小编ada*_*dam的帖子

我有一个应用程序,我希望能够从Python中的数据生成PNG图像.我做了一些搜索,发现"PIL"看起来已经过时了.还有其他一些库会更好吗？

谢谢,

我正在使用以下代码使用bullet物理引擎建立一个简单的世界.当我运行它时,框不会表现得真实,因为它们不会旋转.这就像他们的轮换被锁定一样.有没有人以前见过这样的东西或者知道是什么原因造成的？谢谢.

World::World()
{
mBroadphase = new btDbvtBroadphase();
mCollisionConfiguration = new btDefaultCollisionConfiguration();
mDispatcher = new btCollisionDispatcher(mCollisionConfiguration);
mSolver = new btSequentialImpulseConstraintSolver();
mWorld = new btDiscreteDynamicsWorld(mDispatcher, mBroadphase, mSolver, mCollisionConfiguration);
mWorld->setGravity(btVector3(0, -10, 0));

mGroundShape = new btStaticPlaneShape(btVector3(0, 1, 0), 1);
mBoxShape = new btBoxShape(btVector3(4, 1.5, 1));

mGroundMotionState = new btDefaultMotionState(btTransform(btQuaternion(0, 0, 0, 1), btVector3(0, -10, 0)));
btRigidBody::btRigidBodyConstructionInfo groundRBCI(0, mGroundMotionState, mGroundShape, btVector3(0, 0, 0));

mGroundRigidBody = new btRigidBody(groundRBCI);
mGroundRigidBody->setUserIndex(1);
mWorld->addRigidBody(mGroundRigidBody);

btScalar mass = 1;
btVector3 boxInertia(0, 0, 0);
mBoxShape->calculateLocalInertia(mass, boxInertia);

mBoxMotionState1 = new btDefaultMotionState(btTransform(btQuaternion(0, 0, …