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34 lines
1.1 KiB
C++
34 lines
1.1 KiB
C++
#include "stdafx.h"
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#include "LODSystem.h"
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#include "entitysystem/ECWorld.h"
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#include "entitysystem/components/BasicComponents.h"
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#include "entitysystem/components/RenderComponents.h"
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#include "utilities/Globals.h"
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#include "model/AnimModel.h"
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void LODSystem::Update(ECWorld& world, float dt)
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{
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const glm::dvec3 camPos{
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Global.pCamera.Pos.x,
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Global.pCamera.Pos.y,
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Global.pCamera.Pos.z
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};
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world.Each<ECSComponent::LODController, ECSComponent::Transform>(
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entt::exclude<ECSComponent::Disabled>,
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[&](entt::entity entity,
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ECSComponent::LODController& lod,
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ECSComponent::Transform& transform)
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{
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double dist = glm::length(camPos - transform.Position);
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bool inRange = (dist >= lod.RangeMin) && (dist <= lod.RangeMax);
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if (auto* mesh = world.GetComponent<ECSComponent::MeshRenderer>(entity)) {
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mesh->visible = inRange;
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if (mesh->modelInstance)
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mesh->modelInstance->visible(inRange);
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}
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});
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}
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