Tagged Questions
6
votes
2answers
2k views
Tiled based map collision detection problem
I'm working on a tile-based Mario clone. I have implemented the tile based collision method from the tutorial http://www.tonypa.pri.ee/tbw/tut05.html.
This works all fine when walking and falling. ...
5
votes
2answers
2k views
How to handle pixel-perfect collision detection with rotation?
Does anyone have any ideas how to go about achieving rotational pixel-perfect collision detection with Bitmaps in Android? Or in general for that matter? I have pixel arrays currently but I don't know ...
5
votes
3answers
2k views
A more sophisticated ball-paddle collision algorithm for Breakout?
I have a simple breakout game I'm working on. The collision code is solid; things bounce as they should and don't pass through things or do other funkiness, but the reflection is a bit simplistic. As ...
4
votes
4answers
556 views
More efficient in range checking
I am going to use a specific example in my question, but overall it is pretty general. I use java and libgdx.
I have a ship that moves through space. In space there is debris that the ship can ...
4
votes
4answers
5k views
2D Platformer Collisions
I've basically asked this question before, and I know it's been asked probably a billion times, but I still can't seem to do it. All I want to know is how I should go about doing basic 4-way, ...
4
votes
1answer
1k views
How can I detect collision between a circle and a rectangle?
i'm trying to make a clone of brick breaker, one problem that i am running in to is to do with collision. i know how to detect if a collision has happened but i do not know how to check what side of ...
4
votes
4answers
532 views
Point of contact of 2 OBBs?
I'm working on the physics for my GTA2-like game so I can learn more about game physics.
The collision detection and resolution are working great.
I'm now just unsure how to compute the point of ...
4
votes
5answers
814 views
Should my game handle collisions in the Player object?
I'm making a 2D platform game. Right now I'm just working on making a very generic Player class. I'm wondering if it would be more efficient/better practice to have an ActionListener within the Player ...
3
votes
2answers
2k views
Breakout Collision: Detecting the side of collision
I am writing a breakout clone (my first game) and am totally stuck as to how I figure out which side of the brick was hit.
I have a collision detection method that looks like this:
...
3
votes
3answers
200 views
How to choose cell to put entity in in an uniform grid used for broad phase collision detection?
I'm trying to implement the broad phase of my collision detection algorithm. My game is an arcade game with lot of moving entities in an open space with relatively equivalent sizes.
Regarding the ...
3
votes
1answer
137 views
Minimizing amount of comparisons for collisions?
In my 'Terraria' based game I am having lag issues. The cause of the lag is as follows:
Every update loop through all the tiles in the world:
If the rectangle that was passed as an arg intersects ...
3
votes
1answer
847 views
Circle-Rectangle collision in a tile map game
I am making a 2D tile map based putt-putt game.
I have collision detection working between the ball and the walls of the map, although when the ball collides at the meeting point between 2 tiles I ...
3
votes
3answers
1k views
Ball collisions 'sticking' together
I have a program which simulates many bouncing balls. The balls can bounce off each other and off the sides of the container.
The problem I am having is that sometimes when two balls collide, they ...
3
votes
3answers
1k views
Collision Detection in Java for a game
Im making a game in Java with a few other people but we are stuck on one part of it, making the collision detection. The game is an RPG and I know how to do the collision detection with the characters ...
3
votes
1answer
1k views
New Vector Calculation for Elastic Collision of Circle and Fixed Rectangle
I am writing a fairly simple breakout-style game for Android phones. I have successfully detected the collisions between the ball(s) and bricks. The problem that I am having is in calculating the new ...
