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Diffstat (limited to 'externals/g3dlite/G3D/Matrix4.h')
| -rw-r--r-- | externals/g3dlite/G3D/Matrix4.h | 249 |
1 files changed, 0 insertions, 249 deletions
diff --git a/externals/g3dlite/G3D/Matrix4.h b/externals/g3dlite/G3D/Matrix4.h deleted file mode 100644 index 9ce87d875b8..00000000000 --- a/externals/g3dlite/G3D/Matrix4.h +++ /dev/null @@ -1,249 +0,0 @@ -/** - @file Matrix4.h - - 4x4 matrix class - - @maintainer Morgan McGuire, http://graphics.cs.williams.edu - - @created 2003-10-02 - @edited 2009-10-20 - */ - -#ifndef G3D_Matrix4_h -#define G3D_Matrix4_h - -#ifdef _MSC_VER -// Disable conditional expression is constant, which occurs incorrectly on inlined functions -# pragma warning (push) -# pragma warning( disable : 4127 ) -#endif - -#include "G3D/platform.h" -#include "G3D/debugAssert.h" -#include "G3D/Matrix3.h" -#include "G3D/Vector3.h" - -namespace G3D { - -class Any; - -/** - A 4x4 matrix. - - See also G3D::CoordinateFrame, G3D::Matrix3, G3D::Quat - */ -class Matrix4 { -private: - - float elt[4][4]; - - /** - Computes the determinant of the 3x3 matrix that lacks excludeRow - and excludeCol. - */ - float subDeterminant(int excludeRow, int excludeCol) const; - - // Hidden operators - bool operator<(const Matrix4&) const; - bool operator>(const Matrix4&) const; - bool operator<=(const Matrix4&) const; - bool operator>=(const Matrix4&) const; - -public: - /** Must be of the form: <code>Matrix4(#, #, # .... #)</code>*/ - Matrix4(const Any& any); - - operator Any() const; - - Matrix4( - float r1c1, float r1c2, float r1c3, float r1c4, - float r2c1, float r2c2, float r2c3, float r2c4, - float r3c1, float r3c2, float r3c3, float r3c4, - float r4c1, float r4c2, float r4c3, float r4c4); - - /** - init should be <B>row major</B>. - */ - Matrix4(const float* init); - - /** - a is the upper left 3x3 submatrix and b is the upper right 3x1 submatrix. The last row of the created matrix is (0,0,0,1). - */ - Matrix4(const class Matrix3& upper3x3, const class Vector3& lastCol = Vector3::zero()); - - Matrix4(const class CoordinateFrame& c); - - Matrix4(const double* init); - - Matrix4(); - - /** Produces an RT transformation that nearly matches this Matrix4. - Because a Matrix4 may not be precisely a rotation and translation, - this may introduce error. */ - class CoordinateFrame approxCoordinateFrame() const; - - // Special values. - // Intentionally not inlined: see Matrix3::identity() for details. - static const Matrix4& identity(); - static const Matrix4& zero(); - - /** If this is a perspective projection matrix created by - Matrix4::perspectiveProjection, extract its parameters. */ - void getPerspectiveProjectionParameters - (float& left, - float& right, - float& bottom, - float& top, - float& nearval, - float& farval, - float updirection = -1.0f) const; - - inline float* operator[](int r) { - debugAssert(r >= 0); - debugAssert(r < 4); - return (float*)&elt[r]; - } - - inline const float* operator[](int r) const { - debugAssert(r >= 0); - debugAssert(r < 4); - return (const float*)&elt[r]; - } - - inline operator float* () { - return (float*)&elt[0][0]; - } - - inline operator const float* () const { - return (const float*)&elt[0][0]; - } - - Matrix4 operator*(const Matrix4& other) const; - - class Matrix3 upper3x3() const; - - /** Homogeneous multiplication. Let k = M * [v w]^T. result = k.xyz() / k.w */ - class Vector3 homoMul(const class Vector3& v, float w) const; - - /** - Constructs an orthogonal projection matrix from the given parameters. - Near and far are the <b>NEGATIVE</b> of the near and far plane Z values - (to follow OpenGL conventions). - - \param upDirection Use -1.0 for 2D Y increasing downwards (the G3D 8.x default convention), - 1.0 for 2D Y increasing upwards (the G3D 7.x default and OpenGL convention) - */ - static Matrix4 orthogonalProjection( - float left, - float right, - float bottom, - float top, - float nearval, - float farval, - float upDirection = -1.0f); - - - /** \param upDirection Use -1.0 for 2D Y increasing downwards (the G3D 8.x default convention), - 1.0 for 2D Y increasing upwards (the G3D 7.x default and OpenGL convention) - */ - static Matrix4 orthogonalProjection( - const class Rect2D& rect, - float nearval, - float farval, - float upDirection = -1.0f); - - /** \param upDirection Use -1.0 for 2D Y increasing downwards (the G3D 8.x default convention), - 1.0 for 2D Y increasing upwards (the G3D 7.x default and OpenGL convention) - */ - static Matrix4 perspectiveProjection( - float left, - float right, - float bottom, - float top, - float nearval, - float farval, - float upDirection = -1.0f); - - void setRow(int r, const class Vector4& v); - void setColumn(int c, const Vector4& v); - - const Vector4& row(int r) const; - Vector4 column(int c) const; - - Matrix4 operator*(const float s) const; - Vector4 operator*(const Vector4& vector) const; - - Matrix4 transpose() const; - - bool operator!=(const Matrix4& other) const; - bool operator==(const Matrix4& other) const; - - float determinant() const; - Matrix4 inverse() const; - - /** - Transpose of the cofactor matrix (used in computing the inverse). - Note: This is in fact only one type of adjoint. More generally, - an adjoint of a matrix is any mapping of a matrix which possesses - certain properties. This returns the so-called adjugate - or classical adjoint. - */ - Matrix4 adjoint() const; - Matrix4 cofactor() const; - - /** Serializes row-major */ - void serialize(class BinaryOutput& b) const; - void deserialize(class BinaryInput& b); - - std::string toString() const; - - /** 3D scale matrix */ - inline static Matrix4 scale(const Vector3& v) { - return Matrix4(v.x, 0, 0, 0, - 0, v.y, 0, 0, - 0, 0, v.z, 0, - 0, 0, 0, 1); - } - - /** 3D scale matrix */ - inline static Matrix4 scale(float x, float y, float z) { - return scale(Vector3(x, y, z)); - } - - /** 3D scale matrix */ - inline static Matrix4 scale(float s) { - return scale(s,s,s); - } - - /** 3D translation matrix */ - inline static Matrix4 translation(const Vector3& v) { - return Matrix4(Matrix3::identity(), v); - } - - inline static Matrix4 translation(float x, float y, float z) { - return Matrix4(Matrix3::identity(), Vector3(x, y, z)); - } - - /** Create a rotation matrix that rotates \a deg degrees around the Y axis */ - inline static Matrix4 yawDegrees(float deg) { - return Matrix4(Matrix3::fromAxisAngle(Vector3::unitY(), toRadians(deg))); - } - - inline static Matrix4 pitchDegrees(float deg) { - return Matrix4(Matrix3::fromAxisAngle(Vector3::unitX(), toRadians(deg))); - } - - inline static Matrix4 rollDegrees(float deg) { - return Matrix4(Matrix3::fromAxisAngle(Vector3::unitZ(), toRadians(deg))); - } -}; - - - -} // namespace - -#ifdef _MSC_VER -# pragma warning (pop) -#endif - -#endif |