Class Matrix3f

java.lang.Object
org.lwjgl.util.vector.Matrix
org.lwjgl.util.vector.Matrix3f
All Implemented Interfaces:
Serializable

public class Matrix3f extends Matrix implements Serializable
Holds a 3x3 matrix.
Version:
$Revision$ $Id$
Author:
cix_foo <cix_foo@users.sourceforge.net>
See Also:
  • Field Details

    • 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 Details

    • Matrix3f

      public Matrix3f()
      Constructor for Matrix3f. Matrix is initialised to the identity.
  • Method Details

    • 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(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(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(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(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 String toString()
      Returns a string representation of this matrix
      Overrides:
      toString in class 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