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o3de/Gems/PhysX/Code/Source/HingeJointComponent.cpp

96 lines
2.9 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project. For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#include <PhysX_precompiled.h>
#include <Source/HingeJointComponent.h>
#include <PhysX/MathConversion.h>
#include <PhysX/PhysXLocks.h>
#include <AzCore/Component/TransformBus.h>
#include <AzFramework/Physics/RigidBodyBus.h>
#include <AzFramework/Physics/SimulatedBodies/RigidBody.h>
#include <PxPhysicsAPI.h>
namespace PhysX
{
void HingeJointComponent::Reflect(AZ::ReflectContext* context)
{
AZ::SerializeContext* serializeContext = azrtti_cast<AZ::SerializeContext*>(context);
if (serializeContext)
{
serializeContext->Class<HingeJointComponent, JointComponent>()
->Version(2)
;
}
}
HingeJointComponent::HingeJointComponent(const GenericJointConfiguration& config
, const GenericJointLimitsConfiguration& angularLimitConfig)
: JointComponent(config, angularLimitConfig)
{
}
void HingeJointComponent::InitNativeJoint()
{
if (m_joint)
{
return;
}
JointComponent::LeadFollowerInfo leadFollowerInfo;
ObtainLeadFollowerInfo(leadFollowerInfo);
if (!leadFollowerInfo.m_followerActor)
{
return;
}
PHYSX_SCENE_READ_LOCK(leadFollowerInfo.m_followerActor->getScene());
m_joint = AZStd::make_shared<HingeJoint>(physx::PxRevoluteJointCreate(
PxGetPhysics(),
leadFollowerInfo.m_leadActor,
leadFollowerInfo.m_leadLocal,
leadFollowerInfo.m_followerActor,
leadFollowerInfo.m_followerLocal),
leadFollowerInfo.m_leadBody,
leadFollowerInfo.m_followerBody);
InitAngularLimits();
}
void HingeJointComponent::InitAngularLimits()
{
if (!m_joint)
{
return;
}
physx::PxRevoluteJoint* revoluteJointNative = static_cast<physx::PxRevoluteJoint*>(m_joint->GetNativePointer());
if (!revoluteJointNative)
{
return;
}
if (!m_limits.m_isLimited)
{
revoluteJointNative->setRevoluteJointFlag(physx::PxRevoluteJointFlag::eLIMIT_ENABLED, false);
return;
}
physx::PxJointAngularLimitPair limitPair(AZ::DegToRad(m_limits.m_limitSecond)
, AZ::DegToRad(m_limits.m_limitFirst)
, m_limits.m_tolerance);
if (m_limits.m_isSoftLimit)
{
limitPair.stiffness = m_limits.m_stiffness;
limitPair.damping = m_limits.m_damping;
}
revoluteJointNative->setLimit(limitPair);
revoluteJointNative->setRevoluteJointFlag(physx::PxRevoluteJointFlag::eLIMIT_ENABLED, true);
}
} // namespace PhysX