79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
//------------------------------------------------------------------------------
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// Copyright (c) 2001-2002, Haiku, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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// File Name: Angle.h
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// Author: DarkWyrm <bpmagic@columbus.rr.com>
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// Description: Angle class for speeding up trig functions
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//
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//------------------------------------------------------------------------------
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#ifndef _ANGLE_H_
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#define _ANGLE_H_
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#include <GraphicsDefs.h>
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/*!
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\class Angle Angle.h
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\brief Class for speeding up trig functions. Works in degrees only.
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*/
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class Angle {
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public:
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Angle(float angle);
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Angle();
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virtual ~Angle();
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void Normalize();
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float Sine(void);
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Angle InvSine(float value);
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float Cosine(void);
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Angle InvCosine(float value);
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float Tangent(int *status=NULL);
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Angle InvTangent(float value);
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uint8 Quadrant(void);
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Angle Constrain180(void);
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Angle Constrain90(void);
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void SetValue(float angle);
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float Value(void) const;
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Angle &operator=(const Angle &from);
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Angle &operator=(const float &from);
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Angle &operator=(const long &from);
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Angle &operator=(const int &from);
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bool operator==(const Angle &from);
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bool operator!=(const Angle &from);
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bool operator<(const Angle &from);
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bool operator>(const Angle &from);
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bool operator>=(const Angle &from);
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bool operator<=(const Angle &from);
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protected:
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void _InitTrigTables(void);
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float fAngleValue;
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};
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#endif
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