59 lines
1.4 KiB
C++
59 lines
1.4 KiB
C++
// Copyright (c) 2012-2023 Wojciech Figat. All rights reserved.
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#pragma once
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#include "Engine/Core/Math/AABB.h"
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namespace CSG
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{
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enum PolygonSplitResult
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{
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/// <summary>
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/// Polygon is completely inside half-space defined by plane
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/// </summary>
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CompletelyInside,
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/// <summary>
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/// Polygon is completely outside half-space defined by plane
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/// </summary>
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CompletelyOutside,
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/// <summary>
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/// Polygon has been split into two parts by plane
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/// </summary>
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Split,
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/// <summary>
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/// Polygon is aligned with cutting plane and the polygons' normal points in the same direction
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/// </summary>
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PlaneAligned,
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/// <summary>
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/// Polygon is aligned with cutting plane and the polygons' normal points in the opposite direction
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/// </summary>
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PlaneOppositeAligned
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};
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/// <summary>
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/// Polygon structure
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/// </summary>
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struct Polygon
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{
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int32 FirstEdgeIndex;
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int32 SurfaceIndex;
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bool Visible;
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bool Inverted;
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AABB Bounds;
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Polygon()
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{
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// TODO: remove this constructor to boost performance??
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FirstEdgeIndex = INVALID_INDEX;
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SurfaceIndex = INVALID_INDEX;
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Inverted = false;
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Visible = false;
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Bounds = AABB();
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}
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};
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};
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