bullet3 | Bullet Physics SDK : real-time collision detection
kandi X-RAY | bullet3 Summary
kandi X-RAY | bullet3 Summary
Bullet Physics SDK: real-time collision detection and multi-physics simulation for VR, games, visual effects, robotics, machine learning etc.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of bullet3
bullet3 Key Features
bullet3 Examples and Code Snippets
Lines of Code : 11License : Strong Copyleft (CC BY-SA 4.0)
Copyrot_x_180 = np.array(
[
[1, 0, 0, 0],
[0, -1, 0, 0],
[0, 0, -1, 0],
[0, 0, 0, 1],
]
)
tf_mat = rot_x_180 @ tf_world_to_camera
view_matrix = tf_mat.flatten(order="F")
import pybullet as p
import numpy as np
import time
import pybullet_data
import cv2
import os
VIDEO_RESOLUTION = (1280, 720)
MY_COLORS = [(255,0,0), (0,255,0), (0,0,255)]
K=np.array([[1280,0,0],[0,720,0],[0,0,1]])
def capture_frame(base_p.setAdditionalSearchPath(pybullet_data.getDataPath())
import argparse
if __name__ == "__main__":
# create the top-level parser
my_parser = argparse.ArgumentParser(
prog="PROG",
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
)
# create sub-parser
import pybullet as p
import pybullet_utils.bullet_client as bc
class Foo:
def __init__(self, counter):
self.physicsClient = bc.BulletClient(connection_mode=p.DIRECT)
def setGravity(self):
self.physicsClient.setGrCommunity Discussions
Trending Discussions on bullet3
QUESTION
I am very much lost here and could really use some help.
I'm working on an Honours project for next year that involves a physics simulation using Bullet and Vulkan for rendering. After a few months of work I have most of the project functioning. It needs a lot of refactoring and cleaning which will be the next stage.
I have been using a makefile but wish to migrate to CMake for a few reasons. Mainly because it seems to be the standard and because I want to compile for different OS's in the future (I'm running Linux but may need to deploy on Windows or Mac). Finally, I was recompiling the whole project for even a small change, which was beginning to become a problem as I started Unit Testing more.
The old makefile is as follows :
...ANSWER
Answered 2021-Jul-28 at 20:03After all that.
The set_and_include() error is a known issue and mathisloge over at vcpkg git said the Bullet package needs to be updated. The workaround is to change the calls to set().
The ordering of the target libraries is important. The suggested way in the Bullet vcpkg package is :
QUESTION
I am trying to learn how Twilio works, and uppon login I should login to the service and save that secret for usage in Android. See https://www.twilio.com/docs/voice/sdks/android/get-started#bullet3
However - its not documented how to read that secret. On linux its saved using libsecret - which has a command line tool to read (libsecret-common contains a command line called `secret-tool), however its not documented how the secret is stored there (so retrieval is not trivial). Windows has a similar problem.
So: where do I get the secret generated at login?
...ANSWER
Answered 2021-Jul-26 at 07:01Twilio developer evangelist here.
If you can't find the api key and secret that are saved as part of the Twilio CLI, you can create another set of keys for your application. Open up the Twilio console here and create a new API key and secret and you can use those values.
QUESTION
I would like to add color to a bulleted list within a text portion of an RMarkdown script intended for HTML. I've tried many different things that all seem to work for a single line of text, but not for multiple lines. Here is an example. The first line "I am red text" ends up rendering in red, but the bulleted list do not:
...ANSWER
Answered 2021-Feb-15 at 19:26EDIT
Following a new information in the comments by the OP, here is a solution for multi colored bullet lists:
QUESTION
I am an Ultra Linux newbie, and I am trying to install this program and when I try to build the python wrapper I'd get this
...ANSWER
Answered 2021-Feb-06 at 18:11You're missing a dependency, Eigen, which is listed under 'Dependencies' in the DeepMimic readme.
I see this problem has been encountered before: fatal error: Eigen/Dense: No such file or directory
QUESTION
I have built bullet3-3.08 on Windows using cmake (commands have been executed from the build folder created in the bullet3-3.08 directory):
...ANSWER
Answered 2021-Jan-14 at 15:37As Bullet provides a BulletConfig.cmake file it is quite simple to link against Bullet.
First you need to install Bullet (if not done so) and add -DCMAKE_PREFIX_PATH=C:/MyLibs/bullet3-3.08 (or the appropriate installation directory) to your cmake command line.
Then in your CMakeLists.txt file you need to add
QUESTION
I have built bullet3-3.08 on Windows using cmake (commands have been executed from the build folder created in the bullet3-3.08 directory):
...ANSWER
Answered 2021-Jan-13 at 14:07When building bullet3-3.08 on Windows with Visual Studio project files the libraries are not installed by default.
You need to add -DINSTALL_LIBS=ON to your command line to enable the installation, e.g.
QUESTION
I have a node in my XML data named this node contains a unique value, say 45678. Via XSLT, I'd like to only include this node's data, if 45678 is found more than once (1) in the complete data set. The end result can modify the existing node, or create a new one called . The end result of this data creates "Parent with children" products. The productId value groups all similar products together, the problem, is that sometimes there is only 1 product with that key, and I shouldn't create a parent product.
IMPORTANT NOTE: Why I'm struggling so much, is 1st, I'm still brand new to XSL, and second, the current version of the engine does not allow me to use EXSLT, but it appears I can use PHP if necessary.
Sample Data Set
0243176820 This value you can see is used multiple times, and in this case it should be included in the result data, 1136194258 but this one is only included once.
Sample Data Below
...ANSWER
Answered 2020-Dec-23 at 06:26To check the uniqueness of a value in XSLT 1.0, you can use a slight modification of Muenchian grouping.
Here's a minimal example:
XSLT 1.0
QUESTION
The problem, I have data that exists in XML format, however, critical pieces of data are not supplied in separate nodes. Such as an item's size, color, fitment. While I'd normally provide what I've tried, I don't even know where to start. I've found a lot of examples on how to check for if a value is found, but nothing how to take that matched value, and then return it within an element. I can only use xslt 1.0
This is a key section, I need help with, but lower in this post, I include full sample data and my current XSL Template
...ANSWER
Answered 2020-Dec-22 at 07:01This is a fine mess.
It's a mess, because XSLT is designed to handle structured data, but your data provider chose not to take advantage of the structure XML provides. The type of processing required here would be much better handled by regex - however, regex support was only introduced in XSLT 2.0.
That said, let's see what can be done:
The first task:
If
contains Black, Flat Back, Chrome element finish shoud return the value that is found
is relatively easy: assuming that the possible finish options are mutually exclusive, you could do:
QUESTION
I am trying to wrap the btCollisionWorld C++ class of the Bullet Physics library with Cython. I have had good success generally with the physics simulation parts of the library but I have run into trouble trying to wrap the collision detection parts.
If you look at https://github.com/kripken/bullet/blob/master/src/BulletCollision/CollisionDispatch/btCollisionWorld.h you will find the .h file that contains the btCollisionWorld class that I am trying to wrap. This is actually a somewhat newer version than what I am working with but I believe it is the same in the important respects.
(Also if you look at https://github.com/bulletphysics/bullet3/blob/master/examples/Raycast/RaytestDemo.cpp you will see an example C++ program that makes use of the library. That may be helpful additional context to show the kind of thing I want to be able to do in Cython, and what I can do for the normal physics part of Bullet Physics.)
Generally I can access some parts of the btCollisionWorld class through Cython. For example, if I put the following in my .pxd file:
...ANSWER
Answered 2020-Dec-11 at 17:48I think you're just failing to distinguish between the type name and the member name. Something like this works for me (at least gets through the cython stage):
QUESTION
ANSWER
Answered 2020-Aug-07 at 10:48Just add color stops to your gradient
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Install bullet3
Click on build_visual_studio_vr_pybullet_double.bat and open build3/vs2010/0_Bullet3Solution.sln When asked, convert the projects to a newer version of Visual Studio. If you installed Python in the C:\ root directory, the batch file should find it automatically. Otherwise, edit this batch file to choose where Python include/lib directories are located.
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