transform2.hpp

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#pragma once

// Dependency:
#include "../glm.hpp"
#include "../gtx/transform.hpp"

#ifndef GLM_ENABLE_EXPERIMENTAL
#       error "GLM: GLM_GTX_transform2 is an experimental extension and may change in the future. Use #define GLM_ENABLE_EXPERIMENTAL before including it, if you really want to use it."
#endif

#if GLM_MESSAGES == GLM_MESSAGES_ENABLED && !defined(GLM_EXT_INCLUDED)
#       pragma message("GLM: GLM_GTX_transform2 extension included")
#endif

namespace glm
{

        template<typename T, qualifier P>
        GLM_FUNC_DECL mat<3, 3, T, P> shearX2D(
                mat<3, 3, T, P> const& m, 
                T y);

        template<typename T, qualifier P> 
        GLM_FUNC_DECL mat<3, 3, T, P> shearY2D(
                mat<3, 3, T, P> const& m, 
                T x);

        template<typename T, qualifier P> 
        GLM_FUNC_DECL mat<4, 4, T, P> shearX3D(
                const mat<4, 4, T, P> & m,
                T y, 
                T z);

        template<typename T, qualifier P> 
        GLM_FUNC_DECL mat<4, 4, T, P> shearY3D(
                const mat<4, 4, T, P> & m, 
                T x, 
                T z);

        template<typename T, qualifier P> 
        GLM_FUNC_DECL mat<4, 4, T, P> shearZ3D(
                const mat<4, 4, T, P> & m, 
                T x, 
                T y);

        //template<typename T> GLM_FUNC_QUALIFIER mat<4, 4, T, P> shear(const mat<4, 4, T, P> & m, shearPlane, planePoint, angle)
        // Identity + tan(angle) * cross(Normal, OnPlaneVector)     0
        // - dot(PointOnPlane, normal) * OnPlaneVector              1

        // Reflect functions seem to don't work
        //template<typename T> mat<3, 3, T, P> reflect2D(const mat<3, 3, T, P> & m, const vec<3, T, P>& normal){return reflect2DGTX(m, normal);}                                                                        //!< \brief Build a reflection matrix (from GLM_GTX_transform2 extension)
        //template<typename T> mat<4, 4, T, P> reflect3D(const mat<4, 4, T, P> & m, const vec<3, T, P>& normal){return reflect3DGTX(m, normal);}                                                                        //!< \brief Build a reflection matrix (from GLM_GTX_transform2 extension)
                
        template<typename T, qualifier P> 
        GLM_FUNC_DECL mat<3, 3, T, P> proj2D(
                const mat<3, 3, T, P> & m, 
                const vec<3, T, P>& normal);

        template<typename T, qualifier P> 
        GLM_FUNC_DECL mat<4, 4, T, P> proj3D(
                const mat<4, 4, T, P> & m, 
                const vec<3, T, P>& normal);

        template<typename valType, qualifier P> 
        GLM_FUNC_DECL mat<4, 4, valType, P> scaleBias(
                valType scale, 
                valType bias);

        template<typename valType, qualifier P> 
        GLM_FUNC_DECL mat<4, 4, valType, P> scaleBias(
                mat<4, 4, valType, P> const & m, 
                valType scale, 
                valType bias);

}// namespace glm

#include "transform2.inl"