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Progress towards gizmo mouse picking

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This commit is contained in:
Antoine Pilote
2023-10-10 00:06:21 -04:00
parent 84bd2f3399
commit 90732fca50
13 changed files with 113 additions and 41 deletions
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47
Nuake/src/Scene/Systems/TransformSystem.cpp
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@@ -41,6 +41,8 @@ namespace Nuake
for (auto tv : localTransformView)
{
TransformComponent& transform = localTransformView.get<TransformComponent>(tv);
Entity currentEntity = { tv, m_Scene };
ParentComponent& parentComponent = currentEntity.GetComponent<ParentComponent>();
if (transform.Dirty)
{
const Vector3& localTranslate = transform.GetLocalPosition();
@@ -51,6 +53,9 @@ namespace Nuake
const Matrix4& scaleMatrix = glm::scale(Matrix4(1.0f), localScale);
const Matrix4& newLocalTransform = translationMatrix * rotationMatrix * scaleMatrix;
transform.GlobalDirty = true;
UpdateDirtyFlagRecursive(currentEntity);
transform.SetLocalTransform(newLocalTransform);
transform.Dirty = false;
}
@@ -77,7 +82,7 @@ namespace Nuake
Vector3 globalPosition = transform.GetLocalPosition();
Quat globalOrientation = transform.GetLocalRotation();
Vector3 globalScale = transform.GetLocalScale();
ParentComponent parentComponent = currentParent.GetComponent<ParentComponent>();
#define FRAME_PERFECT_TRANSFORM
#ifndef FRAME_PERFECT_TRANSFORM
@@ -92,15 +97,16 @@ namespace Nuake
globalTransform = transformComponent.GetGlobalTransform() * globalTransform;
}
#else
bool exitEarly = false;
while (parentComponent.HasParent)
{
TransformComponent& transformComponent = parentComponent.Parent.GetComponent<TransformComponent>();
globalPosition = transformComponent.GetLocalPosition() + (globalPosition);
globalScale *= transformComponent.GetLocalScale();
globalOrientation = transformComponent.GetLocalRotation() * globalOrientation;
globalTransform = transformComponent.GetLocalTransform() * globalTransform;
transformComponent.GlobalDirty = false;
NameComponent& nameComponent = parentComponent.Parent.GetComponent<NameComponent>();
parentComponent = parentComponent.Parent.GetComponent<ParentComponent>();
@@ -134,4 +140,41 @@ namespace Nuake
; camera.CameraInstance->SetTransform(glm::inverse(translationMatrix * rotationMatrix));
}
}
void TransformSystem::UpdateDirtyFlagRecursive(Entity& entity)
{
auto& parentComponent = entity.GetComponent<ParentComponent>();
for (auto& c : parentComponent.Children)
{
auto& childParentComponent = c.GetComponent<TransformComponent>();
childParentComponent.GlobalDirty = true;
UpdateDirtyFlagRecursive(c);
}
}
void TransformSystem::CalculateGlobalTransform(Entity& entity)
{
auto& parentComponent = entity.GetComponent<ParentComponent>();
auto& transformComponent = entity.GetComponent<TransformComponent>();
auto& parentTransformComponent = parentComponent.Parent.GetComponent<TransformComponent>();
Vector3 globalPosition = parentTransformComponent.GetGlobalPosition() + Vector3(transformComponent.GetLocalPosition());
Quat globalRotation = parentTransformComponent.GetGlobalRotation() * transformComponent.GetLocalRotation();
Vector3 globalScale = parentTransformComponent.GetGlobalScale() * transformComponent.GetGlobalScale();
auto globalTransform = transformComponent.GetGlobalTransform() * parentTransformComponent.GetGlobalTransform();
transformComponent.SetGlobalPosition(Vector3(globalPosition));
transformComponent.SetGlobalRotation(globalRotation);
transformComponent.SetGlobalScale(globalScale);
transformComponent.SetGlobalTransform(globalTransform);
transformComponent.GlobalDirty = false;
for (auto& c : parentComponent.Children)
{
CalculateGlobalTransform(c);
}
}
}