diff options
Diffstat (limited to 'depedencies/include/glm/gtc/matrix_transform.inl')
-rw-r--r-- | depedencies/include/glm/gtc/matrix_transform.inl | 575 |
1 files changed, 0 insertions, 575 deletions
diff --git a/depedencies/include/glm/gtc/matrix_transform.inl b/depedencies/include/glm/gtc/matrix_transform.inl deleted file mode 100644 index b9ff418..0000000 --- a/depedencies/include/glm/gtc/matrix_transform.inl +++ /dev/null @@ -1,575 +0,0 @@ -/// @ref gtc_matrix_transform -/// @file glm/gtc/matrix_transform.inl - -#include "../geometric.hpp" -#include "../trigonometric.hpp" -#include "../matrix.hpp" - -namespace glm -{ - template <typename T, precision P> - GLM_FUNC_QUALIFIER tmat4x4<T, P> translate(tmat4x4<T, P> const & m, tvec3<T, P> const & v) - { - tmat4x4<T, P> Result(m); - Result[3] = m[0] * v[0] + m[1] * v[1] + m[2] * v[2] + m[3]; - return Result; - } - - template <typename T, precision P> - GLM_FUNC_QUALIFIER tmat4x4<T, P> rotate(tmat4x4<T, P> const & m, T angle, tvec3<T, P> const & v) - { - T const a = angle; - T const c = cos(a); - T const s = sin(a); - - tvec3<T, P> axis(normalize(v)); - tvec3<T, P> temp((T(1) - c) * axis); - - tmat4x4<T, P> Rotate(uninitialize); - Rotate[0][0] = c + temp[0] * axis[0]; - Rotate[0][1] = temp[0] * axis[1] + s * axis[2]; - Rotate[0][2] = temp[0] * axis[2] - s * axis[1]; - - Rotate[1][0] = temp[1] * axis[0] - s * axis[2]; - Rotate[1][1] = c + temp[1] * axis[1]; - Rotate[1][2] = temp[1] * axis[2] + s * axis[0]; - - Rotate[2][0] = temp[2] * axis[0] + s * axis[1]; - Rotate[2][1] = temp[2] * axis[1] - s * axis[0]; - Rotate[2][2] = c + temp[2] * axis[2]; - - tmat4x4<T, P> Result(uninitialize); - Result[0] = m[0] * Rotate[0][0] + m[1] * Rotate[0][1] + m[2] * Rotate[0][2]; - Result[1] = m[0] * Rotate[1][0] + m[1] * Rotate[1][1] + m[2] * Rotate[1][2]; - Result[2] = m[0] * Rotate[2][0] + m[1] * Rotate[2][1] + m[2] * Rotate[2][2]; - Result[3] = m[3]; - return Result; - } - - template <typename T, precision P> - GLM_FUNC_QUALIFIER tmat4x4<T, P> rotate_slow(tmat4x4<T, P> const & m, T angle, tvec3<T, P> const & v) - { - T const a = angle; - T const c = cos(a); - T const s = sin(a); - tmat4x4<T, P> Result; - - tvec3<T, P> axis = normalize(v); - - Result[0][0] = c + (static_cast<T>(1) - c) * axis.x * axis.x; - Result[0][1] = (static_cast<T>(1) - c) * axis.x * axis.y + s * axis.z; - Result[0][2] = (static_cast<T>(1) - c) * axis.x * axis.z - s * axis.y; - Result[0][3] = static_cast<T>(0); - - Result[1][0] = (static_cast<T>(1) - c) * axis.y * axis.x - s * axis.z; - Result[1][1] = c + (static_cast<T>(1) - c) * axis.y * axis.y; - Result[1][2] = (static_cast<T>(1) - c) * axis.y * axis.z + s * axis.x; - Result[1][3] = static_cast<T>(0); - - Result[2][0] = (static_cast<T>(1) - c) * axis.z * axis.x + s * axis.y; - Result[2][1] = (static_cast<T>(1) - c) * axis.z * axis.y - s * axis.x; - Result[2][2] = c + (static_cast<T>(1) - c) * axis.z * axis.z; - Result[2][3] = static_cast<T>(0); - - Result[3] = tvec4<T, P>(0, 0, 0, 1); - return m * Result; - } - - template <typename T, precision P> - GLM_FUNC_QUALIFIER tmat4x4<T, P> scale(tmat4x4<T, P> const & m, tvec3<T, P> const & v) - { - tmat4x4<T, P> Result(uninitialize); - Result[0] = m[0] * v[0]; - Result[1] = m[1] * v[1]; - Result[2] = m[2] * v[2]; - Result[3] = m[3]; - return Result; - } - - template <typename T, precision P> - GLM_FUNC_QUALIFIER tmat4x4<T, P> scale_slow(tmat4x4<T, P> const & m, tvec3<T, P> const & v) - { - tmat4x4<T, P> Result(T(1)); - Result[0][0] = v.x; - Result[1][1] = v.y; - Result[2][2] = v.z; - return m * Result; - } - - template <typename T> - GLM_FUNC_QUALIFIER tmat4x4<T, defaultp> ortho - ( - T left, T right, - T bottom, T top, - T zNear, T zFar - ) - { -# if GLM_COORDINATE_SYSTEM == GLM_LEFT_HANDED - return orthoLH(left, right, bottom, top, zNear, zFar); -# else - return orthoRH(left, right, bottom, top, zNear, zFar); -# endif - } - - template <typename T> - GLM_FUNC_QUALIFIER tmat4x4<T, defaultp> orthoLH - ( - T left, T right, - T bottom, T top, - T zNear, T zFar - ) - { - tmat4x4<T, defaultp> Result(1); - Result[0][0] = static_cast<T>(2) / (right - left); - Result[1][1] = static_cast<T>(2) / (top - bottom); - Result[3][0] = - (right + left) / (right - left); - Result[3][1] = - (top + bottom) / (top - bottom); - -# if GLM_DEPTH_CLIP_SPACE == GLM_DEPTH_ZERO_TO_ONE - Result[2][2] = static_cast<T>(1) / (zFar - zNear); - Result[3][2] = - zNear / (zFar - zNear); -# else - Result[2][2] = static_cast<T>(2) / (zFar - zNear); - Result[3][2] = - (zFar + zNear) / (zFar - zNear); -# endif - - return Result; - } - - template <typename T> - GLM_FUNC_QUALIFIER tmat4x4<T, defaultp> orthoRH - ( - T left, T right, - T bottom, T top, - T zNear, T zFar - ) - { - tmat4x4<T, defaultp> Result(1); - Result[0][0] = static_cast<T>(2) / (right - left); - Result[1][1] = static_cast<T>(2) / (top - bottom); - Result[3][0] = - (right + left) / (right - left); - Result[3][1] = - (top + bottom) / (top - bottom); - -# if GLM_DEPTH_CLIP_SPACE == GLM_DEPTH_ZERO_TO_ONE - Result[2][2] = - static_cast<T>(1) / (zFar - zNear); - Result[3][2] = - zNear / (zFar - zNear); -# else - Result[2][2] = - static_cast<T>(2) / (zFar - zNear); - Result[3][2] = - (zFar + zNear) / (zFar - zNear); -# endif - - return Result; - } - - template <typename T> - GLM_FUNC_QUALIFIER tmat4x4<T, defaultp> ortho - ( - T left, T right, - T bottom, T top - ) - { - tmat4x4<T, defaultp> Result(static_cast<T>(1)); - Result[0][0] = static_cast<T>(2) / (right - left); - Result[1][1] = static_cast<T>(2) / (top - bottom); - Result[2][2] = - static_cast<T>(1); - Result[3][0] = - (right + left) / (right - left); - Result[3][1] = - (top + bottom) / (top - bottom); - return Result; - } - - template <typename T> - GLM_FUNC_QUALIFIER tmat4x4<T, defaultp> frustum - ( - T left, T right, - T bottom, T top, - T nearVal, T farVal - ) - { -# if GLM_COORDINATE_SYSTEM == GLM_LEFT_HANDED - return frustumLH(left, right, bottom, top, nearVal, farVal); -# else - return frustumRH(left, right, bottom, top, nearVal, farVal); -# endif - } - - template <typename T> - GLM_FUNC_QUALIFIER tmat4x4<T, defaultp> frustumLH - ( - T left, T right, - T bottom, T top, - T nearVal, T farVal - ) - { - tmat4x4<T, defaultp> Result(0); - Result[0][0] = (static_cast<T>(2) * nearVal) / (right - left); - Result[1][1] = (static_cast<T>(2) * nearVal) / (top - bottom); - Result[2][0] = (right + left) / (right - left); - Result[2][1] = (top + bottom) / (top - bottom); - Result[2][3] = static_cast<T>(1); - -# if GLM_DEPTH_CLIP_SPACE == GLM_DEPTH_ZERO_TO_ONE - Result[2][2] = farVal / (farVal - nearVal); - Result[3][2] = -(farVal * nearVal) / (farVal - nearVal); -# else - Result[2][2] = (farVal + nearVal) / (farVal - nearVal); - Result[3][2] = - (static_cast<T>(2) * farVal * nearVal) / (farVal - nearVal); -# endif - - return Result; - } - - template <typename T> - GLM_FUNC_QUALIFIER tmat4x4<T, defaultp> frustumRH - ( - T left, T right, - T bottom, T top, - T nearVal, T farVal - ) - { - tmat4x4<T, defaultp> Result(0); - Result[0][0] = (static_cast<T>(2) * nearVal) / (right - left); - Result[1][1] = (static_cast<T>(2) * nearVal) / (top - bottom); - Result[2][0] = (right + left) / (right - left); - Result[2][1] = (top + bottom) / (top - bottom); - Result[2][3] = static_cast<T>(-1); - -# if GLM_DEPTH_CLIP_SPACE == GLM_DEPTH_ZERO_TO_ONE - Result[2][2] = farVal / (nearVal - farVal); - Result[3][2] = -(farVal * nearVal) / (farVal - nearVal); -# else - Result[2][2] = - (farVal + nearVal) / (farVal - nearVal); - Result[3][2] = - (static_cast<T>(2) * farVal * nearVal) / (farVal - nearVal); -# endif - - return Result; - } - - template <typename T> - GLM_FUNC_QUALIFIER tmat4x4<T, defaultp> perspective(T fovy, T aspect, T zNear, T zFar) - { -# if GLM_COORDINATE_SYSTEM == GLM_LEFT_HANDED - return perspectiveLH(fovy, aspect, zNear, zFar); -# else - return perspectiveRH(fovy, aspect, zNear, zFar); -# endif - } - - template <typename T> - GLM_FUNC_QUALIFIER tmat4x4<T, defaultp> perspectiveRH(T fovy, T aspect, T zNear, T zFar) - { - assert(abs(aspect - std::numeric_limits<T>::epsilon()) > static_cast<T>(0)); - - T const tanHalfFovy = tan(fovy / static_cast<T>(2)); - - tmat4x4<T, defaultp> Result(static_cast<T>(0)); - Result[0][0] = static_cast<T>(1) / (aspect * tanHalfFovy); - Result[1][1] = static_cast<T>(1) / (tanHalfFovy); - Result[2][3] = - static_cast<T>(1); - -# if GLM_DEPTH_CLIP_SPACE == GLM_DEPTH_ZERO_TO_ONE - Result[2][2] = zFar / (zNear - zFar); - Result[3][2] = -(zFar * zNear) / (zFar - zNear); -# else - Result[2][2] = - (zFar + zNear) / (zFar - zNear); - Result[3][2] = - (static_cast<T>(2) * zFar * zNear) / (zFar - zNear); -# endif - - return Result; - } - - template <typename T> - GLM_FUNC_QUALIFIER tmat4x4<T, defaultp> perspectiveLH(T fovy, T aspect, T zNear, T zFar) - { - assert(abs(aspect - std::numeric_limits<T>::epsilon()) > static_cast<T>(0)); - - T const tanHalfFovy = tan(fovy / static_cast<T>(2)); - - tmat4x4<T, defaultp> Result(static_cast<T>(0)); - Result[0][0] = static_cast<T>(1) / (aspect * tanHalfFovy); - Result[1][1] = static_cast<T>(1) / (tanHalfFovy); - Result[2][3] = static_cast<T>(1); - -# if GLM_DEPTH_CLIP_SPACE == GLM_DEPTH_ZERO_TO_ONE - Result[2][2] = zFar / (zFar - zNear); - Result[3][2] = -(zFar * zNear) / (zFar - zNear); -# else - Result[2][2] = (zFar + zNear) / (zFar - zNear); - Result[3][2] = - (static_cast<T>(2) * zFar * zNear) / (zFar - zNear); -# endif - - return Result; - } - - template <typename T> - GLM_FUNC_QUALIFIER tmat4x4<T, defaultp> perspectiveFov(T fov, T width, T height, T zNear, T zFar) - { -# if GLM_COORDINATE_SYSTEM == GLM_LEFT_HANDED - return perspectiveFovLH(fov, width, height, zNear, zFar); -# else - return perspectiveFovRH(fov, width, height, zNear, zFar); -# endif - } - - template <typename T> - GLM_FUNC_QUALIFIER tmat4x4<T, defaultp> perspectiveFovRH(T fov, T width, T height, T zNear, T zFar) - { - assert(width > static_cast<T>(0)); - assert(height > static_cast<T>(0)); - assert(fov > static_cast<T>(0)); - - T const rad = fov; - T const h = glm::cos(static_cast<T>(0.5) * rad) / glm::sin(static_cast<T>(0.5) * rad); - T const w = h * height / width; ///todo max(width , Height) / min(width , Height)? - - tmat4x4<T, defaultp> Result(static_cast<T>(0)); - Result[0][0] = w; - Result[1][1] = h; - Result[2][3] = - static_cast<T>(1); - -# if GLM_DEPTH_CLIP_SPACE == GLM_DEPTH_ZERO_TO_ONE - Result[2][2] = zFar / (zNear - zFar); - Result[3][2] = -(zFar * zNear) / (zFar - zNear); -# else - Result[2][2] = - (zFar + zNear) / (zFar - zNear); - Result[3][2] = - (static_cast<T>(2) * zFar * zNear) / (zFar - zNear); -# endif - - return Result; - } - - template <typename T> - GLM_FUNC_QUALIFIER tmat4x4<T, defaultp> perspectiveFovLH(T fov, T width, T height, T zNear, T zFar) - { - assert(width > static_cast<T>(0)); - assert(height > static_cast<T>(0)); - assert(fov > static_cast<T>(0)); - - T const rad = fov; - T const h = glm::cos(static_cast<T>(0.5) * rad) / glm::sin(static_cast<T>(0.5) * rad); - T const w = h * height / width; ///todo max(width , Height) / min(width , Height)? - - tmat4x4<T, defaultp> Result(static_cast<T>(0)); - Result[0][0] = w; - Result[1][1] = h; - Result[2][3] = static_cast<T>(1); - -# if GLM_DEPTH_CLIP_SPACE == GLM_DEPTH_ZERO_TO_ONE - Result[2][2] = zFar / (zFar - zNear); - Result[3][2] = -(zFar * zNear) / (zFar - zNear); -# else - Result[2][2] = (zFar + zNear) / (zFar - zNear); - Result[3][2] = - (static_cast<T>(2) * zFar * zNear) / (zFar - zNear); -# endif - - return Result; - } - - template <typename T> - GLM_FUNC_QUALIFIER tmat4x4<T, defaultp> infinitePerspective(T fovy, T aspect, T zNear) - { -# if GLM_COORDINATE_SYSTEM == GLM_LEFT_HANDED - return infinitePerspectiveLH(fovy, aspect, zNear); -# else - return infinitePerspectiveRH(fovy, aspect, zNear); -# endif - } - - template <typename T> - GLM_FUNC_QUALIFIER tmat4x4<T, defaultp> infinitePerspectiveRH(T fovy, T aspect, T zNear) - { - T const range = tan(fovy / static_cast<T>(2)) * zNear; - T const left = -range * aspect; - T const right = range * aspect; - T const bottom = -range; - T const top = range; - - tmat4x4<T, defaultp> Result(static_cast<T>(0)); - Result[0][0] = (static_cast<T>(2) * zNear) / (right - left); - Result[1][1] = (static_cast<T>(2) * zNear) / (top - bottom); - Result[2][2] = - static_cast<T>(1); - Result[2][3] = - static_cast<T>(1); - Result[3][2] = - static_cast<T>(2) * zNear; - return Result; - } - - template <typename T> - GLM_FUNC_QUALIFIER tmat4x4<T, defaultp> infinitePerspectiveLH(T fovy, T aspect, T zNear) - { - T const range = tan(fovy / static_cast<T>(2)) * zNear; - T const left = -range * aspect; - T const right = range * aspect; - T const bottom = -range; - T const top = range; - - tmat4x4<T, defaultp> Result(T(0)); - Result[0][0] = (static_cast<T>(2) * zNear) / (right - left); - Result[1][1] = (static_cast<T>(2) * zNear) / (top - bottom); - Result[2][2] = static_cast<T>(1); - Result[2][3] = static_cast<T>(1); - Result[3][2] = - static_cast<T>(2) * zNear; - return Result; - } - - // Infinite projection matrix: http://www.terathon.com/gdc07_lengyel.pdf - template <typename T> - GLM_FUNC_QUALIFIER tmat4x4<T, defaultp> tweakedInfinitePerspective(T fovy, T aspect, T zNear, T ep) - { - T const range = tan(fovy / static_cast<T>(2)) * zNear; - T const left = -range * aspect; - T const right = range * aspect; - T const bottom = -range; - T const top = range; - - tmat4x4<T, defaultp> Result(static_cast<T>(0)); - Result[0][0] = (static_cast<T>(2) * zNear) / (right - left); - Result[1][1] = (static_cast<T>(2) * zNear) / (top - bottom); - Result[2][2] = ep - static_cast<T>(1); - Result[2][3] = static_cast<T>(-1); - Result[3][2] = (ep - static_cast<T>(2)) * zNear; - return Result; - } - - template <typename T> - GLM_FUNC_QUALIFIER tmat4x4<T, defaultp> tweakedInfinitePerspective(T fovy, T aspect, T zNear) - { - return tweakedInfinitePerspective(fovy, aspect, zNear, epsilon<T>()); - } - - template <typename T, typename U, precision P> - GLM_FUNC_QUALIFIER tvec3<T, P> project - ( - tvec3<T, P> const & obj, - tmat4x4<T, P> const & model, - tmat4x4<T, P> const & proj, - tvec4<U, P> const & viewport - ) - { - tvec4<T, P> tmp = tvec4<T, P>(obj, static_cast<T>(1)); - tmp = model * tmp; - tmp = proj * tmp; - - tmp /= tmp.w; -# if GLM_DEPTH_CLIP_SPACE == GLM_DEPTH_ZERO_TO_ONE - tmp.x = tmp.x * static_cast<T>(0.5) + static_cast<T>(0.5); - tmp.y = tmp.y * static_cast<T>(0.5) + static_cast<T>(0.5); -# else - tmp = tmp * static_cast<T>(0.5) + static_cast<T>(0.5); -# endif - tmp[0] = tmp[0] * T(viewport[2]) + T(viewport[0]); - tmp[1] = tmp[1] * T(viewport[3]) + T(viewport[1]); - - return tvec3<T, P>(tmp); - } - - template <typename T, typename U, precision P> - GLM_FUNC_QUALIFIER tvec3<T, P> unProject - ( - tvec3<T, P> const & win, - tmat4x4<T, P> const & model, - tmat4x4<T, P> const & proj, - tvec4<U, P> const & viewport - ) - { - tmat4x4<T, P> Inverse = inverse(proj * model); - - tvec4<T, P> tmp = tvec4<T, P>(win, T(1)); - tmp.x = (tmp.x - T(viewport[0])) / T(viewport[2]); - tmp.y = (tmp.y - T(viewport[1])) / T(viewport[3]); -# if GLM_DEPTH_CLIP_SPACE == GLM_DEPTH_ZERO_TO_ONE - tmp.x = tmp.x * static_cast<T>(2) - static_cast<T>(1); - tmp.y = tmp.y * static_cast<T>(2) - static_cast<T>(1); -# else - tmp = tmp * static_cast<T>(2) - static_cast<T>(1); -# endif - - tvec4<T, P> obj = Inverse * tmp; - obj /= obj.w; - - return tvec3<T, P>(obj); - } - - template <typename T, precision P, typename U> - GLM_FUNC_QUALIFIER tmat4x4<T, P> pickMatrix(tvec2<T, P> const & center, tvec2<T, P> const & delta, tvec4<U, P> const & viewport) - { - assert(delta.x > static_cast<T>(0) && delta.y > static_cast<T>(0)); - tmat4x4<T, P> Result(static_cast<T>(1)); - - if(!(delta.x > static_cast<T>(0) && delta.y > static_cast<T>(0))) - return Result; // Error - - tvec3<T, P> Temp( - (static_cast<T>(viewport[2]) - static_cast<T>(2) * (center.x - static_cast<T>(viewport[0]))) / delta.x, - (static_cast<T>(viewport[3]) - static_cast<T>(2) * (center.y - static_cast<T>(viewport[1]))) / delta.y, - static_cast<T>(0)); - - // Translate and scale the picked region to the entire window - Result = translate(Result, Temp); - return scale(Result, tvec3<T, P>(static_cast<T>(viewport[2]) / delta.x, static_cast<T>(viewport[3]) / delta.y, static_cast<T>(1))); - } - - template <typename T, precision P> - GLM_FUNC_QUALIFIER tmat4x4<T, P> lookAt(tvec3<T, P> const & eye, tvec3<T, P> const & center, tvec3<T, P> const & up) - { -# if GLM_COORDINATE_SYSTEM == GLM_LEFT_HANDED - return lookAtLH(eye, center, up); -# else - return lookAtRH(eye, center, up); -# endif - } - - template <typename T, precision P> - GLM_FUNC_QUALIFIER tmat4x4<T, P> lookAtRH - ( - tvec3<T, P> const & eye, - tvec3<T, P> const & center, - tvec3<T, P> const & up - ) - { - tvec3<T, P> const f(normalize(center - eye)); - tvec3<T, P> const s(normalize(cross(f, up))); - tvec3<T, P> const u(cross(s, f)); - - tmat4x4<T, P> Result(1); - Result[0][0] = s.x; - Result[1][0] = s.y; - Result[2][0] = s.z; - Result[0][1] = u.x; - Result[1][1] = u.y; - Result[2][1] = u.z; - Result[0][2] =-f.x; - Result[1][2] =-f.y; - Result[2][2] =-f.z; - Result[3][0] =-dot(s, eye); - Result[3][1] =-dot(u, eye); - Result[3][2] = dot(f, eye); - return Result; - } - - template <typename T, precision P> - GLM_FUNC_QUALIFIER tmat4x4<T, P> lookAtLH - ( - tvec3<T, P> const & eye, - tvec3<T, P> const & center, - tvec3<T, P> const & up - ) - { - tvec3<T, P> const f(normalize(center - eye)); - tvec3<T, P> const s(normalize(cross(up, f))); - tvec3<T, P> const u(cross(f, s)); - - tmat4x4<T, P> Result(1); - Result[0][0] = s.x; - Result[1][0] = s.y; - Result[2][0] = s.z; - Result[0][1] = u.x; - Result[1][1] = u.y; - Result[2][1] = u.z; - Result[0][2] = f.x; - Result[1][2] = f.y; - Result[2][2] = f.z; - Result[3][0] = -dot(s, eye); - Result[3][1] = -dot(u, eye); - Result[3][2] = -dot(f, eye); - return Result; - } -}//namespace glm |