ACE3/extensions/common/glm/gtx/matrix_transform_2d.inl

98 lines
2.9 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
/// OpenGL Mathematics (glm.g-truc.net)
///
/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net)
/// 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.
///
/// Restrictions:
/// By making use of the Software for military purposes, you choose to make
/// a Bunny unhappy.
///
/// 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.
///
/// @ref gtx_matrix_transform_2d
/// @file glm/gtc/matrix_transform_2d.inl
/// @date 2014-02-20
/// @author Miguel Ángel Pérez Martínez
///////////////////////////////////////////////////////////////////////////////////
#include "../trigonometric.hpp"
namespace glm
{
template <typename T, precision P>
GLM_FUNC_QUALIFIER tmat3x3<T, P> translate(
tmat3x3<T, P> const & m,
tvec2<T, P> const & v)
{
tmat3x3<T, P> Result(m);
Result[2] = m[0] * v[0] + m[1] * v[1] + m[2];
return Result;
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER tmat3x3<T, P> rotate(
tmat3x3<T, P> const & m,
T angle)
{
T const a = angle;
T const c = cos(a);
T const s = sin(a);
tmat3x3<T, P> Result(uninitialize);
Result[0] = m[0] * c + m[1] * s;
Result[1] = m[0] * -s + m[1] * c;
Result[2] = m[2];
return Result;
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER tmat3x3<T, P> scale(
tmat3x3<T, P> const & m,
tvec2<T, P> const & v)
{
tmat3x3<T, P> Result(uninitialize);
Result[0] = m[0] * v[0];
Result[1] = m[1] * v[1];
Result[2] = m[2];
return Result;
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER tmat3x3<T, P> shearX(
tmat3x3<T, P> const & m,
T y)
{
tmat3x3<T, P> Result(1);
Result[0][1] = y;
return m * Result;
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER tmat3x3<T, P> shearY(
tmat3x3<T, P> const & m,
T x)
{
tmat3x3<T, P> Result(1);
Result[1][0] = x;
return m * Result;
}
}//namespace glm