本文整理汇总了C++中FTransform::InverseTransformPosition方法的典型用法代码示例。如果您正苦于以下问题：C++ FTransform::InverseTransformPosition方法的具体用法？C++ FTransform::InverseTransformPosition怎么用？C++ FTransform::InverseTransformPosition使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类FTransform的用法示例。
在下文中一共展示了FTransform::InverseTransformPosition方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: IsHandAimingTowardsCapsule
bool UVREditorMode::IsHandAimingTowardsCapsule( UViewportInteractor* Interactor, const FTransform& CapsuleTransform, FVector CapsuleStart, const FVector CapsuleEnd, const float CapsuleRadius, const float MinDistanceToCapsule, const FVector CapsuleFrontDirection, const float MinDotForAimingAtCapsule ) const
{
bool bIsAimingTowards = false;
const float WorldScaleFactor = GetWorldScaleFactor();
FVector LaserPointerStart, LaserPointerEnd;
if( Interactor->GetLaserPointer( /* Out */ LaserPointerStart, /* Out */ LaserPointerEnd ) )
{
const FVector LaserPointerStartInCapsuleSpace = CapsuleTransform.InverseTransformPosition( LaserPointerStart );
const FVector LaserPointerEndInCapsuleSpace = CapsuleTransform.InverseTransformPosition( LaserPointerEnd );
FVector ClosestPointOnLaserPointer, ClosestPointOnUICapsule;
FMath::SegmentDistToSegment(
LaserPointerStartInCapsuleSpace, LaserPointerEndInCapsuleSpace,
CapsuleStart, CapsuleEnd,
/* Out */ ClosestPointOnLaserPointer,
/* Out */ ClosestPointOnUICapsule );
const bool bIsClosestPointInsideCapsule = ( ClosestPointOnLaserPointer - ClosestPointOnUICapsule ).Size() <= CapsuleRadius;
const FVector TowardLaserPointerVector = ( ClosestPointOnLaserPointer - ClosestPointOnUICapsule ).GetSafeNormal();
// Apply capsule radius
ClosestPointOnUICapsule += TowardLaserPointerVector * CapsuleRadius;
if( false ) // @todo vreditor debug
{
const float RenderCapsuleLength = ( CapsuleEnd - CapsuleStart ).Size() + CapsuleRadius * 2.0f;
// @todo vreditor: This capsule draws with the wrong orientation
if( false )
{
DrawDebugCapsule( GetWorld(), CapsuleTransform.TransformPosition( CapsuleStart + ( CapsuleEnd - CapsuleStart ) * 0.5f ), RenderCapsuleLength * 0.5f, CapsuleRadius, CapsuleTransform.GetRotation() * FRotator( 90.0f, 0, 0 ).Quaternion(), FColor::Green, false, 0.0f );
}
DrawDebugLine( GetWorld(), CapsuleTransform.TransformPosition( ClosestPointOnLaserPointer ), CapsuleTransform.TransformPosition( ClosestPointOnUICapsule ), FColor::Green, false, 0.0f );
DrawDebugSphere( GetWorld(), CapsuleTransform.TransformPosition( ClosestPointOnLaserPointer ), 1.5f * WorldScaleFactor, 32, FColor::Red, false, 0.0f );
DrawDebugSphere( GetWorld(), CapsuleTransform.TransformPosition( ClosestPointOnUICapsule ), 1.5f * WorldScaleFactor, 32, FColor::Green, false, 0.0f );
}
// If we're really close to the capsule
if( bIsClosestPointInsideCapsule ||
( ClosestPointOnUICapsule - ClosestPointOnLaserPointer ).Size() <= MinDistanceToCapsule )
{
const FVector LaserPointerDirectionInCapsuleSpace = ( LaserPointerEndInCapsuleSpace - LaserPointerStartInCapsuleSpace ).GetSafeNormal();
if( false ) // @todo vreditor debug
{
DrawDebugLine( GetWorld(), CapsuleTransform.TransformPosition( FVector::ZeroVector ), CapsuleTransform.TransformPosition( CapsuleFrontDirection * 5.0f ), FColor::Yellow, false, 0.0f );
DrawDebugLine( GetWorld(), CapsuleTransform.TransformPosition( FVector::ZeroVector ), CapsuleTransform.TransformPosition( -LaserPointerDirectionInCapsuleSpace * 5.0f ), FColor::Purple, false, 0.0f );
}
const float Dot = FVector::DotProduct( CapsuleFrontDirection, -LaserPointerDirectionInCapsuleSpace );
if( Dot >= MinDotForAimingAtCapsule )
{
bIsAimingTowards = true;
}
}
}
return bIsAimingTowards;
}示例2: fabs
bool
CreatureCore::IsBluePrintBonesCollide(FVector test_point, float bone_size, FTransform base_transform)
{
if (bone_size <= 0)
{
bone_size = 1.0f;
}
FTransform xform = base_transform;
FVector local_test_point = xform.InverseTransformPosition(test_point);
auto render_composition = creature_manager->GetCreature()->GetRenderComposition();
auto& bones_map = render_composition->getBonesMap();
glm::vec4 real_test_pt(local_test_point.X, local_test_point.Y, local_test_point.Z, 1.0f);
for (auto cur_data : bones_map)
{
auto cur_bone = cur_data.second;
auto bone_start_pt = cur_bone->getWorldStartPt();
auto bone_end_pt = cur_bone->getWorldEndPt();
auto bone_vec = bone_end_pt - bone_start_pt;
auto bone_length = glm::length(bone_vec);
auto bone_unit_vec = bone_vec / bone_length;
auto rel_vec = real_test_pt - bone_start_pt;
float proj_length_u = glm::dot(rel_vec, bone_unit_vec);
if (proj_length_u >= 0 && proj_length_u <= bone_length)
{
// quick rotation by 90 degrees
auto bone_unit_normal_vec = bone_unit_vec;
bone_unit_normal_vec.x = -bone_unit_vec.y;
bone_unit_normal_vec.y = bone_unit_vec.x;
float proj_length_v = fabs(glm::dot(rel_vec, bone_unit_normal_vec));
if (proj_length_v <= bone_size)
{
return true;
}
}
}
return false;
}示例3: InverseTransformBy
FBox FBox::InverseTransformBy(const FTransform & M) const
{
FVector Vertices[8] =
{
FVector(Min),
FVector(Min.X, Min.Y, Max.Z),
FVector(Min.X, Max.Y, Min.Z),
FVector(Max.X, Min.Y, Min.Z),
FVector(Max.X, Max.Y, Min.Z),
FVector(Max.X, Min.Y, Max.Z),
FVector(Min.X, Max.Y, Max.Z),
FVector(Max)
};
FBox NewBox(0);
for (int32 VertexIndex = 0; VertexIndex < ARRAY_COUNT(Vertices); VertexIndex++)
{
FVector4 ProjectedVertex = M.InverseTransformPosition(Vertices[VertexIndex]);
NewBox += ProjectedVertex;
}
return NewBox;
}示例4: InverseTransformLocation
FVector UKismetMathLibrary::InverseTransformLocation(const FTransform& T, FVector Location)
{
return T.InverseTransformPosition(Location);
}