Package org.lwjgl.util.glu

Class Util

java.lang.Object
org.lwjgl.util.glu.Util
Direct Known Subclasses:
MipMap, Project, Registry
public class Util extends Object
Util.java

Created 7-jan-2004

Author:
Erik Duijs

  • Constructor Summary

    Constructors
    Constructor
    Description
    Util()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    protected static int
    bytesPerPixel(int format, int type)
    Method bytesPerPixel.
    protected static int
    ceil(int a, int b)
    Return ceiling of integer division
    protected static int
    compPerPix(int format)
    Method compPerPix.
    protected static void
    cross(float[] v1, float[] v2, float[] result)
    Calculate cross-product
    protected static int
    glGetIntegerv(int what)
    Convenience method for returning an int, rather than getting it out of a buffer yourself.
    protected static int
    nearestPower(int value)
    Method nearestPower.
    protected static float[]
    normalize(float[] v)
    Normalize vector

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • Util

      public Util()

  • Method Details

    • ceil

      protected static int ceil(int a, int b)
      Return ceiling of integer division
      Parameters:
      a -
      b -
      Returns:
      int

    • normalize

      protected static float[] normalize(float[] v)
      Normalize vector
      Parameters:
      v -
      Returns:
      float[]

    • cross

      protected static void cross(float[] v1, float[] v2, float[] result)
      Calculate cross-product
      Parameters:
      v1 -
      v2 -
      result -

    • compPerPix

      protected static int compPerPix(int format)
      Method compPerPix.
      Parameters:
      format -
      Returns:
      int

    • nearestPower

      protected static int nearestPower(int value)
      Method nearestPower.

      Compute the nearest power of 2 number. This algorithm is a little strange, but it works quite well.

      Parameters:
      value -
      Returns:
      int

    • bytesPerPixel

      protected static int bytesPerPixel(int format, int type)
      Method bytesPerPixel.
      Parameters:
      format -
      type -
      Returns:
      int

    • glGetIntegerv

      protected static int glGetIntegerv(int what)
      Convenience method for returning an int, rather than getting it out of a buffer yourself.
      Parameters:
      what -
      Returns:
      int