Tagged Questions
The determination of whether or not two or more entities make contact with each other during gameplay.
0
votes
1answer
40 views
2D games on Unity and collision detection performance
I'm developing a 2D game for the iOS platform. I have seen a lot of packages on asset store that makes 2D asset creation for unity easier.
I have narrowed my selection to just 2, 2d toolkit and ex2d. ...
2
votes
1answer
66 views
How do games using physic engines for 2d games handle platform corners?
I have seen games like latest "2'5D" sonics that handle collision detection at platform corners pretty well. The problem I'm having is that my game uses an ellipsoid as my player's body to let it ...
1
vote
1answer
58 views
2D platformer multiple rectangle collision cause jitter
I posted this question two weeks ago: 2D platformer corner collision and I implemented NoobsArePeople2's solution.
Problem is, when player intersects two rectangles that are inside each other, he ...
6
votes
1answer
211 views
MMO Collision detection
I am building a MMO game server for a 2D game and am currently implementing the collision detection, and I am would like to know what I should do.
Lets say I have 1000 players playing and 10,000 ...
3
votes
3answers
159 views
Efficient Tile-based collision detection for a lot of squares?
currently I am working on my own take of a tile-based game (think Terraria, but less fantastical (I think that's a word? Sorry if it isn't)).
Anyway, I currently have collision detection working ...
6
votes
4answers
227 views
If I know a given action will result in a collision, should I allow the action to occur anyway?
I've finished programming my game engine, and now that I've been testing it, I've been noticing some graphics problems.
The big one is that when a player tries to push against a wall, their character ...
2
votes
1answer
84 views
I need help with 2D collision response (of stacking rotating polygons, with friction and gravity, for a game)
Hi I am looking for suggestions on how to write a collision response for game programming purpose (so not a scientific simulation). I am dealing with 2D polygons that are rotating, and I want them to ...
1
vote
1answer
94 views
Binary operation for fast 3D game engine
I had a thought while ago. I read about bitBoard and I was curious, could be the concept be applied in 3D?
What I mean is to use a 3D matrix of boolean value, which correspond to the voxels. So that ...
2
votes
2answers
166 views
Detecting image curve to move a truck on this surface
I have an image background in surface view
I want to move something according to black surface.But i can not do this using height of this image as it return same height.and one more thing ...
2
votes
1answer
82 views
How does double dispatch help collision detection?
There are a few specific techniques to test if one object has hit another object in a game. One of them is called "double dispatch." Can someone explain what double dispatch is, and how it can be used ...
2
votes
1answer
136 views
Platformer collision detection problems
I'm having a few problems with collision detection in my game (written in C# with SDL.Net). Detecting the floor and roof is fine, as does detecting sides of tiles when not jumping/falling. My problem ...
4
votes
1answer
228 views
Collision detection in a 3D heightmap-based world
I'm creating a simple engine to increase my knowledge, and have a Minecraft like world, but the height is only one block.
How would you suggest I detect for collision? AABB would be good, but I have ...
0
votes
1answer
73 views
How to detect collisions in AS3?
I'm trying to make a simple game, when the ball falls into certain block, you win.
Mechanics: The ball falls through several obstacles, in the end there are two blocks, if the ball touches the left ...
0
votes
1answer
92 views
Java Tile Collision Detection not accurate enough
How can I make my isometric tile collision detection more accurate, I'm using the Rectangle class from java to detect collisions but because it's a rectangle it overlaps other rectangles which means ...
3
votes
1answer
98 views
Calculating normal vector on a 2d pixelated map
I want to know an efficient way to get the normal of the surface of a 2d map. suppose an object hit the map, i want the object to bounce accordingly. The problem is, the "bounding box" of said object ...