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Add origin updating for LargeWorlds

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This commit is contained in:
Wojtek Figat
2022-06-27 23:33:51 +02:00
parent a7463872a8
commit d861518d2e
2 changed files with 21 additions and 0 deletions
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3
Source/Engine/Level/Level.cpp
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@@ -50,6 +50,9 @@ void LargeWorlds::UpdateOrigin(Vector3& origin, const Vector3& position)
{
if (Enable)
{
constexpr Real chunkSizeInv = 1.0 / ChunkSize;
constexpr Real chunkSizeHalf = ChunkSize * 0.5;
origin = Vector3(Int3((position - chunkSizeHalf) * chunkSizeInv)) * ChunkSize;
}
}

18
Source/Engine/Tests/TestLevel.cpp Normal file
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@@ -0,0 +1,18 @@
// Copyright (c) 2012-2022 Wojciech Figat. All rights reserved.
#include "Engine/Core/Math/Vector3.h"
#include "Engine/Level/LargeWorlds.h"
#include <ThirdParty/catch2/catch.hpp>
TEST_CASE("LargeWorlds")
{
SECTION("UpdateOrigin")
{
LargeWorlds::Enable = true;
Vector3 origin = Vector3::Zero;
LargeWorlds::UpdateOrigin(origin, Vector3::Zero);
CHECK(origin == Vector3::Zero);
LargeWorlds::UpdateOrigin(origin, Vector3(LargeWorlds::ChunkSize * 0.5, LargeWorlds::ChunkSize * 1.0001, LargeWorlds::ChunkSize * 1.5));
CHECK(origin == Vector3(0, 0, LargeWorlds::ChunkSize * 1));
}
}