Matrix

Object Hierarchy:

Description:

Content:

Methods:

• public bool decompose (out Vec3 translate, out Vec3 scale, out Quaternion rotate, out Vec3 shear, out Vec4 perspective)
  Decomposes a transformation matrix into its component transformations.
• public float determinant ()
  Computes the determinant of the given matrix.
• public bool equal (Matrix b)
  Checks whether the two given Matrix matrices are equal.
• public bool equal_fast (Matrix b)
  Checks whether the two given Matrix matrices are byte-by-byte equal.
• public Vec4 get_row (uint index_)
  Retrieves the given row vector at index_ inside a matrix.
• public float get_value (uint row, uint col)
  Retrieves the value at the given row and col index.
• public float get_x_scale ()
  Retrieves the scaling factor on the X axis in this.
• public float get_x_translation ()
  Retrieves the translation component on the X axis from this.
• public float get_y_scale ()
  Retrieves the scaling factor on the Y axis in this.
• public float get_y_translation ()
  Retrieves the translation component on the Y axis from this.
• public float get_z_scale ()
  Retrieves the scaling factor on the Z axis in this.
• public float get_z_translation ()
  Retrieves the translation component on the Z axis from this.
• public unowned Matrix? init_from_2d (double xx, double yx, double xy, double yy, double x_0, double y_0)
  Initializes a Matrix from the values of an affine transformation matrix.
• public unowned Matrix? init_from_float (float[] v)
  Initializes a Matrix with the given array of floating point values.
• public unowned Matrix? init_from_matrix (Matrix src)
  Initializes a Matrix using the values of the given matrix.
• public unowned Matrix? init_from_vec4 (Vec4 v0, Vec4 v1, Vec4 v2, Vec4 v3)
  Initializes a Matrix with the given four row vectors.
• public unowned Matrix? init_frustum (float left, float right, float bottom, float top, float z_near, float z_far)
  Initializes a Matrix compatible with Frustum.
• public unowned Matrix? init_identity ()
  Initializes a Matrix with the identity matrix.
• public unowned Matrix? init_look_at (Vec3 eye, Vec3 center, Vec3 up)
  Initializes a Matrix so that it positions the "camera" at the given eye coordinates towards an object at the center coordinates.
• public unowned Matrix? init_ortho (float left, float right, float top, float bottom, float z_near, float z_far)
  Initializes a Matrix with an orthographic projection.
• public unowned Matrix? init_perspective (float fovy, float aspect, float z_near, float z_far)
  Initializes a Matrix with a perspective projection.
• public unowned Matrix? init_rotate (float angle, Vec3 axis)
  Initializes this to represent a rotation of angle degrees on the axis represented by the axis vector.
• public unowned Matrix? init_scale (float x, float y, float z)
  Initializes a Matrix with the given scaling factors.
• public unowned Matrix? init_skew (float x_skew, float y_skew)
  Initializes a Matrix with a skew transformation with the given factors.
• public unowned Matrix? init_translate (Point3D p)
  Initializes a Matrix with a translation to the given coordinates.
• public Matrix interpolate (Matrix b, double factor)
  Linearly interpolates the two given Matrix by interpolating the decomposed transformations separately.
• public bool inverse (out Matrix res)
  Inverts the given matrix.
• public bool is_2d ()
  Checks whether the given Matrix is compatible with an a 2D affine transformation matrix.
• public bool is_backface_visible ()
  Checks whether a Matrix has a visible back face.
• public bool is_identity ()
  Checks whether the given Matrix is the identity matrix.
• public bool is_singular ()
  Checks whether a matrix is singular.
• public Matrix multiply (Matrix b)
  Multiplies two Matrix.
• public bool near (Matrix b, float epsilon)
  Compares the two given Matrix matrices and checks whether their values are within the given epsilon of each other.
• public Matrix normalize ()
  Normalizes the given Matrix.
• public Matrix perspective (float depth)
  Applies a perspective of depth to the matrix.
• public void print ()
  Prints the contents of a matrix to the standard error stream.
• public Point project_point (Point p)
  Projects a Point using the matrix this.
• public Quad project_rect (Rect r)
  Projects all corners of a Rect using the given matrix.
• public Rect project_rect_bounds (Rect r)
  Projects a Rect using the given matrix.
• public void rotate (float angle, Vec3 axis)
  Adds a rotation transformation to this, using the given angle and axis vector.
• public void rotate_euler (Euler e)
  Adds a rotation transformation to this, using the given Euler.
• public void rotate_quaternion (Quaternion q)
  Adds a rotation transformation to this, using the given Quaternion.
• public void rotate_x (float angle)
  Adds a rotation transformation around the X axis to this, using the given angle.
• public void rotate_y (float angle)
  Adds a rotation transformation around the Y axis to this, using the given angle.
• public void rotate_z (float angle)
  Adds a rotation transformation around the Z axis to this, using the given angle.
• public void scale (float factor_x, float factor_y, float factor_z)
  Adds a scaling transformation to this, using the three given factors.
• public void skew_xy (float factor)
  Adds a skew of factor on the X and Y axis to the given matrix.
• public void skew_xz (float factor)
  Adds a skew of factor on the X and Z axis to the given matrix.
• public void skew_yz (float factor)
  Adds a skew of factor on the Y and Z axis to the given matrix.
• public bool to_2d (out double xx, out double yx, out double xy, out double yy, out double x_0, out double y_0)
  Converts a Matrix to an affine transformation matrix, if the given matrix is compatible.
• public void to_float (ref float[] v)
  Converts a Matrix to an array of floating point values.
• public Rect transform_bounds (Rect r)
  Transforms each corner of a Rect using the given matrix this.
• public Box transform_box (Box b)
  Transforms the vertices of a Box using the given matrix this.
• public Point transform_point (Point p)
  Transforms the given Point using the matrix this.
• public Point3D transform_point3d (Point3D p)
  Transforms the given Point3D using the matrix this.
• public Ray transform_ray (Ray r)
  Transform a Ray using the given matrix this.
• public Quad transform_rect (Rect r)
  Transforms each corner of a Rect using the given matrix this.
• public Sphere transform_sphere (Sphere s)
  Transforms a Sphere using the given matrix this .
• public Vec3 transform_vec3 (Vec3 v)
  Transforms the given Vec3 using the matrix this.
• public Vec4 transform_vec4 (Vec4 v)
  Transforms the given Vec4 using the matrix this.
• public void translate (Point3D pos)
  Adds a translation transformation to this using the coordinates of the given Point3D.
• public Matrix transpose ()
  Transposes the given matrix.
• public Point3D unproject_point3d (Matrix modelview, Point3D point)
  Unprojects the given point using the this matrix and a modelview matrix.
• public Rect untransform_bounds (Rect r, Rect bounds)
  Undoes the transformation on the corners of a Rect using the given matrix, within the given axis aligned rectangular bounds.
• public bool untransform_point (Point p, Rect bounds, out Point res)
  Undoes the transformation of a Point using the given matrix, within the given axis aligned rectangular bounds.