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Diffstat (limited to '3rdparty/assimp/include/aiMatrix3x3.inl')
| -rw-r--r-- | 3rdparty/assimp/include/aiMatrix3x3.inl | 250 |
1 files changed, 0 insertions, 250 deletions
diff --git a/3rdparty/assimp/include/aiMatrix3x3.inl b/3rdparty/assimp/include/aiMatrix3x3.inl deleted file mode 100644 index 3a9e6162..00000000 --- a/3rdparty/assimp/include/aiMatrix3x3.inl +++ /dev/null @@ -1,250 +0,0 @@ -/** @file aiMatrix3x3.inl - * @brief Inline implementation of the 3x3 matrix operators - */ -#ifndef AI_MATRIX3x3_INL_INC -#define AI_MATRIX3x3_INL_INC - -#include "aiMatrix3x3.h" - -#ifdef __cplusplus -#include "aiMatrix4x4.h" -#include <algorithm> -#include <limits> - -// ------------------------------------------------------------------------------------------------ -// Construction from a 4x4 matrix. The remaining parts of the matrix are ignored. -inline aiMatrix3x3::aiMatrix3x3( const aiMatrix4x4& pMatrix) -{ - a1 = pMatrix.a1; a2 = pMatrix.a2; a3 = pMatrix.a3; - b1 = pMatrix.b1; b2 = pMatrix.b2; b3 = pMatrix.b3; - c1 = pMatrix.c1; c2 = pMatrix.c2; c3 = pMatrix.c3; -} - -// ------------------------------------------------------------------------------------------------ -inline aiMatrix3x3& aiMatrix3x3::operator *= (const aiMatrix3x3& m) -{ - *this = aiMatrix3x3(m.a1 * a1 + m.b1 * a2 + m.c1 * a3, - m.a2 * a1 + m.b2 * a2 + m.c2 * a3, - m.a3 * a1 + m.b3 * a2 + m.c3 * a3, - m.a1 * b1 + m.b1 * b2 + m.c1 * b3, - m.a2 * b1 + m.b2 * b2 + m.c2 * b3, - m.a3 * b1 + m.b3 * b2 + m.c3 * b3, - m.a1 * c1 + m.b1 * c2 + m.c1 * c3, - m.a2 * c1 + m.b2 * c2 + m.c2 * c3, - m.a3 * c1 + m.b3 * c2 + m.c3 * c3); - return *this; -} - -// ------------------------------------------------------------------------------------------------ -inline aiMatrix3x3 aiMatrix3x3::operator* (const aiMatrix3x3& m) const -{ - aiMatrix3x3 temp( *this); - temp *= m; - return temp; -} - -// ------------------------------------------------------------------------------------------------ -inline float* aiMatrix3x3::operator[] (unsigned int p_iIndex) -{ - return &this->a1 + p_iIndex * 3; -} - -// ------------------------------------------------------------------------------------------------ -inline const float* aiMatrix3x3::operator[] (unsigned int p_iIndex) const -{ - return &this->a1 + p_iIndex * 3; -} - -// ------------------------------------------------------------------------------------------------ -inline bool aiMatrix3x3::operator== (const aiMatrix4x4 m) const -{ - return a1 == m.a1 && a2 == m.a2 && a3 == m.a3 && - b1 == m.b1 && b2 == m.b2 && b3 == m.b3 && - c1 == m.c1 && c2 == m.c2 && c3 == m.c3; -} - -// ------------------------------------------------------------------------------------------------ -inline bool aiMatrix3x3::operator!= (const aiMatrix4x4 m) const -{ - return !(*this == m); -} - -// ------------------------------------------------------------------------------------------------ -inline aiMatrix3x3& aiMatrix3x3::Transpose() -{ - // (float&) don't remove, GCC complains cause of packed fields - std::swap( (float&)a2, (float&)b1); - std::swap( (float&)a3, (float&)c1); - std::swap( (float&)b3, (float&)c2); - return *this; -} - -// ---------------------------------------------------------------------------------------- -inline float aiMatrix3x3::Determinant() const -{ - return a1*b2*c3 - a1*b3*c2 + a2*b3*c1 - a2*b1*c3 + a3*b1*c2 - a3*b2*c1; -} - -// ---------------------------------------------------------------------------------------- -inline aiMatrix3x3& aiMatrix3x3::Inverse() -{ - // Compute the reciprocal determinant - float det = Determinant(); - if(det == 0.0f) - { - // Matrix not invertible. Setting all elements to nan is not really - // correct in a mathematical sense but it is easy to debug for the - // programmer. - const float nan = std::numeric_limits<float>::quiet_NaN(); - *this = aiMatrix3x3( nan,nan,nan,nan,nan,nan,nan,nan,nan); - - return *this; - } - - float invdet = 1.0f / det; - - aiMatrix3x3 res; - res.a1 = invdet * (b2 * c3 - b3 * c2); - res.a2 = -invdet * (a2 * c3 - a3 * c2); - res.a3 = invdet * (a2 * b3 - a3 * b2); - res.b1 = -invdet * (b1 * c3 - b3 * c1); - res.b2 = invdet * (a1 * c3 - a3 * c1); - res.b3 = -invdet * (a1 * b3 - a3 * b1); - res.c1 = invdet * (b1 * c2 - b2 * c1); - res.c2 = -invdet * (a1 * c2 - a2 * c1); - res.c3 = invdet * (a1 * b2 - a2 * b1); - *this = res; - - return *this; -} - -// ------------------------------------------------------------------------------------------------ -inline aiMatrix3x3& aiMatrix3x3::RotationZ(float a, aiMatrix3x3& out) -{ - out.a1 = out.b2 = ::cos(a); - out.b1 = ::sin(a); - out.a2 = - out.b1; - - out.a3 = out.b3 = out.c1 = out.c2 = 0.f; - out.c3 = 1.f; - - return out; -} - -// ------------------------------------------------------------------------------------------------ -// Returns a rotation matrix for a rotation around an arbitrary axis. -inline aiMatrix3x3& aiMatrix3x3::Rotation( float a, const aiVector3D& axis, aiMatrix3x3& out) -{ - float c = cos( a), s = sin( a), t = 1 - c; - float x = axis.x, y = axis.y, z = axis.z; - - // Many thanks to MathWorld and Wikipedia - out.a1 = t*x*x + c; out.a2 = t*x*y - s*z; out.a3 = t*x*z + s*y; - out.b1 = t*x*y + s*z; out.b2 = t*y*y + c; out.b3 = t*y*z - s*x; - out.c1 = t*x*z - s*y; out.c2 = t*y*z + s*x; out.c3 = t*z*z + c; - - return out; -} - -// ------------------------------------------------------------------------------------------------ -inline aiMatrix3x3& aiMatrix3x3::Translation( const aiVector2D& v, aiMatrix3x3& out) -{ - out = aiMatrix3x3(); - out.a3 = v.x; - out.b3 = v.y; - return out; -} - -// ---------------------------------------------------------------------------------------- -/** A function for creating a rotation matrix that rotates a vector called - * "from" into another vector called "to". - * Input : from[3], to[3] which both must be *normalized* non-zero vectors - * Output: mtx[3][3] -- a 3x3 matrix in colum-major form - * Authors: Tomas Möller, John Hughes - * "Efficiently Building a Matrix to Rotate One Vector to Another" - * Journal of Graphics Tools, 4(4):1-4, 1999 - */ -// ---------------------------------------------------------------------------------------- -inline aiMatrix3x3& aiMatrix3x3::FromToMatrix(const aiVector3D& from, - const aiVector3D& to, aiMatrix3x3& mtx) -{ - const float e = from * to; - const float f = (e < 0)? -e:e; - - if (f > 1.0 - 0.00001f) /* "from" and "to"-vector almost parallel */ - { - aiVector3D u,v; /* temporary storage vectors */ - aiVector3D x; /* vector most nearly orthogonal to "from" */ - - x.x = (from.x > 0.0)? from.x : -from.x; - x.y = (from.y > 0.0)? from.y : -from.y; - x.z = (from.z > 0.0)? from.z : -from.z; - - if (x.x < x.y) - { - if (x.x < x.z) - { - x.x = 1.0; x.y = x.z = 0.0; - } - else - { - x.z = 1.0; x.y = x.z = 0.0; - } - } - else - { - if (x.y < x.z) - { - x.y = 1.0; x.x = x.z = 0.0; - } - else - { - x.z = 1.0; x.x = x.y = 0.0; - } - } - - u.x = x.x - from.x; u.y = x.y - from.y; u.z = x.z - from.z; - v.x = x.x - to.x; v.y = x.y - to.y; v.z = x.z - to.z; - - const float c1 = 2.0f / (u * u); - const float c2 = 2.0f / (v * v); - const float c3 = c1 * c2 * (u * v); - - for (unsigned int i = 0; i < 3; i++) - { - for (unsigned int j = 0; j < 3; j++) - { - mtx[i][j] = - c1 * u[i] * u[j] - c2 * v[i] * v[j] - + c3 * v[i] * u[j]; - } - mtx[i][i] += 1.0; - } - } - else /* the most common case, unless "from"="to", or "from"=-"to" */ - { - const aiVector3D v = from ^ to; - /* ... use this hand optimized version (9 mults less) */ - const float h = 1.0f/(1.0f + e); /* optimization by Gottfried Chen */ - const float hvx = h * v.x; - const float hvz = h * v.z; - const float hvxy = hvx * v.y; - const float hvxz = hvx * v.z; - const float hvyz = hvz * v.y; - mtx[0][0] = e + hvx * v.x; - mtx[0][1] = hvxy - v.z; - mtx[0][2] = hvxz + v.y; - - mtx[1][0] = hvxy + v.z; - mtx[1][1] = e + h * v.y * v.y; - mtx[1][2] = hvyz - v.x; - - mtx[2][0] = hvxz - v.y; - mtx[2][1] = hvyz + v.x; - mtx[2][2] = e + hvz * v.z; - } - return mtx; -} - - -#endif // __cplusplus -#endif // AI_MATRIX3x3_INL_INC |