javax.vecmath
public class Matrix4f extends Object implements Serializable
Field Summary | |
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float | m00
The first element of the first row. |
float | m01
The second element of the first row. |
float | m02
third element of the first row. |
float | m03
The fourth element of the first row. |
float | m10
The first element of the second row. |
float | m11
The second element of the second row. |
float | m12
The third element of the second row. |
float | m13
The fourth element of the second row. |
float | m20
The first element of the third row. |
float | m21
The second element of the third row. |
float | m22
The third element of the third row. |
float | m23
The fourth element of the third row. |
float | m30
The first element of the fourth row. |
float | m31
The second element of the fourth row. |
float | m32
The third element of the fourth row. |
float | m33
The fourth element of the fourth row. |
Constructor Summary | |
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Matrix4f(float m00, float m01, float m02, float m03, float m10, float m11, float m12, float m13, float m20, float m21, float m22, float m23, float m30, float m31, float m32, float m33)
Constructs and initializes a Matrix4f from the specified 16 values. | |
Matrix4f(float[] v)
Constructs and initializes a Matrix4f from the specified 16
element array. this.m00 =v[0], this.m01=v[1], etc. | |
Matrix4f(Quat4f q1, Vector3f t1, float s)
Constructs and initializes a Matrix4f from the quaternion,
translation, and scale values; the scale is applied only to the
rotational components of the matrix (upper 3x3) and not to the
translational components. | |
Matrix4f(Matrix4d m1)
Constructs a new matrix with the same values as the Matrix4d parameter. | |
Matrix4f(Matrix4f m1)
Constructs a new matrix with the same values as the Matrix4f parameter. | |
Matrix4f(Matrix3f m1, Vector3f t1, float s)
Constructs and initializes a Matrix4f from the rotation matrix,
translation, and scale values; the scale is applied only to the
rotational components of the matrix (upper 3x3) and not to the
translational components. | |
Matrix4f()
Constructs and initializes a Matrix4f to all zeros. |
Method Summary | |
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void | add(float scalar)
Adds a scalar to each component of this matrix. |
void | add(float scalar, Matrix4f m1)
Adds a scalar to each component of the matrix m1 and places
the result into this. |
void | add(Matrix4f m1, Matrix4f m2)
Sets the value of this matrix to the matrix sum of matrices m1 and m2. |
void | add(Matrix4f m1)
Sets the value of this matrix to sum of itself and matrix m1. |
float | determinant()
Computes the determinant of this matrix. |
boolean | epsilonEquals(Matrix4f 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. |
boolean | equals(Matrix4f m1)
Returns true if all of the data members of Matrix4f m1 are
equal to the corresponding data members in this Matrix4f. |
boolean | equals(Object o1)
Returns true if the Object o1 is of type Matrix4f and all of the data
members of t1 are equal to the corresponding data members in this
Matrix4f. |
void | get(Matrix3d m1)
Performs an SVD normalization of this matrix in order to acquire the
normalized rotational component; the values are placed into the Matrix3d parameter. |
void | get(Matrix3f m1)
Performs an SVD normalization of this matrix in order to acquire the
normalized rotational component; the values are placed into the Matrix3f parameter. |
float | get(Matrix3f m1, Vector3f t1)
Performs an SVD normalization of this matrix to calculate the rotation
as a 3x3 matrix, the translation, and the scale. |
void | get(Quat4f q1)
Performs an SVD normalization of this matrix in order to acquire the
normalized rotational component; the values are placed into
the Quat4f parameter. |
void | get(Vector3f trans)
Retrieves the translational components of this matrix. |
void | getColumn(int column, Vector4f v)
Copies the matrix values in the specified column into the
vector parameter. |
void | getColumn(int column, float[] v)
Copies the matrix values in the specified column into the
array parameter. |
float | getElement(int row, int column)
Retrieves the value at the specified row and column of this matrix. |
void | getRotationScale(Matrix3f m1)
Gets the upper 3x3 values of this matrix and places them into the matrix m1. |
void | getRow(int row, Vector4f v)
Copies the matrix values in the specified row into the
vector parameter. |
void | getRow(int row, float[] v)
Copies the matrix values in the specified row into the
array parameter. |
float | getScale()
Performs an SVD normalization of this matrix to calculate and return the
uniform scale factor. |
int | hashCode()
Returns a hash number based on the data values in this
object. |
void | invert(Matrix4f m1)
Sets the value of this matrix to the matrix inverse
of the passed matrix m1. |
void | invert()
Sets the value of this matrix to its inverse. |
void | mul(float scalar)
Multiplies each element of this matrix by a scalar. |
void | mul(float scalar, Matrix4f m1)
Multiplies each element of matrix m1 by a scalar and places the result
into this. |
void | mul(Matrix4f m1)
Sets the value of this matrix to the result of multiplying itself
with matrix m1. |
void | mul(Matrix4f m1, Matrix4f m2)
Sets the value of this matrix to the result of multiplying
the two argument matrices together. |
void | mulTransposeBoth(Matrix4f m1, Matrix4f m2)
Multiplies the transpose of matrix m1 times the transpose of matrix m2,
and places the result into this. |
void | mulTransposeLeft(Matrix4f m1, Matrix4f m2)
Multiplies the transpose of matrix m1 times matrix m2, and places the
result into this. |
void | mulTransposeRight(Matrix4f m1, Matrix4f m2)
Multiplies matrix m1 times the transpose of matrix m2, and places the
result into this. |
void | negate()
Negates the value of this matrix: this = -this. |
void | negate(Matrix4f m1)
Sets the value of this matrix equal to the negation of of the Matrix4f
parameter. |
void | rotX(float angle)
Sets the value of this matrix to a rotation matrix about the x axis
by the passed angle. |
void | rotY(float angle)
Sets the value of this matrix to a rotation matrix about the y axis
by the passed angle. |
void | rotZ(float angle)
Sets the value of this matrix to a rotation matrix about the z axis
by the passed angle. |
void | set(Quat4f q1)
Sets the value of this matrix to the matrix conversion of the
single precision quaternion argument. |
void | set(AxisAngle4f a1)
Sets the value of this matrix to the matrix conversion of the
single precision axis and angle argument. |
void | set(Quat4d q1)
Sets the value of this matrix to the matrix conversion of the
(double precision) quaternion argument. |
void | set(AxisAngle4d a1)
Sets the value of this matrix to the matrix conversion of the
single precision axis and angle argument. |
void | set(Quat4d q1, Vector3d t1, double s)
Sets the value of this matrix from the rotation expressed by the
quaternion q1, the translation t1, and the scale s. |
void | set(Quat4f q1, Vector3f t1, float s)
Sets the value of this matrix from the rotation expressed by the
quaternion q1, the translation t1, and the scale s. |
void | set(Matrix4d m1)
Sets the value of this matrix to a copy of the
passed matrix m1. |
void | set(Matrix4f m1)
Sets the value of this matrix to a copy of the
passed matrix m1. |
void | set(Matrix3f m1)
Sets the rotational component (upper 3x3) of this matrix to the matrix
values in the single precision Matrix3f argument; the other elements of
this matrix are initialized as if this were an identity matrix
(ie, affine matrix with no translational component). |
void | set(Matrix3d m1)
Sets the rotational component (upper 3x3) of this matrix to the matrix
values in the double precision Matrix3d argument; the other elements of
this matrix are initialized as if this were an identity matrix
(ie, affine matrix with no translational component). |
void | set(float scale)
Sets the value of this matrix to a scale matrix with the
passed scale amount. |
void | set(float[] m)
Sets the values in this Matrix4f equal to the row-major array parameter
(ie, the first four elements of the array will be copied into the first
row of this matrix, etc.). |
void | set(Vector3f v1)
Sets the value of this matrix to a translate matrix by the
passed translation value. |
void | set(float scale, Vector3f v1)
Sets the value of this matrix to a scale and translation matrix;
scale is not applied to the translation and all of the matrix
values are modified. |
void | set(Vector3f v1, float scale)
Sets the value of this matrix to a scale and translation matrix;
the translation is scaled by the scale factor and all of the
matrix values are modified. |
void | set(Matrix3f m1, Vector3f t1, float scale)
Sets the value of this matrix from the rotation expressed by the
rotation matrix m1, the translation t1, and the scale s. |
void | set(Matrix3d m1, Vector3d t1, double scale)
Sets the value of this matrix from the rotation expressed by the
rotation matrix m1, the translation t1, and the scale s. |
void | setColumn(int column, float x, float y, float z, float w)
Sets the specified column of this matrix4f to the four values provided. |
void | setColumn(int column, Vector4f v)
Sets the specified column of this matrix4f to the vector provided. |
void | setColumn(int column, float[] v)
Sets the specified column of this matrix4f to the four values provided. |
void | setElement(int row, int column, float value)
Sets the specified element of this matrix4f to the value provided. |
void | setIdentity()
Sets this Matrix4f to identity. |
void | setRotation(Matrix3d m1)
Sets the rotational component (upper 3x3) of this matrix to the matrix
values in the single precision Matrix3f argument; the other elements of
this matrix are unchanged; a singular value decomposition is performed
on this object's upper 3x3 matrix to factor out the scale, then this
object's upper 3x3 matrix components are replaced by the passed rotation
components, and then the scale is reapplied to the rotational
components. |
void | setRotation(Matrix3f m1)
Sets the rotational component (upper 3x3) of this matrix to the matrix
values in the single precision Matrix3f argument; the other elements of
this matrix are unchanged; a singular value decomposition is performed
on this object's upper 3x3 matrix to factor out the scale, then this
object's upper 3x3 matrix components are replaced by the passed rotation
components, and then the scale is reapplied to the rotational
components. |
void | setRotation(Quat4f q1)
Sets the rotational component (upper 3x3) of this matrix to the matrix
equivalent values of the quaternion argument; the other elements of this
matrix are unchanged; a singular value decomposition is performed on
this object's upper 3x3 matrix to factor out the scale, then this
object's upper 3x3 matrix components are replaced by the matrix
equivalent of the quaternion, and then the scale is reapplied to the
rotational components. |
void | setRotation(Quat4d q1)
Sets the rotational component (upper 3x3) of this matrix to the matrix
equivalent values of the quaternion argument; the other elements of this
matrix are unchanged; a singular value decomposition is performed on
this object's upper 3x3 matrix to factor out the scale, then this
object's upper 3x3 matrix components are replaced by the matrix
equivalent of the quaternion, and then the scale is reapplied to the
rotational components. |
void | setRotation(AxisAngle4f a1)
Sets the rotational component (upper 3x3) of this matrix to the matrix
equivalent values of the axis-angle argument; the other elements of this
matrix are unchanged; a singular value decomposition is performed on
this object's upper 3x3 matrix to factor out the scale, then this
object's upper 3x3 matrix components are replaced by the matrix
equivalent of the axis-angle, and then the scale is reapplied to the
rotational components. |
void | setRotationScale(Matrix3f m1)
Replaces the upper 3x3 matrix values of this matrix with the values in the matrix m1. |
void | setRow(int row, float x, float y, float z, float w)
Sets the specified row of this matrix4f to the four values provided. |
void | setRow(int row, Vector4f v)
Sets the specified row of this matrix4f to the Vector provided. |
void | setRow(int row, float[] v)
Sets the specified row of this matrix4f to the four values provided. |
void | setScale(float scale)
Sets the scale component of the current matrix by factoring out the
current scale (by doing an SVD) from the rotational component and
multiplying by the new scale. |
void | setTranslation(Vector3f trans)
Modifies the translational components of this matrix to the values of
the Vector3f argument; the other values of this matrix are not modified. |
void | setZero()
Sets this matrix to all zeros. |
void | sub(Matrix4f m1, Matrix4f m2)
Sets the value of this matrix to the matrix difference
of matrices m1 and m2. |
void | sub(Matrix4f m1)
Sets the value of this matrix to the matrix difference of itself
and matrix m1 (this = this - m1). |
String | toString()
Returns a string that contains the values of this Matrix4f. |
void | transform(Tuple4f vec, Tuple4f vecOut)
Transform the vector vec using this Matrix4f and place the
result into vecOut. |
void | transform(Tuple4f vec)
Transform the vector vec using this Matrix4f and place the
result back into vec. |
void | transform(Point3f point, Point3f pointOut)
Transforms the point parameter with this Matrix4f and places the result
into pointOut. |
void | transform(Point3f point)
Transforms the point parameter with this Matrix4f and
places the result back into point. |
void | transform(Vector3f normal, Vector3f normalOut)
Transforms the normal parameter by this Matrix4f and places the value
into normalOut. |
void | transform(Vector3f normal)
Transforms the normal parameter by this transform and places the value
back into normal. |
void | transpose()
Sets the value of this matrix to its transpose. |
void | transpose(Matrix4f m1)
Sets the value of this matrix to the transpose of the argument matrix |
Parameters: m00 the [0][0] element m01 the [0][1] element m02 the [0][2] element m03 the [0][3] element m10 the [1][0] element m11 the [1][1] element m12 the [1][2] element m13 the [1][3] element m20 the [2][0] element m21 the [2][1] element m22 the [2][2] element m23 the [2][3] element m30 the [3][0] element m31 the [3][1] element m32 the [3][2] element m33 the [3][3] element
Parameters: v the array of length 16 containing in order
Parameters: q1 The quaternion value representing the rotational component t1 The translational component of the matrix s The scale value applied to the rotational components
Parameters: m1 The source matrix.
Parameters: m1 The source matrix.
Parameters: m1 The rotation matrix representing the rotational components t1 The translational components of the matrix s The scale value applied to the rotational components
Parameters: scalar The scalar adder.
Parameters: scalar The scalar adder.
UNKNOWN: m1 The original matrix values.
Parameters: m1 the first matrix m2 the second matrix
Parameters: m1 the other matrix
Returns: the determinant of the matrix
Parameters: m1 The matrix to be compared to this matrix epsilon the threshold value
Parameters: m1 The matrix with which the comparison is made.
Returns: true or false
Parameters: o1 the object with which the comparison is made.
Parameters: m1 matrix into which the rotational component is placed
Parameters: m1 matrix into which the rotational component is placed
Parameters: m1 The normalized matrix representing the rotation t1 The translation component
Returns: The scale component of this transform
Parameters: q1 quaternion into which the rotation component is placed
Parameters: trans the vector that will receive the translational component
Parameters: column the matrix column v The vector into which the matrix column values will be copied
Parameters: column the matrix column v The array into which the matrix column values will be copied
Parameters: row the row number to be retrieved (zero indexed) column the column number to be retrieved (zero indexed)
Returns: the value at the indexed element
Parameters: m1 The matrix that will hold the values
Parameters: row the matrix row v The vector into which the matrix row values will be copied
Parameters: row the matrix row v The array into which the matrix row values will be copied
Returns: the scale factor of this matrix
Returns: the integer hash value
Parameters: m1 the matrix to be inverted
Parameters: scalar The scalar multiplier.
Parameters: scalar The scalar multiplier. m1 The original matrix.
Parameters: m1 the other matrix
Parameters: m1 the first matrix m2 the second matrix
Parameters: m1 The matrix on the left hand side of the multiplication m2 The matrix on the right hand side of the multiplication
Parameters: m1 The matrix on the left hand side of the multiplication m2 The matrix on the right hand side of the multiplication
Parameters: m1 The matrix on the left hand side of the multiplication m2 The matrix on the right hand side of the multiplication
Parameters: m1 The source matrix
Parameters: angle the angle to rotate about the X axis in radians
Parameters: angle the angle to rotate about the Y axis in radians
Parameters: angle the angle to rotate about the Z axis in radians
Parameters: q1 the quaternion to be converted
Parameters: a1 the axis and angle to be converted
Parameters: q1 the quaternion to be converted
Parameters: a1 the axis and angle to be converted
Parameters: q1 the rotation expressed as a quaternion t1 the translation s the scale value
Parameters: q1 the rotation expressed as a quaternion t1 the translation s the scale value
Parameters: m1 the matrix to be copied
Parameters: m1 the matrix to be copied
Parameters: m1 the 3x3 matrix
Parameters: m1 the 3x3 matrix
Parameters: scale the scale factor for the matrix
Parameters: v1 the translation amount
Parameters: scale the scale factor for the matrix v1 the translation amount
Parameters: v1 the translation amount scale the scale factor for the matrix
Parameters: m1 The rotation component t1 The translation component scale The scale component
Parameters: m1 The rotation component t1 The translation component scale The scale component
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 w the fourth row element
Parameters: column the column number to be modified (zero indexed) v the replacement column
Parameters: column the column number to be modified (zero indexed) v the replacement column
Parameters: row the row number to be modified (zero indexed) column the column number to be modified (zero indexed) value the new value
Parameters: m1 single precision 3x3 matrix
Parameters: m1 single precision 3x3 matrix
Parameters: q1 the quaternion that specifies the rotation
Parameters: q1 the quaternion that specifies the rotation
Parameters: a1 the axis-angle to be converted (x, y, z, angle)
Parameters: m1 The matrix that will be the new upper 3x3
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 w the fourth column element
Parameters: row the row number to be modified (zero indexed) v the replacement row
Parameters: row the row number to be modified (zero indexed) v the replacement row
Parameters: scale the new scale amount
Parameters: trans the translational component
Parameters: m1 the first matrix m2 the second matrix
Parameters: m1 the other matrix
Returns: the String representation
Parameters: vec the single precision vector to be transformed vecOut the vector into which the transformed values are placed
Parameters: vec the single precision vector to be transformed
Parameters: point the input point to be transformed. pointOut the transformed point
Parameters: point the input point to be transformed.
Parameters: normal the input normal to be transformed. normalOut the transformed normal
Parameters: normal the input normal to be transformed.
Parameters: m1 the matrix to be transposed