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Refactor OrientedBoundingBox to use Transform for transformation instead of Matrix (for large worlds)

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Wojtek Figat
2022-06-16 10:51:59 +02:00
parent 995e5bc6ff
commit 9ba117cde3
16 changed files with 168 additions and 780 deletions
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11
Source/Engine/Level/Actors/BoxVolume.cpp
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@@ -1,6 +1,7 @@
// Copyright (c) 2012-2022 Wojciech Figat. All rights reserved.
#include "BoxVolume.h"
#include "Engine/Core/Math/Matrix.h"
#include "Engine/Serialization/Serialization.h"
BoxVolume::BoxVolume(const SpawnParams& params)
@@ -54,11 +55,13 @@ namespace
else
Quaternion::LookRotation(dir, Vector3::Cross(Vector3::Cross(dir, Vector3::Up), dir), orientation);
const Vector3 up = orientation * Vector3::Up;
Matrix::CreateWorld(min + vec * 0.5f, dir, up, box.Transformation);
Matrix inv;
Matrix::Invert(box.Transformation, inv);
Matrix world;
Matrix::CreateWorld(min + vec * 0.5f, dir, up, world);
world.Decompose(box.Transformation);
Matrix invWorld;
Matrix::Invert(world, invWorld);
Vector3 vecLocal;
Vector3::TransformNormal(vec * 0.5f, inv, vecLocal);
Vector3::TransformNormal(vec * 0.5f, invWorld, vecLocal);
box.Extents.X = margin;
box.Extents.Y = margin;
box.Extents.Z = vecLocal.Z;