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## org.lwjgl.util.vector
Class Matrix3f

    java.lang.Object
      org.lwjgl.util.vector.Matrix
          org.lwjgl.util.vector.Matrix3f

All Implemented Interfaces:
  java.io.Serializable

    public class Matrix3f

extends Matrix
implements java.io.Serializable

Holds a 3x3 matrix.

Version:
  $Revision: 2376 $ $Id: Matrix3f.java 2376 2006-06-16 12:44:53 +0000 (fr, 16 jun 2006) elias_naur $
Author:
  cix_foo
See Also:
  Serialized Form

Field Summary
`float` | `m00`
`float` | `m01`
`float` | `m02`
`float` | `m10`
`float` | `m11`
`float` | `m12`
`float` | `m20`
`float` | `m21`
`float` | `m22`

Constructor Summary
`Matrix3f()` Constructor for Matrix3f.

Method Summary
`static Matrix3f` | `add(Matrix3f left, Matrix3f right, Matrix3f dest)` Add two matrices together and place the result in a third matrix.
`float` | `determinant()`
`Matrix` | `invert()` Invert this matrix
`static Matrix3f` | `invert(Matrix3f src, Matrix3f dest)` Invert the source matrix and put the result into the destination matrix
`Matrix` | `load(java.nio.FloatBuffer buf)` Load from a float buffer.
`Matrix3f` | `load(Matrix3f src)` Load from another matrix
`static Matrix3f` | `load(Matrix3f src, Matrix3f dest)` Copy source matrix to destination matrix
`Matrix` | `loadTranspose(java.nio.FloatBuffer buf)` Load from a float buffer.
`static Matrix3f` | `mul(Matrix3f left, Matrix3f right, Matrix3f dest)` Multiply the right matrix by the left and place the result in a third matrix.
`Matrix` | `negate()` Negate this matrix
`Matrix3f` | `negate(Matrix3f dest)` Negate this matrix and place the result in a destination matrix.
`static Matrix3f` | `negate(Matrix3f src, Matrix3f dest)` Negate the source matrix and place the result in the destination matrix.
`Matrix` | `setIdentity()` Set this matrix to be the identity matrix.
`static Matrix3f` | `setIdentity(Matrix3f m)` Set the matrix to be the identity matrix.
`Matrix` | `setZero()` Set this matrix to 0.
`static Matrix3f` | `setZero(Matrix3f m)` Set the matrix matrix to 0.
`Matrix` | `store(java.nio.FloatBuffer buf)` Store this matrix in a float buffer.
`Matrix` | `storeTranspose(java.nio.FloatBuffer buf)` Store this matrix in a float buffer.
`static Matrix3f` | `sub(Matrix3f left, Matrix3f right, Matrix3f dest)` Subtract the right matrix from the left and place the result in a third matrix.
`java.lang.String` | `toString()` Returns a string representation of this matrix
`static Vector3f` | `transform(Matrix3f left, Vector3f right, Vector3f dest)` Transform a Vector by a matrix and return the result in a destination vector.
`Matrix` | `transpose()` Transpose this matrix
`Matrix3f` | `transpose(Matrix3f dest)` Transpose this matrix and place the result in another matrix
`static Matrix3f` | `transpose(Matrix3f src, Matrix3f dest)` Transpose the source matrix and place the result into the destination matrix

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Field Detail

### m00

    public float m00

### m01

    public float m01

### m02

    public float m02

### m10

    public float m10

### m11

    public float m11

### m12

    public float m12

### m20

    public float m20

### m21

    public float m21

### m22

    public float m22

Constructor Detail

### Matrix3f

    public Matrix3f()

  Constructor for Matrix3f. Matrix is initialised to the identity.

Method Detail

### load

    public Matrix3f load(Matrix3f src)

  Load from another matrix

  Parameters:
    `src` - The source matrix
  Returns:
    this

### load

    public static Matrix3f load(Matrix3f src,
                                Matrix3f dest)

  Copy source matrix to destination matrix

  Parameters:
    `src` - The source matrix
    `dest` - The destination matrix, or null of a new matrix is to be created
  Returns:
    The copied matrix

### load

    public Matrix load(java.nio.FloatBuffer buf)

  Load from a float buffer. The buffer stores the matrix in column major (OpenGL) order.

  Specified by:
    `load` in class `Matrix`
  Parameters:
    `buf` - A float buffer to read from
  Returns:
    this

### loadTranspose

    public Matrix loadTranspose(java.nio.FloatBuffer buf)

  Load from a float buffer. The buffer stores the matrix in row major (maths) order.

  Specified by:
    `loadTranspose` in class `Matrix`
  Parameters:
    `buf` - A float buffer to read from
  Returns:
    this

### store

    public Matrix store(java.nio.FloatBuffer buf)

  Store this matrix in a float buffer. The matrix is stored in column major (openGL) order.

  Specified by:
    `store` in class `Matrix`
  Parameters:
    `buf` - The buffer to store this matrix in
  Returns:
    this

### storeTranspose

    public Matrix storeTranspose(java.nio.FloatBuffer buf)

  Store this matrix in a float buffer. The matrix is stored in row major (maths) order.

  Specified by:
    `storeTranspose` in class `Matrix`
  Parameters:
    `buf` - The buffer to store this matrix in
  Returns:
    this

### add

    public static Matrix3f add(Matrix3f left,
                               Matrix3f right,
                               Matrix3f dest)

  Add two matrices together and place the result in a third matrix.

  Parameters:
    `left` - The left source matrix
    `right` - The right source matrix
    `dest` - The destination matrix, or null if a new one is to be created
  Returns:
    the destination matrix

### sub

    public static Matrix3f sub(Matrix3f left,
                               Matrix3f right,
                               Matrix3f dest)

  Subtract the right matrix from the left and place the result in a third matrix.

  Parameters:
    `left` - The left source matrix
    `right` - The right source matrix
    `dest` - The destination matrix, or null if a new one is to be created
  Returns:
    the destination matrix

### mul

    public static Matrix3f mul(Matrix3f left,
                               Matrix3f right,
                               Matrix3f dest)

  Multiply the right matrix by the left and place the result in a third matrix.

  Parameters:
    `left` - The left source matrix
    `right` - The right source matrix
    `dest` - The destination matrix, or null if a new one is to be created
  Returns:
    the destination matrix

### transform

    public static Vector3f transform(Matrix3f left,
                                     Vector3f right,
                                     Vector3f dest)

  Transform a Vector by a matrix and return the result in a destination vector.

  Parameters:
    `left` - The left matrix
    `right` - The right vector
    `dest` - The destination vector, or null if a new one is to be created
  Returns:
    the destination vector

### transpose

    public Matrix transpose()

  Transpose this matrix

  Specified by:
    `transpose` in class `Matrix`
  Returns:
    this

### transpose

    public Matrix3f transpose(Matrix3f dest)

  Transpose this matrix and place the result in another matrix

  Parameters:
    `dest` - The destination matrix or null if a new matrix is to be created
  Returns:
    the transposed matrix

### transpose

    public static Matrix3f transpose(Matrix3f src,
                                     Matrix3f dest)

  Transpose the source matrix and place the result into the destination matrix

  Parameters:
    `src` - The source matrix to be transposed
    `dest` - The destination matrix or null if a new matrix is to be created
  Returns:
    the transposed matrix

### determinant

    public float determinant()

  Specified by:
    `determinant` in class `Matrix`
  Returns:
    the determinant of the matrix

### toString

    public java.lang.String toString()

  Returns a string representation of this matrix

  Overrides:
    `toString` in class `java.lang.Object`

### invert

    public Matrix invert()

  Invert this matrix

  Specified by:
    `invert` in class `Matrix`
  Returns:
    this if successful, null otherwise

### invert

    public static Matrix3f invert(Matrix3f src,
                                  Matrix3f dest)

  Invert the source matrix and put the result into the destination matrix

  Parameters:
    `src` - The source matrix to be inverted
    `dest` - The destination matrix, or null if a new one is to be created
  Returns:
    The inverted matrix if successful, null otherwise

### negate

    public Matrix negate()

  Negate this matrix

  Specified by:
    `negate` in class `Matrix`
  Returns:
    this

### negate

    public Matrix3f negate(Matrix3f dest)

  Negate this matrix and place the result in a destination matrix.

  Parameters:
    `dest` - The destination matrix, or null if a new matrix is to be created
  Returns:
    the negated matrix

### negate

    public static Matrix3f negate(Matrix3f src,
                                  Matrix3f dest)

  Negate the source matrix and place the result in the destination matrix.

  Parameters:
    `src` - The source matrix
    `dest` - The destination matrix, or null if a new matrix is to be created
  Returns:
    the negated matrix

### setIdentity

    public Matrix setIdentity()

  Set this matrix to be the identity matrix.

  Specified by:
    `setIdentity` in class `Matrix`
  Returns:
    this

### setIdentity

    public static Matrix3f setIdentity(Matrix3f m)

  Set the matrix to be the identity matrix.

  Parameters:
    `m` - The matrix to be set to the identity
  Returns:
    m

### setZero

    public Matrix setZero()

  Set this matrix to 0.

  Specified by:
    `setZero` in class `Matrix`
  Returns:
    this

### setZero

    public static Matrix3f setZero(Matrix3f m)

  Set the matrix matrix to 0.

  Parameters:
    `m` - The matrix to be set to 0
  Returns:
    m

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