Class Matrix2f

java.lang.Object
org.lwjgl.util.vector.Matrix
org.lwjgl.util.vector.Matrix2f
All Implemented Interfaces:
Serializable

public class Matrix2f extends Matrix implements Serializable
Holds a 2x2 matrix
Version:
$Revision$ $Id$
Author:
cix_foo invalid input: '<'cix_foo@users.sourceforge.net>
See Also:
  • Field Details

    • m00

      public float m00
    • m01

      public float m01
    • m10

      public float m10
    • m11

      public float m11
  • Constructor Details

    • Matrix2f

      public Matrix2f()
      Constructor for Matrix2f. The matrix is initialised to the identity.
    • Matrix2f

      public Matrix2f(Matrix2f src)
      Constructor
  • Method Details

    • load

      public Matrix2f load(Matrix2f src)
      Load from another matrix
      Parameters:
      src - The source matrix
      Returns:
      this
    • load

      public static Matrix2f load(Matrix2f src, Matrix2f dest)
      Copy the source matrix to the destination matrix.
      Parameters:
      src - The source matrix
      dest - The destination matrix, or null if a new one should 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 (mathematical) 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 Matrix2f add(Matrix2f left, Matrix2f right, Matrix2f 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 Matrix2f sub(Matrix2f left, Matrix2f right, Matrix2f 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 Matrix2f mul(Matrix2f left, Matrix2f right, Matrix2f 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 Vector2f transform(Matrix2f left, Vector2f right, Vector2f 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 Matrix2f transpose(Matrix2f 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 Matrix2f transpose(Matrix2f src, Matrix2f dest)
      Transpose the source matrix and place the result in the destination matrix.
      Parameters:
      src - The source matrix or null if a new matrix is to be created
      dest - The destination matrix or null if a new matrix is to be created
      Returns:
      the transposed matrix
    • invert

      public Matrix invert()
      Invert this matrix
      Specified by:
      invert in class Matrix
      Returns:
      this if successful, null otherwise
    • invert

      public static Matrix2f invert(Matrix2f src, Matrix2f dest)
      Invert the source matrix and place the result in the destination matrix.
      Parameters:
      src - The source matrix to be inverted
      dest - The destination matrix or null if a new matrix is to be created
      Returns:
      The inverted matrix, or null if source can't be reverted.
    • toString

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

      public Matrix negate()
      Negate this matrix
      Specified by:
      negate in class Matrix
      Returns:
      this
    • negate

      public Matrix2f negate(Matrix2f dest)
      Negate this matrix and stash the result in another matrix.
      Parameters:
      dest - The destination matrix, or null if a new matrix is to be created
      Returns:
      the negated matrix
    • negate

      public static Matrix2f negate(Matrix2f src, Matrix2f dest)
      Negate the source matrix and stash the result in the destination matrix.
      Parameters:
      src - The source matrix to be negated
      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 Matrix2f setIdentity(Matrix2f src)
      Set the source matrix to be the identity matrix.
      Parameters:
      src - The matrix to set to the identity.
      Returns:
      The source matrix
    • setZero

      public Matrix setZero()
      Set this matrix to 0.
      Specified by:
      setZero in class Matrix
      Returns:
      this
    • setZero

      public static Matrix2f setZero(Matrix2f src)
    • determinant

      public float determinant()
      Specified by:
      determinant in class Matrix
      Returns:
      the determinant of the matrix