Merge pull request #7463 from aws-lumberyard-dev/box-manipulators-nus

Fixing various bugs with collider and box shape manipulators with non-uniform scale
This commit is contained in:
greerdv
2022-02-14 09:54:16 +00:00
committed by GitHub
19 changed files with 728 additions and 74 deletions
@@ -14,6 +14,8 @@
#include <AzToolsFramework/Manipulators/ManipulatorSnapping.h>
#include <AzFramework/Viewport/ViewportColors.h>
#include <AzFramework/Viewport/ViewportConstants.h>
#include <AzCore/Component/TransformBus.h>
#include <AzCore/Component/NonUniformScaleBus.h>
namespace AzToolsFramework
{
@@ -37,20 +39,20 @@ namespace AzToolsFramework
void BoxViewportEdit::UpdateManipulators()
{
AZ::Transform boxWorldFromLocal = AZ::Transform::CreateIdentity();
BoxManipulatorRequestBus::EventResult(
boxWorldFromLocal, m_entityComponentIdPair, &BoxManipulatorRequests::GetCurrentTransform);
AZ::TransformBus::EventResult(
boxWorldFromLocal, m_entityComponentIdPair.GetEntityId(), &AZ::TransformBus::Events::GetWorldTM);
AZ::Vector3 boxScale = AZ::Vector3::CreateOne();
BoxManipulatorRequestBus::EventResult(
boxScale, m_entityComponentIdPair, &BoxManipulatorRequests::GetBoxScale);
AZ::Vector3 nonUniformScale = AZ::Vector3::CreateOne();
AZ::NonUniformScaleRequestBus::EventResult(
nonUniformScale, m_entityComponentIdPair.GetEntityId(), &AZ::NonUniformScaleRequestBus::Events::GetScale);
AZ::Vector3 boxDimensions = AZ::Vector3::CreateZero();
BoxManipulatorRequestBus::EventResult(
boxDimensions, m_entityComponentIdPair, &BoxManipulatorRequests::GetDimensions);
boxDimensions, m_entityComponentIdPair, &BoxManipulatorRequestBus::Events::GetDimensions);
// ensure we apply the entity scale to the box dimensions so
// the manipulators appear in the correct location
boxDimensions *= boxScale;
AZ::Transform boxLocalTransform = AZ::Transform::CreateIdentity();
BoxManipulatorRequestBus::EventResult(
boxLocalTransform, m_entityComponentIdPair, &BoxManipulatorRequestBus::Events::GetCurrentLocalTransform);
for (size_t manipulatorIndex = 0; manipulatorIndex < m_linearManipulators.size(); ++manipulatorIndex)
{
@@ -58,7 +60,8 @@ namespace AzToolsFramework
{
linearManipulator->SetSpace(boxWorldFromLocal);
linearManipulator->SetLocalTransform(
AZ::Transform::CreateTranslation(s_boxAxes[manipulatorIndex] * 0.5f * boxDimensions));
boxLocalTransform * AZ::Transform::CreateTranslation(s_boxAxes[manipulatorIndex] * 0.5f * boxDimensions));
linearManipulator->SetNonUniformScale(nonUniformScale);
linearManipulator->SetBoundsDirty();
}
}
@@ -69,8 +72,8 @@ namespace AzToolsFramework
m_entityComponentIdPair = entityComponentIdPair;
AZ::Transform worldFromLocal = AZ::Transform::CreateIdentity();
BoxManipulatorRequestBus::EventResult(
worldFromLocal, entityComponentIdPair, &BoxManipulatorRequests::GetCurrentTransform);
AZ::TransformBus::EventResult(
worldFromLocal, entityComponentIdPair.GetEntityId(), &AZ::TransformBus::Events::GetWorldTM);
for (size_t manipulatorIndex = 0; manipulatorIndex < m_linearManipulators.size(); ++manipulatorIndex)
{
@@ -85,36 +88,35 @@ namespace AzToolsFramework
ManipulatorViews views;
views.emplace_back(CreateManipulatorViewQuadBillboard(
AzFramework::ViewportColors::DefaultManipulatorHandleColor, AzFramework::ViewportConstants::DefaultManipulatorHandleSize));
AzFramework::ViewportColors::DefaultManipulatorHandleColor,
AzFramework::ViewportConstants::DefaultManipulatorHandleSize));
linearManipulator->SetViews(AZStd::move(views));
linearManipulator->InstallMouseMoveCallback(
[this, entityComponentIdPair](
const LinearManipulator::Action& action)
[this, entityComponentIdPair,
transformScale{ linearManipulator->GetSpace().GetUniformScale() }](const LinearManipulator::Action& action)
{
AZ::Transform boxLocalTransform = AZ::Transform::CreateIdentity();
BoxManipulatorRequestBus::EventResult(
boxLocalTransform, entityComponentIdPair, &BoxManipulatorRequestBus::Events::GetCurrentLocalTransform);
const AZ::Vector3 manipulatorPosition = GetPositionInManipulatorFrame(transformScale, boxLocalTransform, action);
// calculate the amount of displacement along an axis this manipulator has moved
// clamp movement so it cannot go negative based on axis direction
const AZ::Vector3 axisDisplacement =
action.LocalPosition().GetAbs() * 2.0f
* AZ::GetMax<float>(0.0f, action.LocalPosition().GetNormalized().Dot(action.m_fixed.m_axis));
AZ::Vector3 boxScale = AZ::Vector3::CreateOne();
BoxManipulatorRequestBus::EventResult(
boxScale, entityComponentIdPair, &BoxManipulatorRequests::GetBoxScale);
manipulatorPosition.GetAbs() * 2.0f
* AZ::GetMax(0.0f, manipulatorPosition.GetNormalized().Dot(action.m_fixed.m_axis));
AZ::Vector3 boxDimensions = AZ::Vector3::CreateZero();
BoxManipulatorRequestBus::EventResult(
boxDimensions, entityComponentIdPair, &BoxManipulatorRequests::GetDimensions);
// ensure we take into account the entity scale using the axis displacement
const AZ::Vector3 scaledAxisDisplacement =
axisDisplacement / boxScale;
boxDimensions, entityComponentIdPair, &BoxManipulatorRequestBus::Events::GetDimensions);
// update dimensions - preserve dimensions not effected by this
// axis, and update current axis displacement
BoxManipulatorRequestBus::Event(
entityComponentIdPair, &BoxManipulatorRequests::SetDimensions,
(NotAxis(action.m_fixed.m_axis) * boxDimensions).GetMax(scaledAxisDisplacement));
entityComponentIdPair, &BoxManipulatorRequestBus::Events::SetDimensions,
(NotAxis(action.m_fixed.m_axis) * boxDimensions).GetMax(axisDisplacement));
UpdateManipulators();
});
@@ -137,4 +139,12 @@ namespace AzToolsFramework
}
}
}
AZ::Vector3 GetPositionInManipulatorFrame(float worldUniformScale, const AZ::Transform& manipulatorLocalTransform,
const LinearManipulator::Action& action)
{
return manipulatorLocalTransform.GetInverse().TransformPoint(
action.m_start.m_localPosition +
action.m_current.m_localPositionOffset / AZ::GetClamp(worldUniformScale, AZ::MinTransformScale, AZ::MaxTransformScale));
}
} // namespace AzToolsFramework
@@ -31,4 +31,10 @@ namespace AzToolsFramework
using BoxManipulators = AZStd::array<AZStd::shared_ptr<LinearManipulator>, 6>;
BoxManipulators m_linearManipulators; ///< Manipulators for editing box size.
};
/// Calculates the position of the manipulator in its own reference frame.
/// Removes the effects of the manipulator local transform, and accounts for world transform scale in
/// the action local offset.
AZ::Vector3 GetPositionInManipulatorFrame(float worldUniformScale, const AZ::Transform& manipulatorLocalTransform,
const LinearManipulator::Action& action);
} // namespace AzToolsFramework
@@ -26,11 +26,21 @@ namespace AzToolsFramework
virtual AZ::Vector3 GetDimensions() = 0;
//! Set the X/Y/Z dimensions of the box shape/collider.
virtual void SetDimensions(const AZ::Vector3& dimensions) = 0;
// O3DE_DEPRECATION_NOTICE(GHI-7572)
//! @deprecated Because non-uniform scale effects can be complex, it is recommended to separately use
//! AZ::TransformBus::Events::GetWorldTM, AZ::NonUniformScaleRequests::GetScale and GetCurrentLocalTransform
//! and combine their effects.
//! Get the transform of the box shape/collider.
//! This is used by \ref BoxComponentMode instead of the \ref \AZ::TransformBus
//! because a collider may have an additional translation/orientation offset from
//! the Entity transform.
virtual AZ::Transform GetCurrentTransform() = 0;
//! Get the transform of the box relative to the entity.
virtual AZ::Transform GetCurrentLocalTransform() = 0;
// O3DE_DEPRECATION_NOTICE(GHI-7572)
//! @deprecated Because non-uniform scale effects can be complex, it is recommended to separately use
//! AZ::TransformBus::Events::GetWorldTM, AZ::NonUniformScaleRequests::GetScale and GetCurrentLocalTransform
//! and combine their effects.
//! Get the scale currently applied to the box.
//! With the Box Shape, the largest x/y/z component is taken
//! so scale is always uniform, with colliders the scale may