我在python类中使用pybullet。我将其导入为import pybullet as p
。
当我有几个使用pybullet的类实例时,类p
是否对每个实例都相同,还是每个实例的“变量” p唯一?
foo.py
import pybullet as p
class Foo:
def __init__(self, counter):
physicsClient = p.connect(p.DIRECT)
def setGravity(self):
p.setGravity(0, 0, -9.81)
(more code)
和main.py
from foo import Foo
foo1 = Foo(1)
foo2 = Foo(2)
foo1.setGravity()
setGravity()
是否会影响foo1和foo2或仅仅是foo1中的p
?
答案 0 :(得分:4)
您可以使用bullet_client获取两个不同的实例。像这样:
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.setGravity(0, 0, -9.81)
foo1 = Foo(1)
foo2 = Foo(2)
foo1.setGravity()
foo2.setGravity()
print("Adress of foo1 bullet client 1 : " + str(foo1.physicsClient))
print("Adress of foo2 bullet client 2 : " + str(foo2.physicsClient))
输出:
Adress of foo1 bullet client 1 :
<pybullet_utils.bullet_client.BulletClient object at 0x7f8c25f12460>
Adress of foo2 bullet client 2 :
<pybullet_utils.bullet_client.BulletClient object at 0x7f8c0ed5a4c0>
在这里您可以看到:您有两个不同的实例,每个实例存储在不同的地址中
请参阅以下官方示例中的以下示例: https://github.com/bulletphysics/bullet3/blob/master/examples/pybullet/gym/pybullet_utils/examples/multipleScenes.py