Files
FlaxEngine/Source/Engine/Physics/Joints/SliderJoint.cpp

104 lines
2.8 KiB
C++

// Copyright (c) Wojciech Figat. All rights reserved.
#include "SliderJoint.h"
#include "Engine/Serialization/Serialization.h"
#include "Engine/Physics/PhysicsBackend.h"
SliderJoint::SliderJoint(const SpawnParams& params)
: Joint(params)
, _flags(SliderJointFlag::Limit)
{
_limit.Lower = -50.0f;
_limit.Upper = 50.0f;
}
void SliderJoint::SetFlags(const SliderJointFlag value)
{
if (_flags == value)
return;
_flags = value;
if (_joint)
PhysicsBackend::SetSliderJointFlags(_joint, value);
}
void SliderJoint::SetLimit(const LimitLinearRange& value)
{
if (_limit == value)
return;
_limit = value;
if (_joint)
PhysicsBackend::SetSliderJointLimit(_joint, value);
}
float SliderJoint::GetCurrentPosition() const
{
return _joint ? PhysicsBackend::GetSliderJointPosition(_joint) : 0.0f;
}
float SliderJoint::GetCurrentVelocity() const
{
return _joint ? PhysicsBackend::GetSliderJointVelocity(_joint) : 0.0f;
}
#if USE_EDITOR
#include "Engine/Debug/DebugDraw.h"
void SliderJoint::OnDebugDrawSelected()
{
const Vector3 source = GetPosition();
const Vector3 normal = GetOrientation() * Vector3::Right;
float min = -100.0f, max = 100.0f;
if (EnumHasAnyFlags(_flags, SliderJointFlag::Limit))
{
min = _limit.Lower;
max = _limit.Upper;
if (max < min)
Swap(min, max);
}
DEBUG_DRAW_LINE(source + normal * min, source + normal * max, Color::Green * 0.6f, 0, false);
// Base
Joint::OnDebugDrawSelected();
}
#endif
void SliderJoint::Serialize(SerializeStream& stream, const void* otherObj)
{
// Base
Joint::Serialize(stream, otherObj);
SERIALIZE_GET_OTHER_OBJ(SliderJoint);
SERIALIZE_MEMBER(Flags, _flags);
SERIALIZE_MEMBER(ContactDist, _limit.ContactDist);
SERIALIZE_MEMBER(Restitution, _limit.Restitution);
SERIALIZE_MEMBER(Stiffness, _limit.Spring.Stiffness);
SERIALIZE_MEMBER(Damping, _limit.Spring.Damping);
SERIALIZE_MEMBER(LowerLimit, _limit.Lower);
SERIALIZE_MEMBER(UpperLimit, _limit.Upper);
}
void SliderJoint::Deserialize(DeserializeStream& stream, ISerializeModifier* modifier)
{
// Base
Joint::Deserialize(stream, modifier);
DESERIALIZE_MEMBER(Flags, _flags);
DESERIALIZE_MEMBER(ContactDist, _limit.ContactDist);
DESERIALIZE_MEMBER(Restitution, _limit.Restitution);
DESERIALIZE_MEMBER(Stiffness, _limit.Spring.Stiffness);
DESERIALIZE_MEMBER(Damping, _limit.Spring.Damping);
DESERIALIZE_MEMBER(LowerLimit, _limit.Lower);
DESERIALIZE_MEMBER(UpperLimit, _limit.Upper);
}
void* SliderJoint::CreateJoint(const PhysicsJointDesc& desc)
{
void* joint = PhysicsBackend::CreateSliderJoint(desc);
PhysicsBackend::SetSliderJointFlags(joint, _flags);
PhysicsBackend::SetSliderJointLimit(joint, _limit);
return joint;
}