Questions about how to implement collision detection or dealing with specific implementations and scenarios which complicate the process fall under the purview of this tag. This includes questions about methods to assist in developing a collision detection system, such as how to determine the ...
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What has the most efficient intersection test against an AABB tree - OBB, Cylinder or Capsule?
I'm currently trying to find collisions in 3D between a tighter volume than an AABB and a tree of AABB volumes. I just need to know whether they are intersecting, no closest distance or collision ...
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67 views
2D AABB vs AABB Sweep : How to calculate hit normal?
I've implemented a 2D AABBvsAABB sweep cast into my game, however, I'm having difficulty calculating the hit normal of the sweep cast.
I have the sweep direction, both a and b AABB positions and xy ...
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Where in code to for collision? In object class? Mainline code?
Making a simple game in Love 2D framework where if I click on an object then it disappears.
Do I check to see if I've clicked the enemy inside a function in the enemy object? Or just in my main.lua? ...
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adding contacts in “cyclone”
I am trying to adapt the Cyclone physics engine ( http://procyclone.com/, source code: https://github.com/idmillington/cyclone-physics/) to work with my game, and for my game I think that it would be ...
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99 views
GameObject and Components
I am creating a relatively simple game engine in C++ and Qt. I am using Irrlicht for graphics, and as of now, I will not be using any physics or audio libraries. For time's sake, I am using ...
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Collisions between moving ball and polygons
I know this is a very typical problem and that there area a lot of similar questions, but I have been looking for a while and I have not found anything that fits what I want.
I am developing a 2D ...
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1answer
76 views
3D Collision help
I'm having difficulties with my project. I'm quite new in XNA. Anyway, I'm trying to make 3D game and I'm already stuck on one basic thing. I have terrain made from a heightmap, and an avatar model. I ...
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75 views
Reflect angle on pong clone
I'm working on collision detection for a pong clone. I've calculated the angle of incidence but I can't find any information on how to specular reflect the angle I found.
The code for calculating the ...
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77 views
AS3 hittest with a tweening movieclip, what is the best way?
I'm making a simple game. The character is movable with the arrow keys.
The enemies are moving around the screen with a (classic) tween.
I want to detect collision between the character and the ...
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2answers
120 views
How can I do fast Triangle/Square vs Triangle collision detection?
I have a game world where the objects are in a grid based environment with the following restrictions.
All of the triangles are 45-90-45 triangles that are unit length. They can only rotate 90°. The ...
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70 views
Collision Detection Efficiency
I've just written my first successful collision detection code, and it works great for a small scene of actors (player + 4-5 obstacles).
However, I realize that since it checks every possible ...
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93 views
Sprite collisions in android andengine
I'm developing a simple game by andengine. I have 10 balls which are moving randomly on screen.i'm importing the balls as picture in sprites.if they move at the same coordinate , they pass though ...
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69 views
Change of direction after Collision
I am having a pickup image which is moving at random direction and have to change the direction after collision with some tiles, which are a rectangle. I've my own algorithm for detecting the ...
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2answers
127 views
How to calculate the direction a ball must bounce
I have a tile engine I have made. I can detect collision between the ball(the player) and the tiles. When a collision is detected all the colliding tiles are stored inside a list. My question now is, ...
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1answer
103 views
SAT and then what?
I am on my way to make another Arkanoid game but this time I decided that I want it a little bit more realistic than just checking intersections between AABB and inverting one vector's component on ...
