summaryrefslogtreecommitdiff
path: root/src/mesh/assimp-master/include/assimp/matrix3x3.h
diff options
context:
space:
mode:
authorsanine <sanine.not@pm.me>2022-03-04 10:47:15 -0600
committersanine <sanine.not@pm.me>2022-03-04 10:47:15 -0600
commit058f98a63658dc1a2579826ba167fd61bed1e21f (patch)
treebcba07a1615a14d943f3af3f815a42f3be86b2f3 /src/mesh/assimp-master/include/assimp/matrix3x3.h
parent2f8028ac9e0812cb6f3cbb08f0f419e4e717bd22 (diff)
add assimp submodule
Diffstat (limited to 'src/mesh/assimp-master/include/assimp/matrix3x3.h')
-rw-r--r--src/mesh/assimp-master/include/assimp/matrix3x3.h178
1 files changed, 178 insertions, 0 deletions
diff --git a/src/mesh/assimp-master/include/assimp/matrix3x3.h b/src/mesh/assimp-master/include/assimp/matrix3x3.h
new file mode 100644
index 0000000..74382e2
--- /dev/null
+++ b/src/mesh/assimp-master/include/assimp/matrix3x3.h
@@ -0,0 +1,178 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2022, assimp team
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+ copyright notice, this list of conditions and the
+ following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+ copyright notice, this list of conditions and the
+ following disclaimer in the documentation and/or other
+ materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+ contributors may be used to endorse or promote products
+ derived from this software without specific prior
+ written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file matrix3x3.h
+ * @brief Definition of a 3x3 matrix, including operators when compiling in C++
+ */
+#pragma once
+#ifndef AI_MATRIX3X3_H_INC
+#define AI_MATRIX3X3_H_INC
+
+#ifdef __GNUC__
+# pragma GCC system_header
+#endif
+
+#include <assimp/defs.h>
+
+#ifdef __cplusplus
+
+template <typename T> class aiMatrix4x4t;
+template <typename T> class aiVector2t;
+template <typename T> class aiVector3t;
+
+// ---------------------------------------------------------------------------
+/** @brief Represents a row-major 3x3 matrix
+ *
+ * There's much confusion about matrix layouts (column vs. row order).
+ * This is *always* a row-major matrix. Not even with the
+ * #aiProcess_ConvertToLeftHanded flag, which absolutely does not affect
+ * matrix order - it just affects the handedness of the coordinate system
+ * defined thereby.
+ */
+template <typename TReal>
+class aiMatrix3x3t {
+public:
+ aiMatrix3x3t() AI_NO_EXCEPT :
+ a1(static_cast<TReal>(1.0f)), a2(), a3(),
+ b1(), b2(static_cast<TReal>(1.0f)), b3(),
+ c1(), c2(), c3(static_cast<TReal>(1.0f)) {}
+
+ aiMatrix3x3t ( TReal _a1, TReal _a2, TReal _a3,
+ TReal _b1, TReal _b2, TReal _b3,
+ TReal _c1, TReal _c2, TReal _c3) :
+ a1(_a1), a2(_a2), a3(_a3),
+ b1(_b1), b2(_b2), b3(_b3),
+ c1(_c1), c2(_c2), c3(_c3)
+ {}
+
+ // matrix multiplication.
+ aiMatrix3x3t& operator *= (const aiMatrix3x3t& m);
+ aiMatrix3x3t operator * (const aiMatrix3x3t& m) const;
+
+ // array access operators
+ TReal* operator[] (unsigned int p_iIndex);
+ const TReal* operator[] (unsigned int p_iIndex) const;
+
+ // comparison operators
+ bool operator== (const aiMatrix3x3t<TReal>& m) const;
+ bool operator!= (const aiMatrix3x3t<TReal>& m) const;
+
+ bool Equal(const aiMatrix3x3t<TReal> &m, TReal epsilon = ai_epsilon) const;
+
+ template <typename TOther>
+ operator aiMatrix3x3t<TOther> () const;
+
+ // -------------------------------------------------------------------
+ /** @brief Construction from a 4x4 matrix. The remaining parts
+ * of the matrix are ignored.
+ */
+ explicit aiMatrix3x3t( const aiMatrix4x4t<TReal>& pMatrix);
+
+ // -------------------------------------------------------------------
+ /** @brief Transpose the matrix
+ */
+ aiMatrix3x3t& Transpose();
+
+ // -------------------------------------------------------------------
+ /** @brief Invert the matrix.
+ * If the matrix is not invertible all elements are set to qnan.
+ * Beware, use (f != f) to check whether a TReal f is qnan.
+ */
+ aiMatrix3x3t& Inverse();
+ TReal Determinant() const;
+
+ // -------------------------------------------------------------------
+ /** @brief Returns a rotation matrix for a rotation around z
+ * @param a Rotation angle, in radians
+ * @param out Receives the output matrix
+ * @return Reference to the output matrix
+ */
+ static aiMatrix3x3t& RotationZ(TReal a, aiMatrix3x3t& out);
+
+ // -------------------------------------------------------------------
+ /** @brief Returns a rotation matrix for a rotation around
+ * an arbitrary axis.
+ *
+ * @param a Rotation angle, in radians
+ * @param axis Axis to rotate around
+ * @param out To be filled
+ */
+ static aiMatrix3x3t& Rotation( TReal a, const aiVector3t<TReal>& axis, aiMatrix3x3t& out);
+
+ // -------------------------------------------------------------------
+ /** @brief Returns a translation matrix
+ * @param v Translation vector
+ * @param out Receives the output matrix
+ * @return Reference to the output matrix
+ */
+ static aiMatrix3x3t& Translation( const aiVector2t<TReal>& v, aiMatrix3x3t& out);
+
+ // -------------------------------------------------------------------
+ /** @brief 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 column-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
+ */
+ static aiMatrix3x3t& FromToMatrix(const aiVector3t<TReal>& from,
+ const aiVector3t<TReal>& to, aiMatrix3x3t& out);
+
+public:
+ TReal a1, a2, a3;
+ TReal b1, b2, b3;
+ TReal c1, c2, c3;
+};
+
+typedef aiMatrix3x3t<ai_real> aiMatrix3x3;
+
+#else
+
+struct aiMatrix3x3 {
+ ai_real a1, a2, a3;
+ ai_real b1, b2, b3;
+ ai_real c1, c2, c3;
+};
+
+#endif // __cplusplus
+
+#endif // AI_MATRIX3X3_H_INC