ViktorLjung
63 lines
1.7 KiB
C++
Executable File
63 lines
1.7 KiB
C++
Executable File
#include "PrecompiledHeader.h"
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#include "TransformSystem.h"
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#include "World.h"
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//void Systems::TransformSystem::UpdateEntity(double dt, EntityID entity, EntityID parent)
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//{
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// if (parent == 0)
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// return;
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//
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// auto transform = m_World->GetComponent<Components::Transform>(entity, "Transform");
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// auto parentTransform = m_World->GetComponent<Components::Transform>(parent, "Transform");
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//
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// transform->Position = parentTransform->Position + transform->RelativePosition;
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//}
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glm::vec3 Systems::TransformSystem::AbsolutePosition(EntityID entity)
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{
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glm::vec3 absPosition;
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glm::quat accumulativeOrientation;
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do
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{
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auto transform = m_World->GetComponent<Components::Transform>(entity, "Transform");
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//absPosition += transform->Position;
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entity = m_World->GetEntityParent(entity);
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auto transform2 = m_World->GetComponent<Components::Transform>(entity, "Transform");
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if (entity != 0)
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absPosition += transform2->Orientation * transform->Position;
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else
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absPosition += transform->Position;
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} while (entity != 0);
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return absPosition * accumulativeOrientation;
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}
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glm::quat Systems::TransformSystem::AbsoluteOrientation(EntityID entity)
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{
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glm::quat absOrientation;
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do
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{
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auto transform = m_World->GetComponent<Components::Transform>(entity, "Transform");
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absOrientation = transform->Orientation * absOrientation;
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entity = m_World->GetEntityParent(entity);
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} while (entity != 0);
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return absOrientation;
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}
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glm::vec3 Systems::TransformSystem::AbsoluteScale(EntityID entity)
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{
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glm::vec3 absScale(1);
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do
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{
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auto transform = m_World->GetComponent<Components::Transform>(entity, "Transform");
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absScale *= transform->Scale;
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entity = m_World->GetEntityParent(entity);
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} while (entity != 0);
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return absScale;
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}
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