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o3de/Gems/WhiteBox/Code/Source/Viewport/WhiteBoxModifierUtil.h

43 lines
1.2 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#pragma once
namespace WhiteBox
{
//! Enumerate the current append state for new vertices.
enum class AppendStage
{
None, //!< No vertices currently being appended.
Initiated, //!< An append action has started.
Complete, //!< An append action has finished.
};
//! The type of intersection detected when interacting
//! with a white box mesh in the viewport.
enum class GeometryIntersection
{
Edge,
Polygon,
Vertex,
None
};
struct EdgeIntersection;
struct PolygonIntersection;
struct VertexIntersection;
//! Return the closest intersection out of the three different kinds
//! (vertex, edge or polygon).
GeometryIntersection FindClosestGeometryIntersection(
const AZStd::optional<EdgeIntersection>& edgeIntersection,
const AZStd::optional<PolygonIntersection>& polygonIntersection,
const AZStd::optional<VertexIntersection>& vertexIntersection);
} // namespace WhiteBox