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add getAABB.py example.

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fix getAABB / b3RequestCollisionInfoCommandInit to use less stack memory
This commit is contained in:
Erwin Coumans
2017-06-16 18:10:10 -07:00
parent 40cb8006ee
commit 23b155a2b4
9 changed files with 222 additions and 60 deletions
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146
examples/SharedMemory/PhysicsServerCommandProcessor.cpp
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@@ -4023,6 +4023,105 @@ bool PhysicsServerCommandProcessor::processCommand(const struct SharedMemoryComm
hasStatus = true;
break;
}
case CMD_REQUEST_COLLISION_INFO:
{
SharedMemoryStatus& serverCmd = serverStatusOut;
serverStatusOut.m_type = CMD_REQUEST_COLLISION_INFO_FAILED;
hasStatus=true;
int bodyUniqueId = clientCmd.m_requestCollisionInfoArgs.m_bodyUniqueId;
InteralBodyData* body = m_data->m_bodyHandles.getHandle(bodyUniqueId);
if (body && body->m_multiBody)
{
btMultiBody* mb = body->m_multiBody;
serverStatusOut.m_type = CMD_REQUEST_COLLISION_INFO_COMPLETED;
serverCmd.m_sendCollisionInfoArgs.m_numLinks = body->m_multiBody->getNumLinks();
serverCmd.m_sendCollisionInfoArgs.m_rootWorldAABBMin[0] = 0;
serverCmd.m_sendCollisionInfoArgs.m_rootWorldAABBMin[1] = 0;
serverCmd.m_sendCollisionInfoArgs.m_rootWorldAABBMin[2] = 0;
serverCmd.m_sendCollisionInfoArgs.m_rootWorldAABBMax[0] = -1;
serverCmd.m_sendCollisionInfoArgs.m_rootWorldAABBMax[1] = -1;
serverCmd.m_sendCollisionInfoArgs.m_rootWorldAABBMax[2] = -1;
if (body->m_multiBody->getBaseCollider())
{
btTransform tr;
tr.setOrigin(mb->getBasePos());
tr.setRotation(mb->getWorldToBaseRot().inverse());
btVector3 aabbMin,aabbMax;
body->m_multiBody->getBaseCollider()->getCollisionShape()->getAabb(tr,aabbMin,aabbMax);
serverCmd.m_sendCollisionInfoArgs.m_rootWorldAABBMin[0] = aabbMin[0];
serverCmd.m_sendCollisionInfoArgs.m_rootWorldAABBMin[1] = aabbMin[1];
serverCmd.m_sendCollisionInfoArgs.m_rootWorldAABBMin[2] = aabbMin[2];
serverCmd.m_sendCollisionInfoArgs.m_rootWorldAABBMax[0] = aabbMax[0];
serverCmd.m_sendCollisionInfoArgs.m_rootWorldAABBMax[1] = aabbMax[1];
serverCmd.m_sendCollisionInfoArgs.m_rootWorldAABBMax[2] = aabbMax[2];
}
for (int l=0;l<mb->getNumLinks();l++)
{
serverCmd.m_sendCollisionInfoArgs.m_linkWorldAABBsMin[3*l+0] = 0;
serverCmd.m_sendCollisionInfoArgs.m_linkWorldAABBsMin[3*l+1] = 0;
serverCmd.m_sendCollisionInfoArgs.m_linkWorldAABBsMin[3*l+2] = 0;
serverCmd.m_sendCollisionInfoArgs.m_linkWorldAABBsMax[3*l+0] = -1;
serverCmd.m_sendCollisionInfoArgs.m_linkWorldAABBsMax[3*l+1] = -1;
serverCmd.m_sendCollisionInfoArgs.m_linkWorldAABBsMax[3*l+2] = -1;
if (body->m_multiBody->getLink(l).m_collider)
{
btVector3 aabbMin,aabbMax;
body->m_multiBody->getLinkCollider(l)->getCollisionShape()->getAabb(mb->getLink(l).m_cachedWorldTransform,aabbMin,aabbMax);
serverCmd.m_sendCollisionInfoArgs.m_linkWorldAABBsMin[3*l+0] = aabbMin[0];
serverCmd.m_sendCollisionInfoArgs.m_linkWorldAABBsMin[3*l+1] = aabbMin[1];
serverCmd.m_sendCollisionInfoArgs.m_linkWorldAABBsMin[3*l+2] = aabbMin[2];
serverCmd.m_sendCollisionInfoArgs.m_linkWorldAABBsMax[3*l+0] = aabbMax[0];
serverCmd.m_sendCollisionInfoArgs.m_linkWorldAABBsMax[3*l+1] = aabbMax[1];
serverCmd.m_sendCollisionInfoArgs.m_linkWorldAABBsMax[3*l+2] = aabbMax[2];
}
}
}
else
{
if (body && body->m_rigidBody)
{
btRigidBody* rb = body->m_rigidBody;
SharedMemoryStatus& serverCmd = serverStatusOut;
serverStatusOut.m_type = CMD_REQUEST_COLLISION_INFO_COMPLETED;
serverCmd.m_sendCollisionInfoArgs.m_numLinks = 0;
serverCmd.m_sendCollisionInfoArgs.m_rootWorldAABBMin[0] = 0;
serverCmd.m_sendCollisionInfoArgs.m_rootWorldAABBMin[1] = 0;
serverCmd.m_sendCollisionInfoArgs.m_rootWorldAABBMin[2] = 0;
serverCmd.m_sendCollisionInfoArgs.m_rootWorldAABBMax[0] = -1;
serverCmd.m_sendCollisionInfoArgs.m_rootWorldAABBMax[1] = -1;
serverCmd.m_sendCollisionInfoArgs.m_rootWorldAABBMax[2] = -1;
if (rb->getCollisionShape())
{
btTransform tr = rb->getWorldTransform();
btVector3 aabbMin,aabbMax;
rb->getCollisionShape()->getAabb(tr,aabbMin,aabbMax);
serverCmd.m_sendCollisionInfoArgs.m_rootWorldAABBMin[0] = aabbMin[0];
serverCmd.m_sendCollisionInfoArgs.m_rootWorldAABBMin[1] = aabbMin[1];
serverCmd.m_sendCollisionInfoArgs.m_rootWorldAABBMin[2] = aabbMin[2];
serverCmd.m_sendCollisionInfoArgs.m_rootWorldAABBMax[0] = aabbMax[0];
serverCmd.m_sendCollisionInfoArgs.m_rootWorldAABBMax[1] = aabbMax[1];
serverCmd.m_sendCollisionInfoArgs.m_rootWorldAABBMax[2] = aabbMax[2];
}
}
}
break;
}
case CMD_REQUEST_ACTUAL_STATE:
{
BT_PROFILE("CMD_REQUEST_ACTUAL_STATE");
@@ -4077,28 +4176,7 @@ bool PhysicsServerCommandProcessor::processCommand(const struct SharedMemoryComm
serverCmd.m_sendActualStateArgs.m_rootLocalInertialFrame[6] =
body->m_rootLocalInertialFrame.getRotation()[3];
serverCmd.m_sendActualStateArgs.m_rootWorldAABBMin[0] = 0;
serverCmd.m_sendActualStateArgs.m_rootWorldAABBMin[1] = 0;
serverCmd.m_sendActualStateArgs.m_rootWorldAABBMin[2] = 0;
serverCmd.m_sendActualStateArgs.m_rootWorldAABBMax[0] = -1;
serverCmd.m_sendActualStateArgs.m_rootWorldAABBMax[1] = -1;
serverCmd.m_sendActualStateArgs.m_rootWorldAABBMax[2] = -1;
if (body->m_multiBody->getBaseCollider())
{
btVector3 aabbMin,aabbMax;
body->m_multiBody->getBaseCollider()->getCollisionShape()->getAabb(tr,aabbMin,aabbMax);
serverCmd.m_sendActualStateArgs.m_rootWorldAABBMin[0] = aabbMin[0];
serverCmd.m_sendActualStateArgs.m_rootWorldAABBMin[1] = aabbMin[1];
serverCmd.m_sendActualStateArgs.m_rootWorldAABBMin[2] = aabbMin[2];
serverCmd.m_sendActualStateArgs.m_rootWorldAABBMax[0] = aabbMax[0];
serverCmd.m_sendActualStateArgs.m_rootWorldAABBMax[1] = aabbMax[1];
serverCmd.m_sendActualStateArgs.m_rootWorldAABBMax[2] = aabbMax[2];
}
//base position in world space, carthesian
serverCmd.m_sendActualStateArgs.m_actualStateQ[0] = tr.getOrigin()[0];
@@ -4200,29 +4278,7 @@ bool PhysicsServerCommandProcessor::processCommand(const struct SharedMemoryComm
serverCmd.m_sendActualStateArgs.m_linkState[l*7+5] = linkCOMRotation.z();
serverCmd.m_sendActualStateArgs.m_linkState[l*7+6] = linkCOMRotation.w();
serverCmd.m_sendActualStateArgs.m_linkWorldAABBsMin[3*l+0] = 0;
serverCmd.m_sendActualStateArgs.m_linkWorldAABBsMin[3*l+1] = 0;
serverCmd.m_sendActualStateArgs.m_linkWorldAABBsMin[3*l+2] = 0;
serverCmd.m_sendActualStateArgs.m_linkWorldAABBsMax[3*l+0] = -1;
serverCmd.m_sendActualStateArgs.m_linkWorldAABBsMax[3*l+1] = -1;
serverCmd.m_sendActualStateArgs.m_linkWorldAABBsMax[3*l+2] = -1;
if (body->m_multiBody->getLink(l).m_collider)
{
btVector3 aabbMin,aabbMax;
body->m_multiBody->getLinkCollider(l)->getCollisionShape()->getAabb(mb->getLink(l).m_cachedWorldTransform,aabbMin,aabbMax);
serverCmd.m_sendActualStateArgs.m_linkWorldAABBsMin[3*l+0] = aabbMin[0];
serverCmd.m_sendActualStateArgs.m_linkWorldAABBsMin[3*l+1] = aabbMin[1];
serverCmd.m_sendActualStateArgs.m_linkWorldAABBsMin[3*l+2] = aabbMin[2];
serverCmd.m_sendActualStateArgs.m_linkWorldAABBsMax[3*l+0] = aabbMax[0];
serverCmd.m_sendActualStateArgs.m_linkWorldAABBsMax[3*l+1] = aabbMax[1];
serverCmd.m_sendActualStateArgs.m_linkWorldAABBsMax[3*l+2] = aabbMax[2];
}
btVector3 worldLinVel(0,0,0);
btVector3 worldAngVel(0,0,0);