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

47 lines
1.5 KiB
C++

/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
#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