haiku/src/servers/app/Angle.h

78 lines
2.4 KiB
C++

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