tahoma2d/toonz/sources/include/tcg/consts.h

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2016-03-19 06:57:51 +13:00
#ifndef TCG_CONSTS_H
#define TCG_CONSTS_H
/*!
\file consts.h
\brief This file contains several useful constants to be used with tcg.
*/
//*************************************************************************************
// TCG Constants
//*************************************************************************************
namespace tcg
{
//! Contains several useful constants to be used with tcg.
namespace consts
{
const double pi = 3.1415926535897932384626433832795; //!< The Pi constant.
const double pi_half = 1.5707963267948966192313216916398; //!< Half of Pi.
const double pi_3half = 3.0 * pi_half; //!< Three halves of Pi.
const double pi_twice = 2.0 * pi; //!< Twice Pi.
const double rad_to_deg = 180.0 / pi; //!< Radians to degrees factor.
const double deg_to_rad = pi / 180.0; //!< Degrees to radians factor.
const double sqrt2 = 1.4142135623730950488016887242097; //!< Square root of 2.
const double sqrt2_half = 0.7071067811865475244008443621048; //!< Half of the square root of 2.
}
} // namespace tcg::consts
#endif // TCG_CONSTS_H