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SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectjavax.vecmath.Matrix4f
public class Matrix4f
A single precision floating point 4 by 4 matrix.
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()
Constructs and initializes a Matrix4f to all zeros. |
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Matrix4f(float[] v)
Constructs and initializes a Matrix4f from the specified 16 element array. |
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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. |
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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. |
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Matrix4f(Matrix4d m1)
Constructs a new matrix with the same values as the Matrix4d parameter. |
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Matrix4f(Matrix4f m1)
Constructs a new matrix with the same values as the Matrix4f parameter. |
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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. |
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)
Sets the value of this matrix to sum of itself and matrix m1. |
void |
add(Matrix4f m1,
Matrix4f m2)
Sets the value of this matrix to the matrix sum of matrices m1 and m2. |
java.lang.Object |
clone()
|
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(java.lang.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,
float[] v)
Copies the matrix values in the specified column into the array parameter. |
void |
getColumn(int column,
Vector4f v)
Copies the matrix values in the specified column into the vector parameter. |
float |
getElement(int row,
int column)
Retrieves the value at the specified row and column of this matrix. |
java.util.List<java.lang.Float> |
getElements()
Puts all elements of the matrix in a list of size 16. |
void |
getRotationScale(Matrix3f m1)
Gets the upper 3x3 values of this matrix and places them into the matrix m1. |
void |
getRow(int row,
float[] v)
Copies the matrix values in the specified row into the array parameter. |
void |
getRow(int row,
Vector4f v)
Copies the matrix values in the specified row into the vector 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()
Sets the value of this matrix to its inverse. |
void |
invert(Matrix4f m1)
Sets the value of this matrix to the matrix inverse of the passed matrix m1. |
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(AxisAngle4d a1)
Sets the value of this matrix to the matrix conversion of the single precision axis and angle 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(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(java.lang.Float[] m)
|
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(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(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 |
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(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(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(Quat4d q1)
Sets the value of this matrix to the matrix conversion of the (double precision) quaternion 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)
Sets the value of this matrix to the matrix conversion of the single precision quaternion argument. |
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(Vector3f v1)
Sets the value of this matrix to a translate matrix by the passed translation value. |
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 |
setColumn(int column,
float[] v)
Sets the specified column of this matrix4f to the four values provided. |
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 |
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(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 |
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(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(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 |
setRotationScale(Matrix3f m1)
Replaces the upper 3x3 matrix values of this matrix with the values in the matrix m1. |
void |
setRow(int row,
float[] v)
Sets the specified row of this matrix4f to the four values provided. |
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 |
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)
Sets the value of this matrix to the matrix difference of itself and matrix m1 (this = this - m1). |
void |
sub(Matrix4f m1,
Matrix4f m2)
Sets the value of this matrix to the matrix difference of matrices m1 and m2. |
java.lang.String |
toString()
Returns a string that contains the values of this Matrix4f. |
void |
transform(Point3f point)
Transforms the point parameter with this Matrix4f and places the result back into point. |
void |
transform(Point3f point,
Point3f pointOut)
Transforms the point parameter with this Matrix4f and places the result into pointOut. |
void |
transform(Tuple4f vec)
Transform the vector vec using this Matrix4f and place the result back into vec. |
void |
transform(Tuple4f vec,
Tuple4f vecOut)
Transform the vector vec using this Matrix4f and place the result into vecOut. |
void |
transform(Vector3f normal)
Transforms the normal parameter by this transform and places the value back into normal. |
void |
transform(Vector3f normal,
Vector3f normalOut)
Transforms the normal parameter by this Matrix4f and places the value into normalOut. |
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 |
Methods inherited from class java.lang.Object |
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finalize, getClass, notify, notifyAll, wait, wait, wait |
Field Detail |
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public float m00
public float m01
public float m02
public float m03
public float m10
public float m11
public float m12
public float m13
public float m20
public float m21
public float m22
public float m23
public float m30
public float m31
public float m32
public float m33
Constructor Detail |
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public Matrix4f()
public Matrix4f(float[] v)
v
- the array of length 16 containing in orderpublic 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)
m00
- the [0][0] elementm01
- the [0][1] elementm02
- the [0][2] elementm03
- the [0][3] elementm10
- the [1][0] elementm11
- the [1][1] elementm12
- the [1][2] elementm13
- the [1][3] elementm20
- the [2][0] elementm21
- the [2][1] elementm22
- the [2][2] elementm23
- the [2][3] elementm30
- the [3][0] elementm31
- the [3][1] elementm32
- the [3][2] elementm33
- the [3][3] elementpublic Matrix4f(Matrix3f m1, Vector3f t1, float s)
m1
- The rotation matrix representing the rotational componentst1
- The translational components of the matrixs
- The scale value applied to the rotational componentspublic Matrix4f(Matrix4d m1)
m1
- The source matrix.public Matrix4f(Matrix4f m1)
m1
- The source matrix.public Matrix4f(Quat4f q1, Vector3f t1, float s)
q1
- The quaternion value representing the rotational componentt1
- The translational component of the matrixs
- The scale value applied to the rotational componentsMethod Detail |
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public final void add(float scalar)
scalar
- The scalar adder.public final void add(float scalar, Matrix4f m1)
scalar
- The scalar adder.public final void add(Matrix4f m1)
m1
- the other matrixpublic final void add(Matrix4f m1, Matrix4f m2)
m1
- the first matrixm2
- the second matrixpublic java.lang.Object clone()
clone
in class java.lang.Object
public final float determinant()
public boolean epsilonEquals(Matrix4f m1, float epsilon)
m1
- The matrix to be compared to this matrixepsilon
- the threshold valuepublic boolean equals(Matrix4f m1)
m1
- The matrix with which the comparison is made.
public boolean equals(java.lang.Object o1)
equals
in class java.lang.Object
o1
- the object with which the comparison is made.public final void get(Matrix3d m1)
m1
- matrix into which the rotational component is placedpublic final void get(Matrix3f m1)
m1
- matrix into which the rotational component is placedpublic final float get(Matrix3f m1, Vector3f t1)
m1
- The normalized matrix representing the rotationt1
- The translation component
public final void get(Quat4f q1)
q1
- quaternion into which the rotation component is placedpublic final void get(Vector3f trans)
trans
- the vector that will receive the translational componentpublic final void getColumn(int column, float[] v)
column
- the matrix columnv
- The array into which the matrix column values will be copiedpublic final void getColumn(int column, Vector4f v)
column
- the matrix columnv
- The vector into which the matrix column values will be copiedpublic final float getElement(int row, int column)
row
- the row number to be retrieved (zero indexed)column
- the column number to be retrieved (zero indexed)
public final java.util.List<java.lang.Float> getElements()
public final void getRotationScale(Matrix3f m1)
m1
- The matrix that will hold the valuespublic final void getRow(int row, float[] v)
row
- the matrix rowv
- The array into which the matrix row values will be copiedpublic final void getRow(int row, Vector4f v)
row
- the matrix rowv
- The vector into which the matrix row values will be copiedpublic final float getScale()
public int hashCode()
hashCode
in class java.lang.Object
public final void invert()
public final void invert(Matrix4f m1)
m1
- the matrix to be invertedpublic final void mul(float scalar)
scalar
- The scalar multiplier.public final void mul(float scalar, Matrix4f m1)
scalar
- The scalar multiplier.m1
- The original matrix.public final void mul(Matrix4f m1)
m1
- the other matrixpublic final void mul(Matrix4f m1, Matrix4f m2)
m1
- the first matrixm2
- the second matrixpublic final void mulTransposeBoth(Matrix4f m1, Matrix4f m2)
m1
- The matrix on the left hand side of the multiplicationm2
- The matrix on the right hand side of the multiplicationpublic final void mulTransposeLeft(Matrix4f m1, Matrix4f m2)
m1
- The matrix on the left hand side of the multiplicationm2
- The matrix on the right hand side of the multiplicationpublic final void mulTransposeRight(Matrix4f m1, Matrix4f m2)
m1
- The matrix on the left hand side of the multiplicationm2
- The matrix on the right hand side of the multiplicationpublic final void negate()
public final void negate(Matrix4f m1)
m1
- The source matrixpublic final void rotX(float angle)
angle
- the angle to rotate about the X axis in radianspublic final void rotY(float angle)
angle
- the angle to rotate about the Y axis in radianspublic final void rotZ(float angle)
angle
- the angle to rotate about the Z axis in radianspublic final void set(AxisAngle4d a1)
a1
- the axis and angle to be convertedpublic final void set(AxisAngle4f a1)
a1
- the axis and angle to be convertedpublic final void set(float scale)
scale
- the scale factor for the matrixpublic final void set(float[] m)
public final void set(java.lang.Float[] m)
public final void set(float scale, Vector3f v1)
scale
- the scale factor for the matrixv1
- the translation amountpublic final void set(Matrix3d m1)
m1
- the 3x3 matrixpublic final void set(Matrix3d m1, Vector3d t1, double scale)
m1
- The rotation componentt1
- The translation componentscale
- The scale componentpublic final void set(Matrix3f m1)
m1
- the 3x3 matrixpublic final void set(Matrix3f m1, Vector3f t1, float scale)
m1
- The rotation componentt1
- The translation componentscale
- The scale componentpublic final void set(Matrix4d m1)
m1
- the matrix to be copiedpublic final void set(Matrix4f m1)
m1
- the matrix to be copiedpublic final void set(Quat4d q1)
q1
- the quaternion to be convertedpublic final void set(Quat4d q1, Vector3d t1, double s)
q1
- the rotation expressed as a quaterniont1
- the translations
- the scale valuepublic final void set(Quat4f q1)
q1
- the quaternion to be convertedpublic final void set(Quat4f q1, Vector3f t1, float s)
q1
- the rotation expressed as a quaterniont1
- the translations
- the scale valuepublic final void set(Vector3f v1)
v1
- the translation amountpublic final void set(Vector3f v1, float scale)
v1
- the translation amountscale
- the scale factor for the matrixpublic final void setColumn(int column, float[] v)
column
- the column number to be modified (zero indexed)v
- the replacement columnpublic final void setColumn(int column, float x, float y, float z, float w)
column
- the column number to be modified (zero indexed)x
- the first row elementy
- the second row elementz
- the third row elementw
- the fourth row elementpublic final void setColumn(int column, Vector4f v)
column
- the column number to be modified (zero indexed)v
- the replacement columnpublic final void setElement(int row, int column, float value)
row
- the row number to be modified (zero indexed)column
- the column number to be modified (zero indexed)value
- the new valuepublic final void setIdentity()
public final void setRotation(AxisAngle4f a1)
a1
- the axis-angle to be converted (x, y, z, angle)public final void setRotation(Matrix3d m1)
m1
- single precision 3x3 matrixpublic final void setRotation(Matrix3f m1)
m1
- single precision 3x3 matrixpublic final void setRotation(Quat4d q1)
q1
- the quaternion that specifies the rotationpublic final void setRotation(Quat4f q1)
q1
- the quaternion that specifies the rotationpublic final void setRotationScale(Matrix3f m1)
m1
- The matrix that will be the new upper 3x3public final void setRow(int row, float[] v)
row
- the row number to be modified (zero indexed)v
- the replacement rowpublic final void setRow(int row, float x, float y, float z, float w)
row
- the row number to be modified (zero indexed)x
- the first column elementy
- the second column elementz
- the third column elementw
- the fourth column elementpublic final void setRow(int row, Vector4f v)
row
- the row number to be modified (zero indexed)v
- the replacement rowpublic final void setScale(float scale)
scale
- the new scale amountpublic void setTranslation(Vector3f trans)
trans
- the translational componentpublic final void setZero()
public final void sub(Matrix4f m1)
m1
- the other matrixpublic final void sub(Matrix4f m1, Matrix4f m2)
m1
- the first matrixm2
- the second matrixpublic java.lang.String toString()
toString
in class java.lang.Object
public final void transform(Point3f point)
point
- the input point to be transformed.public final void transform(Point3f point, Point3f pointOut)
point
- the input point to be transformed.pointOut
- the transformed pointpublic final void transform(Tuple4f vec)
vec
- the single precision vector to be transformedpublic final void transform(Tuple4f vec, Tuple4f vecOut)
vec
- the single precision vector to be transformedvecOut
- the vector into which the transformed values are placedpublic final void transform(Vector3f normal)
normal
- the input normal to be transformed.public final void transform(Vector3f normal, Vector3f normalOut)
normal
- the input normal to be transformed.normalOut
- the transformed normalpublic final void transpose()
public final void transpose(Matrix4f m1)
m1
- the matrix to be transposed
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