1
vote
0answers
66 views

2D Collision Resolution getting stuck on walls

I've been writing this collision detection system using a tutorial from an article I read and I just cannot for the life of me get it to function 100% correctly. Here's the code for starters: ...
2
votes
2answers
117 views

Collision detection - make sure the player touches the object exactly

I know this is really something I should be able to figure out on my own, but a solution is evading me. Okay, here are a few relevant parts of my code. bool Game::Col(int x1,int y1,int w1,int h1, ...
0
votes
1answer
103 views

Implementing collision response, current implementation does too many checks

I don't know how I should handle my collision response when collision between two entities leads to second collision with third entity. Blue arrow is velocity of the rightmost entity and numbers ...
2
votes
1answer
116 views

How to calculate new velocities between resting objects (AABB) after accelerations?

lately I have been trying to create a 2D platformer engine in C++ with Direct2D. The problem I am currently having is getting objects that are resting against each other to interact correctly after ...
5
votes
3answers
591 views

When two moving objects collide, which one sends the message, and which one recieves it?

I am writing a platform game using an entity-component system. Entity-World collisions are robust and work very well, and I'm now working on collisions between entities. Just to be clear, in my code ...
3
votes
1answer
239 views

2D collision resolution: works on each axis individually, but not with both combined

My collision detection method is solid and detects box to box collision every time. Then comes the resolve part which I'm struggling with quite a bit. It works perfectly when I'm manipulating the ...
2
votes
1answer
194 views

Collision Resolution: How to avoid Interpenetration/Tunneling Caused by Prior Collision Handling? [duplicate]

My game processes world collisions followed by entity collisions. The problem here is that entities can break through walls the next frame when world checks are run again as a result of the prior ...
2
votes
1answer
225 views

Get intersected volume of two planes in 3D

I'm working on AABB - AABB collision response and I'm having trouble figuring one part out. My situation is as follows (see image). I have a player AABB (blue) and an object which collides (brown). ...
3
votes
1answer
234 views

How to handle collision resolution in a top-down car game?

I have a top-down car game which takes place in an arena. The game is very very light on physics, so I'm not actually using a physics engine. The cars' movement is mostly managed by a struct I called ...
0
votes
0answers
155 views

Simulating smooth movement along a line after calculating a collision containing a restitution of zero in 2D

[for tl;dr see after listing] //...Code to determine shapes types involved in collision here... //...Rectangle-Line collision detected. ...
3
votes
3answers
1k views

Circle-Rectangle collision resolution

I have a non axis aligned rectangle, like a car, in my game. I have to check and resolve the collision between the rectangle and circle, which is stationary. I have found lots of ways to determine ...
2
votes
3answers
228 views

Collision organization problems

I just started playing around with c++ and some SFML. I'm going to create a 2D game with top view to test my ability and I came across a very big problem: collision detection and physics. So I see at ...
4
votes
3answers
3k views

Implementing Separating Axis Theorem (SAT) and Minimum Translation Vector (MTV)

I was following codezealot's tutorial on SAT and MTV and trying to implement it myself but I've come a cropper when it comes to getting the correct MTV. Here is my example: (Cue pretty pictures...) ...
9
votes
4answers
1k views

Collision rectangle response

I'm having difficulties getting a moveable rectangle to collide with more than one rectangle. I'm using SFML and it has a handy function called intersects which takes 2 rectangles and returns the ...
1
vote
1answer
349 views

Why does my 2d collision and movement not work properly?

I'm trying to write(in c++ using sdl) a mario like game as in a tile based world with by pixel movement for the character and I've run into some problems I cannot seem to find the source of: 1.The ...