Bullet is a professional, free 3D Game Multiphysics Library that provides state of the art collision detection, soft body and rigid body dynamics.

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How do I integrate bullet physics into my game?

I downloaded the release file found here, but I'm just not sure where to start. In my game I have a number of oblongs and a sphere, I want all of these to collide with one another. (They all have ...
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3answers
3k views

How do I check collision when firing bullet?

I'm currently creating 2D game from top perspective. I'm having problems with bullets. Yes, I currently simulate their movement so user can see them (about 2x ). Moving them with // this is static ...
3
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1answer
223 views

How do I run a callback when all objects have stopped moving?

I'm using Bullet and want to take some action once all objects in a dynamic world have reached 0 velocity (or at least a value that's very close). I was trying to iterate over all of them all the ...
5
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1answer
4k views

how get collision callback of two specific objects using bullet physics?

I have got problem implementing collision callback into my project. I would like to have detection between two specific objects. I have got normall collision but I want one object to stop or change ...
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2answers
1k views

Simulating the effects of wind

I am developing a mobile game for Android. It is a 3D jumping game (like ski jump) where wind plays a important role so i need to simulate it. How could I achieve this? The game uses libgdx for ...
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2answers
4k views

How to disable Y-axis movement in the Bullet physics engine

I want to create an object than only moves along the the X and Z axes, while keeping the Y-axis disabled (it's like movement in 2D, and the object wont fall down). I'm currently using a 6 dof ...
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1answer
2k views

Detect two specific objects collision with bullet physics

I have got some problem with defining collision between objects in my game using bullet physics. I know that objects are colliding with each other simultaneously and I don't have to do anything more. ...
2
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1answer
3k views

Object rotating error in Bullet Physics with OpenGL

I have got some problem in my OpenGL game. I am using bullet physics and I want to achive quite simple effect - I want one object (a sphere) to roll and hit another (box) which will fall down. I have ...
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1answer
856 views

Change collision body position in Bullet Physics Hello World project

I have got stupid and annoying problem in my app. I am using bullet physics and I've started with hello world example on wiki: http://bulletphysics.org/mediawiki-1.5.8/index.php/Hello_World There is ...
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1answer
874 views

Bullet physics with OpenGL

I have got some problem implementing bullet physics into my opengl game. The thing is that it doesn't want to update my translatef value continously but only at the end. The code for bullet looks like ...
0
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1answer
742 views

Allegro Game Won't Fire 2D Projectile

To begin with I am developing a PSP application so I have no clue how to debug a PSP application. That doesn't mean I do not know how debug period. Anyway, when I run the game everything runs fine but ...
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1answer
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android game using bullet and libgdx

i'm developing a android project for school and i'm currently using libgdx for rendering. It performs quite well, but it lacks a 3d physics library. So i searched and found that Bullet physics engine ...
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3answers
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How do you stop OgreBullet Capsule from falling over?

I've just started implementing bullet into my Ogre project. I followed the install instructions here: http://www.ogre3d.org/tikiwiki/OgreBullet+Tutorial+1 And the rest if the tutorial here: ...
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1answer
659 views

Calculating bullet travel knowing coordinates and radian

I have a player sprite that has a x and y coordinate and also a radian. The radian determines which way the sprite faces in a top-down game interface. In this case, the radian points from the player ...
2
votes
1answer
723 views

Can Bullet Physics (or another 3d physics engine) use callbacks in my engine to check static geometry?

I'm wondering if it's possible to use or hack Bullet 3d Physics (or another free 3D physics engine) so that I don't need to "import" my static geometry into Bullet - instead I want to do it the other ...
3
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2answers
6k views

Ogre 3d and bullet physics interaction

I have been playing around with Ogre3d and trying to integrate bullet physics. I have previously somewhat successfully got this functionality working with irrlicht and bullet and I am trying to base ...
2
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2answers
2k views

How do you setup the Irrlicht and Bullet engines for Android development?

I have begun researching graphics and physics engines to use for an Android 3d game that I would like to make. While researching I stumbled across this page where he talks about how you can use the ...
12
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4answers
5k views

2D tower defense - A bullet to an enemy

I'm trying to find a good solution for a bullet to hit the enemy. The game is 2D tower defense, the tower is supposed to shoot a bullet and hit the enemy guaranteed. I tried this solution - ...
2
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1answer
1k views

How can I exclude some rigid body from rayTest in Bullet Physics?

I'm trying to picking some object with rayTest method of BulletPhysics. The problem is my stage is surrounded with walls (btStaticPlane) and the target objects (btSphereShape) are in there. And I'm ...
6
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1answer
3k views

Should I use procedural animation? [closed]

I have started to make a fantasy 3d fps swordplay game and I want to add animations. I don't want to animate everything by hand because it would take a lot of time, so I decided to use procedural ...
14
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1answer
885 views

What are pros and cons of Voronoi shatter?

I have seen some Voronoi shatter videos on Youtube. What is your experience with it? What are the pros and cons in time complexity, resource complexity, implementation difficulty...? Does it ...
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vote
1answer
354 views

How would I setup the Environment Variables for BulletPhysics?

I am using Bullet Physics v2.78. And Im trying to build this library to be used for ogrebullet. The main problem is that Im getting errors trying to find the Bullet Directory. Im wondering if maybe ...
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2answers
2k views

How would I use GLM for Bullet Physics?

Right now im working on my c++ game, and im having alot of trouble using GLM and Bullet Physics to create my world correctly. The main problem is that when i export my physics with Blenderv2.57, and ...
3
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1answer
2k views

How can I enable CCD in Bullet Physics?

How can I enable Continuous Collision Detection (CCD) in Bullet Physics?
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0answers
302 views

How can I make bodies that do not stick to the wall in Bullet Physics? [duplicate]

Possible Duplicate: Physics engine recommendation which can simulate pool game correctly? I made a Billiards scene with Bullet Physics, but I've got a problem. When the ball is slowing down ...
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3answers
1k views

Can I change shape of a rigid body after it created in Bullet3D?

I'm beginning Bullet3D. Can I change collision shape of a rigid body after it created? A rigid body accepts a collision shape when it's creating, but it's hard to find options changes the collision ...
6
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1answer
1k views

How can I get my meshes to work with Bullet Physics?

The problem is that I'm trying to use my meshes with Bullet Physics for the collision part of my game. When I attempted doing this method with my GLM(model loading library by nate robins) model, I ...
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1answer
3k views

Best 3D Physics Engine to use with Ogre [closed]

I am looking for a good physics engine to use with an Ogre game I'm writing. I would prefer for it to be free, open source, mature, simple to use, easy to learn, and flexible. I'm currently thinking ...
7
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2answers
5k views

Is it worth it to use Bullet for 2D physics instead of Box2D for the sake of learning Bullet?

There isn't much more to the question. I'm not concerned about overhead, as I'm sure they are both fine for my purposes. Basically, I am familiar with Box2D concepts because of the Farseer Physics ...