24 lines
755 B
C++
24 lines
755 B
C++
#include "Core/UniformScaleSystem.h"
|
|
|
|
UniformScaleSystem::UniformScaleSystem(World* world, EventBroker* eventBroker)
|
|
: System(world, eventBroker)
|
|
, PureSystem("UniformScale")
|
|
{
|
|
EVENT_SUBSCRIBE_MEMBER(m_ESetCamera, &UniformScaleSystem::OnSetCamera);
|
|
}
|
|
|
|
void UniformScaleSystem::UpdateComponent(EntityWrapper& entity, ComponentWrapper& cUniformScale, double dt)
|
|
{
|
|
if (!m_Camera.Valid()) {
|
|
return;
|
|
}
|
|
|
|
float distance = glm::length((glm::vec3)entity["Transform"]["Position"] - (glm::vec3&)m_Camera["Transform"]["Position"]);
|
|
entity["Transform"]["Scale"] = (glm::vec3&)cUniformScale["Scale"] * distance;
|
|
}
|
|
|
|
bool UniformScaleSystem::OnSetCamera(const Events::SetCamera& e)
|
|
{
|
|
m_Camera = e.CameraEntity;
|
|
return false;
|
|
} |