than the game area, and in most ...
- 227
4
votes
1
answer
1k
views
Bounding volume hierarchy C++
Here is a C++ implementation of a bounding volume hierarchy, aimed for fast collision detection (view frustum, rays, other bounding volumes). It is based on the ideas from the book "Real-Time ...
user167941
1
vote
2
answers
237
views
Simplify JavaScript collision detection with offset [closed]
I am working on a background project that is a little interactive. Now I am using some collision detection to draw some lines and stuff.
The code I have works great but it is very bulky and hard to ...
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 ...
2
votes
1
answer
602
views
C++ Breakout game using SDL
I did a big mistake to create procedural C++ breakout game on start and now im having trouble converting it into OOP.
As far as I can see I need classes: Loptica (eng. Ball), Splav (eng. Paddle), ...
3
votes
1
answer
272
views
Flood Fill using unordered_map which has user-defined type as key
I have an implementation of the flood fill algorithm. Assume that an image is provided as a vector of ...
- 539
5
votes
2
answers
10k
views
Python Turtle based Pong game
I'm new to Python but I've coded in other languages mainly for hardware. I made Pong in Python using turtle but it's a little glitchy. I was wondering if any of you guys could check it out and give ...
5
votes
1
answer
779
views
Collision detection for moving 2D objects
After implementing SAT (separating axis theorem) and not being happy with it only working on stationary shapes, this in theory allowing for fast objects to glitch through others, I came up with this ...
- 271
3
votes
2
answers
307
views
Platformer Game: Arrow Key Player Movement and Collision Detection
I am in the middle of working on this game and I still need to add some things (e.g. score, coin counters, etc.) but I really feel like there is way too much unneeded code. Could you help me simplify ...
- 33
5
votes
1
answer
307
views
Line and bitmap collision detection
I am trying to implement an efficient collision detection between a line joining two points and a bitmap mask.
Example:
Currently I am using Bresenham's line drawing algorithm to draw each pixel of ...
- 153
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
5
votes
1
answer
50
views
Mutable 2d Rect class
So I wrote a 2d rectangle class for use in a 2d pygame based game engine. It uses the vector class from this question, so if you want to test, you need that code too. I want to ask: Does this ...
- 413
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