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65 lines
2.0 KiB
C++
65 lines
2.0 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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// Original file Copyright Crytek GMBH or its affiliates, used under license.
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#ifndef CRYINCLUDE_EDITOR_UTIL_ARCBALL_H
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#define CRYINCLUDE_EDITOR_UTIL_ARCBALL_H
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#pragma once
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#include <Cry_Math.h>
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#include <Cry_Color.h>
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#define CrossDist (0.05f)
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#define AxisDist (0.05f)
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class SANDBOX_API CArcBall3D
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{
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public:
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AZ_PUSH_DISABLE_DLL_EXPORT_MEMBER_WARNING
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uint32 RotControl;
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Sphere sphere;
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uint32 Mouse_CutFlag;
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uint32 Mouse_CutFlagStart;
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uint32 AxisSnap;
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Vec3 LineStart3D;
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Vec3 Mouse_CutOnUnitSphere;
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Quat DragRotation;
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Quat ObjectRotation;
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AZ_POP_DISABLE_DLL_EXPORT_MEMBER_WARNING
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CArcBall3D()
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{
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InitArcBall();
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};
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void InitArcBall()
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{
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RotControl = 0;
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sphere(Vec3(ZERO), 0.25f);
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Mouse_CutFlag = 0;
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Mouse_CutOnUnitSphere(0, 0, 0);
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LineStart3D(0, -1, 0);
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AxisSnap = 0;
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DragRotation.SetIdentity();
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ObjectRotation.SetIdentity();
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}
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//---------------------------------------------------------------
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// ArcControl
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// Returns true if the rotation has changed
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//---------------------------------------------------------------
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bool ArcControl(const Matrix34& reference, const Ray& ray, uint32 mouseleft);
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void ArcRotation();
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void DrawSphere(const Matrix34& reference, const CCamera& cam, struct IRenderAuxGeom* pRenderer);
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static uint32 IntersectSphereLineSegment(const Sphere& s, const Vec3& LineStart, const Vec3& LineEnd, Vec3& I);
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};
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#endif // CRYINCLUDE_EDITOR_UTIL_ARCBALL_H
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