All Packages  Class Hierarchy  This Package  Previous  Next  Index

Class java.vecmath.Matrix3f 

java.lang.Object
   |
   +----java.vecmath.Matrix3f
public class Matrix3f
extends Object
A single precision floating point 3 by 3 matrix.

Variable Index

o m00
The matrix element that maps x into x'.
o m01
The matrix element that maps y into x'.
o m02
The matrix element that maps z into x'.
o m10
The matrix element that maps x into y'.
o m11
The matrix element that maps y into y'.
o m12
The matrix element that maps z into y'.
o m20
The matrix element that maps x into z'.
o m21
The matrix element that maps y into z'.
o m22
The matrix element that maps z into z'.

Constructor Index

o Matrix3f()
Constructs and initializes a Matrix3f to all zeros.
o Matrix3f(float, float, float, float, float, float, float, float, float)
Constructs and initializes a Matrix3f from the specified nine values.
o Matrix3f(float[])
Constructs and initializes a Matrix3f from the specified nine- element array.
o Matrix3f(Matrix3d)
Constructs a new matrix with the same values as the Matrix3d parameter.
o Matrix3f(Matrix3f)
Constructs a new matrix with the same values as the Matrix3f parameter.

Method Index

o add(Matrix3f)
Sets the value of this matrix to the matrix sum of itself and matrix m1.
o add(Matrix3f, Matrix3f)
Sets the value of this matrix to the matrix sum of matrices m1 and m2.
o determinant()
Computes the determinant of this matrix.
o epsilonEquals(Matrix3f, float)
Returns true if the L-infinite distance between this matrix and matrix m1 is less than or equal to the epsilon parameter, otherwise returns false.
o equals(Matrix3f)
Returns true if all of the data members of Matrix3f m1 are equal to the corresponding data members in this Matrix3f.
o getElement(int, int)
Retrieves the value at the specified row and column of this matrix.
o hashCode()
Returns a hash number based on the data values in this object.
o invert()
Inverts this matrix in place.
o invert(Matrix3f)
Sets the value of this matrix to the matrix inverse of the passed matrix m1.
o mul(Matrix3f)
Sets the value of this matrix to the result of multiplying itself with matrix m1.
o mul(Matrix3f, Matrix3f)
Sets the value of this matrix to the result of multiplying the two argument matrices together.
o mulNormalize(Matrix3f)
Multiplies this matrix by matrix m1, does an SVD normalization of the result, and places the result back into this matrix this = SVDnorm(this*m1).
o mulNormalize(Matrix3f, Matrix3f)
Multiplies matrix m1 by matrix m2, does an SVD normalization of the result, and places the result into this matrix this = SVDnorm(m1*m2).
o mulTransposeBoth(Matrix3f, Matrix3f)
Multiplies the transpose of matrix m1 times the transpose of matrix m2, and places the result into this.
o mulTransposeLeft(Matrix3f, Matrix3f)
Multiplies the transpose of matrix m1 times matrix m2, and places the result into this.
o mulTransposeRight(Matrix3f, Matrix3f)
Multiplies matrix m1 times the transpose of matrix m2, and places the result into this.
o negate()
Negates the value of this matrix: this = -this.
o negate(Matrix3f)
Sets the value of this matrix equal to the negation of of the Matrix3f parameter.
o normalize()
Performs singular value decomposition normalization of this matrix.
o normalize(Matrix3f)
Perform singular value decomposition normalization of matrix m1 and place the normalized values into this.
o normalizeCP()
Perform cross product normalization of this matrix.
o normalizeCP(Matrix3f)
Perform cross product normalization of matrix m1 and place the normalized values into this.
o rotX(float)
Sets the value of this matrix to a rotation matrix about the x axis by the passed angle.
o rotY(float)
Sets the value of this matrix to a rotation matrix about the y axis by the passed angle.
o rotZ(float)
Sets the value of this matrix to a rotation matrix about the z axis by the passed angle.
o set(AxisAngle4d)
o set(AxisAngle4f)
Sets the value of this matrix to the matrix conversion of the (single precision) axis and angle argument.
o set(float)
Sets the value of this matrix to a scale matrix with the passed scale amount.
o set(float[])
Sets the values in this Matrix3f equal to the row-major array parameter (ie, the first three elements of the array will be copied into the first row of this matrix, etc.).
o set(Quat4d)
Sets the value of this matrix to the matrix conversion of the (single precision) quaternion argument.
o set(Quat4f)
Sets the value of this matrix to the matrix conversion of the (single precision) quaternion argument.
o setColumn(int, float, float, float)
Sets the specified column of this matrix3f to the three values provided.
o setColumn(int, float[])
Sets the specified column of this matrix3f to the three values provided.
o setColumn(int, Vector3f)
Sets the specified column of this matrix3f to the vector provided.
o setElement(int, int, float)
Sets the specified element of this matrix3f to the value provided.
o setIdentity()
Sets this Matrix3f to identity.
o setRow(int, float, float, float)
Sets the specified row of this matrix3f to the three values provided.
o setRow(int, float[])
Sets the specified row of this matrix3f to the three values provided.
o setRow(int, Vector3f)
Sets the specified row of this matrix3f to the Vector provided.
o setZero()
Sets this matrix to all zeros.
o sub(Matrix3f)
Sets the value of this matrix to the matrix difference of itself and matrix m1 (this = this - m1).
o sub(Matrix3f, Matrix3f)
Sets the value of this matrix to the matrix difference of matrices m1 and m2.
o toString()
Returns a string that contains the values of this Matrix3f.
o transpose()
Sets the value of this matrix to its transpose.
o transpose(Matrix3f)
Sets the value of this matrix to the transpose of the argument matrix.

Variables

o m00 
 public float m00
The matrix element that maps x into x'.

o m01 
 public float m01
The matrix element that maps y into x'.

o m02 
 public float m02
The matrix element that maps z into x'.

o m10 
 public float m10
The matrix element that maps x into y'.

o m11 
 public float m11
The matrix element that maps y into y'.

o m12 
 public float m12
The matrix element that maps z into y'.

o m20 
 public float m20
The matrix element that maps x into z'.

o m21 
 public float m21
The matrix element that maps y into z'.

o m22 
 public float m22
The matrix element that maps z into z'.

Constructors

o Matrix3f 
 public Matrix3f(float m00,
                 float m01,
                 float m02,
                 float m10,
                 float m11,
                 float m12,
                 float m20,
                 float m21,
                 float m22)
Constructs and initializes a Matrix3f from the specified nine values.

Parameters:
m00 - the [0][0] element
m01 - the [0][1] element
m02 - the [0][2] element
m10 - the [1][0] element
m11 - the [1][1] element
m12 - the [1][2] element
m20 - the [2][0] element
m21 - the [2][1] element
m22 - the [2][2] element
o Matrix3f 
 public Matrix3f(float v[])
Constructs and initializes a Matrix3f from the specified nine- element array. this.m00 =v[0], this.m01=v[1], etc.

Parameters:
v - the array of length 9 containing in order
o Matrix3f 
 public Matrix3f(Matrix3d m1)
Constructs a new matrix with the same values as the Matrix3d parameter.

Parameters:
m1 - The source matrix.
o Matrix3f 
 public Matrix3f(Matrix3f m1)
Constructs a new matrix with the same values as the Matrix3f parameter.

Parameters:
m1 - The source matrix.
o Matrix3f 
 public Matrix3f()
Constructs and initializes a Matrix3f to all zeros.

Methods

o toString 
 public String toString()
Returns a string that contains the values of this Matrix3f.

Returns:
the String representation
Overrides:
toString in class Object
o setIdentity 
 public final void setIdentity()
Sets this Matrix3f to identity.

o setElement 
 public final void setElement(int row,
                              int column,
                              float value)
Sets the specified element of this matrix3f to the value provided.

Parameters:
row - the row number to be modified (zero indexed)
column - the column number to be modified (zero indexed)
value - the new value
o getElement 
 public final float getElement(int row,
                               int column)
Retrieves the value at the specified row and column of this matrix.

Parameters:
row - the row number to be retrieved (zero indexed)
column - the column number to be retrieved (zero indexed)
m - the matrix
Returns:
the value at the indexed element.
o setRow 
 public final void setRow(int row,
                          float x,
                          float y,
                          float z)
Sets the specified row of this matrix3f to the three values provided.

Parameters:
row - the row number to be modified (zero indexed)
x - the first column element
y - the second column element
z - the third column element
o setRow 
 public final void setRow(int row,
                          Vector3f v)
Sets the specified row of this matrix3f to the Vector provided.

Parameters:
row - the row number to be modified (zero indexed)
v - the replacement row
o setRow 
 public final void setRow(int row,
                          float v[])
Sets the specified row of this matrix3f to the three values provided.

Parameters:
row - the row number to be modified (zero indexed)
v - the replacement row
o setColumn 
 public final void setColumn(int column,
                             float x,
                             float y,
                             float z)
Sets the specified column of this matrix3f to the three values provided.

Parameters:
column - the column number to be modified (zero indexed)
x - the first row element
y - the second row element
z - the third row element
o setColumn 
 public final void setColumn(int column,
                             Vector3f v)
Sets the specified column of this matrix3f to the vector provided.

Parameters:
column - the column number to be modified (zero indexed)
v - the replacement column
o setColumn 
 public final void setColumn(int column,
                             float v[])
Sets the specified column of this matrix3f to the three values provided.

Parameters:
column - the column number to be modified (zero indexed)
v - the replacement column
o add 
 public final void add(Matrix3f m1,
                       Matrix3f m2)
Sets the value of this matrix to the matrix sum of matrices m1 and m2.

Parameters:
m1 - the first matrix
m2 - the second matrix
o add 
 public final void add(Matrix3f m1)
Sets the value of this matrix to the matrix sum of itself and matrix m1.

Parameters:
m1 - the other matrix
o sub 
 public final void sub(Matrix3f m1,
                       Matrix3f m2)
Sets the value of this matrix to the matrix difference of matrices m1 and m2.

Parameters:
m1 - the first matrix
m2 - the second matrix
o sub 
 public final void sub(Matrix3f m1)
Sets the value of this matrix to the matrix difference of itself and matrix m1 (this = this - m1).

Parameters:
m1 - the other matrix
o transpose 
 public final void transpose()
Sets the value of this matrix to its transpose.

o transpose 
 public final void transpose(Matrix3f m1)
Sets the value of this matrix to the transpose of the argument matrix.

Parameters:
m1 - the matrix to be transposed
o set 
 public final void set(Quat4f q1)
Sets the value of this matrix to the matrix conversion of the (single precision) quaternion argument.

Parameters:
q1 - the quaternion to be converted
o set 
 public final void set(AxisAngle4f a1)
Sets the value of this matrix to the matrix conversion of the (single precision) axis and angle argument.

Parameters:
a1 - the axis and angle to be converted
o set 
 public final void set(AxisAngle4d a1)
o set 
 public final void set(Quat4d q1)
Sets the value of this matrix to the matrix conversion of the (single precision) quaternion argument.

Parameters:
q1 - the quaternion to be converted
o set 
 public final void set(float m[])
Sets the values in this Matrix3f equal to the row-major array parameter (ie, the first three elements of the array will be copied into the first row of this matrix, etc.).

Parameters:
m - The single precision array of length 9
o invert 
 public final void invert(Matrix3f m1)
Sets the value of this matrix to the matrix inverse of the passed matrix m1.

Parameters:
m1 - the matrix to be inverted
o invert 
 public final void invert()
Inverts this matrix in place.

o determinant 
 public final float determinant()
Computes the determinant of this matrix.

Returns:
the determinant of this matrix
o set 
 public final void set(float scale)
Sets the value of this matrix to a scale matrix with the passed scale amount.

Parameters:
scale - the scale factor for the matrix
o rotX 
 public final void rotX(float angle)
Sets the value of this matrix to a rotation matrix about the x axis by the passed angle.

Parameters:
angle - the angle to rotate about the X axis in radians
o rotY 
 public final void rotY(float angle)
Sets the value of this matrix to a rotation matrix about the y axis by the passed angle.

Parameters:
angle - the angle to rotate about the Y axis in radians
o rotZ 
 public final void rotZ(float angle)
Sets the value of this matrix to a rotation matrix about the z axis by the passed angle.

Parameters:
angle - the angle to rotate about the Z axis in radians
o mul 
 public final void mul(Matrix3f m1)
Sets the value of this matrix to the result of multiplying itself with matrix m1.

Parameters:
m1 - the other matrix
o mul 
 public final void mul(Matrix3f m1,
                       Matrix3f m2)
Sets the value of this matrix to the result of multiplying the two argument matrices together.

Parameters:
m1 - the first matrix
m2 - the second matrix
o mulNormalize 
 public final void mulNormalize(Matrix3f m1)
Multiplies this matrix by matrix m1, does an SVD normalization of the result, and places the result back into this matrix this = SVDnorm(this*m1).

Parameters:
The - matrix on the right hand side of the multiplication
o mulNormalize 
 public final void mulNormalize(Matrix3f m1,
                                Matrix3f m2)
Multiplies matrix m1 by matrix m2, does an SVD normalization of the result, and places the result into this matrix this = SVDnorm(m1*m2).

Parameters:
m1 - The matrix on the left hand side of the multiplication
m2 - The matrix on the right hand side of the multiplication
o mulTransposeBoth 
 public final void mulTransposeBoth(Matrix3f m1,
                                    Matrix3f m2)
Multiplies the transpose of matrix m1 times the transpose of matrix m2, and places the result into this.

Parameters:
m1 - The matrix on the left hand side of the multiplication
m2 - The matrix on the right hand side of the multiplication
o mulTransposeRight 
 public final void mulTransposeRight(Matrix3f m1,
                                     Matrix3f m2)
Multiplies matrix m1 times the transpose of matrix m2, and places the result into this.

Parameters:
m1 - The matrix on the left hand side of the multiplication
m2 - The matrix on the right hand side of the multiplication
o mulTransposeLeft 
 public final void mulTransposeLeft(Matrix3f m1,
                                    Matrix3f m2)
Multiplies the transpose of matrix m1 times matrix m2, and places the result into this.

Parameters:
m1 - The matrix on the left hand side of the multiplication
m2 - The matrix on the right hand side of the multiplication
o normalize 
 public final void normalize()
Performs singular value decomposition normalization of this matrix.

o normalize 
 public final void normalize(Matrix3f m1)
Perform singular value decomposition normalization of matrix m1 and place the normalized values into this.

Parameters:
m1 - Provides the matrix values to be normalized
o normalizeCP 
 public final void normalizeCP()
Perform cross product normalization of this matrix.

o normalizeCP 
 public final void normalizeCP(Matrix3f m1)
Perform cross product normalization of matrix m1 and place the normalized values into this.

Parameters:
m1 - Provides the matrix values to be normalized
o equals 
 public boolean equals(Matrix3f m1)
Returns true if all of the data members of Matrix3f m1 are equal to the corresponding data members in this Matrix3f.

Parameters:
m1 - The matrix with which the comparison is made.
Returns:
true or false
o epsilonEquals 
 public boolean epsilonEquals(Matrix3f m1,
                              float epsilon)
Returns true if the L-infinite distance between this matrix and matrix m1 is less than or equal to the epsilon parameter, otherwise returns false. The L-infinite distance is equal to MAX[i=0,1,2 ; j=0,1,2 ; abs(this.m(i,j) - m1.m(i,j)]

Parameters:
m1 - The matrix to be compared to this matrix
epsilon - the threshold value
o hashCode 
 public int hashCode()
Returns a hash number based on the data values in this object. Two different Matrix3f objects with identical data values (ie, returns true for equals(Matrix3f) ) will return the same hash number. Two objects with different data members may return the same hash value, although this is not likely.

Returns:
the integer hash value
Overrides:
hashCode in class Object
o setZero 
 public final void setZero()
Sets this matrix to all zeros.

o negate 
 public final void negate()
Negates the value of this matrix: this = -this.

o negate 
 public final void negate(Matrix3f m1)
Sets the value of this matrix equal to the negation of of the Matrix3f parameter.

Parameters:
m1 - The source matrix 
All Packages  Class Hierarchy  This Package  Previous  Next  Index